/* ======================================
   IRONGRIT ELITE – GLOBAL STYLES
   Dark Athletic Aesthetic
   ====================================== */

:root {
  --black: #0a0a0a;
  --dark: #111111;
  --dark-2: #1a1a1a;
  --dark-3: #222222;
  --card: #141414;
  --border: rgba(255,255,255,0.08);
  --border-hover: rgba(255,255,255,0.18);

  --orange: #ff5c00;
  --orange-light: #ff7a2e;
  --orange-glow: rgba(255,92,0,0.25);
  --yellow: #ffc107;
  --green: #00e676;
  --red: #ff3d3d;
  --blue: #4fc3f7;

  --white: #ffffff;
  --white-80: rgba(255,255,255,0.8);
  --white-60: rgba(255,255,255,0.6);
  --white-40: rgba(255,255,255,0.4);
  --white-20: rgba(255,255,255,0.2);
  --white-10: rgba(255,255,255,0.1);
  --white-05: rgba(255,255,255,0.05);

  --font-display: 'Bebas Neue', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'Space Mono', monospace;

  --radius: 12px;
  --radius-lg: 20px;
  --radius-xl: 32px;
  --shadow: 0 8px 32px rgba(0,0,0,0.4);
  --shadow-orange: 0 0 40px rgba(255,92,0,0.3);

  --transition: 0.2s ease;
  --transition-slow: 0.4s ease;
}

/* RESET */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--black);
  color: var(--white);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; border: none; background: none; font: inherit; }
input, select, textarea { font: inherit; }

/* SCROLLBAR */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--dark); }
::-webkit-scrollbar-thumb { background: var(--orange); border-radius: 3px; }

/* CONTAINER */
.container { max-width: 1280px; margin: 0 auto; padding: 0 24px; }

/* ======================================
   BUTTONS
   ====================================== */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 8px; padding: 12px 28px; border-radius: var(--radius);
  font-weight: 600; font-size: 15px; letter-spacing: 0.3px;
  transition: all var(--transition); white-space: nowrap;
}
.btn-sm { padding: 8px 18px; font-size: 13px; }
.btn-lg { padding: 16px 36px; font-size: 17px; }
.btn-primary {
  background: var(--orange); color: var(--white);
  box-shadow: 0 4px 20px var(--orange-glow);
}
.btn-primary:hover {
  background: var(--orange-light);
  box-shadow: 0 6px 30px rgba(255,92,0,0.5);
  transform: translateY(-2px);
}
.btn-outline {
  background: transparent; color: var(--white);
  border: 1.5px solid var(--border-hover);
}
.btn-outline:hover {
  border-color: var(--orange);
  color: var(--orange);
  transform: translateY(-2px);
}
.btn-ghost { background: var(--white-10); color: var(--white); }
.btn-ghost:hover { background: var(--white-20); transform: translateY(-2px); }
.btn-danger { background: var(--red); color: var(--white); }
.btn-success { background: var(--green); color: var(--black); }

/* ======================================
   HEADER / NAV
   ====================================== */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  padding: 0 24px;
  background: rgba(10,10,10,0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: all var(--transition-slow);
}
.site-header.scrolled {
  background: rgba(10,10,10,0.98);
  box-shadow: 0 4px 30px rgba(0,0,0,0.5);
}
.nav-container {
  max-width: 1280px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  height: 68px;
}
.logo {
  display: flex; align-items: center; gap: 10px;
  font-size: 22px;
}
.logo-icon { font-size: 28px; }
.logo-text { letter-spacing: -0.5px; }
.logo-text strong { color: var(--orange); }
.nav-links { display: flex; align-items: center; gap: 8px; }
.nav-link {
  padding: 8px 14px; border-radius: 8px;
  color: var(--white-80); font-size: 14px; font-weight: 500;
  transition: all var(--transition);
}
.nav-link:hover { color: var(--white); background: var(--white-10); }
.nav-toggle {
  display: none; flex-direction: column; gap: 5px;
  padding: 8px; border-radius: 8px;
}
.nav-toggle span {
  display: block; width: 22px; height: 2px;
  background: var(--white); border-radius: 2px;
  transition: all var(--transition);
}

