/* 
  TELEGRAM CLOUD DRIVE PRO - ENTERPRISE DESIGN SYSTEM
  Inspired by modern SaaS (Apple, Google Drive, Vercel, Linear)
*/

:root {
  --bg-dark: #05070c;
  --bg-sidebar: rgba(10, 13, 22, 0.92);
  --bg-card: rgba(15, 22, 38, 0.75);
  --bg-card-hover: rgba(24, 34, 58, 0.9);
  --bg-glass-input: rgba(0, 0, 0, 0.4);
  
  --border-card: rgba(255, 255, 255, 0.08);
  --border-card-hover: rgba(59, 130, 246, 0.45);
  
  --primary: #3b82f6;
  --primary-gradient: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
  --accent-cyan: #06b6d4;
  --accent-purple: #8b5cf6;
  --accent-rose: #f43f5e;
  --accent-amber: #f59e0b;
  --accent-emerald: #10b981;

  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dark: #64748b;
  
  --shadow-card: 0 10px 30px rgba(0, 0, 0, 0.35);
  --shadow-glow: 0 0 25px rgba(59, 130, 246, 0.25);
  --shadow-modal: 0 25px 60px rgba(0, 0, 0, 0.7);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  background-color: var(--bg-dark);
  color: var(--text-main);
  min-height: 100vh;
  overflow-x: hidden;
  padding-bottom: 95px;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Outfit', sans-serif;
}

/* Ambient Animated Dynamic Background Orbs */
.orb-container {
  position: fixed;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: 0;
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.3;
  animation: floatOrb 25s infinite ease-in-out alternate;
}

.orb-1 {
  top: -140px;
  left: -140px;
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, #3b82f6 0%, transparent 70%);
}

.orb-2 {
  bottom: -180px;
  right: -140px;
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, #8b5cf6 0%, transparent 70%);
}

.orb-3 {
  top: 45%;
  left: 45%;
  width: 550px;
  height: 550px;
  background: radial-gradient(circle, #06b6d4 0%, transparent 70%);
  opacity: 0.12;
}

@keyframes floatOrb {
  0% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(70px, 45px) scale(1.1); }
  100% { transform: translate(-50px, 80px) scale(0.92); }
}

/* PIN SECURITY LOCK OVERLAY SCREEN */
.pin-lock-screen {
  position: fixed;
  inset: 0;
  background: rgba(5, 7, 12, 0.95);
  backdrop-filter: blur(28px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.pin-lock-screen.hidden {
  opacity: 0;
  pointer-events: none;
  transform: scale(1.05);
}

.pin-card {
  background: rgba(15, 23, 42, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 28px;
  padding: 36px 32px;
  width: 380px;
  text-align: center;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.8), 0 0 40px rgba(59, 130, 246, 0.25);
}

.pin-brand-icon {
  width: 60px;
  height: 60px;
  border-radius: 20px;
  background: linear-gradient(135deg, #3b82f6, #8b5cf6);
  color: #fff;
  font-size: 26px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 30px var(--primary-glow);
}

.pin-dots {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin: 24px 0 16px 0;
}

.pin-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.3);
  background: transparent;
  transition: all 0.2s ease;
}

.pin-dot.filled {
  background: #3b82f6;
  border-color: #3b82f6;
  box-shadow: 0 0 12px #3b82f6;
}

.pin-keypad {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 10px;
}

.pin-key {
  height: 56px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-card);
  color: #fff;
  font-size: 20px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.15s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

.pin-key:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.3);
  transform: scale(1.05);
}

.pin-key:active {
  transform: scale(0.95);
}

.pin-key.text {
  font-size: 16px;
  color: var(--text-muted);
}

/* Shake error animation */
.shake-error {
  animation: shakeKeypad 0.4s ease;
}

@keyframes shakeKeypad {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-12px); }
  50% { transform: translateX(12px); }
  75% { transform: translateX(-8px); }
}

/* Switch Toggle Component */
.switch-toggle input:checked + .slider {
  background-color: #3b82f6;
}

.switch-toggle input:checked + .slider:before {
  transform: translateX(20px);
}

.slider.round {
  position: absolute;
  cursor: pointer;
  inset: 0;
  background-color: rgba(255, 255, 255, 0.15);
  transition: .3s;
  border-radius: 24px;
}

