/* ============================================================
   Enterprise DMS — Main Stylesheet
   Ideal Power Contracts Pvt. Ltd.
   Modern Glassmorphism Design System
   ============================================================ */

/* ── CSS Variables ──────────────────────────────────────────── */
:root {
  /* Brand — indigo system */
  --primary:          #6366f1;
  --primary-dark:     #4f46e5;
  --primary-light:    #eef2ff;
  --primary-glow:     rgba(99,102,241,0.22);
  --secondary:        #818cf8;
  --accent:           #06b6d4;
  --success:          #10b981;
  --success-light:    #d1fae5;
  --danger:           #ef4444;
  --danger-light:     #fee2e2;
  --warning:          #f59e0b;
  --warning-light:    #fef3c7;
  --info:             #3b82f6;
  --info-light:       #dbeafe;
  --purple:           #8b5cf6;
  --pink:             #ec4899;
  --teal:             #14b8a6;

  /* Light mode surfaces */
  --bg:               #f1f5f9;
  --bg-card:          #ffffff;
  --bg-elevated:      #ffffff;
  --bg-sidebar:       #1e1e2e;   /* kept dark for views that use it as code/accent bg */
  --sidebar-bg:       #ffffff;   /* actual sidebar panel surface */
  --text:             #0f172a;
  --text-muted:       #64748b;
  --text-light:       #94a3b8;
  --border:           #e2e8f0;
  --border-dark:      #cbd5e1;

  /* Sidebar */
  --sidebar-width:        260px;
  --sidebar-collapsed:    72px;
  --sidebar-text:         #475569;
  --sidebar-text-active:  #6366f1;
  --sidebar-icon:         #94a3b8;
  --sidebar-hover-bg:     #f8fafc;
  --sidebar-active-bg:    #eef2ff;
  --sidebar-border:       #e2e8f0;

  /* Radius */
  --radius-sm:  6px;
  --radius:     10px;
  --radius-lg:  14px;
  --radius-xl:  20px;
  --radius-2xl: 28px;

  /* Shadows */
  --shadow-xs:  0 1px 2px rgba(0,0,0,.05);
  --shadow:     0 1px 4px rgba(0,0,0,.06), 0 4px 16px rgba(0,0,0,.05);
  --shadow-md:  0 4px 20px rgba(0,0,0,.10), 0 1px 4px rgba(0,0,0,.05);
  --shadow-lg:  0 12px 40px rgba(0,0,0,.14), 0 2px 8px rgba(0,0,0,.07);
  --shadow-xl:  0 24px 64px rgba(0,0,0,.18);
  --shadow-primary:    0 4px 16px rgba(99,102,241,.30);
  --shadow-primary-lg: 0 8px 28px rgba(99,102,241,.40);

  /* Glass */
  --glass-bg:     rgba(255,255,255,0.78);
  --glass-border: rgba(255,255,255,0.55);
  --glass-blur:   blur(24px);

  /* Transitions */
  --transition:        all 0.22s cubic-bezier(.4,0,.2,1);
  --transition-slow:   all 0.40s cubic-bezier(.4,0,.2,1);
  --transition-spring: all 0.35s cubic-bezier(.34,1.56,.64,1);
}

/* ── Dark mode ──────────────────────────────────────────────── */
[data-theme="dark"] {
  --bg:               #0b0d14;
  --bg-card:          #161929;
  --bg-elevated:      #1d2035;
  --bg-sidebar:       #0d0f1a;
  --sidebar-bg:       #111420;
  --text:             #e2e8f0;
  --text-muted:       #8892b0;
  --text-light:       #506080;
  --border:           #252840;
  --border-dark:      #313560;
  --primary-light:    #1e1b4b;
  --success-light:    #064e3b;
  --danger-light:     #450a0a;
  --warning-light:    #451a03;
  --info-light:       #1e3a5f;
  --sidebar-text:         #8892b0;
  --sidebar-text-active:  #a5b4fc;
  --sidebar-icon:         #506080;
  --sidebar-hover-bg:     #1d2035;
  --sidebar-active-bg:    #1e1b4b;
  --sidebar-border:       #252840;
  --glass-bg:     rgba(17,20,32,0.82);
  --glass-border: rgba(255,255,255,0.07);
  --shadow:     0 1px 4px rgba(0,0,0,.25), 0 4px 16px rgba(0,0,0,.20);
  --shadow-md:  0 4px 20px rgba(0,0,0,.35);
  --shadow-lg:  0 12px 40px rgba(0,0,0,.45);
}

/* ── Reset / Base ────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  font-size: 14px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  transition: background .3s, color .3s;
}

a { color: var(--primary); text-decoration: none; transition: color .2s; }
a:hover { color: var(--primary-dark); }

/* ── Layout ─────────────────────────────────────────────────── */
.wrapper { display: flex; min-height: 100vh; }

/* ── Keyframe Animations ─────────────────────────────────────── */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-10px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes scaleIn {
  from { opacity: 0; transform: scale(.92); }
  to   { opacity: 1; transform: scale(1); }
}
@keyframes slideInRight {
  from { opacity: 0; transform: translateX(24px); }
  to   { opacity: 1; transform: translateX(0); }
}
@keyframes slideInLeft {
  from { opacity: 0; transform: translateX(-24px); }
  to   { opacity: 1; transform: translateX(0); }
}
@keyframes skeletonShimmer {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}
@keyframes toastIn {
  from { opacity: 0; transform: translateX(110%); }
  to   { opacity: 1; transform: translateX(0); }
}
@keyframes toastOut {
  from { opacity: 1; transform: translateX(0); max-height: 80px; }
  to   { opacity: 0; transform: translateX(110%); max-height: 0; margin-bottom: 0; }
}
@keyframes ctxFadeIn {
  from { opacity: 0; transform: scale(.94) translateY(-4px); }
  to   { opacity: 1; transform: scale(1) translateY(0); }
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: .5; }
}
@keyframes ripple {
  to { transform: scale(4); opacity: 0; }
}
@keyframes spin {
  to { transform: rotate(360deg); }
}
@keyframes progressBar {
  from { width: 100%; }
  to   { width: 0%; }
}

.fade-in    { animation: fadeInUp .32s ease forwards; }
.fade-in-d  { animation: fadeInUp .32s ease .08s both; }
.scale-in   { animation: scaleIn .25s ease forwards; }
.pulse      { animation: pulse 2s infinite; }

/* ── Page content entrance ──────────────────────────────────── */
#main-content > * {
  animation: fadeInUp .30s cubic-bezier(.4,0,.2,1) both;
}

/* ── Sidebar ─────────────────────────────────────────────────── */
#sidebar {
  width: var(--sidebar-width);
  background: var(--sidebar-bg);
  border-right: 1px solid var(--sidebar-border);
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 1040;
  display: flex;
  flex-direction: column;
  transition: width 0.28s cubic-bezier(.4,0,.2,1);
  overflow: hidden;
  box-shadow: 4px 0 20px rgba(0,0,0,.04);
}