/* ======================================
   HERO
   ====================================== */
.hero {
  min-height: 100vh; display: flex; align-items: center;
  padding: 100px 24px 60px;
  position: relative; overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0; z-index: 0;
  background: radial-gradient(ellipse 80% 60% at 60% 50%, rgba(255,92,0,0.12) 0%, transparent 70%);
}
.hero-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at center, black 0%, transparent 100%);
  opacity: 0.4;
}
.hero-content {
  position: relative; z-index: 1;
  max-width: 620px;
}
.hero-badge {
  display: inline-block; padding: 8px 16px;
  background: var(--orange-glow); border: 1px solid var(--orange);
  border-radius: 100px; font-size: 13px; font-weight: 600;
  color: var(--orange-light); letter-spacing: 0.3px;
  margin-bottom: 28px;
  animation: fadeInUp 0.6s ease both;
}
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(72px, 10vw, 130px);
  line-height: 0.9; letter-spacing: 1px;
  margin-bottom: 24px;
  animation: fadeInUp 0.6s 0.1s ease both;
}
.hero-accent { color: var(--orange); position: relative; }
.hero-subtitle {
  font-size: 18px; color: var(--white-60);
  max-width: 480px; margin-bottom: 36px; line-height: 1.7;
  animation: fadeInUp 0.6s 0.2s ease both;
}
.hero-actions {
  display: flex; gap: 12px; flex-wrap: wrap;
  margin-bottom: 48px;
  animation: fadeInUp 0.6s 0.3s ease both;
}
.hero-stats {
  display: flex; gap: 36px;
  animation: fadeInUp 0.6s 0.4s ease both;
}
.stat { display: flex; flex-direction: column; }
.stat strong { font-family: var(--font-display); font-size: 36px; color: var(--orange); line-height: 1; }
.stat span { font-size: 12px; color: var(--white-60); text-transform: uppercase; letter-spacing: 1px; }
.hero-visual {
  position: absolute; right: 0; top: 50%;
  transform: translateY(-50%);
  width: 420px; z-index: 1;
  pointer-events: none;
}
.hero-card-stack { position: relative; height: 320px; }
.floating-card {
  position: absolute; padding: 16px 24px;
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); font-weight: 600; font-size: 15px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
}
.card-1 { top: 20px; right: 80px; animation: float1 4s ease-in-out infinite; }
.card-2 { top: 120px; right: 20px; animation: float2 4s 1s ease-in-out infinite; }
.card-3 { top: 220px; right: 100px; animation: float1 4s 2s ease-in-out infinite; }

/* ======================================
   CATEGORIES STRIP
   ====================================== */
.categories-strip {
  padding: 24px 0; border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--dark-2);
}
.section-label {
  font-size: 11px; font-weight: 700; text-transform: uppercase;
  letter-spacing: 2px; color: var(--white-40); margin-bottom: 16px;
}
.categories-scroll {
  display: flex; gap: 8px; overflow-x: auto;
  padding-bottom: 4px; scrollbar-width: none;
}
.categories-scroll::-webkit-scrollbar { display: none; }
.cat-pill {
  flex-shrink: 0; padding: 10px 20px; border-radius: 100px;
  background: var(--white-05); border: 1.5px solid var(--border);
  color: var(--white-80); font-size: 14px; font-weight: 500;
  transition: all var(--transition); white-space: nowrap;
}
.cat-pill:hover, .cat-pill.active {
  background: var(--orange); border-color: var(--orange);
  color: var(--white); transform: translateY(-2px);
  box-shadow: 0 4px 16px var(--orange-glow);
}

/* ======================================
   EXERCISES SECTION
   ====================================== */
.exercises-section { padding: 80px 0; }
.exercises-header {
  display: flex; justify-content: space-between; align-items: flex-start;
  gap: 24px; margin-bottom: 32px; flex-wrap: wrap;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(36px, 5vw, 56px);
  line-height: 1; letter-spacing: 0.5px; margin-bottom: 8px;
}
.section-subtitle { color: var(--white-60); font-size: 16px; }
.text-center { text-align: center; }
.exercises-controls { display: flex; gap: 12px; flex-wrap: wrap; }
.search-box {
  position: relative; display: flex; align-items: center;
}
.search-box input {
  width: 240px; padding: 12px 16px 12px 44px;
  background: var(--dark-3); border: 1.5px solid var(--border);
  border-radius: var(--radius); color: var(--white);
  font-size: 14px; transition: all var(--transition);
}
.search-box input:focus {
  outline: none; border-color: var(--orange);
  background: var(--dark-2);
}
.search-box input::placeholder { color: var(--white-40); }
.search-icon {
  position: absolute; left: 14px; top: 50%;
  transform: translateY(-50%); font-size: 16px;
  pointer-events: none;
}
.filter-select {
  padding: 12px 36px 12px 16px; appearance: none;
  background: var(--dark-3) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%23ffffff66' d='M6 8L0 0h12z'/%3E%3C/svg%3E") no-repeat right 12px center;
  border: 1.5px solid var(--border); border-radius: var(--radius);
  color: var(--white); font-size: 14px; transition: all var(--transition);
  cursor: pointer;
}
.filter-select:focus { outline: none; border-color: var(--orange); }

.results-info {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 24px; color: var(--white-60); font-size: 14px;
}
.view-toggle { display: flex; gap: 4px; }
.view-btn {
  padding: 8px 12px; border-radius: 8px; font-size: 18px;
  background: var(--white-05); border: 1px solid var(--border);
  color: var(--white-60); transition: all var(--transition);
}
.view-btn.active { background: var(--orange); border-color: var(--orange); color: var(--white); }

/* GRID */
.exercises-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
  transition: all var(--transition-slow);
}
.exercises-grid.list-view {
  grid-template-columns: 1fr;
}

