/* ══════════════════════════════════════════
   SAKUKO CULTURE APP — Global Styles
   ══════════════════════════════════════════ */

:root {
  --pink:        #e84393;
  --pink-light:  #fce7f3;
  --pink-pale:   #fff0f8;
  --navy:        #1e1b4b;
  --navy-mid:    #2d2a6e;
  --white:       #ffffff;
  --gray-100:    #f8f8fa;
  --gray-200:    #f0eef5;
  --gray-400:    #c4b8d0;
  --gray-600:    #7a6e8a;
  --gray-800:    #3d3450;
  --text:        #2d2a3e;
  --muted:       #8a7fa0;
  --radius:      14px;
  --radius-sm:   8px;
  --shadow:      0 2px 16px rgba(30,27,75,0.08);
  --shadow-md:   0 4px 24px rgba(30,27,75,0.12);
  --transition:  0.2s ease;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 15px; scroll-behavior: smooth; }

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: var(--gray-100);
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
}

/* ── Layout ── */
.app-shell {
  display: flex;
  min-height: 100vh;
}

/* ── Sidebar ── */
.sidebar {
  width: 220px;
  min-width: 220px;
  background: var(--navy);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 100;
  overflow-y: auto;
}

.sidebar-logo {
  padding: 24px 20px 16px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.sidebar-logo img {
  height: 32px;
  filter: brightness(0) invert(1);
}

.sidebar-logo-text {
  font-size: 18px;
  font-weight: 800;
  color: #fff;
  letter-spacing: 1px;
}

.sidebar-logo-sub {
  font-size: 10px;
  color: rgba(255,255,255,0.45);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-top: 2px;
}

.sidebar-nav {
  flex: 1;
  padding: 12px 0;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 20px;
  color: rgba(255,255,255,0.6);
  font-size: 13.5px;
  font-weight: 500;
  cursor: pointer;
  border-radius: 0;
  transition: var(--transition);
  border-left: 3px solid transparent;
  text-decoration: none;
}

.nav-item:hover {
  background: rgba(255,255,255,0.07);
  color: #fff;
}

.nav-item.active {
  background: rgba(232,67,147,0.15);
  color: #fff;
  border-left-color: var(--pink);
}

.nav-item .nav-icon { font-size: 16px; width: 20px; text-align: center; }

.sidebar-user {
  padding: 16px 20px;
  border-top: 1px solid rgba(255,255,255,0.08);
}

.sidebar-user-card {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  padding: 8px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.sidebar-user-card:hover { background: rgba(255,255,255,0.07); }

.avatar {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--pink), var(--navy-mid));
  display: flex; align-items: center; justify-content: center;
  font-size: 14px; font-weight: 700; color: #fff;
  flex-shrink: 0;
  overflow: hidden;
}

.avatar img { width: 100%; height: 100%; object-fit: cover; }

.avatar-lg {
  width: 72px; height: 72px;
  font-size: 24px;
}

.avatar-sm {
  width: 28px; height: 28px;
  font-size: 11px;
}

.sidebar-user-name {
  font-size: 13px;
  font-weight: 600;
  color: #fff;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sidebar-user-role {
  font-size: 11px;
  color: rgba(255,255,255,0.4);
}

/* ── Main content ── */
.main-content {
  margin-left: 220px;
  flex: 1;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ── Top bar ── */
.topbar {
  background: var(--white);
  border-bottom: 1px solid var(--gray-200);
  padding: 12px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 50;
}

.topbar-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--navy);
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* ── Page content ── */
.page-content {
  padding: 24px 28px;
  flex: 1;
}

.page { display: none; }
.page.active { display: block; }

/* ── Cards ── */
.card {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.card-pad { padding: 20px; }
.card-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--gray-200);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.card-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--navy);
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 18px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--pink), #c0167a);
  color: #fff;
  box-shadow: 0 2px 10px rgba(232,67,147,0.3);
}

