/* ============================================================
   PavimentosAI — Premium Dark-Mode Design System v2
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Space+Grotesk:wght@400;500;600;700;800&display=swap');

/* ============================================================
   CSS CUSTOM PROPERTIES (Design Tokens)
   ============================================================ */
:root {
  /* Base Colors - Professional Slate/Navy */
  --bg-primary:       #0b1121;
  --bg-secondary:     #111827;
  --bg-card:          #1e293b;
  --bg-card-hover:    #334155;
  --bg-glass:         rgba(255,255,255,0.02);
  --bg-glass-hover:   rgba(255,255,255,0.05);
  --bg-input:         #0f172a;

  --border-subtle:    rgba(255,255,255,0.06);
  --border-medium:    rgba(255,255,255,0.12);
  --border-strong:    rgba(255,255,255,0.20);
  --border-glow:      rgba(0,229,255,0.3);

  /* Predefined Font Colors */
  --text-primary:     #f8fafc;
  --text-secondary:   #94a3b8;
  --text-muted:       #64748b;
  --text-accent:      #38bdf8;

  /* Accent Colors */
  --accent-cyan:      #00e5ff;
  --accent-cyan-dim:  rgba(0,229,255,0.08);
  --accent-cyan-glow: rgba(0,229,255,0.2);
  --accent-blue:      #4f8ef7;
  --accent-green:     #00f5a0;
  --accent-orange:    #ff8c00;
  --accent-red:       #ff4757;
  --accent-purple:    #b06ef3;
  --accent-yellow:    #ffd166;

  /* Category Colors */
  --cat-concreto:     #c0763a;
  --cat-micro:        #607d8b;
  --cat-spray:        #0288d1;
  --cat-piscina:      #00897b;

  /* Gradients */
  --grad-hero:        linear-gradient(135deg, #070a0e 0%, #0c1620 50%, #07100f 100%);
  --grad-card:        linear-gradient(145deg, #111620 0%, #0c1118 100%);
  --grad-cyan:        linear-gradient(135deg, #00e5ff, #4f8ef7);
  --grad-green:       linear-gradient(135deg, #00f5a0, #00b86c);
  --grad-warm:        linear-gradient(135deg, #ff8c00, #c0763a);
  --grad-purple:      linear-gradient(135deg, #b06ef3, #7c3aed);
  --grad-sidebar:     linear-gradient(180deg, #0c1018 0%, #08111a 100%);

  /* Shadows */
  --shadow-xs:        0 1px 4px rgba(0,0,0,0.3);
  --shadow-sm:        0 2px 12px rgba(0,0,0,0.5);
  --shadow-md:        0 6px 24px rgba(0,0,0,0.55);
  --shadow-lg:        0 12px 48px rgba(0,0,0,0.65);
  --shadow-xl:        0 20px 60px rgba(0,0,0,0.7);
  --shadow-glow-cyan: 0 0 40px rgba(0,229,255,0.18), 0 0 80px rgba(0,229,255,0.07);
  --shadow-glow-green:0 0 40px rgba(0,245,160,0.18), 0 0 80px rgba(0,245,160,0.07);
  --shadow-glow-purple:0 0 40px rgba(176,110,243,0.18);

  /* Typography */
  --font-display:     'Space Grotesk', system-ui, sans-serif;
  --font-body:        'Inter', system-ui, sans-serif;

  /* Spacing */
  --radius-xs:        4px;
  --radius-sm:        6px;
  --radius-md:        10px;
  --radius-lg:        16px;
  --radius-xl:        20px;
  --radius-2xl:       28px;
  --radius-full:      9999px;

  /* Transitions */
  --trans-fast:       all 0.15s ease;
  --trans-med:        all 0.25s cubic-bezier(0.4,0,0.2,1);
  --trans-slow:       all 0.4s cubic-bezier(0.4,0,0.2,1);
  --trans-bounce:     all 0.35s cubic-bezier(0.34,1.4,0.64,1);

  /* Sidebar */
  --sidebar-width:    268px;
}

/* ============================================================
   RESET & BASE
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-size: 14px;
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  background-image:
    radial-gradient(ellipse at top right, rgba(56, 189, 248, 0.08) 0%, transparent 50%),
    radial-gradient(ellipse at bottom left, rgba(176, 110, 243, 0.06) 0%, transparent 50%),
    linear-gradient(180deg, var(--bg-primary) 0%, #080d1a 100%);
  background-attachment: fixed;
}

/* ============================================================
   TYPOGRAPHY PREDEFINED CLASSES
   ============================================================ */
.text-primary    { color: var(--text-primary) !important; }
.text-secondary  { color: var(--text-secondary) !important; }
.text-muted      { color: var(--text-muted) !important; }
.text-accent     { color: var(--text-accent) !important; }