[data-theme="dark"] #sidebar {
  box-shadow: 4px 0 24px rgba(0,0,0,.30);
}

#sidebar.collapsed { width: var(--sidebar-collapsed); }

/* Brand */
.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 18px 16px;
  border-bottom: 1px solid var(--sidebar-border);
  min-height: 68px;
}

.sidebar-brand .brand-logo {
  width: 38px; height: 38px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  border-radius: 11px;
  display: flex; align-items: center; justify-content: center;
  color: #fff;
  font-size: 17px;
  flex-shrink: 0;
  box-shadow: var(--shadow-primary);
  transition: var(--transition-spring);
}
.sidebar-brand .brand-logo:hover { transform: scale(1.08); }

.sidebar-brand .brand-text { overflow: hidden; }
.sidebar-brand .brand-name {
  color: var(--text);
  font-weight: 700;
  font-size: 14.5px;
  white-space: nowrap;
  letter-spacing: -.2px;
}
.sidebar-brand .brand-sub {
  color: var(--text-light);
  font-size: 10.5px;
  white-space: nowrap;
  font-weight: 500;
  letter-spacing: .5px;
  text-transform: uppercase;
}

/* Sidebar scroll area */
.sidebar-scroll {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 8px 0 12px;
}
.sidebar-scroll::-webkit-scrollbar { width: 3px; }
.sidebar-scroll::-webkit-scrollbar-thumb { background: var(--border-dark); border-radius: 2px; }

/* Section labels */
.sidebar-label {
  color: var(--text-light);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1.4px;
  text-transform: uppercase;
  padding: 16px 18px 5px;
  white-space: nowrap;
  overflow: hidden;
  transition: var(--transition);
}
.collapsed .sidebar-label { opacity: 0; height: 0; padding: 0; overflow: hidden; }

/* Nav items */
.sidebar-nav { list-style: none; margin: 0; padding: 0 8px; }
.sidebar-nav .nav-item { margin: 1px 0; }

.sidebar-nav .nav-link {
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 9px 11px;
  color: var(--sidebar-text);
  border-radius: var(--radius);
  font-size: 13.5px;
  font-weight: 450;
  transition: var(--transition);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
  cursor: pointer;
}

.sidebar-nav .nav-link:hover {
  background: var(--sidebar-hover-bg);
  color: var(--text);
}

.sidebar-nav .nav-link.active {
  background: var(--sidebar-active-bg);
  color: var(--primary);
  font-weight: 600;
}
.sidebar-nav .nav-link.active::before {
  content: '';
  position: absolute;
  left: 0; top: 25%; bottom: 25%;
  width: 3px;
  background: var(--primary);
  border-radius: 0 3px 3px 0;
}

.sidebar-nav .nav-link .nav-icon {
  width: 20px;
  text-align: center;
  font-size: 14px;
  flex-shrink: 0;
  color: var(--sidebar-icon);
  transition: color 0.2s;
}
.sidebar-nav .nav-link:hover .nav-icon { color: var(--text-muted); }
.sidebar-nav .nav-link.active .nav-icon { color: var(--primary); }

.sidebar-nav .nav-link .nav-text {
  flex: 1;
  opacity: 1;
  transition: opacity .18s;
}
.collapsed .sidebar-nav .nav-link .nav-text { opacity: 0; width: 0; overflow: hidden; }

.sidebar-nav .nav-link .badge-count {
  background: var(--danger);
  color: #fff;
  font-size: 10px;
  padding: 2px 6px;
  border-radius: 20px;
  min-width: 18px;
  text-align: center;
  flex-shrink: 0;
}
.collapsed .badge-count { display: none; }

/* Submenu */
.sidebar-nav .has-submenu > .nav-link::after {
  content: '\f105';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  font-size: 11px;
  color: var(--sidebar-icon);
  transition: transform .22s;
  flex-shrink: 0;
}
.sidebar-nav .has-submenu.open > .nav-link::after { transform: rotate(90deg); }

.submenu {
  list-style: none;
  margin: 2px 0 4px;
  padding: 0 0 0 31px;
  display: none;
}
.has-submenu.open .submenu { display: block; animation: fadeInUp .18s ease; }

.submenu .nav-link {
  padding: 7px 10px;
  font-size: 13px;
  font-weight: 400;
  color: var(--sidebar-text);
}
.submenu .nav-link::before {
  content: '';
  width: 5px; height: 5px;
  background: var(--border-dark);
  border-radius: 50%;
  flex-shrink: 0;
  transition: background .2s;
}
.submenu .nav-link.active::before,
.submenu .nav-link:hover::before { background: var(--primary); }

/* Sidebar user panel */
.sidebar-user {
  padding: 10px 12px;
  border-top: 1px solid var(--sidebar-border);
  display: flex;
  align-items: center;
  gap: 10px;
}
.sidebar-user img { border: 2px solid var(--border); }
.sidebar-user .user-info { overflow: hidden; }
.sidebar-user .user-name {
  color: var(--text);
  font-size: 13px;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.sidebar-user .user-role {
  color: var(--text-muted);
  font-size: 11px;
}
.collapsed .sidebar-user .user-info { display: none; }

/* ── Top Navbar ──────────────────────────────────────────────── */
#topnav {
  height: 64px;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid var(--border);
  position: fixed;
  top: 0;
  left: var(--sidebar-width);
  right: 0;
  z-index: 1030;
  display: flex;
  align-items: center;
  padding: 0 24px;
  gap: 14px;
  transition: left 0.28s cubic-bezier(.4,0,.2,1);
}
#topnav.sidebar-collapsed { left: var(--sidebar-collapsed); }

.topnav-toggle {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 17px;
  cursor: pointer;
  width: 44px; height: 44px;
  min-width: 44px; min-height: 44px;
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  transition: var(--transition);
  flex-shrink: 0;
}
.topnav-toggle:hover { background: var(--bg); color: var(--primary); }

/* Search */
.topnav-search {
  flex: 1;
  max-width: 500px;
  position: relative;
}
.topnav-search input {
  width: 100%;
  background: var(--bg);
  border: 1.5px solid var(--border);
  border-radius: 40px;
  padding: 8.5px 16px 8.5px 42px;
  font-size: 13.5px;
  color: var(--text);
  font-family: inherit;
  outline: none;
  transition: var(--transition);
}
.topnav-search input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px var(--primary-glow);
  background: var(--bg-card);
}
.topnav-search .search-icon {
  position: absolute;
  left: 15px; top: 50%;
  transform: translateY(-50%);
  color: var(--text-light);
  font-size: 13px;
  pointer-events: none;
  transition: color .2s;
}
.topnav-search input:focus ~ .search-icon { color: var(--primary); }
.topnav-search input::placeholder { color: var(--text-light); }

