/*-----------------------------------*\
  # Voice Studio Alpha - Design System
  Marca: Primera Fuente
  Paleta: Obsidiana (#070A0F) | Azul Real (#0F4C81) | Cobre Cálido (#C07D3E)
\*-----------------------------------*/

:root {
  /* Colores Corporativos Primera Fuente */
  --bg-main: #070A0F;
  --bg-surface: #0E131F;
  --bg-surface-elevated: #141B2D;
  --bg-card: rgba(18, 24, 40, 0.75);
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-active: rgba(192, 125, 62, 0.4);

  --blue-primary: #0F4C81;
  --blue-light: #1A6CD3;
  --blue-glow: rgba(15, 76, 129, 0.35);

  --bronze-primary: #C07D3E;
  --bronze-light: #E5A168;
  --bronze-glow: rgba(192, 125, 62, 0.3);

  --text-primary: #F0F6FC;
  --text-secondary: #9DAEC8;
  --text-muted: #5E6E8A;
  --text-white: #FFFFFF;

  --success: #10B981;
  --danger: #EF4444;
  --warning: #F59E0B;

  /* Tipografía */
  --font-heading: 'Outfit', 'Poppins', sans-serif;
  --font-body: 'Plus Jakarta Sans', 'Poppins', sans-serif;

  /* Transiciones y Sombras */
  --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-smooth: 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  --shadow-luxury: 0 20px 40px -15px rgba(0, 0, 0, 0.6);
  --shadow-glow: 0 0 30px rgba(192, 125, 62, 0.15);
}

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

li { list-style: none; }
a { text-decoration: none; color: inherit; }
button { background: none; border: none; font: inherit; cursor: pointer; color: inherit; }
input, textarea, select { font: inherit; color: inherit; }

html {
  font-family: var(--font-body);
  background-color: var(--bg-main);
  color: var(--text-primary);
  scroll-behavior: smooth;
}

body {
  overflow-x: hidden;
  min-height: 100vh;
  background: 
    radial-gradient(circle at 15% 10%, rgba(15, 76, 129, 0.18) 0%, transparent 40%),
    radial-gradient(circle at 85% 30%, rgba(192, 125, 62, 0.12) 0%, transparent 45%),
    radial-gradient(circle at 50% 80%, rgba(15, 76, 129, 0.12) 0%, transparent 50%),
    var(--bg-main);
}

/* Scrollbar */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg-main); }
::-webkit-scrollbar-thumb {
  background: var(--bg-surface-elevated);
  border-radius: 4px;
  border: 2px solid var(--bg-main);
}
::-webkit-scrollbar-thumb:hover { background: var(--bronze-primary); }

.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Componentes Comunes */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: rgba(192, 125, 62, 0.12);
  border: 1px solid rgba(192, 125, 62, 0.35);
  border-radius: 999px;
  color: var(--bronze-light);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}
.badge-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: var(--bronze-primary);
  box-shadow: 0 0 8px var(--bronze-primary);
  animation: pulseDot 2s infinite;
}
@keyframes pulseDot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.85); }
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 28px;
  background: linear-gradient(135deg, var(--blue-primary) 0%, #153E6B 100%);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: var(--text-white);
  border-radius: 12px;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  box-shadow: 0 8px 20px -6px var(--blue-glow);
  transition: all var(--transition-fast);
}
.btn-primary:hover {
  transform: translateY(-2px);
  background: linear-gradient(135deg, var(--blue-light) 0%, var(--blue-primary) 100%);
  box-shadow: 0 12px 25px -4px var(--blue-glow);
}

.btn-bronze {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 28px;
  background: linear-gradient(135deg, var(--bronze-primary) 0%, #9B5E28 100%);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #FFFFFF;
  border-radius: 12px;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  box-shadow: 0 8px 20px -6px var(--bronze-glow);
  transition: all var(--transition-fast);
}
.btn-bronze:hover {
  transform: translateY(-2px);
  background: linear-gradient(135deg, var(--bronze-light) 0%, var(--bronze-primary) 100%);
  box-shadow: 0 12px 25px -4px var(--bronze-glow);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  border-radius: 12px;
  font-weight: 500;
  font-size: 0.92rem;
  transition: all var(--transition-fast);
}
.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.09);
  border-color: rgba(255, 255, 255, 0.2);
  color: var(--text-white);
}