.text-blue       { color: var(--accent-blue) !important; }
.text-green      { color: var(--accent-green) !important; }
.text-orange     { color: var(--accent-orange) !important; }
.text-red        { color: var(--accent-red) !important; }
.text-purple     { color: var(--accent-purple) !important; }

.text-grad-cyan {
  background: var(--grad-cyan);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.text-grad-purple {
  background: var(--grad-purple);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.text-grad-green {
  background: var(--grad-green);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

a { color: var(--accent-cyan); text-decoration: none; transition: var(--trans-fast); }
a:hover { color: #fff; }

img, video { max-width: 100%; display: block; }

/* ============================================================
   SCROLLBAR
   ============================================================ */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: rgba(255,255,255,0.1);
  border-radius: var(--radius-full);
}
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.2); }

/* ============================================================
   PAGE ENTRY ANIMATIONS
   ============================================================ */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(18px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.page-content > * {
  animation: fadeUp 0.45s cubic-bezier(0.4,0,0.2,1) both;
}
.page-content > *:nth-child(1) { animation-delay: 0.05s; }
.page-content > *:nth-child(2) { animation-delay: 0.1s; }
.page-content > *:nth-child(3) { animation-delay: 0.15s; }
.page-content > *:nth-child(4) { animation-delay: 0.2s; }
.page-content > *:nth-child(5) { animation-delay: 0.25s; }

/* ============================================================
   LAYOUT
   ============================================================ */
.app-wrapper { display: flex; min-height: 100vh; }

/* ============================================================
   SIDEBAR
   ============================================================ */
.sidebar {
  width: var(--sidebar-width);
  min-height: 100vh;
  background: var(--grad-sidebar);
  border-right: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 100;
  transition: var(--trans-slow);
  overflow: hidden;
}

.sidebar::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0,229,255,0.4), transparent);
  opacity: 0.6;
}

.sidebar::after {
  content: '';
  position: absolute;
  top: 60px; left: -1px;
  width: 2px;
  height: 160px;
  background: linear-gradient(180deg, transparent, var(--accent-cyan), transparent);
  opacity: 0.2;
  pointer-events: none;
}

.sidebar-logo {
  padding: 20px 18px 16px;
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  gap: 12px;
}

.sidebar-logo .logo-icon-wrap {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, rgba(0,229,255,0.14), rgba(79,142,247,0.1));
  border: 1px solid rgba(0,229,255,0.18);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
  box-shadow: 0 0 16px rgba(0,229,255,0.08);
}

.sidebar-logo > .logo-icon:first-child {
  font-size: 26px;
  margin-bottom: 5px;
}

.sidebar-logo h1 {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.4px;
}

.sidebar-logo .logo-sub {
  font-size: 10px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1.2px;
  margin-top: 2px;
  font-weight: 500;
}

.sidebar-nav {
  flex: 1;
  padding: 12px 10px;
  overflow-y: auto;
  overflow-x: hidden;
}

.nav-section-title {
  font-size: 9.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--text-muted);
  padding: 14px 10px 6px;
  margin-bottom: 2px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 500;
  transition: var(--trans-fast);
  margin-bottom: 1px;
  cursor: pointer;
  position: relative;
  white-space: nowrap;
  overflow: hidden;
}

.nav-item::before {
  content: '';
  position: absolute;
  left: 0; top: 50%;
  transform: translateY(-50%) scaleY(0);
  width: 3px;
  height: 60%;
  background: var(--accent-cyan);
  border-radius: 0 3px 3px 0;
  transition: transform 0.2s ease;
}

.nav-item:hover {
  background: rgba(255,255,255,0.05);
  color: var(--text-primary);
  transform: translateX(2px);
}

.nav-item.active {
  background: linear-gradient(90deg, rgba(0,229,255,0.1), rgba(0,229,255,0.04));
  color: var(--accent-cyan);
  border: 1px solid rgba(0,229,255,0.12);
}

.nav-item.active::before {
  transform: translateY(-50%) scaleY(1);
}

.nav-item .nav-icon {
  font-size: 15px;
  width: 20px;
  text-align: center;
  flex-shrink: 0;
}

/* Balance Widget */
.sidebar-balance {
  padding: 12px;
  border-top: 1px solid var(--border-subtle);
}

.balance-card {
  background: linear-gradient(135deg, rgba(0,229,255,0.07), rgba(79,142,247,0.06));
  border: 1px solid rgba(0,229,255,0.14);
  border-radius: var(--radius-lg);
  padding: 14px 16px;
  position: relative;
  overflow: hidden;
}