/* EXERCISE CARD */
.exercise-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); overflow: hidden;
  cursor: pointer; transition: all var(--transition);
  animation: fadeInUp 0.4s ease both;
}
.exercise-card:hover {
  border-color: var(--orange);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(255,92,0,0.2);
}
.exercise-card-image {
  width: 100%; aspect-ratio: 16/9;
  object-fit: cover; display: block;
  background: var(--dark-3);
}
.exercise-card-image-placeholder {
  width: 100%; aspect-ratio: 16/9;
  background: var(--dark-3);
  display: flex; align-items: center; justify-content: center;
  font-size: 48px;
}
.exercise-card-body { padding: 20px; }
.exercise-card-meta {
  display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 10px;
}
.badge {
  padding: 4px 10px; border-radius: 100px; font-size: 11px;
  font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px;
}
.badge-category { background: var(--orange-glow); color: var(--orange-light); border: 1px solid rgba(255,92,0,0.3); }
.badge-difficulty-principiante { background: rgba(0,230,118,0.15); color: var(--green); border: 1px solid rgba(0,230,118,0.3); }
.badge-difficulty-intermedio { background: rgba(255,193,7,0.15); color: var(--yellow); border: 1px solid rgba(255,193,7,0.3); }
.badge-difficulty-avanzado { background: rgba(255,61,61,0.15); color: var(--red); border: 1px solid rgba(255,61,61,0.3); }
.exercise-card-name {
  font-size: 17px; font-weight: 700; margin-bottom: 8px;
  line-height: 1.3;
}
.exercise-card-muscles {
  font-size: 13px; color: var(--white-60);
  display: flex; align-items: center; gap: 6px;
}
.exercise-card-footer {
  padding: 14px 20px 20px;
  display: flex; justify-content: space-between; align-items: center;
  border-top: 1px solid var(--border); margin-top: 12px; padding-top: 12px;
}
.exercise-equipment {
  font-size: 12px; color: var(--white-40);
  display: flex; align-items: center; gap: 4px;
}
.exercise-card-btn {
  font-size: 12px; font-weight: 600; color: var(--orange);
  padding: 6px 12px; border: 1px solid var(--orange);
  border-radius: 8px; transition: all var(--transition);
}
.exercise-card:hover .exercise-card-btn {
  background: var(--orange); color: var(--white);
}

/* LIST VIEW CARD */
.exercises-grid.list-view .exercise-card {
  display: flex; gap: 0;
}
.exercises-grid.list-view .exercise-card-image,
.exercises-grid.list-view .exercise-card-image-placeholder {
  width: 160px; aspect-ratio: 1; flex-shrink: 0; border-radius: 0;
}
.exercises-grid.list-view .exercise-card-content {
  display: flex; flex: 1; align-items: center;
  justify-content: space-between; padding: 16px 20px;
  flex-wrap: wrap; gap: 12px;
}
.exercises-grid.list-view .exercise-card-body { padding: 0; flex: 1; }
.exercises-grid.list-view .exercise-card-footer { border: none; margin: 0; padding: 0; }

/* SKELETON */
.exercise-skeleton {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); height: 320px;
  position: relative; overflow: hidden;
}
.exercise-skeleton::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(90deg, transparent 0%, rgba(255,255,255,0.05) 50%, transparent 100%);
  animation: shimmer 1.5s infinite;
}

/* LOAD MORE */
.load-more-wrapper { text-align: center; margin-top: 48px; }

/* ======================================
   MODAL
   ====================================== */
.modal-overlay {
  position: fixed; inset: 0; z-index: 2000;
  background: rgba(0,0,0,0.85); backdrop-filter: blur(8px);
  display: flex; align-items: center; justify-content: center;
  padding: 24px; opacity: 0; pointer-events: none;
  transition: opacity var(--transition-slow);
}
.modal-overlay.active { opacity: 1; pointer-events: all; }
.modal-container {
  background: var(--dark-2); border: 1px solid var(--border);
  border-radius: var(--radius-xl); max-width: 860px; width: 100%;
  max-height: 90vh; overflow-y: auto;
  position: relative;
  transform: translateY(30px) scale(0.97);
  transition: all var(--transition-slow);
}
.modal-overlay.active .modal-container {
  transform: translateY(0) scale(1);
}
.modal-close {
  position: sticky; top: 16px; float: right; margin: 16px 16px 0 0;
  width: 36px; height: 36px; border-radius: 50%;
  background: var(--white-10); color: var(--white);
  font-size: 16px; font-weight: 700; z-index: 10;
  display: flex; align-items: center; justify-content: center;
  transition: all var(--transition);
}
.modal-close:hover { background: var(--red); }
.modal-content { padding: 28px; clear: both; }

/* Modal exercise content */
.modal-hero { position: relative; margin: -28px -28px 28px; border-radius: var(--radius-xl) var(--radius-xl) 0 0; overflow: hidden; }
.modal-hero-img { width: 100%; height: 280px; object-fit: cover; }
.modal-hero-placeholder {
  width: 100%; height: 280px; background: var(--dark-3);
  display: flex; align-items: center; justify-content: center;
  font-size: 80px;
}
.modal-hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(26,26,26,0.9) 0%, transparent 60%);
}
.modal-hero-text {
  position: absolute; bottom: 0; left: 0; right: 0;
  padding: 24px 32px;
}
.modal-title {
  font-family: var(--font-display); font-size: 42px;
  line-height: 1; margin-bottom: 12px;
}
.modal-badges { display: flex; gap: 8px; flex-wrap: wrap; }