/* Header */
header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  background: rgba(7, 10, 15, 0.85);
  border-bottom: 1px solid var(--border-subtle);
  padding: 16px 0;
  transition: all var(--transition-smooth);
}
header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo-container {
  display: flex;
  align-items: center;
  gap: 14px;
}
.logo-img {
  height: 48px;
  width: auto;
  border-radius: 8px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
}
.logo-text {
  display: flex;
  flex-direction: column;
}
.logo-text .brand-title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.3px;
  color: var(--text-white);
}
.logo-text .brand-subtitle {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--bronze-light);
}

.navbar {
  display: flex;
  align-items: center;
  gap: 32px;
}
.navbar-list {
  display: flex;
  align-items: center;
  gap: 28px;
}
.navbar-link {
  font-size: 0.92rem;
  color: var(--text-secondary);
  font-weight: 500;
  transition: color var(--transition-fast);
}
.navbar-link:hover {
  color: var(--bronze-light);
}
.nav-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}
.user-status-pill {
  display: none;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.3);
  border-radius: 999px;
  font-size: 0.8rem;
  color: #34D399;
}
.user-status-pill.active {
  display: inline-flex;
}
.user-status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #10B981;
}

/* Hero Section */
.hero {
  padding: 80px 0 60px 0;
  text-align: center;
  position: relative;
}
.hero-content {
  max-width: 860px;
  margin: 0 auto;
}
.hero-title {
  font-family: var(--font-heading);
  font-size: 3.4rem;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -1px;
  margin: 20px 0 18px 0;
  background: linear-gradient(135deg, #FFFFFF 0%, #D8E2F2 60%, #9EB5D6 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero-title span.accent {
  background: linear-gradient(135deg, var(--bronze-light) 0%, var(--bronze-primary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero-desc {
  font-size: 1.15rem;
  color: var(--text-secondary);
  line-height: 1.6;
  max-width: 700px;
  margin: 0 auto 36px auto;
}
.hero-cta-group {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 16px;
  margin-bottom: 48px;
}

/* Feature Highlights Grid */
.highlights-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  max-width: 1080px;
  margin: 0 auto 60px auto;
}
.highlight-item {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  padding: 20px;
  text-align: left;
  transition: all var(--transition-fast);
}
.highlight-item:hover {
  border-color: rgba(192, 125, 62, 0.4);
  transform: translateY(-3px);
}
.highlight-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: rgba(15, 76, 129, 0.2);
  border: 1px solid rgba(15, 76, 129, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  margin-bottom: 12px;
  color: var(--bronze-light);
}
.highlight-item h4 {
  font-family: var(--font-heading);
  font-size: 0.98rem;
  font-weight: 700;
  color: var(--text-white);
  margin-bottom: 4px;
}
.highlight-item p {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.4;
}

/* =========================================
   STUDIO SUITE - INTERFAZ DEL ESTUDIO
   ========================================= */
.studio-section {
  padding: 60px 0 100px 0;
  position: relative;
}
.studio-container {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 28px;
  box-shadow: var(--shadow-luxury);
  overflow: hidden;
  position: relative;
}

/* Studio Header / Status Bar */
.studio-topbar {
  padding: 20px 32px;
  background: var(--bg-surface-elevated);
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.studio-title-box {
  display: flex;
  align-items: center;
  gap: 12px;
}
.studio-title {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-white);
}
.studio-user-badge {
  display: flex;
  align-items: center;
  gap: 16px;
}
.studio-user-badge span.session-label {
  font-size: 0.85rem;
  color: var(--text-secondary);
}
.studio-user-badge strong {
  color: var(--bronze-light);
}