.balance-card::before {
  content: '';
  position: absolute;
  top: -30px; right: -20px;
  width: 90px; height: 90px;
  background: radial-gradient(circle, rgba(0,229,255,0.1), transparent 70%);
  pointer-events: none;
}

.balance-label {
  font-size: 10px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 600;
}

.balance-amount {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 800;
  background: var(--grad-cyan);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin: 3px 0;
  line-height: 1.1;
}

.balance-currency {
  font-size: 10.5px;
  color: var(--text-muted);
  font-weight: 500;
}

/* ============================================================
   MAIN CONTENT
   ============================================================ */
.main-content {
  margin-left: var(--sidebar-width);
  flex: 1;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ============================================================
   TOPBAR
   ============================================================ */
.topbar {
  height: 62px;
  background: rgba(7,10,14,0.75);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 28px;
  position: sticky;
  top: 0;
  z-index: 50;
}

.topbar::after {
  content: '';
  position: absolute;
  bottom: -1px; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, rgba(0,229,255,0.15) 40%, rgba(79,142,247,0.15) 60%, transparent 100%);
}

.topbar-title {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.2px;
}

.topbar-actions {
  display: flex;
  gap: 8px;
  align-items: center;
}

.page-content { padding: 28px; flex: 1; }

/* ============================================================
   CARDS
   ============================================================ */
.card {
  background: var(--bg-card);
  background-image: linear-gradient(145deg, rgba(255,255,255,0.025) 0%, transparent 50%);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 24px;
  transition: var(--trans-med);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.08), transparent);
}

.card:hover {
  border-color: var(--border-medium);
  background-image: linear-gradient(145deg, rgba(255,255,255,0.035) 0%, transparent 50%);
}

.card-sm {
  padding: 16px;
  border-radius: var(--radius-lg);
}

.card-glass {
  background: rgba(17,22,32,0.6);
  backdrop-filter: blur(24px) saturate(140%);
  -webkit-backdrop-filter: blur(24px) saturate(140%);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-xl);
  padding: 24px;
}

/* ============================================================
   STAT CARDS
   ============================================================ */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(175px, 1fr));
  gap: 14px;
  margin-bottom: 28px;
}

.stat-card {
  background: var(--bg-card);
  background-image: var(--grad-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  transition: var(--trans-slow);
  position: relative;
  overflow: hidden;
  cursor: default;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--stat-color, var(--grad-cyan));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s cubic-bezier(0.4,0,0.2,1);
}

.stat-card::after {
  content: '';
  position: absolute;
  top: -20px; right: -20px;
  width: 80px; height: 80px;
  background: radial-gradient(circle, var(--stat-glow, rgba(0,229,255,0.1)), transparent 70%);
  opacity: 0;
  transition: opacity 0.35s ease;
  pointer-events: none;
}

.stat-card:hover::before { transform: scaleX(1); }
.stat-card:hover::after  { opacity: 1; }
.stat-card:hover {
  border-color: var(--border-medium);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.stat-card:nth-child(1) { --stat-color: var(--grad-cyan); --stat-glow: rgba(0,229,255,0.12); }
.stat-card:nth-child(2) { --stat-color: var(--grad-green); --stat-glow: rgba(0,245,160,0.12); }
.stat-card:nth-child(3) { --stat-color: linear-gradient(135deg, #ffd166, #ff8c00); --stat-glow: rgba(255,165,0,0.12); }
.stat-card:nth-child(4) { --stat-color: var(--grad-cyan); --stat-glow: rgba(0,229,255,0.12); }
.stat-card:nth-child(5) { --stat-color: var(--grad-purple); --stat-glow: rgba(176,110,243,0.12); }

.stat-icon { font-size: 24px; margin-bottom: 2px; }

.stat-value {
  font-family: var(--font-display);
  font-size: 30px;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1;
  letter-spacing: -1px;
}

.stat-label {
  font-size: 11.5px;
  color: var(--text-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* ============================================================
   CATEGORY CARDS
   ============================================================ */
.category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
  margin-bottom: 32px;
}

.category-card {
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-xl);
  padding: 22px;
  cursor: pointer;
  transition: var(--trans-slow);
  position: relative;
  overflow: hidden;
}

.category-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.12), transparent);
}

.category-card::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(135deg, rgba(255,255,255,0.05), transparent);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.category-card:hover {
  transform: translateY(-5px) scale(1.01);
  box-shadow: var(--shadow-lg), 0 0 0 1px rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.15);
}

