/* ===== RESET & BASE ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Inter', sans-serif;
}

body {
  background: #0a0e17;
  color: #f1f5f9;
  transition: 0.4s;
  overflow-x: hidden;
}

body.light {
  background: #f0f4f8;
  color: #0a0e17;
}

body.light .navbar {
  background: rgba(240, 244, 248, 0.85);
  border-bottom-color: rgba(0, 0, 0, 0.04);
}

body.light .card {
  background: #ffffff;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.04);
}

body.light .modal-content {
  background: #ffffff;
  color: #0a0e17;
}

body.light .bottom-nav {
  background: rgba(240, 244, 248, 0.9);
  border-top-color: rgba(0, 0, 0, 0.04);
}

body.light .search-wrap {
  background: rgba(0, 0, 0, 0.04);
}

body.light .search-wrap input {
  color: #0a0e17;
}

body.light .profile-modal .modal-content {
  background: #ffffff;
  color: #0a0e17;
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: #0a0e17;
}
::-webkit-scrollbar-thumb {
  background: #2563eb;
  border-radius: 10px;
}

a {
  text-decoration: none;
  color: inherit;
}

img {
  display: block;
  width: 100%;
  height: auto;
}

/* ===== NAVBAR ===== */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(10, 14, 23, 0.82);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.03);
  flex-wrap: wrap;
  gap: 12px;
}

.logo {
  font-weight: 900;
  font-size: 1.5rem;
  background: linear-gradient(135deg, #60a5fa, #2563eb);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: -0.5px;
}

.logo i {
  -webkit-text-fill-color: #2563eb;
  margin-right: 4px;
}

.nav-links {
  display: flex;
  gap: 28px;
  font-weight: 500;
  color: #94a3b8;
  font-size: 0.9rem;
}

.nav-links a {
  transition: 0.2s;
  cursor: pointer;
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: #2563eb;
  transition: 0.3s;
}

.nav-links a:hover {
  color: #fff;
}

.nav-links a:hover::after {
  width: 100%;
}

.nav-actions {
  display: flex;
  gap: 18px;
  align-items: center;
}

.nav-actions i {
  font-size: 1.2rem;
  color: #94a3b8;
  cursor: pointer;
  transition: 0.2s;
}

.nav-actions i:hover {
  color: #fff;
}

/* ===== AUTH ===== */
#authSection {
  display: flex;
  align-items: center;
  gap: 12px;
}

#authSection button {
  background: #2563eb;
  border: none;
  padding: 8px 20px;
  border-radius: 40px;
  color: #fff;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: 0.25s;
  font-size: 0.85rem;
}

#authSection button:hover {
  background: #1d4ed8;
  transform: scale(1.02);
}

.user-profile {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  padding: 4px 12px 4px 4px;
  border-radius: 40px;
  background: rgba(255, 255, 255, 0.04);
  transition: 0.2s;
}

.user-profile:hover {
  background: rgba(255, 255, 255, 0.08);
}

.user-profile img {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid #2563eb;
}

.user-profile span {
  font-weight: 500;
  font-size: 0.85rem;
}

#logoutBtn {
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid rgba(239, 68, 68, 0.2);
  padding: 4px 14px;
  border-radius: 30px;
  color: #ef4444;
  font-size: 0.7rem;
  cursor: pointer;
  transition: 0.2s;
}

#logoutBtn:hover {
  background: rgba(239, 68, 68, 0.25);
}

/* ===== SEARCH BAR ===== */
.search-bar-container {
  padding: 16px 20px 8px;
  max-width: 600px;
  margin: 0 auto;
}

.search-wrap {
  background: rgba(255, 255, 255, 0.04);
  border-radius: 80px;
  padding: 4px 4px 4px 24px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  transition: 0.35s;
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  gap: 8px;
}

.search-wrap:focus-within {
  border-color: rgba(37, 99, 235, 0.4);
  box-shadow: 0 0 40px rgba(37, 99, 235, 0.06);
}