.slider.round:before {
  position: absolute;
  content: "";
  height: 18px;
  width: 18px;
  left: 3px;
  bottom: 3px;
  background-color: white;
  transition: .3s;
  border-radius: 50%;
}

/* Main App Layout */
.app-wrapper {
  display: flex;
  min-height: 100vh;
  position: relative;
  z-index: 1;
}

/* Glassmorphic Sidebar */
.sidebar {
  width: 275px;
  background: var(--bg-sidebar);
  border-right: 1px solid var(--border-card);
  backdrop-filter: blur(28px);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 26px 20px;
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  z-index: 100;
  box-shadow: 10px 0 40px rgba(0, 0, 0, 0.45);
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
  color: #fff;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--border-card);
}

.brand-icon {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, #3b82f6, #06b6d4);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: #fff;
  box-shadow: 0 0 25px var(--primary-glow);
}

.brand-title {
  font-size: 19px;
  font-weight: 800;
  letter-spacing: -0.5px;
  background: linear-gradient(135deg, #ffffff 40%, #94a3b8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.brand-badge {
  font-size: 10px;
  font-weight: 800;
  background: rgba(59, 130, 246, 0.2);
  color: #60a5fa;
  padding: 2px 8px;
  border-radius: 20px;
  border: 1px solid rgba(96, 165, 250, 0.35);
  text-transform: uppercase;
  letter-spacing: 0.6px;
}

/* Quick New Upload Button in Sidebar */
.sidebar-upload-btn {
  width: 100%;
  margin-top: 20px;
  margin-bottom: 10px;
  padding: 13px 20px;
  border-radius: 14px;
  background: linear-gradient(135deg, #3b82f6, #2563eb);
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  box-shadow: 0 6px 25px var(--primary-glow);
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.sidebar-upload-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(59, 130, 246, 0.6);
}

.sidebar-menu {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 14px;
}

.menu-label {
  font-size: 11px;
  font-weight: 800;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1.2px;
  padding: 8px 12px 6px 12px;
}

.tab-pill {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-radius: 14px;
  font-size: 14px;
  font-weight: 600;
  background: transparent;
  color: var(--text-muted);
  border: 1px solid transparent;
  cursor: pointer;
  width: 100%;
  text-align: left;
  position: relative;
  transition: all 0.22s cubic-bezier(0.4, 0, 0.2, 1);
}

.tab-pill-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.tab-pill i {
  font-size: 17px;
  width: 22px;
  text-align: center;
  transition: transform 0.2s ease;
}

.tab-pill:hover {
  background: rgba(255, 255, 255, 0.06);
  color: #fff;
  transform: translateX(4px);
}

.tab-pill:hover i {
  transform: scale(1.15);
}

.tab-pill.active {
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.22), rgba(139, 92, 246, 0.22));
  color: #60a5fa;
  border-color: rgba(96, 165, 250, 0.45);
  box-shadow: 0 4px 20px rgba(59, 130, 246, 0.25);
  font-weight: 700;
}

.tab-pill.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 15%;
  bottom: 15%;
  width: 4px;
  background: linear-gradient(180deg, #3b82f6, #06b6d4);
  border-radius: 0 4px 4px 0;
  box-shadow: 0 0 12px #3b82f6;
}

.cat-count-badge {
  font-size: 11px;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-muted);
}

.tab-pill.active .cat-count-badge {
  background: rgba(59, 130, 246, 0.3);
  color: #fff;
}

/* Sidebar Storage Widget */
.sidebar-bottom {
  padding-top: 18px;
  border-top: 1px solid var(--border-card);
}

.storage-widget {
  background: rgba(0, 0, 0, 0.45);
  border: 1px solid var(--border-card);
  border-radius: 18px;
  padding: 18px;
  margin-bottom: 14px;
  box-shadow: inset 0 0 20px rgba(0, 0, 0, 0.3);
}

.segmented-bar {
  display: flex;
  width: 100%;
  height: 8px;
  border-radius: 10px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.08);
  margin-top: 10px;
}