.category-card:hover::after { opacity: 1; }

.category-card.selected {
  box-shadow: var(--shadow-glow-cyan), 0 0 0 1px var(--accent-cyan);
  border-color: rgba(0,229,255,0.4) !important;
}

.cat-icon {
  font-size: 34px;
  margin-bottom: 10px;
  display: block;
  filter: drop-shadow(0 2px 6px rgba(0,0,0,0.4));
}

.cat-name {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 5px;
  letter-spacing: -0.2px;
}

.cat-desc {
  font-size: 12px;
  color: rgba(255,255,255,0.55);
  line-height: 1.5;
}

.cat-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  margin-top: 14px;
  padding: 4px 10px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-full);
  font-size: 11px;
  color: rgba(255,255,255,0.75);
  font-weight: 600;
  backdrop-filter: blur(8px);
}

/* ============================================================
   PROMPT PREVIEW BOX
   ============================================================ */
.prompt-preview-box {
  background: rgba(0,229,255,0.025);
  border: 1px solid rgba(0,229,255,0.12);
  border-radius: var(--radius-lg);
  padding: 18px 20px;
  position: relative;
  min-height: 110px;
  transition: var(--trans-med);
}

.prompt-preview-box:hover {
  border-color: rgba(0,229,255,0.2);
  background: rgba(0,229,255,0.04);
}

.prompt-preview-box .prompt-text {
  font-family: 'Space Grotesk', monospace;
  font-size: 12.5px;
  color: var(--accent-cyan);
  line-height: 1.75;
  white-space: pre-wrap;
  word-break: break-word;
}

.prompt-placeholder {
  color: var(--text-muted);
  font-style: italic;
  font-size: 13px;
}

.prompt-actions {
  display: flex;
  gap: 8px;
  margin-top: 12px;
  flex-wrap: wrap;
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 9px 17px;
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: var(--trans-fast);
  text-decoration: none;
  white-space: nowrap;
  letter-spacing: 0.1px;
}

.btn-primary {
  background: var(--grad-cyan);
  color: #040b0e;
  box-shadow: 0 3px 14px rgba(0,229,255,0.22), inset 0 1px 0 rgba(255,255,255,0.2);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 28px rgba(0,229,255,0.38), inset 0 1px 0 rgba(255,255,255,0.2);
  color: #040b0e;
}

.btn-primary:active { transform: translateY(0); }
.btn-primary:disabled { opacity: 0.45; cursor: not-allowed; transform: none; box-shadow: none; }

.btn-success {
  background: var(--grad-green);
  color: #021a10;
  box-shadow: 0 3px 14px rgba(0,245,160,0.2), inset 0 1px 0 rgba(255,255,255,0.2);
}
.btn-success:hover { transform: translateY(-1px); box-shadow: 0 6px 28px rgba(0,245,160,0.32); color: #021a10; }

.btn-warning { background: linear-gradient(135deg, #ff8c00, #d97400); color: #1a0800; }
.btn-warning:hover { transform: translateY(-1px); color: #1a0800; }

.btn-danger { background: linear-gradient(135deg, #ff4757, #c0392b); color: #fff; }
.btn-danger:hover { transform: translateY(-1px); color: #fff; }

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border-medium);
}
.btn-ghost:hover { background: rgba(255,255,255,0.05); color: var(--text-primary); border-color: var(--border-strong); }

.btn-sm { padding: 5px 12px; font-size: 12px; border-radius: var(--radius-sm); }
.btn-lg { padding: 13px 30px; font-size: 15px; border-radius: var(--radius-lg); }
.btn-block { width: 100%; justify-content: center; }

/* Generate AI Button */
.btn-generate {
  background: linear-gradient(135deg, #00e5ff 0%, #4f8ef7 50%, #b06ef3 100%);
  color: #fff;
  font-size: 15px;
  padding: 14px 28px;
  border-radius: var(--radius-lg);
  font-weight: 700;
  box-shadow: 0 4px 24px rgba(0,229,255,0.28), inset 0 0 0 1px rgba(255,255,255,0.08), 0 0 60px rgba(176,110,243,0.12);
  position: relative;
  overflow: hidden;
  letter-spacing: 0.2px;
  animation: pulse-glow 3s ease-in-out infinite;
}

.btn-generate::before {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 50%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.15), transparent);
  transition: left 0.6s ease;
}

.btn-generate:hover { transform: translateY(-2px); color: #fff; }
.btn-generate:hover::before { left: 150%; }

.btn-generate::after {
  content: '';
  position: absolute;
  inset: -2px;
  background: linear-gradient(135deg, #00e5ff, #4f8ef7, #b06ef3);
  border-radius: inherit;
  z-index: -1;
  filter: blur(10px);
  opacity: 0;
  transition: opacity 0.3s ease;
}
.btn-generate:hover::after { opacity: 0.5; }