.modal-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-bottom: 28px; }
.modal-info-block {
  background: var(--dark-3); border-radius: var(--radius);
  padding: 20px; border: 1px solid var(--border);
}
.modal-info-block h4 {
  font-size: 11px; font-weight: 700; text-transform: uppercase;
  letter-spacing: 1.5px; color: var(--orange); margin-bottom: 12px;
}
.modal-info-block p { font-size: 14px; color: var(--white-80); line-height: 1.6; }
.muscle-list { display: flex; flex-wrap: wrap; gap: 6px; }
.muscle-tag {
  padding: 4px 10px; background: var(--white-05); border-radius: 6px;
  font-size: 12px; color: var(--white-80); border: 1px solid var(--border);
}
.muscle-tag.primary { border-color: var(--orange); color: var(--orange-light); background: var(--orange-glow); }

.modal-section { margin-bottom: 28px; }
.modal-section h3 {
  font-size: 18px; font-weight: 700; margin-bottom: 14px;
  display: flex; align-items: center; gap: 8px;
}
.modal-instructions { list-style: none; }
.modal-instructions li {
  padding: 12px 16px; background: var(--dark-3);
  border-radius: 10px; margin-bottom: 8px;
  font-size: 14px; color: var(--white-80);
  display: flex; gap: 12px; align-items: flex-start;
  border: 1px solid var(--border);
}
.step-num {
  width: 24px; height: 24px; border-radius: 50%;
  background: var(--orange); color: var(--white);
  font-size: 12px; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.modal-tips {
  background: rgba(255,193,7,0.08); border: 1px solid rgba(255,193,7,0.2);
  border-radius: var(--radius); padding: 20px;
}
.modal-tips-title {
  color: var(--yellow); font-weight: 700; font-size: 14px;
  margin-bottom: 10px; display: flex; align-items: center; gap: 6px;
}
.modal-tips p { font-size: 14px; color: var(--white-80); }
.modal-video-wrapper {
  border-radius: var(--radius-lg); overflow: hidden;
  aspect-ratio: 16/9; background: var(--dark-3);
  position: relative;
}
.modal-video-wrapper iframe { width: 100%; height: 100%; border: none; }
.modal-stats-row {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 12px; margin-top: 20px;
}
.modal-stat {
  text-align: center; background: var(--dark-3);
  border-radius: var(--radius); padding: 16px;
  border: 1px solid var(--border);
}
.modal-stat strong { display: block; font-size: 22px; color: var(--orange); font-family: var(--font-mono); }
.modal-stat span { font-size: 11px; color: var(--white-40); text-transform: uppercase; letter-spacing: 1px; }
.modal-actions {
  display: flex; gap: 12px; margin-top: 24px; flex-wrap: wrap;
}

/* ======================================
   CTA SECTION
   ====================================== */
.cta-section { padding: 80px 0; }
.cta-box {
  background: linear-gradient(135deg, var(--dark-2) 0%, rgba(255,92,0,0.08) 100%);
  border: 1px solid rgba(255,92,0,0.3);
  border-radius: var(--radius-xl); padding: 60px;
  display: flex; justify-content: space-between; align-items: center;
  gap: 32px; flex-wrap: wrap;
}
.cta-text h2 { font-family: var(--font-display); font-size: 42px; margin-bottom: 12px; }
.cta-text p { color: var(--white-60); font-size: 16px; max-width: 480px; }
.cta-actions { display: flex; gap: 12px; flex-shrink: 0; flex-wrap: wrap; }

/* ======================================
   FEATURES
   ====================================== */
.features-section { padding: 80px 0; background: var(--dark-2); }
.features-section .section-title { margin-bottom: 48px; }
.features-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}
.feature-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 28px;
  transition: all var(--transition);
}
.feature-card:hover {
  border-color: var(--orange);
  transform: translateY(-4px);
}
.feature-icon { font-size: 36px; margin-bottom: 16px; }
.feature-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 10px; }
.feature-card p { font-size: 14px; color: var(--white-60); line-height: 1.6; }

/* ======================================
   FOOTER
   ====================================== */
.site-footer { background: var(--dark-2); border-top: 1px solid var(--border); padding: 60px 0 32px; }
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px; margin-bottom: 48px;
}
.footer-brand .logo { margin-bottom: 12px; }
.footer-brand p { color: var(--white-60); font-size: 14px; line-height: 1.6; }
.footer-links h4 { font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: 1.5px; color: var(--white-40); margin-bottom: 16px; }
.footer-links a { display: block; color: var(--white-60); font-size: 14px; margin-bottom: 10px; transition: color var(--transition); }
.footer-links a:hover { color: var(--orange); }
.footer-bottom {
  border-top: 1px solid var(--border); padding-top: 24px;
  display: flex; justify-content: space-between; flex-wrap: wrap;
  gap: 8px; color: var(--white-40); font-size: 13px;
}

