/* ============================================================
   SISTEMA DE DISEÑO BASE - GRABADOR DE PANTALLA Y CREADOR GIF / MP4
   ============================================================ */

:root {
  /* Paleta cromática - Modo Oscuro por defecto */
  --bg-main: #090d16;
  --bg-card: #111726;
  --bg-card-hover: #172033;
  --bg-input: #161e30;
  --bg-input-focus: #1d2840;
  --bg-elevated: #1a2337;
  --border-color: rgba(255, 255, 255, 0.08);
  --border-color-hover: rgba(255, 255, 255, 0.15);
  --border-color-focus: #38bdf8;
  
  --text-main: #f1f5f9;
  --text-muted: #94a3b8;
  --text-subtle: #64748b;
  
  --primary: #0284c7;
  --primary-hover: #0369a1;
  --primary-light: rgba(56, 189, 248, 0.12);
  --accent: #38bdf8;
  --accent-gradient: linear-gradient(135deg, #38bdf8 0%, #818cf8 100%);
  --recording-red: #ef4444;
  --recording-glow: rgba(239, 68, 68, 0.4);
  --success: #10b981;
  --success-light: rgba(16, 185, 129, 0.12);
  --warning: #f59e0b;
  --warning-light: rgba(245, 158, 11, 0.12);
  --danger: #ef4444;
  --danger-light: rgba(239, 68, 68, 0.12);

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 22px;
  
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.25);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.6);
  --shadow-glow: 0 0 25px rgba(56, 189, 248, 0.25);

  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --font-heading: 'Outfit', 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  
  --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --header-height: 70px;
}

[data-theme="light"] {
  --bg-main: #f8fafc;
  --bg-card: #ffffff;
  --bg-card-hover: #f1f5f9;
  --bg-input: #f1f5f9;
  --bg-input-focus: #ffffff;
  --bg-elevated: #ffffff;
  --border-color: rgba(0, 0, 0, 0.08);
  --border-color-hover: rgba(0, 0, 0, 0.15);
  --border-color-focus: #0284c7;

  --text-main: #0f172a;
  --text-muted: #475569;
  --text-subtle: #64748b;

  --primary: #0284c7;
  --primary-hover: #0369a1;
  --primary-light: rgba(2, 132, 199, 0.08);
  --accent: #0284c7;
  --accent-gradient: linear-gradient(135deg, #0284c7 0%, #4f46e5 100%);
  --recording-red: #dc2626;
  --recording-glow: rgba(220, 38, 38, 0.35);
  --success: #059669;
  --success-light: rgba(5, 150, 105, 0.1);
  --warning: #d97706;
  --warning-light: rgba(217, 119, 6, 0.1);
  --danger: #dc2626;
  --danger-light: rgba(220, 38, 38, 0.1);

  --shadow-sm: 0 2px 6px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 8px 20px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 16px 36px rgba(0, 0, 0, 0.12);
  --shadow-glow: 0 0 20px rgba(2, 132, 199, 0.15);
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-main);
  color: var(--text-main);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Enlaces y botones base */
a {
  color: var(--accent);
  text-decoration: none;
  transition: var(--transition);
}
a:hover {
  text-decoration: underline;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
  outline: none;
}

/* ============================================================
   CABECERA
   ============================================================ */
.app-header {
  height: var(--header-height);
  background-color: var(--bg-card);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(12px);
}

.header-container {
  max-width: 1440px;
  margin: 0 auto;
  height: 100%;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand-area {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  text-decoration: none;
  color: var(--text-main);
}
.brand-area:hover {
  text-decoration: none;
}

.brand-logo-box {
  width: 40px;
  height: 40px;
  background: var(--accent-gradient);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  box-shadow: var(--shadow-sm);
  flex-shrink: 0;
  position: relative;
}

.brand-text h1 {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.badge-free {
  font-size: 0.68rem;
  font-family: var(--font-sans);
  font-weight: 600;
  background: var(--primary-light);
  color: var(--accent);
  padding: 0.15rem 0.45rem;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(56, 189, 248, 0.25);
  text-transform: none;
}

.brand-text p {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  flex-wrap: wrap;
}