@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 4px 24px rgba(0,229,255,0.28), inset 0 0 0 1px rgba(255,255,255,0.08), 0 0 60px rgba(176,110,243,0.12); }
  50%       { box-shadow: 0 4px 36px rgba(0,229,255,0.45), inset 0 0 0 1px rgba(255,255,255,0.12), 0 0 80px rgba(176,110,243,0.22); }
}

/* ============================================================
   FORMS
   ============================================================ */
.form-group { margin-bottom: 18px; }

.form-label {
  display: block;
  font-size: 11px;
  font-weight: 700;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  margin-bottom: 7px;
}

.form-control {
  width: 100%;
  padding: 10px 14px;
  background: var(--bg-input);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 13.5px;
  transition: var(--trans-fast);
  outline: none;
  appearance: none;
}

.form-control:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 0 3px rgba(0,229,255,0.08), 0 0 0 1px var(--accent-cyan);
  background: rgba(0,20,25,0.8);
}

.form-control:hover:not(:focus) { border-color: var(--border-strong); }
.form-control::placeholder { color: var(--text-muted); font-size: 13px; }

textarea.form-control {
  resize: vertical;
  min-height: 80px;
  font-family: 'Space Grotesk', monospace;
  font-size: 13px;
  line-height: 1.65;
}

select.form-control {
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath fill='%238892a4' d='M5 6L0 0h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 38px;
}

.form-hint {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 5px;
}

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 640px) { .form-row { grid-template-columns: 1fr; } }

/* ============================================================
   TABLE
   ============================================================ */
.table-wrapper {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  background: var(--bg-card);
}

table { width: 100%; border-collapse: collapse; font-size: 13px; }

thead th {
  background: rgba(255,255,255,0.02);
  padding: 11px 16px;
  text-align: left;
  font-size: 10.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border-subtle);
  white-space: nowrap;
}

tbody td {
  padding: 13px 16px;
  border-bottom: 1px solid rgba(255,255,255,0.03);
  color: var(--text-secondary);
  vertical-align: middle;
}

tbody tr { transition: var(--trans-fast); }
tbody tr:hover { background: rgba(255,255,255,0.025); }
tbody tr:hover td { color: var(--text-primary); }
tbody tr:last-child td { border-bottom: none; }

/* ============================================================
   STATUS BADGES
   ============================================================ */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 9px;
  border-radius: var(--radius-full);
  font-size: 10.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  border: 1px solid transparent;
}

.badge-pendiente  { background: rgba(255,255,255,0.05); color: var(--text-muted); border-color: rgba(255,255,255,0.06); }
.badge-procesando { background: rgba(255,165,0,0.1); color: #ffa500; border-color: rgba(255,165,0,0.2); animation: blink 1.8s ease-in-out infinite; }
.badge-completado { background: rgba(0,245,160,0.1); color: var(--accent-green); border-color: rgba(0,245,160,0.2); }
.badge-error      { background: rgba(255,71,87,0.1); color: var(--accent-red); border-color: rgba(255,71,87,0.2); }

.badge-dot { width: 5px; height: 5px; border-radius: 50%; background: currentColor; flex-shrink: 0; }

@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0.45; } }

/* ============================================================
   VIDEO PLAYER
   ============================================================ */
.video-player {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: #000;
  aspect-ratio: 16/9;
  position: relative;
  box-shadow: var(--shadow-md);
}

.video-player video { width: 100%; height: 100%; object-fit: cover; }

.video-placeholder {
  aspect-ratio: 16/9;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px dashed var(--border-medium);
  color: var(--text-muted);
  gap: 10px;
  transition: var(--trans-med);
}

.video-placeholder:hover { border-color: var(--border-strong); background: var(--bg-card-hover); }
.video-placeholder .placeholder-icon { font-size: 44px; opacity: 0.35; }
.video-placeholder p { font-size: 13px; }

/* ============================================================
   FLASH MESSAGES
   ============================================================ */
.flash {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 13px 18px;
  border-radius: var(--radius-md);
  font-size: 13.5px;
  font-weight: 500;
  margin-bottom: 20px;
  animation: slideIn 0.35s cubic-bezier(0.4,0,0.2,1);
}

.flash-success { background: rgba(0,245,160,0.07); border: 1px solid rgba(0,245,160,0.2); color: var(--accent-green); }
.flash-error   { background: rgba(255,71,87,0.07);  border: 1px solid rgba(255,71,87,0.2);  color: var(--accent-red); }
.flash-info    { background: rgba(0,229,255,0.07);  border: 1px solid rgba(0,229,255,0.2);  color: var(--accent-cyan); }