.seg-item {
  height: 100%;
  transition: width 0.5s ease;
}

.seg-image { background: #22d3ee; }
.seg-video { background: #fb7185; }
.seg-audio { background: #c084fc; }
.seg-document { background: #60a5fa; }
.seg-archive { background: #fbbf24; }
.seg-code { background: #34d399; }
.seg-other { background: #cbd5e1; }

/* Main Workspace View */
.main-workspace {
  margin-left: 275px;
  flex: 1;
  padding: 28px 38px;
  width: calc(100% - 275px);
}

/* Top Header Bar */
.top-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 28px;
  flex-wrap: wrap;
}

/* Global Top Search Bar with Filter */
.global-search-container {
  display: flex;
  align-items: center;
  gap: 16px;
  flex: 1;
  max-width: 540px;
}

.search-wrap {
  position: relative;
  width: 100%;
}

.search-wrap i {
  position: absolute;
  left: 18px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 15px;
}

.search-wrap input {
  width: 100%;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: 16px;
  padding: 12px 18px 12px 46px;
  color: #fff;
  font-size: 14px;
  outline: none;
  backdrop-filter: blur(14px);
  transition: all 0.25s ease;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
}

.search-wrap input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 25px rgba(59, 130, 246, 0.35);
}

.status-pill {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 18px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 700;
  background: rgba(16, 185, 129, 0.12);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.35);
  box-shadow: 0 0 15px rgba(16, 185, 129, 0.15);
}

.status-pill.disconnected {
  background: rgba(244, 63, 94, 0.12);
  color: #fb7185;
  border-color: rgba(244, 63, 94, 0.35);
}

/* Dashboard Metrics Grid (4 Cards) */
.dashboard-metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 22px;
  margin-bottom: 32px;
}

.dash-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: 22px;
  padding: 24px;
  backdrop-filter: blur(20px);
  position: relative;
  overflow: hidden;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: var(--shadow-card);
}

.dash-card:hover {
  transform: translateY(-5px);
  border-color: var(--border-card-hover);
  box-shadow: 0 18px 35px rgba(0, 0, 0, 0.4), var(--shadow-glow);
}

.dash-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}

.dash-card-title {
  font-size: 12px;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.8px;
}

.dash-card-icon {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-card);
  transition: transform 0.3s ease;
}

.dash-card:hover .dash-card-icon {
  transform: scale(1.12) rotate(6deg);
}

.dash-card-val {
  font-size: 28px;
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.8px;
  margin-bottom: 4px;
}

.dash-card-sub {
  font-size: 12px;
  color: var(--text-muted);
}

.card-cyan .dash-card-icon { color: var(--accent-cyan); background: rgba(6, 182, 212, 0.14); border-color: rgba(6, 182, 212, 0.3); }
.card-blue .dash-card-icon { color: var(--primary); background: rgba(59, 130, 246, 0.14); border-color: rgba(59, 130, 246, 0.3); }
.card-purple .dash-card-icon { color: var(--accent-purple); background: rgba(139, 92, 246, 0.14); border-color: rgba(139, 92, 246, 0.3); }
.card-emerald .dash-card-icon { color: var(--accent-emerald); background: rgba(16, 185, 129, 0.14); border-color: rgba(16, 185, 129, 0.3); }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 11px 22px;
  border-radius: 14px;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  border: none;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, #3b82f6, #2563eb);
  color: #fff;
  box-shadow: 0 4px 22px var(--primary-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(59, 130, 246, 0.65);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-main);
  border: 1px solid var(--border-card);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.14);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.25);
}

/* Upload Card Zone */
.upload-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: 24px;
  padding: 28px;
  backdrop-filter: blur(20px);
  margin-bottom: 34px;
  box-shadow: var(--shadow-card);
}

.dropzone {
  border: 2px dashed rgba(59, 130, 246, 0.4);
  border-radius: 18px;
  padding: 42px 24px;
  text-align: center;
  background: rgba(10, 15, 28, 0.75);
  cursor: pointer;
  transition: all 0.3s ease;
}

.dropzone:hover, .dropzone.dragover {
  border-color: #3b82f6;
  background: rgba(59, 130, 246, 0.1);
  box-shadow: 0 0 30px rgba(59, 130, 246, 0.25);
  transform: scale(1.005);
}

