/* =======================================================
   HAYAGRIVA Portal — Shared Mobile Responsive Stylesheet
   Loaded by: index, employees, students, professionals,
              login, signup pages
   Breakpoints:
     768px — tablet: collapse sidebar, hamburger nav
     480px — mobile: single column, full-width
     375px — small phone: tighten spacing/fonts
   ======================================================= */

.nav-container { position: relative; }

/* ── Unified Header Brand Sub-Title ──────────────────── */
.brand-logo {
  display: inline-flex;
  align-items: baseline;
  gap: 5px;
}
.brand-logo .brand-sub {
  font-family: var(--font-heading), 'Google Sans', sans-serif;
  font-weight: 600;
  color: #212121;
  font-size: 11px;
  letter-spacing: 0.6px;
  text-transform: uppercase;
  opacity: 0.7;
}

.page-subtitle-banner {
  display: none !important;
}

/* ── Hamburger button (hidden on desktop) ─────────────── */
.nav-hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px 8px;
  border-radius: 6px;
  color: var(--text-main);
  transition: background 0.2s;
}
.nav-hamburger:hover { background: var(--primary-light); }
.nav-hamburger svg { display: block; width: 22px; height: 22px; }

/* Mobile nav drawer */
.nav-mobile-drawer {
  display: none;
  position: fixed;
  top: 64px;
  left: 0; right: 0;
  background: #FFFFFF;
  border-bottom: 1px solid var(--border-color);
  box-shadow: 0 4px 16px rgba(0,0,0,0.1);
  z-index: 999;
  padding: 12px 16px 16px;
  flex-direction: column;
  gap: 4px;
}
.nav-mobile-drawer.open { display: flex; }
.nav-mobile-drawer a,
.nav-mobile-drawer li a {
  display: block;
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-main);
  text-decoration: none;
  transition: background 0.15s;
}
.nav-mobile-drawer a:hover,
.nav-mobile-drawer li a:hover { background: var(--primary-light); color: var(--primary-color); }
.nav-mobile-drawer .login-btn {
  background: var(--primary-color) !important;
  color: #FFFFFF !important;
  margin-top: 6px;
  text-align: center;
}

/* ── Filter drawer toggle (IDE pages) ────────────────── */
.filter-drawer-toggle {
  display: none;
  background: var(--primary-color);
  color: #fff;
  border: none;
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 13.5px;
  font-weight: 700;
  cursor: pointer;
  gap: 6px;
  align-items: center;
  margin-bottom: 12px;
  width: 100%;
  justify-content: center;
}
.filter-drawer-toggle svg { width: 16px; height: 16px; flex-shrink: 0; }

/* Panel-left as overlay on tablet/mobile */
.panel-left-overlay {
  position: fixed !important;
  top: 64px !important;
  left: -280px !important;
  bottom: 0 !important;
  width: 270px !important;
  min-width: unset !important;
  height: calc(100vh - 64px) !important;
  z-index: 900 !important;
  box-shadow: 4px 0 20px rgba(0,0,0,0.15) !important;
  transition: left 0.28s cubic-bezier(0.4,0,0.2,1) !important;
  overflow-y: auto !important;
}
.panel-left-overlay.open { left: 0 !important; }

/* Scrim behind the drawer */
.panel-scrim {
  display: none;
  position: fixed;
  inset: 64px 0 0 0;
  background: rgba(0,0,0,0.35);
  z-index: 850;
}
.panel-scrim.visible { display: block; }

/* ── TABLET (≤ 768px) ─────────────────────────────────── */
@media (max-width: 768px) {

  /* Nav: hide links, show hamburger */
  .nav-links { display: none !important; }
  .nav-hamburger { display: flex; align-items: center; }
  .page-subtitle-banner { display: none !important; }

  /* IDE: hide left panel by default, show toggle button */
  .panel-left {
    position: fixed !important;
    top: 64px !important;
    left: -280px !important;
    bottom: 0 !important;
    width: 270px !important;
    min-width: unset !important;
    height: calc(100vh - 64px) !important;
    z-index: 900 !important;
    box-shadow: 4px 0 20px rgba(0,0,0,0.15) !important;
    transition: left 0.28s cubic-bezier(0.4,0,0.2,1) !important;
    overflow-y: auto !important;
    background: #FFFFFF !important;
  }
  .panel-left.open { left: 0 !important; }

  /* Show the filter toggle button in center panel */
  .filter-drawer-toggle { display: flex; }

  /* Hide right inspector panel & IDE simulator (not needed on mobile) */
  .panel-right { display: none !important; }
  .ide-simulator { display: none !important; }

  /* Card grid: allow narrower cards */
  .cards-grid {
    grid-template-columns: repeat(auto-fill, minmax(min(300px, 100%), 1fr)) !important;
  }

  /* Skill cards full width */
  .skill-card { width: 100%; }

  /* Hero section adjustments */
  .hero-section { padding: 36px 16px 32px; }
  .hero-logo-card { padding: 24px 28px; }
  .hero-nav-buttons { gap: 10px; }
  .btn-hero-anchor { padding: 10px 20px; font-size: 14px; }