@keyframes slideIn { from { opacity: 0; transform: translateY(-10px); } to { opacity: 1; transform: translateY(0); } }

/* ============================================================
   TOAST NOTIFICATIONS
   ============================================================ */
#toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 13px 18px;
  background: rgba(17,22,32,0.96);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  font-size: 13.5px;
  font-weight: 500;
  max-width: 360px;
  animation: toastIn 0.4s cubic-bezier(0.34,1.4,0.64,1);
  cursor: pointer;
  backdrop-filter: blur(16px);
}

.toast-success { border-color: rgba(0,245,160,0.3); color: var(--accent-green); }
.toast-error   { border-color: rgba(255,71,87,0.3);  color: var(--accent-red); }
.toast-info    { border-color: rgba(0,229,255,0.3);  color: var(--accent-cyan); }

@keyframes toastIn { from { opacity: 0; transform: translateX(30px) scale(0.88); } to { opacity: 1; transform: translateX(0) scale(1); } }

.toast.removing { animation: toastOut 0.25s ease forwards; }
@keyframes toastOut { to { opacity: 0; transform: translateX(30px) scale(0.88); } }

/* ============================================================
   LOADING SPINNER
   ============================================================ */
.spinner {
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255,255,255,0.12);
  border-top-color: currentColor;
  border-radius: 50%;
  animation: spin 0.65s linear infinite;
  display: inline-block;
  flex-shrink: 0;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ============================================================
   MODAL
   ============================================================ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(2,5,10,0.85);
  backdrop-filter: blur(8px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  transition: opacity 0.25s ease;
}

.modal-overlay.visible { opacity: 1; }

.modal {
  background: var(--bg-card);
  background-image: linear-gradient(145deg, rgba(255,255,255,0.025) 0%, transparent 50%);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-xl);
  padding: 28px;
  max-width: 640px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  transform: scale(0.93) translateY(20px);
  transition: var(--trans-slow);
  box-shadow: var(--shadow-xl);
  position: relative;
}

.modal::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0,229,255,0.2), transparent);
}

.modal-overlay.visible .modal { transform: scale(1) translateY(0); }

.modal-header { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 22px; }
.modal-title { font-family: var(--font-display); font-size: 18px; font-weight: 700; letter-spacing: -0.3px; }

.modal-close {
  cursor: pointer;
  color: var(--text-muted);
  font-size: 16px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border-subtle);
  transition: var(--trans-fast);
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
}

.modal-close:hover { color: var(--text-primary); background: rgba(255,255,255,0.08); border-color: var(--border-medium); }

/* ============================================================
   PROGRESS BAR
   ============================================================ */
.progress-bar {
  height: 4px;
  background: rgba(255,255,255,0.05);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: var(--grad-cyan);
  border-radius: inherit;
  transition: width 0.5s cubic-bezier(0.4,0,0.2,1);
  position: relative;
}

.progress-fill::after {
  content: '';
  position: absolute;
  right: -10px; top: 0; bottom: 0;
  width: 30px;
  background: linear-gradient(to right, transparent, rgba(255,255,255,0.5), transparent);
  animation: shimmer 1.8s ease-in-out infinite;
}

@keyframes shimmer { 0%, 100% { opacity: 0; } 50% { opacity: 1; } }

/* ============================================================
   HERO SECTION
   ============================================================ */
.page-hero {
  padding: 24px 0 18px;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--border-subtle);
  position: relative;
}

.page-hero::after {
  content: '';
  position: absolute;
  bottom: -1px; left: 0;
  width: 80px;
  height: 2px;
  background: var(--grad-cyan);
  border-radius: var(--radius-full);
}

.page-hero h2 {
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.6px;
  line-height: 1.15;
  margin-bottom: 6px;
}

.page-hero p { color: var(--text-secondary); font-size: 13.5px; }

/* ============================================================
   SECTION HEADERS
   ============================================================ */
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.section-title {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.2px;
}

/* ============================================================
   COMODIN TAGS
   ============================================================ */
.comodin-tag {
  display: inline-block;
  background: rgba(176,110,243,0.1);
  color: #c084fc;
  border: 1px solid rgba(176,110,243,0.22);
  border-radius: var(--radius-sm);
  padding: 2px 7px;
  font-size: 11px;
  font-family: 'Space Grotesk', monospace;
  font-weight: 600;
  transition: var(--trans-fast);
}

.comodin-tag:hover { background: rgba(176,110,243,0.18); border-color: rgba(176,110,243,0.38); }