.topnav-right {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
}

.topnav-btn {
  position: relative;
  background: none;
  border: none;
  width: 44px; height: 44px;
  min-width: 44px; min-height: 44px;
  border-radius: 11px;
  display: flex; align-items: center; justify-content: center;
  color: var(--text-muted);
  font-size: 16px;
  cursor: pointer;
  transition: var(--transition);
  flex-shrink: 0;
}
.topnav-btn:hover { background: var(--bg); color: var(--primary); }

.topnav-btn .badge-dot {
  position: absolute;
  top: 8px; right: 8px;
  width: 8px; height: 8px;
  background: var(--danger);
  border-radius: 50%;
  border: 2px solid var(--glass-bg);
  animation: pulse 2s infinite;
}

/* ── Main Content ─────────────────────────────────────────────── */
#main-content {
  margin-left: var(--sidebar-width);
  margin-top: 64px;
  padding: 28px;
  min-height: calc(100vh - 64px);
  transition: margin-left 0.28s cubic-bezier(.4,0,.2,1);
}
#main-content.sidebar-collapsed { margin-left: var(--sidebar-collapsed); }

/* ── Page Header ──────────────────────────────────────────────── */
.page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 24px;
}

.page-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--text);
  margin: 0;
  letter-spacing: -.4px;
}

.page-subtitle {
  font-size: 13px;
  color: var(--text-muted);
  margin: 3px 0 0;
}

/* Breadcrumb */
.breadcrumb {
  background: none;
  padding: 0;
  margin: 4px 0 0;
  font-size: 12.5px;
}
.breadcrumb-item + .breadcrumb-item::before { color: var(--text-light); }
.breadcrumb-item.active { color: var(--text-muted); }
.breadcrumb-item a { color: var(--text-muted); }
.breadcrumb-item a:hover { color: var(--primary); }

/* ── Cards ────────────────────────────────────────────────────── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: var(--transition);
}
.card:hover { box-shadow: var(--shadow-md); }

.card-header {
  background: transparent;
  border-bottom: 1px solid var(--border);
  padding: 16px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  row-gap: 8px;
}

.card-title {
  font-weight: 600;
  font-size: 15px;
  color: var(--text);
  margin: 0;
  letter-spacing: -.2px;
}

.card-body { padding: 20px; }

/* Glass card variant */
.card-glass {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-color: var(--glass-border);
}

/* Stat cards */
.stat-card {
  padding: 22px;
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
  transition: var(--transition-spring);
}
.stat-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }

.stat-card .stat-icon {
  width: 54px; height: 54px;
  border-radius: 16px;
  display: flex; align-items: center; justify-content: center;
  font-size: 22px;
  margin-bottom: 16px;
}

.stat-card .stat-value {
  font-size: 30px;
  font-weight: 800;
  color: var(--text);
  line-height: 1;
  margin-bottom: 5px;
  letter-spacing: -.5px;
}

.stat-card .stat-label {
  font-size: 13px;
  color: var(--text-muted);
  font-weight: 500;
}

.stat-card .stat-change {
  font-size: 12px;
  font-weight: 600;
  margin-top: 8px;
  display: flex;
  align-items: center;
  gap: 4px;
}
.stat-change.up   { color: var(--success); }
.stat-change.down { color: var(--danger); }

.stat-card .stat-bg-icon {
  position: absolute;
  right: -12px; bottom: -12px;
  font-size: 90px;
  opacity: .05;
  line-height: 1;
  pointer-events: none;
}

.stat-blue   .stat-icon { background: rgba(99,102,241,.10);  color: var(--primary); }
.stat-green  .stat-icon { background: rgba(16,185,129,.10);  color: var(--success); }
.stat-red    .stat-icon { background: rgba(239,68,68,.10);   color: var(--danger); }
.stat-purple .stat-icon { background: rgba(139,92,246,.10);  color: var(--purple); }
.stat-cyan   .stat-icon { background: rgba(6,182,212,.10);   color: var(--accent); }
.stat-orange .stat-icon { background: rgba(245,158,11,.10);  color: var(--warning); }

/* ── Forms ────────────────────────────────────────────────────── */
.form-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 6px;
  display: block;
}
.form-label .required { color: var(--danger); }

.form-control, .form-select {
  background: var(--bg);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  padding: 9px 14px;
  font-size: 13.5px;
  font-family: inherit;
  transition: var(--transition);
  width: 100%;
}
.form-control:focus, .form-select:focus {
  background: var(--bg-card);
  border-color: var(--primary);
  box-shadow: 0 0 0 4px var(--primary-glow);
  color: var(--text);
  outline: none;
}

.form-control::placeholder { color: var(--text-light); }
textarea.form-control { resize: vertical; min-height: 100px; }

.input-group .form-control { border-radius: var(--radius) !important; }
.input-group-text {
  background: var(--bg);
  border-color: var(--border);
  color: var(--text-muted);
  font-size: 13.5px;
}

.form-text { font-size: 12px; color: var(--text-muted); margin-top: 4px; }

.form-check-input {
  width: 16px; height: 16px;
  border-radius: 4px;
  border: 1.5px solid var(--border-dark);
  background: var(--bg-card);
  cursor: pointer;
  transition: var(--transition);
  accent-color: var(--primary);
}
.form-check-input:focus { box-shadow: 0 0 0 3px var(--primary-glow); outline: none; }

/* ── Buttons ──────────────────────────────────────────────────── */
.btn {
  font-size: 13.5px;
  font-weight: 500;
  padding: 8.5px 18px;
  border-radius: var(--radius);
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 7px;
  border-width: 1.5px;
  border-style: solid;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  font-family: inherit;
  letter-spacing: .1px;
}

/* Ripple effect */
.btn .ripple-effect {
  position: absolute;
  border-radius: 50%;
  background: rgba(255,255,255,0.30);
  transform: scale(0);
  animation: ripple .55s linear;
  pointer-events: none;
}
[data-theme="dark"] .btn .ripple-effect { background: rgba(255,255,255,0.15); }

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  border-color: transparent;
  color: #fff;
  box-shadow: var(--shadow-primary);
}
.btn-primary:hover {
  background: linear-gradient(135deg, var(--primary-dark), #3730a3);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: var(--shadow-primary-lg);
}
.btn-primary:active { transform: translateY(0); }

.btn-secondary { background: var(--bg); border-color: var(--border); color: var(--text); }
.btn-secondary:hover { background: var(--border); color: var(--text); }

.btn-success { background: var(--success); border-color: var(--success); color: #fff; }
.btn-success:hover { background: #059669; border-color: #059669; color: #fff; transform: translateY(-1px); box-shadow: 0 4px 12px rgba(16,185,129,.35); }

.btn-danger { background: var(--danger); border-color: var(--danger); color: #fff; }
.btn-danger:hover { background: #dc2626; border-color: #dc2626; color: #fff; transform: translateY(-1px); box-shadow: 0 4px 12px rgba(239,68,68,.35); }