/* ======================================
   AUTH PAGES
   ====================================== */
.auth-page {
  min-height: 100vh; display: flex; align-items: center;
  justify-content: center; padding: 100px 24px 60px;
  background: radial-gradient(ellipse 60% 60% at 50% 50%, rgba(255,92,0,0.1) 0%, transparent 70%);
}
.auth-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius-xl); padding: 48px;
  width: 100%; max-width: 480px;
}
.auth-title { font-family: var(--font-display); font-size: 48px; margin-bottom: 8px; }
.auth-subtitle { color: var(--white-60); margin-bottom: 36px; }
.form-group { margin-bottom: 20px; }
.form-label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 8px; color: var(--white-80); }
.form-input {
  width: 100%; padding: 14px 16px;
  background: var(--dark-3); border: 1.5px solid var(--border);
  border-radius: var(--radius); color: var(--white); font-size: 15px;
  transition: all var(--transition);
}
.form-input:focus { outline: none; border-color: var(--orange); background: var(--dark-2); }
.form-input::placeholder { color: var(--white-40); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-error { color: var(--red); font-size: 13px; margin-top: 6px; }
.form-submit { width: 100%; margin-top: 8px; }
.auth-footer { margin-top: 24px; text-align: center; color: var(--white-60); font-size: 14px; }
.auth-footer a { color: var(--orange); font-weight: 600; }
.auth-footer a:hover { text-decoration: underline; }

/* ======================================
   DASHBOARD
   ====================================== */
.dashboard-page { padding-top: 88px; min-height: 100vh; }
.dashboard-layout { display: grid; grid-template-columns: 260px 1fr; min-height: calc(100vh - 88px); }

.sidebar {
  background: var(--dark-2); border-right: 1px solid var(--border);
  padding: 32px 16px; position: sticky; top: 88px;
  height: calc(100vh - 88px); overflow-y: auto;
}
.sidebar-title { font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 1.5px; color: var(--white-40); padding: 0 12px; margin-bottom: 8px; margin-top: 24px; }
.sidebar-title:first-child { margin-top: 0; }
.sidebar-link {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 14px; border-radius: var(--radius);
  color: var(--white-70, var(--white-60)); font-size: 14px; font-weight: 500;
  transition: all var(--transition); margin-bottom: 2px;
}
.sidebar-link:hover { background: var(--white-05); color: var(--white); }
.sidebar-link.active { background: var(--orange-glow); color: var(--orange); border: 1px solid rgba(255,92,0,0.2); }
.sidebar-icon { font-size: 18px; }

.dashboard-main { padding: 40px; }
.page-header { margin-bottom: 36px; }
.page-title { font-family: var(--font-display); font-size: 48px; margin-bottom: 6px; }
.page-subtitle { color: var(--white-60); font-size: 16px; }

/* STATS GRID */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 16px; margin-bottom: 36px; }
.stat-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 24px;
  transition: all var(--transition);
}
.stat-card:hover { border-color: var(--orange); }
.stat-card-label { font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: 1px; color: var(--white-40); margin-bottom: 12px; }
.stat-card-value { font-family: var(--font-display); font-size: 42px; color: var(--orange); line-height: 1; margin-bottom: 4px; }
.stat-card-meta { font-size: 12px; color: var(--white-60); }

/* DASHBOARD GRID */
.dashboard-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.dashboard-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 28px;
}
.dashboard-card-title {
  font-size: 16px; font-weight: 700; margin-bottom: 20px;
  display: flex; align-items: center; gap: 8px;
}
.full-width { grid-column: 1 / -1; }

/* ======================================
   WORKOUT TIMER
   ====================================== */
.timer-display {
  text-align: center; padding: 32px;
  background: var(--dark-3); border-radius: var(--radius-xl);
  border: 2px solid var(--border); margin-bottom: 20px;
  position: relative; overflow: hidden;
}
.timer-display.rest { border-color: var(--blue); background: rgba(79,195,247,0.05); }
.timer-display.exercise { border-color: var(--orange); background: rgba(255,92,0,0.05); }
.timer-display.warning { border-color: var(--red); animation: pulse-border 0.5s ease infinite alternate; }
.timer-mode-label {
  font-size: 12px; font-weight: 700; text-transform: uppercase;
  letter-spacing: 2px; color: var(--white-40); margin-bottom: 8px;
}
.timer-time {
  font-family: var(--font-mono); font-size: 80px; font-weight: 700;
  line-height: 1; letter-spacing: -2px;
}
.timer-time.rest { color: var(--blue); }
.timer-time.exercise { color: var(--orange); }
.timer-controls { display: flex; justify-content: center; gap: 12px; flex-wrap: wrap; }
.timer-btn {
  min-width: 120px; padding: 14px 24px; border-radius: var(--radius);
  font-size: 15px; font-weight: 700;
  display: flex; align-items: center; justify-content: center; gap: 8px;
}
.timer-presets { display: flex; gap: 8px; justify-content: center; margin-top: 16px; }
.timer-preset {
  padding: 8px 16px; border-radius: 8px; font-size: 13px;
  font-weight: 600; background: var(--white-05);
  border: 1px solid var(--border); color: var(--white-80);
  transition: all var(--transition);
}
.timer-preset:hover { background: var(--orange); border-color: var(--orange); color: var(--white); }