/* ============================================================
   DIVIDER
   ============================================================ */
.divider { height: 1px; background: var(--border-subtle); margin: 24px 0; }

/* ============================================================
   EMPTY STATE
   ============================================================ */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 64px 24px;
  color: var(--text-muted);
  gap: 12px;
  text-align: center;
}

.empty-state .empty-icon { font-size: 52px; opacity: 0.3; margin-bottom: 4px; }
.empty-state h3 { font-family: var(--font-display); font-size: 16px; font-weight: 700; color: var(--text-secondary); }
.empty-state p { font-size: 13px; max-width: 320px; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 768px) {
  :root { --sidebar-width: 240px; }
  .sidebar { transform: translateX(-100%); }
  .sidebar.open { transform: translateX(0); box-shadow: var(--shadow-xl); }
  .main-content { margin-left: 0; }
  .page-content { padding: 16px; }
  .category-grid { grid-template-columns: 1fr 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .topbar { padding: 0 16px; }
  #sidebar-toggle { display: flex !important; }
}

@media (max-width: 480px) {
  .category-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr; }
  .stat-value { font-size: 24px; }
}

/* ============================================================
   UTILITY CLASSES
   ============================================================ */
.flex            { display: flex; }
.flex-col        { flex-direction: column; }
.items-center    { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-end     { justify-content: flex-end; }
.gap-4           { gap: 16px; }
.gap-3           { gap: 12px; }
.gap-2           { gap: 8px; }
.gap-1           { gap: 4px; }
.mb-1            { margin-bottom: 4px; }
.mb-2            { margin-bottom: 8px; }
.mb-4            { margin-bottom: 16px; }
.mb-6            { margin-bottom: 24px; }
.mb-8            { margin-bottom: 32px; }
.mt-2            { margin-top: 8px; }
.mt-4            { margin-top: 16px; }
.mt-6            { margin-top: 24px; }
.w-full          { width: 100%; }
.hidden          { display: none !important; }
.text-xs         { font-size: 11px; }
.text-sm         { font-size: 12px; }
.text-muted      { color: var(--text-muted); }
.text-secondary  { color: var(--text-secondary); }
.text-cyan       { color: var(--accent-cyan); }
.text-green      { color: var(--accent-green); }
.text-red        { color: var(--accent-red); }
.text-orange     { color: var(--accent-orange); }
.font-mono       { font-family: monospace; }
.font-display    { font-family: var(--font-display); }
.font-bold       { font-weight: 700; }
.font-semibold   { font-weight: 600; }
.text-right      { text-align: right; }
.text-center     { text-align: center; }
.rounded         { border-radius: var(--radius-md); }
.rounded-lg      { border-radius: var(--radius-lg); }
.truncate        { overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
.opacity-50      { opacity: 0.5; }
.pointer         { cursor: pointer; }
.relative        { position: relative; }
.overflow-hidden { overflow: hidden; }

/* ============================================================
   DASHBOARD SHARED COMPONENTS
   ============================================================ */

/* Page hero eyebrow pill */
.page-hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--accent-cyan);
  background: var(--accent-cyan-dim);
  border: 1px solid rgba(0,229,255,0.15);
  border-radius: var(--radius-full);
  padding: 4px 12px;
  margin-bottom: 10px;
}

/* Step number badge */
.section-step {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  background: var(--grad-cyan);
  color: #040b0e;
  font-size: 11px;
  font-weight: 800;
  border-radius: 50%;
  flex-shrink: 0;
  margin-right: 6px;
  vertical-align: middle;
}

/* Card header row */
.card__header {
  display: flex;
  align-items: center;
}

/* Stat value color variants */
.stat-value--green  { color: var(--accent-green); }
.stat-value--orange { color: var(--accent-orange); }
.stat-value--red    { color: var(--accent-red); }
.stat-value--cyan   { color: var(--accent-cyan); }

/* Dashboard two-col grid */
.dashboard-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  align-items: start;
}

@media (max-width: 900px) {
  .dashboard-grid { grid-template-columns: 1fr; }
}

/* Prompt meta row */
.prompt-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 10px;
  padding: 0 2px;
}
.prompt-meta__info   { font-size: 11px; color: var(--text-muted); }
.prompt-meta__tokens { font-size: 11px; color: var(--text-muted); font-family: monospace; }

/* Comodines section */
.comodines-section {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--border-subtle);
}
.comodines-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 8px;
}