  /* Marketing section text */
  .sec-title { font-size: 24px !important; }
  .sec-subtitle { font-size: 14px !important; }
  .feature-cards-grid {
    grid-template-columns: 1fr !important;
    gap: 16px !important;
  }

  /* Modal safety */
  .modal-card { width: 95vw !important; max-width: 95vw !important; padding: 18px !important; }
  .studio-modal-card { width: 97vw !important; max-width: 97vw !important; padding: 18px !important; }
  .ai-modal-card { width: 95vw !important; max-width: 95vw !important; padding: 18px !important; }

  /* Studio thumbnails don't overflow */
  .studio-yt-thumb { aspect-ratio: 16/9; width: 100%; }

  /* Auth card full width on tablet */
  .auth-card { padding: 1.75rem 1.25rem !important; }
}

/* ── MOBILE (≤ 480px) ─────────────────────────────────── */
@media (max-width: 480px) {

  /* Nav height tighter */
  .header-nav { height: 56px !important; }
  .nav-mobile-drawer { top: 56px; }
  .panel-left { top: 56px; height: calc(100vh - 56px); }
  .panel-scrim { top: 56px; }

  /* Card grid: always single column */
  .cards-grid,
  .segments-grid {
    grid-template-columns: 1fr !important;
    gap: 14px !important;
  }

  /* Cards: tighten padding */
  .skill-card { padding: 16px !important; }

  /* Buttons: full width on very small screens */
  .btn-card-play, .btn-card-share { padding: 10px 10px !important; font-size: 12.5px !important; }

  /* Section padding */
  .marketing-section { padding: 44px 16px !important; }

  /* Hero logo smaller */
  .hero-logo-card img { max-height: 150px !important; }
  .hero-logo-card { padding: 18px 20px !important; }

  /* IDE panels */
  .panel-center { padding: 14px !important; }

  /* Modals */
  .modal-card { padding: 16px !important; }
  .studio-modal-card { padding: 14px !important; }
  .studio-reel-card { padding: 12px !important; }

  /* Player modal header  */
  .player-modal-title { font-size: 12px !important; }

  /* Auth forms */
  .auth-wrapper { padding: 24px 12px !important; }
  .auth-card { padding: 1.5rem 1rem !important; border-radius: 10px !important; }
}

/* ── SMALL PHONE (≤ 375px) ───────────────────────────── */
@media (max-width: 375px) {

  .brand-logo { font-size: 17px !important; }
  .sec-title { font-size: 21px !important; }
  .filter-input { font-size: 13px !important; }
  .skill-title { font-size: 15px !important; }
  .skill-desc-text { font-size: 12px !important; }
  .panel-center { padding: 10px !important; }
  .btn-card-play, .btn-card-share { font-size: 12px !important; }
  .hero-nav-buttons { flex-direction: column; align-items: stretch; }
  .btn-hero-anchor { text-align: center; padding: 10px 16px; }
}

/* ── IDE pages: center panel needs left:0 on mobile ──── */
@media (max-width: 768px) {
  .ide-container {
    position: relative;
    flex-direction: column;
  }
  .panel-center {
    width: 100% !important;
    min-width: unset !important;
  }
}

/* ── Skill India Digital Style Center Panel Sector Grid ────────────────── */
.sid-sector-container {
  margin-bottom: 24px;
}

.sid-sector-header {
  margin-bottom: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.sid-sector-header-title {
  font-family: var(--font-heading);
  font-size: 22px;
  font-weight: 700;
  color: var(--text-main);
}

.btn-back-sectors {
  background: var(--primary-light);
  color: var(--primary-color);
  border: 1px solid rgba(14, 116, 144, 0.2);
  padding: 8px 16px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 13.5px;
  cursor: pointer;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.btn-back-sectors:hover {
  background: var(--primary-color);
  color: #FFFFFF;
}

.sid-sector-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
  margin-bottom: 28px;
}

.sid-sector-card {
  background: #FFFFFF;
  border: 1px solid var(--border-color);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
  cursor: pointer;
  display: flex;
  flex-direction: column;
}

.sid-sector-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.08);
  border-color: var(--primary-color);
}

.sid-sector-img-wrap {
  width: 100%;
  height: 140px;
  background-color: #F1F5F9;
  overflow: hidden;
  position: relative;
}

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

.sid-sector-card:hover .sid-sector-img {
  transform: scale(1.05);
}

.sid-sector-body {
  padding: 18px 20px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.sid-sector-title {
  font-family: var(--font-heading);
  font-size: 16px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 8px;
  line-height: 1.3;
}

.sid-sector-desc {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Active Sector Filter Bar */
.active-sector-bar {
  background: #E0F2FE;
  border: 1px solid #7DD3FC;
  color: #0369A1;
  padding: 12px 20px;
  border-radius: 10px;
  margin-bottom: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 14px;
}

.btn-clear-sector {
  background: #0284C7;
  color: #FFFFFF;
  border: none;
  padding: 6px 14px;
  border-radius: 6px;
  font-weight: 600;
  font-size: 12.5px;
  cursor: pointer;
  transition: background 0.2s ease;
}

.btn-clear-sector:hover {
  background: #0369A1;
}