/* PROGRESS CHART */
.chart-container { width: 100%; height: 200px; position: relative; }
canvas { width: 100% !important; }

/* FORM STYLES (reused in dashboard) */
.input-group {
  display: flex; gap: 12px; align-items: flex-end;
}
.input-group .form-group { flex: 1; margin-bottom: 0; }

/* ======================================
   PLANS PAGE
   ====================================== */
.plan-form { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius-xl); padding: 36px; }
.plan-form-title { font-family: var(--font-display); font-size: 36px; margin-bottom: 8px; }
.plan-form-subtitle { color: var(--white-60); margin-bottom: 32px; }
.goal-options { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 12px; margin-bottom: 8px; }
.goal-option {
  padding: 16px; border-radius: var(--radius); text-align: center;
  background: var(--dark-3); border: 2px solid var(--border);
  cursor: pointer; transition: all var(--transition);
}
.goal-option:hover { border-color: var(--orange); }
.goal-option.selected { border-color: var(--orange); background: var(--orange-glow); }
.goal-option input { display: none; }
.goal-option-icon { font-size: 28px; margin-bottom: 8px; }
.goal-option-label { font-size: 13px; font-weight: 600; }

/* AI Result */
.ai-result {
  background: var(--dark-3); border: 1px solid rgba(255,92,0,0.3);
  border-radius: var(--radius-xl); padding: 32px; margin-top: 24px;
}
.ai-result-header { display: flex; align-items: center; gap: 12px; margin-bottom: 24px; }
.ai-badge { padding: 6px 12px; background: var(--orange-glow); border: 1px solid var(--orange); border-radius: 100px; font-size: 12px; font-weight: 700; color: var(--orange); }
.ai-loading {
  text-align: center; padding: 48px;
  color: var(--white-60);
}
.ai-loading-icon { font-size: 48px; margin-bottom: 16px; animation: spin 2s linear infinite; }
.ai-plan-content { line-height: 1.8; color: var(--white-80); }
.ai-plan-content h2 { font-family: var(--font-display); font-size: 28px; color: var(--orange); margin: 20px 0 12px; }
.ai-plan-content h3 { font-size: 18px; font-weight: 700; margin: 16px 0 8px; }
.ai-plan-content ul { padding-left: 20px; margin-bottom: 12px; }
.ai-plan-content li { margin-bottom: 6px; font-size: 14px; }
.ai-plan-content strong { color: var(--white); }
.ai-plan-content table { width: 100%; border-collapse: collapse; margin: 16px 0; }
.ai-plan-content th { background: var(--dark-2); padding: 10px 14px; text-align: left; font-size: 12px; text-transform: uppercase; letter-spacing: 1px; color: var(--white-60); }
.ai-plan-content td { padding: 10px 14px; border-bottom: 1px solid var(--border); font-size: 14px; }

/* ======================================
   PROGRESS / MEASUREMENTS
   ====================================== */
.measurement-form {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 28px; margin-bottom: 24px;
}
.measurements-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 12px;
}
.measurement-item {
  background: var(--dark-3); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 16px; text-align: center;
}
.measurement-value { font-family: var(--font-mono); font-size: 28px; color: var(--orange); }
.measurement-label { font-size: 11px; color: var(--white-40); text-transform: uppercase; letter-spacing: 1px; margin-top: 4px; }
.measurement-unit { font-size: 13px; color: var(--white-60); }
.history-table { width: 100%; border-collapse: collapse; }
.history-table th {
  background: var(--dark-3); padding: 12px 16px;
  text-align: left; font-size: 11px; text-transform: uppercase;
  letter-spacing: 1px; color: var(--white-40);
}
.history-table td { padding: 12px 16px; border-bottom: 1px solid var(--border); font-size: 14px; }
.history-table tr:hover td { background: var(--white-05); }

/* ======================================
   WORKOUT SESSION
   ====================================== */
.session-header {
  background: var(--dark-2); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 20px 28px;
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 24px; flex-wrap: wrap; gap: 16px;
}
.session-title { font-family: var(--font-display); font-size: 28px; }
.session-time { font-family: var(--font-mono); font-size: 24px; color: var(--orange); }
.exercise-session-list { display: flex; flex-direction: column; gap: 12px; }
.session-exercise {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 20px;
  display: flex; justify-content: space-between; align-items: center;
  gap: 16px; flex-wrap: wrap;
}
.session-exercise.completed { border-color: var(--green); opacity: 0.7; }
.session-exercise.active { border-color: var(--orange); background: rgba(255,92,0,0.05); }
.session-exercise-name { font-weight: 700; font-size: 16px; }
.session-exercise-meta { font-size: 13px; color: var(--white-60); margin-top: 4px; }
.session-inputs { display: flex; gap: 8px; }
.session-input {
  width: 80px; padding: 8px 12px;
  background: var(--dark-3); border: 1px solid var(--border);
  border-radius: 8px; color: var(--white); font-size: 14px;
  text-align: center;
}
.session-input:focus { outline: none; border-color: var(--orange); }