.badge-privacy {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.76rem;
  font-weight: 600;
  color: var(--success);
  background-color: var(--success-light);
  padding: 0.35rem 0.75rem;
  border-radius: 9999px;
  border: 1px solid rgba(16, 185, 129, 0.25);
  cursor: default;
}

/* ============================================================
   BOTONES Y CONTROLES FORMULARIO
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  font-weight: 500;
  padding: 0.55rem 1.1rem;
  border-radius: var(--radius-md);
  transition: var(--transition);
  white-space: nowrap;
  user-select: none;
  line-height: 1.25;
}

.btn-sm {
  font-size: 0.8rem;
  padding: 0.4rem 0.75rem;
  border-radius: var(--radius-sm);
}

.btn-lg {
  font-size: 1rem;
  font-weight: 600;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-lg);
}

.btn-primary {
  background: var(--accent-gradient);
  color: #ffffff;
  box-shadow: var(--shadow-sm);
}
.btn-primary:hover {
  opacity: 0.92;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-record {
  background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(239, 68, 68, 0.35);
}
.btn-record:hover {
  opacity: 0.95;
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(239, 68, 68, 0.5);
}

.btn-secondary {
  background-color: var(--bg-elevated);
  color: var(--text-main);
  border: 1px solid var(--border-color);
}
.btn-secondary:hover {
  background-color: var(--bg-card-hover);
  border-color: var(--border-color-hover);
}

.btn-ghost {
  color: var(--text-muted);
}
.btn-ghost:hover {
  color: var(--text-main);
  background-color: var(--bg-card-hover);
}

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

.form-select, .form-input {
  background-color: var(--bg-input);
  color: var(--text-main);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 0.45rem 0.85rem;
  font-size: 0.85rem;
  font-family: inherit;
  outline: none;
  transition: var(--transition);
}
.form-select:focus, .form-input:focus {
  border-color: var(--border-color-focus);
  box-shadow: 0 0 0 2px var(--primary-light);
}

/* ============================================================
   ESTRUCTURA PRINCIPAL Y CONTENEDOR
   ============================================================ */
.app-main {
  flex: 1;
  max-width: 1440px;
  width: 100%;
  margin: 0 auto;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

/* Barra de métricas superiores */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
}

.stat-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1rem 1.25rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  box-shadow: var(--shadow-sm);
}

.stat-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.icon-blue { background: rgba(56, 189, 248, 0.12); color: #38bdf8; }
.icon-purple { background: rgba(168, 85, 247, 0.12); color: #a855f7; }
.icon-green { background: rgba(16, 185, 129, 0.12); color: #10b981; }
.icon-amber { background: rgba(245, 158, 11, 0.12); color: #f59e0b; }

.stat-content {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.stat-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 500;
}

.stat-value {
  font-size: 1.25rem;
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.2;
}

.stat-subtext {
  font-size: 0.72rem;
  color: var(--text-subtle);
}

/* ============================================================
   PIE DE PÁGINA
   ============================================================ */
.app-footer {
  background-color: var(--bg-card);
  border-top: 1px solid var(--border-color);
  padding: 2.5rem 1.5rem;
  margin-top: auto;
}

.footer-container {
  max-width: 1440px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 2rem;
}

.footer-brand {
  max-width: 460px;
}
.footer-brand h2 {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.4rem;
}
.footer-brand p {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.footer-links {
  display: flex;
  gap: 2.5rem;
  flex-wrap: wrap;
}

.footer-col h3 {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-main);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.75rem;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.footer-col a {
  font-size: 0.82rem;
  color: var(--text-muted);
}
.footer-col a:hover {
  color: var(--accent);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-color);
  font-size: 0.78rem;
  color: var(--text-subtle);
  flex-wrap: wrap;
  gap: 1rem;
}

/* ============================================================
   UTILIDADES GENERALES
   ============================================================ */
.hide { display: none !important; }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

@media (max-width: 768px) {
  .header-container {
    padding: 0 1rem;
  }
  .app-main {
    padding: 1rem;
  }
  .footer-links {
    gap: 1.5rem;
  }
}