.btn-warning { background: var(--warning); border-color: var(--warning); color: #fff; }
.btn-warning:hover { color: #fff; transform: translateY(-1px); }

.btn-info { background: var(--info); border-color: var(--info); color: #fff; }
.btn-info:hover { color: #fff; transform: translateY(-1px); }

.btn-outline-primary {
  color: var(--primary);
  border-color: var(--primary);
  background: transparent;
}
.btn-outline-primary:hover {
  background: var(--primary);
  color: #fff;
}

.btn-outline-secondary {
  color: var(--text-muted);
  border-color: var(--border-dark);
  background: transparent;
}
.btn-outline-secondary:hover { background: var(--bg); color: var(--text); }
.btn-outline-secondary.active { background: var(--primary-light); border-color: var(--primary); color: var(--primary); }

.btn-outline-success { color: var(--success); border-color: var(--success); background: transparent; }
.btn-outline-success:hover { background: var(--success); color: #fff; }

.btn-outline-danger { color: var(--danger); border-color: var(--danger); background: transparent; }
.btn-outline-danger:hover { background: var(--danger); color: #fff; }

.btn-outline-warning { color: var(--warning); border-color: var(--warning); background: transparent; }
.btn-outline-warning:hover { background: var(--warning); color: #fff; }

.btn-outline-info { color: var(--info); border-color: var(--info); background: transparent; }
.btn-outline-info:hover { background: var(--info); color: #fff; }

.btn-outline-light { color: rgba(255,255,255,.75); border-color: rgba(255,255,255,.3); background: transparent; }
.btn-outline-light:hover { background: rgba(255,255,255,.15); color: #fff; }

.btn-link { background: none; border-color: transparent; color: var(--primary); padding-left: 4px; padding-right: 4px; }
.btn-link:hover { color: var(--primary-dark); background: none; }

.btn-sm { padding: 5.5px 12px; font-size: 12.5px; }
.btn-lg { padding: 12px 26px; font-size: 15px; }

.btn-icon {
  width: 36px; height: 36px;
  padding: 0;
  display: inline-flex;
  align-items: center; justify-content: center;
  border-radius: var(--radius);
}
.btn-icon.btn-sm { width: 30px; height: 30px; }

/* ── Tables ───────────────────────────────────────────────────── */
.table { color: var(--text); font-size: 13.5px; width: 100%; }
.table thead th {
  background: var(--bg);
  border-bottom: 1.5px solid var(--border);
  font-weight: 700;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .8px;
  color: var(--text-muted);
  padding: 11px 16px;
  white-space: nowrap;
}
.table tbody td {
  padding: 13px 16px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}
.table tbody tr:last-child td { border-bottom: 0; }
.table tbody tr:hover td { background: rgba(99,102,241,.025); }
.table-fixed { table-layout: fixed; }
.table-responsive { overflow-x: auto; -webkit-overflow-scrolling: touch; }

/* ── Badges ───────────────────────────────────────────────────── */
.badge {
  font-size: 11px;
  font-weight: 600;
  padding: 4px 9px;
  border-radius: 6px;
  letter-spacing: .2px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.badge.bg-primary { background: var(--primary-light); color: var(--primary); }
.badge.bg-success { background: var(--success-light); color: var(--success); }
.badge.bg-danger  { background: var(--danger-light);  color: var(--danger); }
.badge.bg-warning { background: var(--warning-light); color: #92400e; }
.badge.bg-info    { background: var(--info-light);    color: var(--info); }
.badge.bg-light   { background: var(--bg); color: var(--text-muted); border: 1px solid var(--border); }
.badge.bg-dark    { background: var(--text); color: var(--bg-card); }

/* ── Dropdowns ────────────────────────────────────────────────── */
.dropdown-menu {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 6px;
  animation: scaleIn .18s ease;
  transform-origin: top right;
}
.dropdown-item {
  color: var(--text);
  border-radius: var(--radius-sm);
  font-size: 13.5px;
  padding: 8px 12px;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: background .15s;
  cursor: pointer;
}
.dropdown-item:hover { background: var(--bg); color: var(--text); }
.dropdown-item.text-danger:hover { background: var(--danger-light); color: var(--danger); }
.dropdown-divider { border-color: var(--border); margin: 4px 0; }

/* ── Dropzone ─────────────────────────────────────────────────── */
.dropzone-area {
  border: 2px dashed var(--border-dark);
  border-radius: var(--radius-xl);
  background: var(--bg);
  padding: 52px 24px;
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
}
.dropzone-area:hover,
.dropzone-area.dz-drag-hover {
  border-color: var(--primary);
  background: var(--primary-light);
}
.dropzone-area .dz-icon {
  font-size: 52px;
  color: var(--primary);
  margin-bottom: 14px;
  opacity: .65;
}
.dropzone-area .dz-message { font-size: 15px; color: var(--text-muted); }
.dropzone-area .dz-message strong { color: var(--primary); }

/* ── Folder Tree ──────────────────────────────────────────────── */
.folder-tree { font-size: 13.5px; }
.folder-tree ul { list-style: none; padding-left: 20px; margin: 0; }
.folder-tree > ul { padding-left: 0; }

.folder-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  border-radius: var(--radius);
  cursor: pointer;
  transition: var(--transition);
  color: var(--text);
  user-select: none;
}
.folder-item:hover { background: var(--primary-light); color: var(--primary); }
.folder-item.active { background: var(--primary); color: #fff; }
.folder-item .folder-icon { color: #f59e0b; }
.folder-item.active .folder-icon { color: #fff; }
.folder-item .folder-toggle {
  width: 16px; height: 16px;
  display: flex; align-items: center; justify-content: center;
  font-size: 10px; color: var(--text-muted); flex-shrink: 0;
}

/* ── Document Cards ───────────────────────────────────────────── */
.doc-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 16px;
  position: relative;
  overflow: hidden;
  transition: var(--transition-spring);
  cursor: pointer;
}
.doc-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.doc-card .doc-thumb {
  width: 100%; height: 120px;
  border-radius: var(--radius);
  background: var(--bg);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 12px;
  overflow: hidden;
}
.doc-card .doc-thumb .file-icon { font-size: 42px; opacity: .8; }
.doc-card .doc-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: 4px;
}
.doc-card .doc-meta { font-size: 11.5px; color: var(--text-muted); }
.doc-card .doc-actions {
  position: absolute;
  top: 10px; right: 10px;
  display: none;
  gap: 4px;
}
.doc-card:hover .doc-actions { display: flex; }