.dropzone-cloud-icon {
  font-size: 52px;
  background: linear-gradient(135deg, #60a5fa, #06b6d4);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 14px;
  filter: drop-shadow(0 0 15px rgba(96, 165, 250, 0.4));
}

.dropzone-heading {
  font-size: 19px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 6px;
}

.dropzone-desc {
  font-size: 13px;
  color: var(--text-muted);
}

.upload-controls {
  display: flex;
  gap: 14px;
  margin-top: 20px;
  flex-wrap: wrap;
}

.input-glass {
  flex: 1;
  min-width: 220px;
  background: var(--bg-glass-input);
  border: 1px solid var(--border-card);
  border-radius: 14px;
  padding: 12px 18px;
  color: #fff;
  font-size: 14px;
  outline: none;
  transition: all 0.2s ease;
}

.input-glass:focus {
  border-color: var(--primary);
  box-shadow: 0 0 20px rgba(59, 130, 246, 0.25);
}

/* Section Header Toolbar */
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 22px;
  flex-wrap: wrap;
  gap: 16px;
}

/* Layout View Mode Buttons (Grid vs List View) */
.view-mode-toggle {
  display: flex;
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid var(--border-card);
  border-radius: 12px;
  padding: 4px;
  gap: 4px;
}

.view-btn {
  padding: 7px 14px;
  border-radius: 8px;
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: all 0.2s ease;
}

.view-btn.active {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 2px 10px var(--primary-glow);
}

/* File Cards Grid & List Layouts */
.files-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
  gap: 22px;
}

.files-grid.list-view {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* File Card Base */
.file-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: 20px;
  padding: 18px;
  backdrop-filter: blur(16px);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  animation: fadeInUp 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  overflow: hidden;
  position: relative;
  box-shadow: var(--shadow-card);
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

.file-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-card-hover);
  box-shadow: 0 18px 35px rgba(0, 0, 0, 0.4), var(--shadow-glow);
}

/* List View Card Styling */
.files-grid.list-view .file-card {
  flex-direction: row;
  align-items: center;
  padding: 14px 22px;
  border-radius: 16px;
}

.files-grid.list-view .card-thumb-container {
  display: none;
}

.files-grid.list-view .file-actions {
  margin-top: 0;
  padding-top: 0;
  border-top: none;
  max-width: 280px;
}

/* Extension Tag Badge */
.ext-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  font-size: 10px;
  font-weight: 800;
  text-transform: uppercase;
  background: rgba(0, 0, 0, 0.6);
  color: #fff;
  padding: 3px 8px;
  border-radius: 8px;
  border: 1px solid var(--border-card);
  backdrop-filter: blur(8px);
  z-index: 2;
}

/* Live Thumbnail Preview Container */
.card-thumb-container {
  width: 100%;
  height: 155px;
  border-radius: 14px;
  overflow: hidden;
  background: #000;
  margin-bottom: 16px;
  position: relative;
  cursor: pointer;
  border: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
}

.card-thumb-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.35s ease;
}

.card-thumb-container:hover .card-thumb-img {
  transform: scale(1.08);
}

.card-thumb-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.25s ease;
}

.card-thumb-container:hover .card-thumb-overlay {
  opacity: 1;
}

.play-icon-badge {
  width: 48px;
  height: 48px;
  background: rgba(59, 130, 246, 0.9);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  box-shadow: 0 0 25px var(--primary-glow);
}

.file-card-top {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.file-badge-icon {
  width: 46px;
  height: 46px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
  border: 1px solid var(--border-card);
}

.cat-image { background: rgba(6, 182, 212, 0.16); color: #22d3ee; border-color: rgba(6, 182, 212, 0.3); }
.cat-video { background: rgba(244, 63, 94, 0.16); color: #fb7185; border-color: rgba(244, 63, 94, 0.3); }
.cat-audio { background: rgba(139, 92, 246, 0.16); color: #c084fc; border-color: rgba(139, 92, 246, 0.3); }
.cat-document { background: rgba(59, 130, 246, 0.16); color: #60a5fa; border-color: rgba(59, 130, 246, 0.3); }
.cat-archive { background: rgba(245, 158, 11, 0.16); color: #fbbf24; border-color: rgba(245, 158, 11, 0.3); }
.cat-code { background: rgba(16, 185, 129, 0.16); color: #34d399; border-color: rgba(16, 185, 129, 0.3); }
.cat-other { background: rgba(148, 163, 184, 0.16); color: #cbd5e1; border-color: rgba(148, 163, 184, 0.3); }