/* Modal de Login (Puerta de Acceso) */
.login-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(7, 10, 15, 0.94);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}
.login-overlay.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}
.login-card {
  max-width: 440px;
  width: 100%;
  background: var(--bg-surface);
  border: 1px solid rgba(192, 125, 62, 0.35);
  border-radius: 24px;
  padding: 40px;
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.8);
  text-align: center;
  position: relative;
}
.login-lock-icon {
  width: 68px;
  height: 68px;
  margin: 0 auto 20px auto;
  border-radius: 20px;
  background: rgba(15, 76, 129, 0.2);
  border: 1px solid var(--blue-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: var(--bronze-light);
  box-shadow: 0 0 25px rgba(15, 76, 129, 0.3);
}
.login-title {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-white);
}
.login-subtitle {
  font-size: 0.88rem;
  color: var(--text-secondary);
  margin-bottom: 28px;
  line-height: 1.5;
}
.form-group {
  text-align: left;
  margin-bottom: 20px;
}
.form-label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-secondary);
  margin-bottom: 8px;
}
.form-input {
  width: 100%;
  padding: 13px 16px;
  background: var(--bg-main);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  color: var(--text-white);
  font-size: 0.95rem;
  transition: all var(--transition-fast);
}
.form-input:focus {
  outline: none;
  border-color: var(--bronze-primary);
  box-shadow: 0 0 0 3px rgba(192, 125, 62, 0.2);
}
.form-options {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  font-size: 0.85rem;
  color: var(--text-secondary);
}
.remember-me {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
}
.remember-me input {
  accent-color: var(--bronze-primary);
  cursor: pointer;
}
.login-error-msg {
  display: none;
  padding: 10px 14px;
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid rgba(239, 68, 68, 0.3);
  border-radius: 8px;
  color: #F87171;
  font-size: 0.82rem;
  margin-bottom: 18px;
  text-align: left;
}

/* Studio Workspace Grid */
.studio-grid {
  display: grid;
  grid-template-columns: 360px 1fr;
  min-height: 680px;
}

/* Panel Izquierdo: Voice Vault */
.voice-vault-panel {
  background: rgba(14, 19, 31, 0.8);
  border-right: 1px solid var(--border-subtle);
  padding: 28px;
  display: flex;
  flex-direction: column;
}
.vault-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}
.vault-title {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-white);
}
.vault-count {
  font-size: 0.78rem;
  padding: 2px 10px;
  background: rgba(192, 125, 62, 0.15);
  border: 1px solid rgba(192, 125, 62, 0.3);
  color: var(--bronze-light);
  border-radius: 999px;
  font-weight: 600;
}

/* Vault Tabs & Creators */
.vault-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
  background: var(--bg-main);
  padding: 4px;
  border-radius: 10px;
}
.vault-tab-btn {
  flex: 1;
  padding: 8px 12px;
  font-size: 0.82rem;
  font-weight: 600;
  border-radius: 8px;
  color: var(--text-muted);
  text-align: center;
  transition: all var(--transition-fast);
}
.vault-tab-btn.active {
  background: var(--bg-surface-elevated);
  color: var(--bronze-light);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.recorder-box, .uploader-box {
  background: var(--bg-main);
  border: 1px dashed rgba(255, 255, 255, 0.15);
  border-radius: 14px;
  padding: 18px;
  margin-bottom: 20px;
  text-align: center;
  transition: border-color var(--transition-fast);
}
.recorder-box:hover, .uploader-box:hover {
  border-color: var(--bronze-primary);
}
.recorder-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-top: 12px;
}
.rec-btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--blue-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: white;
  transition: all var(--transition-fast);
}
.rec-btn.recording {
  background: var(--danger);
  animation: pulseRecording 1.5s infinite;
}
@keyframes pulseRecording {
  0%, 100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.6); }
  50% { transform: scale(1.08); box-shadow: 0 0 0 10px rgba(239, 68, 68, 0); }
}
.rec-timer {
  font-family: monospace;
  font-size: 1.1rem;
  color: var(--bronze-light);
  font-weight: 700;
}