/* ── Context Menu ─────────────────────────────────────────────── */
.context-menu {
  position: fixed;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 6px;
  z-index: 9999;
  min-width: 188px;
  font-size: 13px;
  animation: ctxFadeIn .16s ease;
}
.context-menu .ctx-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  color: var(--text);
  transition: background .14s;
}
.context-menu .ctx-item:hover { background: var(--bg); color: var(--primary); }
.context-menu .ctx-item.danger:hover { background: var(--danger-light); color: var(--danger); }
.context-menu .ctx-divider { height: 1px; background: var(--border); margin: 4px 0; }

/* ── Toast Notifications ──────────────────────────────────────── */
#toast-container {
  position: fixed;
  top: 76px; right: 20px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-width: 380px;
  width: calc(100vw - 40px);
}

.toast-notification {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 14px 16px;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 13.5px;
  color: var(--text);
  border-left: 4px solid var(--primary);
  animation: toastIn .32s cubic-bezier(.4,0,.2,1) forwards;
  position: relative;
  overflow: hidden;
}
.toast-notification .toast-progress {
  position: absolute;
  bottom: 0; left: 0;
  height: 2px;
  background: var(--primary);
  border-radius: 0 0 0 0;
}
.toast-notification.bg-success { border-left-color: var(--success); }
.toast-notification.bg-success .toast-progress { background: var(--success); }
.toast-notification.bg-danger  { border-left-color: var(--danger); }
.toast-notification.bg-danger  .toast-progress { background: var(--danger); }
.toast-notification.bg-warning { border-left-color: var(--warning); }
.toast-notification.bg-warning .toast-progress { background: var(--warning); }
.toast-notification.bg-info    { border-left-color: var(--info); }
.toast-notification.bg-info    .toast-progress { background: var(--info); }

.toast-notification i { font-size: 18px; flex-shrink: 0; margin-top: 1px; }
.toast-notification.bg-success i { color: var(--success); }
.toast-notification.bg-danger  i { color: var(--danger); }
.toast-notification.bg-warning i { color: var(--warning); }
.toast-notification.bg-info    i { color: var(--info); }
.toast-notification .toast-body { flex: 1; line-height: 1.4; }

.toast-notification.hiding { animation: toastOut .30s forwards; }

/* ── Loading Skeleton ─────────────────────────────────────────── */
.skeleton {
  background: linear-gradient(
    90deg,
    var(--bg) 25%,
    var(--border) 50%,
    var(--bg) 75%
  );
  background-size: 200% 100%;
  animation: skeletonShimmer 1.6s infinite ease-in-out;
  border-radius: var(--radius);
}
.skeleton-text   { height: 14px; margin-bottom: 8px; }
.skeleton-title  { height: 22px; width: 55%; margin-bottom: 12px; }
.skeleton-card   { height: 130px; }
.skeleton-avatar { width: 40px; height: 40px; border-radius: 50%; flex-shrink: 0; }
.skeleton-btn    { height: 36px; width: 100px; border-radius: var(--radius); }
.skeleton-row    { height: 50px; margin-bottom: 4px; }

/* ── Preview Modal ────────────────────────────────────────────── */
.preview-modal .modal-dialog { max-width: 920px; }
.preview-modal .modal-content {
  border-radius: var(--radius-xl);
  border: none;
  box-shadow: var(--shadow-xl);
  background: var(--bg-card);
}
.preview-iframe { width: 100%; height: 70vh; border: none; border-radius: var(--radius); }

/* Modal overrides */
.modal-content { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-xl); }
.modal-header { border-bottom-color: var(--border); padding: 20px 24px 16px; }
.modal-title { font-weight: 700; color: var(--text); letter-spacing: -.2px; }
.modal-footer { border-top-color: var(--border); padding: 16px 24px 20px; }
.modal-body { padding: 24px; }
.btn-close { opacity: .5; }
.btn-close:hover { opacity: 1; }

/* ── Auth Layout ──────────────────────────────────────────────── */
.auth-wrapper {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(145deg, #0f0c29 0%, #302b63 50%, #24243e 100%);
  position: relative;
  overflow: hidden;
  padding: 20px;
}

.auth-wrapper::before {
  content: '';
  position: absolute;
  width: 700px; height: 700px;
  background: radial-gradient(circle, rgba(99,102,241,.35) 0%, transparent 70%);
  top: -250px; right: -150px;
  pointer-events: none;
  animation: pulse 6s infinite;
}

.auth-wrapper::after {
  content: '';
  position: absolute;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(6,182,212,.20) 0%, transparent 70%);
  bottom: -150px; left: -80px;
  pointer-events: none;
}

.auth-card {
  background: rgba(255,255,255,.06);
  backdrop-filter: blur(28px);
  -webkit-backdrop-filter: blur(28px);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 24px;
  padding: 44px;
  width: 100%;
  max-width: 440px;
  position: relative;
  z-index: 1;
  box-shadow: 0 30px 60px rgba(0,0,0,.55), inset 0 1px 0 rgba(255,255,255,.12);
  animation: fadeInUp .45s ease;
}

.auth-logo { text-align: center; margin-bottom: 30px; }

.auth-logo .logo-icon {
  width: 68px; height: 68px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: 20px;
  display: inline-flex;
  align-items: center; justify-content: center;
  font-size: 28px;
  color: #fff;
  margin-bottom: 16px;
  box-shadow: 0 10px 28px rgba(99,102,241,.50);
}

.auth-logo .logo-title { color: #fff; font-size: 22px; font-weight: 800; margin: 0; letter-spacing: -.4px; }
.auth-logo .logo-subtitle { color: rgba(255,255,255,.45); font-size: 12px; margin: 5px 0 0; letter-spacing: .3px; }

.auth-card .form-label { color: rgba(255,255,255,.78); font-size: 13px; font-weight: 600; }

.auth-card .form-control {
  background: rgba(255,255,255,.08);
  border-color: rgba(255,255,255,.12);
  color: #fff;
}
.auth-card .form-control:focus {
  background: rgba(255,255,255,.12);
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(99,102,241,.25);
  color: #fff;
}
.auth-card .form-control::placeholder { color: rgba(255,255,255,.32); }

.auth-card h2, .auth-card h3 { color: #fff; }
.auth-card p, .auth-card .text-muted { color: rgba(255,255,255,.5); }
.auth-card a { color: #a5b4fc; }
.auth-card a:hover { color: #fff; }

.btn-auth {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  border: none;
  color: #fff;
  width: 100%;
  padding: 12px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 15px;
  cursor: pointer;
  transition: var(--transition);
  letter-spacing: .2px;
  box-shadow: var(--shadow-primary);
}
.btn-auth:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-primary-lg);
  color: #fff;
}
.btn-auth:active { transform: translateY(0); }

.password-toggle {
  position: absolute;
  right: 14px; top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: rgba(255,255,255,.4);
  cursor: pointer;
  padding: 4px;
  font-size: 14px;
  transition: color .2s;
}
.password-toggle:hover { color: rgba(255,255,255,.8); }