.btn-primary:hover { opacity: 0.9; transform: translateY(-1px); }

.btn-outline {
  background: transparent;
  border: 1.5px solid var(--pink);
  color: var(--pink);
}

.btn-outline:hover { background: var(--pink-light); }

.btn-ghost {
  background: var(--gray-200);
  color: var(--gray-800);
}

.btn-ghost:hover { background: var(--gray-400); }

.btn-navy {
  background: var(--navy);
  color: #fff;
}

.btn-sm { padding: 5px 14px; font-size: 12px; }
.btn-lg { padding: 12px 28px; font-size: 15px; }

/* ── Badge ── */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 10px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.3px;
}

.badge-pink  { background: var(--pink-light); color: var(--pink); }
.badge-navy  { background: rgba(30,27,75,0.08); color: var(--navy); }
.badge-green { background: #e6f9f0; color: #0a7a45; }
.badge-gold  { background: #fff8e1; color: #b7860a; }

/* ── Form elements ── */
.form-group { margin-bottom: 16px; }

.form-label {
  display: block;
  font-size: 12px;
  font-weight: 700;
  color: var(--gray-800);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.form-control {
  width: 100%;
  padding: 10px 14px;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-sm);
  font-size: 13.5px;
  color: var(--text);
  background: var(--white);
  transition: var(--transition);
  outline: none;
  font-family: inherit;
}

.form-control:focus {
  border-color: var(--pink);
  box-shadow: 0 0 0 3px rgba(232,67,147,0.1);
}

textarea.form-control { resize: vertical; min-height: 90px; }

/* ── Grid ── */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; }
.grid-4 { display: grid; grid-template-columns: repeat(4,1fr); gap: 16px; }

/* ── Stat cards ── */
.stat-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 18px 20px;
  display: flex;
  align-items: center;
  gap: 14px;
  box-shadow: var(--shadow);
}

.stat-icon {
  width: 44px; height: 44px;
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}

.stat-value {
  font-size: 22px;
  font-weight: 800;
  color: var(--navy);
  line-height: 1;
}

.stat-label {
  font-size: 11px;
  color: var(--muted);
  margin-top: 3px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* ── Section header ── */
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}

.section-title {
  font-size: 15px;
  font-weight: 800;
  color: var(--navy);
  display: flex;
  align-items: center;
  gap: 7px;
}

/* ── Toast ── */
#toast {
  position: fixed;
  bottom: 24px; right: 24px;
  background: var(--navy);
  color: #fff;
  padding: 12px 20px;
  border-radius: 10px;
  font-size: 13.5px;
  font-weight: 600;
  z-index: 9999;
  opacity: 0;
  transform: translateY(10px);
  transition: all 0.3s ease;
  max-width: 320px;
  box-shadow: var(--shadow-md);
}

#toast.show {
  opacity: 1;
  transform: translateY(0);
}

/* ── Login overlay ── */
#login-overlay {
  position: fixed;
  inset: 0;
  background: linear-gradient(135deg, var(--navy) 0%, #3d1a6e 50%, #c0167a 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9000;
  flex-direction: column;
  gap: 24px;
}

.login-card {
  background: rgba(255,255,255,0.06);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 20px;
  padding: 40px 36px;
  text-align: center;
  max-width: 360px;
  width: 90%;
}

/* ── Submenu ── */
.sub-menu {
  display: none;
  background: rgba(0,0,0,0.15);
}
.sub-menu.open { display: block; }
.nav-sub {
  padding-left: 36px !important;
  font-size: 12.5px !important;
}

/* ── Divider ── */
.divider {
  height: 1px;
  background: var(--gray-200);
  margin: 16px 0;
}

/* ── Filter tabs ── */
.filter-tabs {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.filter-tab {
  padding: 5px 14px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  border: 1.5px solid var(--gray-200);
  background: var(--white);
  color: var(--muted);
  transition: var(--transition);
}

.filter-tab.active, .filter-tab:hover {
  border-color: var(--pink);
  color: var(--pink);
  background: var(--pink-light);
}