.search-wrap input {
  background: transparent;
  border: none;
  outline: none;
  color: #fff;
  width: 100%;
  font-size: 0.95rem;
  padding: 14px 0;
}

.search-wrap input::placeholder {
  color: #64748b;
}

.search-wrap button {
  background: linear-gradient(135deg, #2563eb, #1d4ed8);
  border: none;
  padding: 10px 28px;
  border-radius: 60px;
  color: #fff;
  font-weight: 600;
  cursor: pointer;
  transition: 0.25s;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
  box-shadow: 0 8px 24px rgba(37, 99, 235, 0.25);
}

.search-wrap button:hover {
  transform: scale(1.03);
  box-shadow: 0 12px 32px rgba(37, 99, 235, 0.35);
}

/* ===== SECTION TITLE ===== */
.section-title {
  font-size: 1.6rem;
  font-weight: 800;
  padding: 30px 24px 16px;
  letter-spacing: -0.5px;
}

.section-title span {
  color: #3b82f6;
}

/* ===== CATEGORIES ===== */
.category-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  padding: 0 20px 30px;
}

@media (max-width: 768px) {
  .category-grid { grid-template-columns: repeat(2, 1fr); }
}

.cat-card {
  position: relative;
  border-radius: 24px;
  overflow: hidden;
  aspect-ratio: 4/3;
  display: flex;
  align-items: flex-end;
  padding: 20px;
  transition: 0.35s;
  cursor: pointer;
  border: 1px solid rgba(255, 255, 255, 0.02);
}

.cat-card:hover {
  transform: translateY(-6px) scale(1.01);
  box-shadow: 0 20px 40px rgba(37, 99, 235, 0.08);
}

.cat-card .overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(transparent 35%, rgba(0, 0, 0, 0.75));
}

.cat-card h3 {
  position: relative;
  z-index: 2;
  font-weight: 700;
  font-size: 1.1rem;
}

/* ===== MASONRY GRID ===== */
.masonry {
  columns: 4;
  column-gap: 18px;
  padding: 0 20px 40px;
}

@media (max-width: 1024px) { .masonry { columns: 3; } }
@media (max-width: 768px) { .masonry { columns: 2; } }

.masonry .card {
  break-inside: avoid;
  margin-bottom: 18px;
  background: #111927;
  border-radius: 24px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.02);
  transition: 0.35s;
  cursor: pointer;
  position: relative;
}

.masonry .card:hover {
  transform: translateY(-6px);
  box-shadow: 0 24px 48px rgba(37, 99, 235, 0.06);
}

.masonry .card img {
  width: 100%;
  display: block;
  transition: 0.5s;
}

.masonry .card:hover img {
  transform: scale(1.02);
}

.card-info { display: none; }

/* ===== LIVE WALLPAPER BADGE ===== */
.video-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  background: rgba(0, 0, 0, 0.65);
  color: #fff;
  backdrop-filter: blur(4px);
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 6px;
  z-index: 2;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

/* ===== MODAL ===== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.88);
  backdrop-filter: blur(30px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 20px;
}

.modal-overlay.show { display: flex; }

.modal-content {
  max-width: 540px;
  width: 100%;
  background: #111927;
  border-radius: 32px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.04);
  position: relative;
  animation: modalIn 0.3s ease;
}

@keyframes modalIn {
  from { opacity: 0; transform: scale(0.92) translateY(20px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

.modal-content img {
  width: 100%;
  aspect-ratio: 2/3;
  object-fit: cover;
}

.modal-body { padding: 24px; }
.modal-body h3 { font-size: 1.3rem; font-weight: 700; }
.modal-body .res { color: #94a3b8; font-size: 0.8rem; margin-top: 2px; }
.modal-actions { display: flex; gap: 10px; margin-top: 18px; flex-wrap: wrap; }

.btn {
  padding: 11px 22px;
  border: none;
  border-radius: 40px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  justify-content: center;
  flex: 1;
  transition: 0.25s;
  font-size: 0.85rem;
}