/* Vault List */
.voice-list {
  flex: 1;
  overflow-y: auto;
  padding-right: 4px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-height: 380px;
}
.voice-card {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: 14px;
  padding: 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  transition: all var(--transition-fast);
}
.voice-card:hover {
  border-color: rgba(192, 125, 62, 0.3);
  transform: translateX(3px);
}
.voice-card.selected {
  border-color: var(--bronze-primary);
  background: rgba(192, 125, 62, 0.08);
  box-shadow: 0 4px 15px rgba(192, 125, 62, 0.12);
}
.voice-info {
  display: flex;
  align-items: center;
  gap: 12px;
}
.voice-avatar {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--blue-primary), #0A2540);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: var(--bronze-light);
}
.voice-meta h5 {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-white);
  margin-bottom: 2px;
}
.voice-meta span {
  font-size: 0.72rem;
  color: var(--text-muted);
}
.voice-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}
.icon-btn-sm {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.05);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}
.icon-btn-sm:hover {
  background: var(--bronze-primary);
  color: white;
}

/* Panel Derecho: Synthesis Console */
.synthesis-panel {
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 28px;
  background: var(--bg-surface);
}

/* Prompt Box */
.script-box-container {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.script-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.script-title {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-white);
  display: flex;
  align-items: center;
  gap: 8px;
}
.quick-samples {
  display: flex;
  gap: 8px;
}
.sample-pill {
  font-size: 0.74rem;
  padding: 4px 10px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  border-radius: 6px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}
.sample-pill:hover {
  border-color: var(--bronze-primary);
  color: var(--bronze-light);
}
.script-textarea {
  width: 100%;
  min-height: 140px;
  padding: 16px;
  background: var(--bg-main);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  color: var(--text-white);
  font-size: 0.98rem;
  line-height: 1.6;
  resize: vertical;
  transition: all var(--transition-fast);
}
.script-textarea:focus {
  outline: none;
  border-color: var(--blue-primary);
  box-shadow: 0 0 0 3px rgba(15, 76, 129, 0.25);
}
.script-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Controls Grid */
.controls-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  background: var(--bg-surface-elevated);
  padding: 18px 24px;
  border-radius: 16px;
  border: 1px solid var(--border-subtle);
}
.control-item {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.control-label {
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
}
.control-label span.val {
  color: var(--bronze-light);
  font-family: monospace;
}
.range-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 6px;
  background: var(--bg-main);
  border-radius: 4px;
  outline: none;
}
.range-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--bronze-primary);
  cursor: pointer;
  box-shadow: 0 0 10px rgba(192, 125, 62, 0.5);
}

/* Master Player & 10 Min Countdown Bar */
.master-output-card {
  background: linear-gradient(180deg, var(--bg-surface-elevated) 0%, #0D121D 100%);
  border: 1px solid var(--border-active);
  border-radius: 20px;
  padding: 24px;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-glow);
}
.ttl-timer-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 20px;
}
.ttl-info {
  display: flex;
  align-items: center;
  gap: 12px;
}
.ttl-clock-icon {
  font-size: 1.4rem;
  color: var(--bronze-light);
  animation: clockTick 1s infinite alternate;
}
@keyframes clockTick {
  from { transform: rotate(-5deg); }
  to { transform: rotate(5deg); }
}
.ttl-timer-digits {
  font-family: monospace;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--bronze-light);
  letter-spacing: 2px;
  background: rgba(192, 125, 62, 0.12);
  padding: 4px 14px;
  border-radius: 8px;
  border: 1px solid rgba(192, 125, 62, 0.3);
}
.ttl-note {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Audio Waveform Canvas */
.waveform-box {
  height: 80px;
  width: 100%;
  background: var(--bg-main);
  border-radius: 12px;
  margin-bottom: 18px;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
#waveformCanvas {
  width: 100%;
  height: 100%;
}
.waveform-placeholder-text {
  position: absolute;
  font-size: 0.85rem;
  color: var(--text-muted);
  pointer-events: none;
}