/* ── Post card ── */
.post-card {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  margin-bottom: 14px;
  overflow: hidden;
}

.post-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 16px 10px;
}

.post-meta { flex: 1; }
.post-author { font-size: 13.5px; font-weight: 700; color: var(--navy); }
.post-time { font-size: 11px; color: var(--muted); margin-top: 1px; }
.post-body { padding: 0 16px 12px; font-size: 13.5px; line-height: 1.65; color: var(--text); }
.post-image { width: 100%; max-height: 300px; object-fit: cover; }
.post-actions {
  display: flex;
  gap: 6px;
  padding: 10px 16px;
  border-top: 1px solid var(--gray-200);
}

.action-btn {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 5px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  color: var(--muted);
  background: none;
  border: none;
  cursor: pointer;
  transition: var(--transition);
}

.action-btn:hover { background: var(--gray-100); color: var(--pink); }

/* ── Mobile bottom nav ── */
.mobile-nav {
  display: none;
  position: fixed;
  bottom: 0; left: 0; right: 0;
  background: var(--white);
  border-top: 1px solid var(--gray-200);
  z-index: 100;
  padding: 6px 0 env(safe-area-inset-bottom, 0);
}

.mobile-nav-items {
  display: flex;
  justify-content: space-around;
}

.mobile-nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: 6px 8px;
  cursor: pointer;
  color: var(--muted);
  font-size: 9px;
  font-weight: 600;
  border: none;
  background: none;
  transition: var(--transition);
  min-width: 44px;
}

.mobile-nav-item .nav-icon { font-size: 20px; }
.mobile-nav-item.active { color: var(--pink); }

/* ── Mobile topbar ── */
.mobile-topbar {
  display: none;
  background: var(--navy);
  padding: 10px 16px;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 50;
}

/* ── Post composer buttons ── */
.post-type-btn {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 6px 14px;
  border-radius: 8px;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--gray-800);
  background: none;
  border: none;
  cursor: pointer;
  transition: var(--transition);
}
.post-type-btn:hover { background: var(--gray-100); color: var(--pink); }

/* ── Reaction buttons ── */
.reaction-btn {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 5px 10px;
  border-radius: 8px;
  font-size: 12px;
  font-weight: 600;
  color: var(--muted);
  background: none;
  border: none;
  cursor: pointer;
  transition: var(--transition);
}
.reaction-btn:hover { background: var(--gray-100); color: var(--pink); }
.reaction-btn.active { color: var(--pink); background: var(--pink-light); }

/* ── Value chips ── */
.value-chip {
  padding: 7px 12px;
  border-radius: 8px;
  font-size: 12px;
  font-weight: 700;
  color: var(--navy);
  cursor: pointer;
  transition: var(--transition);
}
.value-chip:hover { filter: brightness(0.95); }

/* ── Comment box ── */
.comment-list { display: flex; flex-direction: column; gap: 8px; }
.comment-item {
  display: flex;
  gap: 8px;
  align-items: flex-start;
}
.comment-bubble {
  background: var(--gray-100);
  border-radius: 12px;
  padding: 7px 12px;
  font-size: 12.5px;
  line-height: 1.5;
  flex: 1;
}
.comment-author { font-weight: 700; color: var(--navy); font-size: 12px; }

/* ── Responsive ── */
@media (max-width: 768px) {
  .sidebar { display: none; }
  .main-content { margin-left: 0; padding-bottom: 70px; }
  .topbar { display: none; }
  .mobile-topbar { display: flex; }
  .mobile-nav { display: block; }
  .page-content { padding: 14px 14px; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .home-layout { grid-template-columns: 1fr !important; }
  .home-layout > div:last-child { order: -1; }
  .rec-layout { grid-template-columns: 1fr !important; }
}

@media (max-width: 480px) {
  .grid-2 { grid-template-columns: 1fr; }
  .values-grid { grid-template-columns: repeat(3,1fr) !important; }
}