/* ======================================
   TOAST
   ====================================== */
.toast {
  position: fixed; bottom: 24px; right: 24px; z-index: 3000;
  padding: 14px 20px; border-radius: var(--radius);
  font-size: 14px; font-weight: 600;
  transform: translateY(100px); opacity: 0;
  transition: all 0.3s ease;
  max-width: 340px;
}
.toast.show { transform: translateY(0); opacity: 1; }
.toast.success { background: var(--green); color: var(--black); }
.toast.error { background: var(--red); color: var(--white); }
.toast.info { background: var(--orange); color: var(--white); }

/* ======================================
   IRONGRIT BRAND ELEMENTS
   ====================================== */
.hero-tagline {
  font-family: var(--font-display);
  font-size: clamp(48px, 7vw, 90px);
  color: var(--orange);
  line-height: 0.9;
  letter-spacing: 2px;
  margin-bottom: 24px;
  text-shadow: 0 0 60px rgba(255,92,0,0.5);
  animation: fadeInUp 0.6s 0.25s ease both;
}

.filosofia-strip { background: var(--orange); padding: 48px 0; }
.filosofia-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 40px; flex-wrap: wrap;
}
.filosofia-quote {
  font-family: var(--font-display);
  font-size: clamp(24px, 4vw, 42px);
  color: var(--black); letter-spacing: 0.5px;
}
.filosofia-desc {
  max-width: 460px; font-size: 16px;
  color: rgba(0,0,0,0.75); line-height: 1.7; font-weight: 500;
}

.cta-label {
  font-size: 12px; font-weight: 800; text-transform: uppercase;
  letter-spacing: 2px; color: var(--orange); margin-bottom: 12px;
}

.manifesto-section {
  padding: 80px 0; background: var(--dark-2);
  border-top: 1px solid var(--border);
}
.manifesto-inner {
  display: flex; align-items: center; justify-content: center;
  gap: 32px; flex-wrap: wrap;
}
.manifesto-item {
  font-family: var(--font-display);
  font-size: clamp(36px, 6vw, 72px);
  color: var(--white-40); letter-spacing: 1px;
  transition: color var(--transition);
}
.manifesto-item:hover { color: var(--white); }
.manifesto-item.accent { color: var(--orange); }
.manifesto-item.accent:hover { color: var(--orange-light); }
.manifesto-divider { font-size: 28px; color: var(--orange); opacity: 0.5; }

/* ======================================
   ANIMATIONS
   ====================================== */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes float1 {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-12px); }
}
@keyframes float2 {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-8px); }
}
@keyframes shimmer {
  from { transform: translateX(-100%); }
  to { transform: translateX(100%); }
}
@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}
@keyframes pulse-border {
  from { border-color: rgba(255,61,61,0.4); }
  to { border-color: rgba(255,61,61,1); }
}

/* ======================================
   RESPONSIVE
   ====================================== */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .hero-visual { display: none; }
  .modal-grid { grid-template-columns: 1fr; }
  .dashboard-layout { grid-template-columns: 1fr; }
  .sidebar { position: static; height: auto; }
  .dashboard-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-links.open {
    display: flex; flex-direction: column; position: fixed;
    top: 68px; left: 0; right: 0;
    background: var(--dark-2); border-bottom: 1px solid var(--border);
    padding: 16px 24px 24px; z-index: 999;
  }
  .nav-toggle { display: flex; }
  .hero { padding: 100px 24px 48px; }
  .hero-title { font-size: 64px; }
  .exercises-header { flex-direction: column; }
  .cta-box { flex-direction: column; }
  .footer-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .modal-grid { grid-template-columns: 1fr; }
  .modal-stats-row { grid-template-columns: repeat(2, 1fr); }
  .timer-time { font-size: 56px; }
}
@media (max-width: 480px) {
  .hero-title { font-size: 52px; }
  .hero-actions { flex-direction: column; }
  .hero-stats { gap: 20px; }
  .auth-card { padding: 28px 20px; }
  .dashboard-main { padding: 20px; }
}

/* Muscle filter optgroup styling */
.filter-select optgroup {
  color: var(--white-40);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
}
.filter-select option {
  color: var(--white);
  background: var(--dark-3);
  font-size: 14px;
}