/* ── Notifications Dropdown ───────────────────────────────────── */
.notif-dropdown {
  width: min(350px, calc(100vw - 24px));
  max-height: 500px;
  overflow-y: auto;
  border-radius: var(--radius-lg);
}
.notif-item {
  display: flex;
  gap: 12px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  transition: background .14s;
}
.notif-item:last-child { border-bottom: 0; }
.notif-item:hover { background: var(--bg); }
.notif-item.unread { background: var(--primary-light); }
.notif-icon {
  width: 38px; height: 38px;
  border-radius: 11px;
  display: flex; align-items: center; justify-content: center;
  font-size: 15px; flex-shrink: 0;
}
.notif-body .notif-title {
  font-size: 13px; font-weight: 600; color: var(--text); margin: 0 0 2px;
}
.notif-body .notif-time { font-size: 11px; color: var(--text-muted); }

/* ── Storage meter ────────────────────────────────────────────── */
.storage-meter {
  height: 6px;
  background: var(--bg);
  border-radius: 4px;
  overflow: hidden;
  margin-top: 8px;
}
.storage-fill {
  height: 100%;
  border-radius: 4px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  transition: width .7s ease;
}

/* ── File grid ────────────────────────────────────────────────── */
.file-grid { display: grid; gap: 16px; }
.file-grid-6 { grid-template-columns: repeat(6, 1fr); }
.file-grid-4 { grid-template-columns: repeat(4, 1fr); }
.file-grid-3 { grid-template-columns: repeat(3, 1fr); }
.file-grid-2 { grid-template-columns: repeat(2, 1fr); }

/* ── Tag chips ────────────────────────────────────────────────── */
.tag-chip {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: var(--primary-light);
  color: var(--primary);
  border-radius: 20px;
  padding: 3px 10px;
  font-size: 12px;
  font-weight: 500;
}
.tag-chip .tag-remove {
  cursor: pointer;
  width: 14px; height: 14px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%;
  font-size: 10px;
  transition: background .14s;
}
.tag-chip .tag-remove:hover { background: rgba(99,102,241,.2); }

/* ── Sidebar overlay (mobile) ─────────────────────────────────── */
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.45);
  z-index: 1039;
  backdrop-filter: blur(4px);
}
.sidebar-overlay.active { display: block; animation: fadeIn .2s ease; }

/* ── Scrollbar ────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-dark); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* ── Pagination ───────────────────────────────────────────────── */
.pagination { flex-wrap: wrap; gap: 2px; }
.pagination .page-item .page-link {
  background: var(--bg-card);
  border-color: var(--border);
  color: var(--text-muted);
  border-radius: var(--radius-sm);
  font-size: 13px;
  padding: 6px 12px;
  transition: var(--transition);
}
.pagination .page-item .page-link:hover {
  background: var(--primary-light);
  border-color: var(--primary);
  color: var(--primary);
}
.pagination .page-item.active .page-link {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
  box-shadow: var(--shadow-primary);
}
.pagination .page-item.disabled .page-link { opacity: .4; cursor: not-allowed; }

/* ── Alerts ───────────────────────────────────────────────────── */
.alert {
  border-radius: var(--radius-lg);
  border: none;
  padding: 14px 18px;
  font-size: 13.5px;
  display: flex;
  align-items: flex-start;
  gap: 10px;
}
.alert-success { background: var(--success-light); color: #065f46; }
.alert-danger  { background: var(--danger-light);  color: #7f1d1d; }
.alert-warning { background: var(--warning-light); color: #78350f; }
.alert-info    { background: var(--info-light);    color: #1e3a5f; }
.alert-dismissible .btn-close { margin: 0; }
[data-theme="dark"] .alert-success { color: #6ee7b7; }
[data-theme="dark"] .alert-danger  { color: #fca5a5; }
[data-theme="dark"] .alert-warning { color: #fcd34d; }
[data-theme="dark"] .alert-info    { color: #93c5fd; }

/* ── Progress ─────────────────────────────────────────────────── */
.progress {
  height: 8px;
  background: var(--bg);
  border-radius: 4px;
  overflow: hidden;
}
.progress-bar {
  background: linear-gradient(90deg, var(--primary), var(--accent));
  border-radius: 4px;
  transition: width .6s ease;
}
.progress-bar.bg-success { background: var(--success); }
.progress-bar.bg-danger  { background: var(--danger); }
.progress-bar.bg-warning { background: var(--warning); }

/* ── Tabs ─────────────────────────────────────────────────────── */
.nav-tabs {
  border-bottom: 2px solid var(--border);
  gap: 2px;
}
.nav-tabs .nav-link {
  color: var(--text-muted);
  border: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  padding: 10px 18px;
  font-size: 13.5px;
  font-weight: 500;
  border-radius: var(--radius) var(--radius) 0 0;
  transition: var(--transition);
}
.nav-tabs .nav-link:hover { color: var(--primary); background: var(--primary-light); }
.nav-tabs .nav-link.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
  background: transparent;
  font-weight: 600;
}

.nav-pills .nav-link {
  color: var(--text-muted);
  border-radius: var(--radius);
  padding: 8px 16px;
  font-size: 13.5px;
  font-weight: 500;
  transition: var(--transition);
}
.nav-pills .nav-link:hover { background: var(--bg); color: var(--text); }
.nav-pills .nav-link.active { background: var(--primary); color: #fff; box-shadow: var(--shadow-primary); }

/* ── List group ───────────────────────────────────────────────── */
.list-group-item {
  background: var(--bg-card);
  border-color: var(--border);
  color: var(--text);
  font-size: 13.5px;
  padding: 12px 16px;
  transition: background .14s;
}
.list-group-item:hover { background: var(--bg); }
.list-group-item.active { background: var(--primary); border-color: var(--primary); }
.list-group-item-action { cursor: pointer; }

/* ── Loading overlay ──────────────────────────────────────────── */
#loadingOverlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.45);
  z-index: 9998;
  display: none;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(4px);
  animation: fadeIn .2s ease;
}
.loading-box {
  background: var(--bg-card);
  border-radius: 20px;
  padding: 32px 40px;
  text-align: center;
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--border);
}
.loading-box .spinner-border { width: 3rem; height: 3rem; border-width: 3px; color: var(--primary); margin-bottom: 14px; }
.loading-box p { font-size: 14px; color: var(--text-muted); margin: 0; }

/* Spinner */
.spinner-border {
  display: inline-block;
  width: 2rem; height: 2rem;
  border: .25em solid currentColor;
  border-right-color: transparent;
  border-radius: 50%;
  animation: spin .75s linear infinite;
}
.spinner-border-sm { width: 1rem; height: 1rem; border-width: .2em; }

/* ── Version badge ────────────────────────────────────────────── */
.version-badge {
  position: fixed;
  bottom: 16px; right: 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 4px 12px;
  font-size: 11px;
  color: var(--text-light);
  box-shadow: var(--shadow);
  z-index: 100;
}