/* Recent section spacing */
.recent-section { margin-top: 36px; }

/* Table column helpers */
.td-id       { color: var(--text-muted); font-size: 12px; font-family: monospace; }
.td-material { color: var(--text-primary); font-weight: 600; }
.td-categoria,
.td-cat      { font-size: 11px; color: var(--text-muted); margin-top: 2px; }
.td-code     { font-size: 11px; color: var(--text-muted); font-family: monospace;
               background: rgba(255,255,255,0.04); padding: 2px 6px; border-radius: 4px; }
.td-cost     { font-size: 12px; color: var(--text-muted); white-space: nowrap; }
.td-fecha    { font-size: 11.5px; color: var(--text-muted); white-space: nowrap; }

/* Filter bar */
.filter-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  flex-wrap: wrap;
}
.filter-bar__left { display: flex; gap: 6px; flex-wrap: wrap; }

.filter-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 18px;
  height: 18px;
  padding: 0 5px;
  background: rgba(255,255,255,0.15);
  border-radius: var(--radius-full);
  font-size: 10px;
  font-weight: 700;
  color: inherit;
}

/* Action group */
.action-group {
  display: flex;
  gap: 6px;
  justify-content: flex-end;
  align-items: center;
}
.form-inline { display: inline; }

/* Gallery toolbar */
.gallery-toolbar { display: flex; justify-content: flex-end; }

/* Gallery table helpers */
.td-prompt-col  { max-width: 240px; }
.td-prompt      { font-size: 12px; color: var(--text-secondary); font-family: 'Space Grotesk', monospace; }
.td-hid         { font-size: 10px; color: var(--text-muted); margin-top: 2px; font-family: monospace; }
.td-dur         { color: var(--text-muted); font-size: 12px; white-space: nowrap; }
.td-fecha-col   { font-size: 11.5px; color: var(--text-muted); white-space: nowrap; }
.td-hora        { font-size: 11px; color: var(--text-muted); opacity: 0.7; }
.td-error-msg   { font-size: 10px; color: var(--accent-red); margin-top: 3px; max-width: 120px; }
.td-truncate,
.truncate       { overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }

/* Video thumb cell */
.video-cell         { display: flex; flex-direction: column; gap: 5px; }
.video-thumb {
  width: 140px; height: 78px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  background: #000;
  display: block;
}
.video-cell__actions { display: flex; gap: 4px; flex-wrap: wrap; }

/* Processing cell */
.processing-cell {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}

/* Pagination */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
}
.pagination__info {
  font-size: 13px;
  color: var(--text-muted);
  padding: 0 4px;
}

/* Badge purple variant */
.badge-purple {
  background: rgba(168,85,247,0.1);
  color: #c084fc;
  border-color: rgba(168,85,247,0.2);
}

/* Plantillas grid */
.plantillas-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
  gap: 16px;
}

@media (max-width: 640px) {
  .plantillas-grid { grid-template-columns: 1fr; }
}

/* Plantilla card */
.plantilla-card {
  background: var(--bg-card);
  background-image: linear-gradient(145deg, rgba(255,255,255,0.025) 0%, transparent 60%);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: var(--trans-med);
  position: relative;
  overflow: hidden;
}

.plantilla-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(168,85,247,0.25), transparent);
}

.plantilla-card:hover {
  border-color: rgba(168,85,247,0.2);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md), 0 0 20px rgba(168,85,247,0.06);
}

.plantilla-card__head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 10px;
}

.plantilla-card__name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 14px;
  color: var(--text-primary);
  margin-top: 4px;
  letter-spacing: -0.2px;
}

.plantilla-card__cam {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 3px;
}

.plantilla-card__body {
  background: rgba(0,0,0,0.35);
  border: 1px solid rgba(0,229,255,0.08);
  border-radius: var(--radius-md);
  padding: 12px 14px;
}

.prompt-preview-inline {
  font-family: 'Space Grotesk', monospace;
  font-size: 11.5px;
  color: var(--accent-cyan);
  line-height: 1.75;
  max-height: 76px;
  overflow: hidden;
  position: relative;
  word-break: break-word;
}

.prompt-preview-inline::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 28px;
  background: linear-gradient(to bottom, transparent, rgba(0,0,0,0.35));
}

.plantilla-card__desc {
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.5;
}

.plantilla-card__actions {
  display: flex;
  gap: 8px;
  margin-top: auto;
  padding-top: 8px;
  border-top: 1px solid var(--border-subtle);
}

/* App footer */
.app-footer {
  text-align: center;
  padding: 14px 24px;
  font-size: 11px;
  color: var(--text-muted);
  border-top: 1px solid var(--border-subtle);
  background: var(--bg-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.app-footer__sep { opacity: 0.4; }
.app-footer a { color: var(--accent-cyan); }
.app-footer a:hover { color: #fff; }