.btn-primary { background: #2563eb; color: #fff; }
.btn-primary:hover { background: #1d4ed8; transform: scale(1.02); }
.btn-secondary { background: rgba(255, 255, 255, 0.04); color: #fff; border: 1px solid rgba(255, 255, 255, 0.04); }
.btn-secondary:hover { background: rgba(255, 255, 255, 0.08); }

.modal-close {
  position: absolute;
  top: 14px;
  right: 14px;
  background: rgba(0, 0, 0, 0.5);
  border: none;
  color: #fff;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  cursor: pointer;
  backdrop-filter: blur(6px);
  transition: 0.2s;
  font-size: 1.1rem;
  z-index: 10;
}

/* ===== PROFILE MODAL ===== */
.profile-modal .modal-content { max-width: 400px; text-align: center; padding: 30px 24px; }
.profile-modal .modal-content img { width: 90px; height: 90px; border-radius: 50%; margin: 0 auto 16px; border: 3px solid #2563eb; object-fit: cover; }
.profile-modal .modal-content h2 { font-size: 1.4rem; }
.profile-modal .modal-content p { color: #94a3b8; font-size: 0.9rem; margin: 4px 0; }
.profile-modal .modal-content .email { color: #60a5fa; font-weight: 500; }
.profile-modal .modal-content .close-btn { margin-top: 18px; background: rgba(255, 255, 255, 0.05); border: none; padding: 10px 30px; border-radius: 40px; color: #fff; cursor: pointer; transition: 0.2s; }

/* ===== NEW CLEAN FOOTER ===== */
.footer-clean {
  text-align: center;
  padding: 40px 20px;
  background: transparent;
  border-top: 1px solid rgba(255, 255, 255, 0.04);
  font-size: 0.85rem;
  color: #64748b;
  margin-top: 20px;
}

body.light .footer-clean {
  border-top-color: rgba(0, 0, 0, 0.04);
  color: #64748b;
}

.footer-clean span {
  display: block;
  margin-top: 6px;
}

.footer-clean a {
  color: #2563eb;
  font-weight: 600;
  transition: 0.2s;
}

.footer-clean a:hover {
  text-decoration: underline;
}

/* ===== BOTTOM NAV ===== */
.bottom-nav {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  background: rgba(10, 14, 23, 0.92);
  backdrop-filter: blur(16px);
  border-top: 1px solid rgba(255, 255, 255, 0.03);
  justify-content: space-around;
  padding: 10px 0 18px;
  z-index: 99;
  display: none;
}

.bottom-nav a { display: flex; flex-direction: column; align-items: center; font-size: 0.6rem; color: #94a3b8; gap: 2px; cursor: pointer; }
.bottom-nav a i { font-size: 1.3rem; }
.bottom-nav a.active { color: #3b82f6; }

@media (max-width: 768px) {
  .bottom-nav { display: flex; }
  .nav-links { display: none; }
  body { padding-bottom: 70px; }
}

/* ===== TOAST & SCROLL ===== */
.toast {
  position: fixed; bottom: 90px; left: 50%; transform: translateX(-50%);
  background: #1e293b; color: #fff; padding: 12px 28px; border-radius: 60px;
  font-size: 0.85rem; opacity: 0; transition: 0.4s; z-index: 2000; pointer-events: none;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4); border: 1px solid rgba(255, 255, 255, 0.02);
}
.toast.show { opacity: 1; }

.scroll-top {
  position: fixed; bottom: 100px; right: 18px; width: 46px; height: 46px;
  background: #2563eb; border-radius: 50%; display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 1.2rem; cursor: pointer; opacity: 0; transition: 0.35s; border: none;
}
.scroll-top.visible { opacity: 1; }

.empty-state { color: #64748b; padding: 30px 16px; text-align: center; font-size: 0.95rem; }
.empty-state i { font-size: 2.5rem; margin-bottom: 12px; display: block; opacity: 0.3; }