/* ======================================
   EXERCISE CARD VISUAL (replaces photos)
   ====================================== */
.exercise-card-visual {
  width: 100%; aspect-ratio: 16/9;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  position: relative; overflow: hidden;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}
.exercise-card-visual::before {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(255,92,0,0.15) 0%, transparent 60%);
}
.exercise-card-visual::after {
  content: '';
  position: absolute; bottom: 0; left: 0; right: 0; height: 40%;
  background: linear-gradient(to top, rgba(0,0,0,0.5), transparent);
}
.exercise-card-visual-emoji {
  font-size: 52px; z-index: 1;
  filter: drop-shadow(0 4px 12px rgba(0,0,0,0.4));
  transition: transform 0.3s ease;
}
.exercise-card:hover .exercise-card-visual-emoji {
  transform: scale(1.15);
}
.exercise-card-visual-muscle {
  position: absolute; bottom: 10px; right: 12px; z-index: 2;
  font-size: 11px; font-weight: 700; color: rgba(255,255,255,0.7);
  text-transform: uppercase; letter-spacing: 1px;
}
.exercises-grid.list-view .exercise-card-visual {
  width: 140px; aspect-ratio: 1;
  border-radius: var(--radius-lg) 0 0 var(--radius-lg);
  flex-shrink: 0;
}
.exercises-grid.list-view .exercise-card-visual-emoji { font-size: 40px; }

/* ======================================
   HUMAN BODY MUSCLE SELECTOR
   ====================================== */
.body-selector-section {
  padding: 60px 0;
  background: var(--dark-2);
  border-bottom: 1px solid var(--border);
}
.body-selector-section .section-title { margin-bottom: 8px; }
.body-selector-section .section-subtitle { margin-bottom: 40px; }

.body-selector-layout {
  display: grid;
  grid-template-columns: 1fr 280px 1fr;
  gap: 32px; align-items: start;
}
.body-view-toggle {
  display: flex; gap: 8px; justify-content: center;
  margin-bottom: 20px;
}
.body-view-btn {
  padding: 8px 20px; border-radius: 8px; font-size: 13px; font-weight: 600;
  background: var(--white-05); border: 1.5px solid var(--border); color: var(--white-60);
  transition: all var(--transition);
}
.body-view-btn.active {
  background: var(--orange); border-color: var(--orange); color: var(--white);
}
.body-svg-container {
  position: relative; display: flex; justify-content: center;
}
.body-svg-container svg {
  width: 100%; max-width: 260px; height: auto;
  filter: drop-shadow(0 8px 32px rgba(0,0,0,0.5));
}
.muscle-group {
  cursor: pointer;
  transition: all 0.2s ease;
}
.muscle-group path, .muscle-group ellipse, .muscle-group circle, .muscle-group polygon {
  fill: #2a2a3e;
  stroke: rgba(255,92,0,0.3);
  stroke-width: 0.8;
  transition: all 0.2s ease;
}
.muscle-group:hover path, .muscle-group:hover ellipse,
.muscle-group:hover circle, .muscle-group:hover polygon {
  fill: rgba(255,92,0,0.6);
  stroke: var(--orange);
  stroke-width: 1.2;
}
.muscle-group.active path, .muscle-group.active ellipse,
.muscle-group.active circle, .muscle-group.active polygon {
  fill: var(--orange);
  stroke: var(--orange-light);
  stroke-width: 1.5;
}
.muscle-group .muscle-label {
  font-size: 7px; font-weight: 700;
  fill: rgba(255,255,255,0.5);
  text-anchor: middle; pointer-events: none;
  transition: fill 0.2s;
}
.muscle-group:hover .muscle-label,
.muscle-group.active .muscle-label {
  fill: white;
}

.body-muscle-list {
  display: flex; flex-direction: column; gap: 8px;
}
.body-muscle-list h4 {
  font-size: 11px; font-weight: 700; text-transform: uppercase;
  letter-spacing: 1.5px; color: var(--white-40); margin-bottom: 4px; margin-top: 12px;
}
.body-muscle-list h4:first-child { margin-top: 0; }
.muscle-list-btn {
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 14px; border-radius: 10px;
  background: var(--white-05); border: 1.5px solid var(--border);
  color: var(--white-80); font-size: 13px; font-weight: 500;
  transition: all var(--transition); cursor: pointer; width: 100%;
  text-align: left;
}
.muscle-list-btn:hover {
  border-color: var(--orange); color: var(--white);
  background: var(--orange-glow);
}
.muscle-list-btn.active {
  background: var(--orange); border-color: var(--orange);
  color: var(--white); font-weight: 700;
}
.muscle-list-btn .muscle-count {
  font-size: 11px; opacity: 0.7;
  background: rgba(255,255,255,0.1);
  padding: 2px 7px; border-radius: 100px;
}
.muscle-list-btn.active .muscle-count { background: rgba(255,255,255,0.2); }

.body-selected-info {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 20px;
  min-height: 80px;
}
.body-selected-title {
  font-family: var(--font-display); font-size: 28px;
  color: var(--orange); margin-bottom: 6px;
}
.body-selected-sub {
  font-size: 13px; color: var(--white-60); margin-bottom: 14px;
}
.body-selected-action {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 9px 18px; background: var(--orange);
  border-radius: 8px; font-size: 13px; font-weight: 700;
  color: white; cursor: pointer; border: none;
  transition: all var(--transition);
}
.body-selected-action:hover {
  background: var(--orange-light); transform: translateY(-1px);
}

@media (max-width: 900px) {
  .body-selector-layout {
    grid-template-columns: 1fr;
  }
  .body-svg-container { order: -1; }
}