/* ── Utilities ────────────────────────────────────────────────── */
.cursor-pointer { cursor: pointer; }
.text-truncate-2 {
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}
.transition { transition: var(--transition); }
.shadow-hover:hover { box-shadow: var(--shadow-md); }
.rounded-xl  { border-radius: var(--radius-xl) !important; }
.rounded-2xl { border-radius: var(--radius-2xl) !important; }
.gap-2 { gap: .5rem; }
.gap-3 { gap: .75rem; }
.min-vh-100 { min-height: 100vh; }
.text-primary { color: var(--primary) !important; }
.text-success { color: var(--success) !important; }
.text-danger  { color: var(--danger) !important; }
.text-warning { color: var(--warning) !important; }
.text-muted   { color: var(--text-muted) !important; }
.bg-primary-light { background: var(--primary-light) !important; }

/* Icon element inside span fix */
span > i.fas, span > i.far, span > i.fa, span > i.fab {
  display: inline-block;
}

/* ── Font Awesome colour helpers (fileIcon uses these) ────────── */
.text-purple { color: var(--purple) !important; }
.text-pink   { color: var(--pink)   !important; }
.text-teal   { color: var(--teal)   !important; }
.text-cyan   { color: var(--accent) !important; }

/* ── Drag and drop states ─────────────────────────────────────── */
.drag-over {
  border-color: var(--primary) !important;
  background: var(--primary-light) !important;
  box-shadow: 0 0 0 4px var(--primary-glow) !important;
}
.drag-dragging {
  opacity: .55;
  transform: scale(.98);
  cursor: grabbing !important;
}

/* ── Mobile Search Overlay ────────────────────────────────────── */
#mobileSearchBtn { display: none; flex-shrink: 0; }

#mobileSearchClose {
  display: none;
  background: none;
  border: none;
  color: var(--text-muted);
  width: 44px; height: 44px;
  min-width: 44px;
  border-radius: var(--radius);
  align-items: center; justify-content: center;
  font-size: 16px;
  cursor: pointer;
  flex-shrink: 0;
  transition: var(--transition);
}
#mobileSearchClose:hover { background: var(--bg); color: var(--primary); }

/* ── Responsive ───────────────────────────────────────────────── */

/* ── Always-on: accessible helpers ─────────────────────────────── */
.sidebar-nav .nav-link { min-height: 44px; }
.table-responsive { -webkit-overflow-scrolling: touch; scrollbar-width: thin; }
.breadcrumb { flex-wrap: nowrap; overflow-x: auto; -webkit-overflow-scrolling: touch; }
.breadcrumb-item { white-space: nowrap; }
.nav-tabs  { overflow-x: auto; -webkit-overflow-scrolling: touch; flex-wrap: nowrap; scrollbar-width: none; }
.nav-tabs::-webkit-scrollbar { display: none; }
.nav-tabs .nav-link { white-space: nowrap; }
.nav-pills { overflow-x: auto; -webkit-overflow-scrolling: touch; flex-wrap: nowrap; scrollbar-width: none; }
.nav-pills::-webkit-scrollbar { display: none; }
.nav-pills .nav-link { white-space: nowrap; }

/* Touch devices: always show doc card actions */
@media (hover: none) and (pointer: coarse) {
  .doc-card .doc-actions {
    display: flex;
    position: static;
    margin-top: 10px;
    justify-content: flex-end;
  }
  .sidebar-nav .nav-link { min-height: 48px; }
  .btn-icon.btn-sm  { width: 40px; height: 40px; }
  .btn-icon         { width: 44px; height: 44px; }
}

/* ── ≥ 1600px: Wide desktop ─────────────────────────────────────── */
@media (min-width: 1600px) {
  #main-content { padding: 32px 40px; }
}

/* ── ≥ 1920px: 4K / ultra-wide ──────────────────────────────────── */
@media (min-width: 1920px) {
  #main-content { padding: 36px 48px; }
  .stat-card .stat-value { font-size: 34px; }
}

/* ── ≤ 1400px ────────────────────────────────────────────────────── */
@media (max-width: 1400px) {
  .file-grid-6 { grid-template-columns: repeat(5, 1fr); }
}

/* ── ≤ 1200px: Large tablet ─────────────────────────────────────── */
@media (max-width: 1200px) {
  .file-grid-6 { grid-template-columns: repeat(4, 1fr); }
}

/* ── ≤ 992px: Tablet — sidebar off-canvas ───────────────────────── */
@media (max-width: 992px) {
  #sidebar {
    transform: translateX(-100%);
    z-index: 1050;
    width: var(--sidebar-width) !important;
    box-shadow: none;
    transition: transform 0.28s cubic-bezier(.4,0,.2,1);
  }
  #sidebar.mobile-open {
    transform: translateX(0);
    box-shadow: var(--shadow-lg);
  }
  #topnav           { left: 0 !important; padding: 0 16px; }
  #topnav.sidebar-collapsed { left: 0 !important; }
  #main-content     { margin-left: 0 !important; padding: 24px 20px; }
  #main-content.sidebar-collapsed { margin-left: 0 !important; }

  .file-grid-6 { grid-template-columns: repeat(3, 1fr); }
  .file-grid-4 { grid-template-columns: repeat(2, 1fr); }
}

/* ── ≤ 768px: Large phones / small tablets ──────────────────────── */
@media (max-width: 768px) {
  #main-content { padding: 20px 16px; }
  #topnav       { padding: 0 14px; gap: 8px; }
  .topnav-search { max-width: 180px; }

  .page-title { font-size: 20px; }
  .file-grid-6 { grid-template-columns: repeat(2, 1fr); }
  .file-grid-3 { grid-template-columns: repeat(2, 1fr); }

  /* Modals — nearly full width */
  .modal-dialog { margin: 8px auto; max-width: calc(100vw - 16px) !important; }
  .preview-modal .modal-dialog { max-width: calc(100vw - 16px) !important; }
  .preview-iframe { height: 50vh; }

  /* Notification dropdown — right-edge safe */
  .notif-dropdown { width: calc(100vw - 16px); }

  /* Table action buttons slightly larger on tablet */
  .btn-icon.btn-sm { width: 34px; height: 34px; }
}

/* ── ≤ 576px: Standard mobile ───────────────────────────────────── */
@media (max-width: 576px) {
  /* Layout */
  #main-content { padding: 16px 12px; }
  #topnav       { padding: 0 10px; gap: 4px; }

  /* Replace topnav search with icon button */
  .topnav-search { display: none !important; }
  #mobileSearchBtn { display: flex; }

  /* Mobile search overlay — full-width bar above topnav */
  .topnav-search.mobile-search-active {
    display: flex !important;
    position: fixed;
    top: 0; left: 0; right: 0;
    height: 64px;
    z-index: 1055;
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-bottom: 1px solid var(--border);
    padding: 0 12px;
    gap: 10px;
    align-items: center;
    max-width: 100%;
    flex: none;
    margin: 0;
    animation: fadeInDown .18s ease;
  }
  .topnav-search.mobile-search-active input {
    flex: 1;
    max-width: none;
    border-radius: 40px;
  }
  #mobileSearchClose { display: flex; }