.file-info {
  overflow: hidden;
  flex: 1;
}

.file-name {
  font-size: 14px;
  font-weight: 700;
  color: #fff;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: 4px;
}

.file-meta {
  font-size: 12px;
  color: var(--text-muted);
}

.file-actions {
  display: flex;
  gap: 8px;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--border-card);
}

.action-btn {
  padding: 8px 12px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-main);
  border: 1px solid var(--border-card);
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  flex: 1;
  text-decoration: none;
}

.action-btn:hover {
  background: rgba(255, 255, 255, 0.15);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.25);
  transform: translateY(-1px);
}

.action-btn.danger {
  background: rgba(244, 63, 94, 0.12);
  color: #fca5a5;
  border-color: rgba(244, 63, 94, 0.3);
}

.action-btn.danger:hover {
  background: rgba(244, 63, 94, 0.28);
  color: #fff;
  border-color: rgba(244, 63, 94, 0.5);
}

/* FLOATING BOTTOM AUDIO PLAYER WIDGET */
.floating-player-bar {
  position: fixed;
  bottom: 20px;
  left: 295px;
  right: 38px;
  height: 72px;
  background: rgba(15, 23, 42, 0.95);
  border: 1px solid rgba(139, 92, 246, 0.45);
  border-radius: 20px;
  backdrop-filter: blur(28px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  z-index: 999;
  box-shadow: 0 16px 45px rgba(0, 0, 0, 0.6), 0 0 35px rgba(139, 92, 246, 0.3);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.floating-player-bar.hidden {
  transform: translateY(120px);
  opacity: 0;
  pointer-events: none;
}

.player-left {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 200px;
}

.player-vinyl {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: linear-gradient(135deg, #8b5cf6, #ec4899);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 19px;
  box-shadow: 0 0 20px rgba(139, 92, 246, 0.6);
  transition: transform 0.3s ease;
}

.player-vinyl.playing {
  animation: spinVinyl 6s linear infinite;
}

@keyframes spinVinyl {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.player-track-info {
  overflow: hidden;
}

.track-title {
  font-size: 14px;
  font-weight: 700;
  color: #fff;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 190px;
}

.track-sub {
  font-size: 11px;
  color: var(--text-muted);
}

.player-center {
  flex: 1;
  max-width: 480px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  margin: 0 20px;
}

.player-controls {
  display: flex;
  align-items: center;
  gap: 14px;
}

.player-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 16px;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

.player-btn:hover {
  color: #fff;
}

.player-btn.primary {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: linear-gradient(135deg, #3b82f6, #8b5cf6);
  color: #fff;
  box-shadow: 0 0 18px var(--primary-glow);
}

.player-btn.primary:hover {
  transform: scale(1.1);
}

.player-time-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  font-size: 11px;
  color: var(--text-muted);
}

.player-slider {
  flex: 1;
  height: 4px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.15);
  outline: none;
  cursor: pointer;
  accent-color: #8b5cf6;
}

.player-slider.volume {
  width: 85px;
  flex: none;
}

.player-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.player-btn.close:hover {
  color: var(--accent-rose);
}

/* Modal Overlay */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(14px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-card {
  background: #0f172a;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 24px;
  width: 90%;
  max-width: 650px;
  padding: 30px;
  box-shadow: var(--shadow-modal);
}

/* Mobile Responsive */
@media (max-width: 850px) {
  .sidebar {
    width: 100%;
    height: auto;
    position: relative;
    border-right: none;
    border-bottom: 1px solid var(--border-card);
  }
  .main-workspace {
    margin-left: 0;
    width: 100%;
    padding: 20px;
  }
  .app-wrapper {
    flex-direction: column;
  }
  .floating-player-bar {
    left: 16px;
    right: 16px;
    bottom: 16px;
    padding: 0 14px;
  }
  .player-slider.volume {
    display: none;
  }
}