/* Player Controls & Downloads */
.player-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.playback-controls {
  display: flex;
  align-items: center;
  gap: 14px;
}
.play-pause-btn {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--bronze-primary), #A6652B);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  box-shadow: 0 6px 18px rgba(192, 125, 62, 0.4);
  transition: transform var(--transition-fast);
}
.play-pause-btn:hover {
  transform: scale(1.06);
}
.audio-time-label {
  font-family: monospace;
  font-size: 0.88rem;
  color: var(--text-secondary);
}

.download-btn-group {
  display: flex;
  gap: 10px;
}
.btn-dl {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: 10px;
  font-size: 0.85rem;
  font-weight: 600;
  transition: all var(--transition-fast);
}
.btn-dl-wav {
  background: var(--blue-primary);
  color: white;
  border: 1px solid rgba(255, 255, 255, 0.15);
}
.btn-dl-wav:hover {
  background: var(--blue-light);
}
.btn-dl-mp3 {
  background: rgba(192, 125, 62, 0.2);
  color: var(--bronze-light);
  border: 1px solid var(--bronze-primary);
}
.btn-dl-mp3:hover {
  background: var(--bronze-primary);
  color: white;
}
.btn-dl:disabled {
  opacity: 0.35;
  cursor: not-allowed;
  pointer-events: none;
}

/* Overview & Security Sections */
.info-section {
  padding: 80px 0;
  border-top: 1px solid var(--border-subtle);
}
.info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}
.info-content h2 {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 800;
  margin-bottom: 16px;
  color: var(--text-white);
  line-height: 1.25;
}
.info-content p {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 24px;
}
.security-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.security-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}
.sec-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: rgba(15, 76, 129, 0.25);
  border: 1px solid var(--blue-primary);
  color: var(--bronze-light);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.security-item h5 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-white);
  margin-bottom: 2px;
}
.security-item p {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 0;
}
.info-banner-box {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: 24px;
  padding: 30px;
  box-shadow: var(--shadow-luxury);
  text-align: center;
}
.info-banner-box img {
  width: 100%;
  height: auto;
  border-radius: 16px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

/* Footer */
footer {
  background: #04060A;
  border-top: 1px solid var(--border-subtle);
  padding: 60px 0 30px 0;
}
.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer-brand p {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-top: 14px;
  max-width: 360px;
  line-height: 1.6;
}
.footer-col h5 {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-white);
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-col a {
  font-size: 0.86rem;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}
.footer-col a:hover {
  color: var(--bronze-light);
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* Toast Notification */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.toast {
  padding: 14px 20px;
  border-radius: 12px;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  color: var(--text-white);
  font-size: 0.9rem;
  box-shadow: 0 10px 30px rgba(0,0,0,0.6);
  display: flex;
  align-items: center;
  gap: 12px;
  animation: slideToast 0.3s ease forwards;
}
.toast.success { border-color: rgba(16, 185, 129, 0.5); }
.toast.error { border-color: rgba(239, 68, 68, 0.5); }
.toast.warning { border-color: rgba(245, 158, 11, 0.5); }
@keyframes slideToast {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Responsive */
@media (max-width: 992px) {
  .highlights-bar { grid-template-columns: repeat(2, 1fr); }
  .studio-grid { grid-template-columns: 1fr; }
  .voice-vault-panel { border-right: none; border-bottom: 1px solid var(--border-subtle); }
  .info-grid { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; }
  .hero-title { font-size: 2.6rem; }
}

@media (max-width: 640px) {
  .highlights-bar { grid-template-columns: 1fr; }
  .controls-grid { grid-template-columns: 1fr; }
  .player-toolbar { flex-direction: column; align-items: stretch; }
  .hero-title { font-size: 2.1rem; }
  .hero-cta-group { flex-direction: column; }
}