  /* Auth */
  .auth-card { padding: 28px 20px; }
  .auth-logo .logo-icon { width: 58px; height: 58px; font-size: 24px; }
  .auth-logo .logo-title { font-size: 20px; }

  /* Page header — stacks, buttons expand */
  .page-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }
  .page-header > div:last-child,
  .page-header > a:last-child { width: 100%; }
  .page-header .d-flex { flex-wrap: wrap; gap: 8px !important; }
  .page-header .btn { flex: 1 1 120px; justify-content: center; }

  /* Typography */
  .page-title    { font-size: 18px; }
  .page-subtitle { font-size: 12px; }

  /* Stat cards — compact */
  .stat-card              { padding: 16px; }
  .stat-card .stat-value  { font-size: 24px; }
  .stat-card .stat-icon   { width: 44px; height: 44px; font-size: 18px; margin-bottom: 10px; border-radius: 12px; }
  .stat-card .stat-label  { font-size: 12px; }
  .stat-card .stat-change { font-size: 11px; }
  .stat-card .stat-bg-icon{ font-size: 70px; }

  /* File grids */
  .file-grid           { gap: 10px; }
  .file-grid-6,
  .file-grid-4,
  .file-grid-3         { grid-template-columns: repeat(2, 1fr); }

  /* Cards */
  .card-header { padding: 12px 14px; }
  .card-body   { padding: 14px; }
  .card-title  { font-size: 13.5px; }

  /* Buttons — touch-friendly */
  .btn-icon.btn-sm { width: 38px; height: 38px; }
  .btn-icon        { width: 42px; height: 42px; }

  /* Tables — tighter on mobile */
  .table               { font-size: 12.5px; }
  .table thead th      { padding: 9px 12px; font-size: 10px; letter-spacing: .6px; }
  .table tbody td      { padding: 10px 12px; }

  /* Forms */
  .form-label   { font-size: 12.5px; }
  .form-control,
  .form-select  { font-size: 13px; padding: 8px 12px; }

  /* Toast — full width */
  #toast-container    { right: 8px; left: 8px; width: auto; max-width: none; }
  .toast-notification { font-size: 13px; padding: 12px 14px; }

  /* Pagination */
  .pagination .page-item .page-link { padding: 5px 9px; font-size: 12px; }

  /* Dropzone */
  .dropzone-area             { padding: 32px 16px; }
  .dropzone-area .dz-icon    { font-size: 38px; margin-bottom: 10px; }
  .dropzone-area .dz-message { font-size: 13.5px; }

  /* Modals — near full-screen on mobile */
  .modal-dialog { margin: 4px; max-width: calc(100vw - 8px) !important; }
  .modal-header { padding: 16px 18px 12px; }
  .modal-body   { padding: 16px 18px; }
  .modal-footer { padding: 12px 18px 16px; }
  .preview-iframe { height: 55vh; }

  /* Notification dropdown — full edge */
  .notif-dropdown { width: calc(100vw - 8px); }

  /* Bulk action bar — full bottom bar */
  #bulkBar {
    left: 10px !important;
    right: 10px !important;
    bottom: 12px;
    transform: none !important;
    width: auto;
    border-radius: 16px;
    flex-wrap: wrap;
    justify-content: center;
    padding: 10px 14px;
  }

  /* Version badge — hide on mobile to reduce clutter */
  .version-badge { display: none; }

  /* Pagination row */
  .pagination-row { flex-direction: column; align-items: flex-start; gap: 10px; }
}

/* ── ≤ 480px: Small phones ───────────────────────────────────────── */
@media (max-width: 480px) {
  .stat-card .stat-value { font-size: 22px; }

  /* Auth */
  .auth-card { padding: 24px 16px; }

  /* Nav tabs — always scrollable */
  .nav-tabs  { border-bottom-width: 1px; padding-bottom: 0; }

  /* Pagination surrounding row */
  .d-flex.justify-content-between.align-items-center.mt-4 {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }
}

/* ── ≤ 390px: Common flagship phones ────────────────────────────── */
@media (max-width: 390px) {
  #main-content { padding: 14px 10px; }
  .page-title   { font-size: 17px; }
  .stat-card .stat-value { font-size: 20px; }
  .card-header  { padding: 10px 12px; }
  .card-body    { padding: 12px; }
  .badge        { font-size: 10px; padding: 3px 7px; }
  .auth-card    { padding: 22px 14px; }
  .auth-logo .logo-icon { width: 52px; height: 52px; font-size: 20px; }
  .auth-logo .logo-title { font-size: 18px; }
  .btn          { font-size: 13px; padding: 7px 14px; }
  .btn-sm       { font-size: 12px; padding: 5px 10px; }
  .table thead th { padding: 8px 10px; font-size: 9.5px; }
  .table tbody td { padding: 9px 10px; }
}

/* ── ≤ 375px: Smaller phones ────────────────────────────────────── */
@media (max-width: 375px) {
  .auth-card { padding: 20px 14px; }
  .stat-card .stat-value { font-size: 19px; }
  .stat-card .stat-icon { width: 40px; height: 40px; font-size: 16px; }
  #topnav { padding: 0 8px; gap: 2px; }
  .topnav-btn { width: 40px; height: 40px; min-width: 40px; min-height: 40px; font-size: 14px; }
  .topnav-toggle { width: 40px; height: 40px; min-width: 40px; min-height: 40px; font-size: 15px; }
}

/* ── ≤ 320px: Minimum viewport ──────────────────────────────────── */
@media (max-width: 320px) {
  #main-content { padding: 12px 8px; }
  .page-title   { font-size: 15px; }
  .stat-card    { padding: 12px; }
  .stat-card .stat-value { font-size: 18px; }
  .file-grid    { gap: 8px; }
  .card-header  { padding: 8px 10px; }
  .card-body    { padding: 10px; }
  .auth-card    { padding: 18px 12px; }
  .btn          { font-size: 12.5px; padding: 6px 12px; }
  .btn-sm       { font-size: 11.5px; padding: 4px 9px; }
  .topnav-btn   { width: 38px; height: 38px; min-width: 38px; min-height: 38px; }
  .topnav-toggle{ width: 38px; height: 38px; min-width: 38px; min-height: 38px; }
  #toast-container { right: 4px; left: 4px; }
}

/* ── Print ────────────────────────────────────────────────────── */
@media print {
  #sidebar, #topnav, .no-print, #mobileSearchBtn, .mobile-search-active { display: none !important; }
  #main-content { margin: 0 !important; padding: 0 !important; }
  .card { box-shadow: none !important; border: 1px solid #ccc; }
}