/* ============================================
   Y GYM — admin.css
   Dashboard Premium Dark Theme
   ============================================ */

:root {
  --black:    #080808;
  --dark:     #0e0e0e;
  --dark-2:   #121212;
  --dark-3:   #181818;
  --dark-4:   #1e1e1e;
  --gold:     #c9a84c;
  --gold-2:   #e2c06a;
  --gold-dim: rgba(201,168,76,0.12);
  --white:    #f0f0ec;
  --white-80: rgba(240,240,236,0.8);
  --white-50: rgba(240,240,236,0.5);
  --white-20: rgba(240,240,236,0.2);
  --white-10: rgba(240,240,236,0.08);
  --red:      #e74c3c;
  --red-dim:  rgba(231,76,60,0.15);
  --green:    #2ecc71;
  --blue:     #3498db;
  --purple:   #9b59b6;

  --sidebar-w: 240px;
  --topbar-h:  60px;
  --font: 'DM Sans', sans-serif;
  --font-d: 'Bebas Neue', sans-serif;
  --ease: cubic-bezier(0.16,1,0.3,1);
  --radius: 6px;
  --shadow: 0 8px 32px rgba(0,0,0,0.4);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; }
body {
  background: var(--dark);
  color: var(--white);
  font-family: var(--font);
  min-height: 100vh;
}
a { color: inherit; text-decoration: none; }
button { cursor: pointer; }
::-webkit-scrollbar { width: 4px; height: 4px; }
::-webkit-scrollbar-track { background: var(--dark); }
::-webkit-scrollbar-thumb { background: var(--gold); border-radius: 2px; }

/* ─── LOGO ─────────────────────────────────── */
.logo-y   { color: var(--gold); font-family: var(--font-d); font-size: 1.6rem; }
.logo-gym { color: var(--white); font-family: var(--font-d); font-size: 1.2rem; letter-spacing: 0.15em; }

/* ─── LOGIN PAGE ────────────────────────────── */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--black);
  background-image: 
    radial-gradient(circle at 20% 20%, rgba(201,168,76,0.04) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(201,168,76,0.03) 0%, transparent 50%);
  padding: 2rem;
}
.login-card {
  background: var(--dark-2);
  border: 1px solid var(--white-10);
  border-radius: var(--radius);
  padding: 3rem 2.5rem;
  width: 100%;
  max-width: 420px;
  animation: cardIn 0.6s var(--ease);
}
@keyframes cardIn {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}
.login-logo {
  display: flex;
  align-items: baseline;
  gap: 0.2rem;
  margin-bottom: 0.5rem;
}
.login-tag {
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 2rem;
}
.login-title {
  font-family: var(--font-d);
  font-size: 2.5rem;
  letter-spacing: 0.05em;
  margin-bottom: 2.5rem;
  color: var(--white);
}
.login-form { display: flex; flex-direction: column; gap: 1.2rem; }
.form-group { display: flex; flex-direction: column; gap: 0.5rem; }
.form-group label {
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--white-50);
}
.form-group input {
  background: var(--dark-3);
  border: 1px solid var(--white-10);
  border-radius: var(--radius);
  color: var(--white);
  padding: 0.85rem 1rem;
  font-family: var(--font);
  font-size: 0.95rem;
  transition: border-color 0.3s;
  width: 100%;
}
.form-group input:focus { outline: none; border-color: var(--gold); }
.pwd-wrap { position: relative; }
.pwd-wrap input { padding-right: 3rem; }
.pwd-toggle {
  position: absolute;
  right: 0.8rem; top: 50%;
  transform: translateY(-50%);
  background: none; border: none;
  color: var(--white-50);
  width: 24px; height: 24px;
  display: flex; align-items: center; justify-content: center;
  transition: color 0.3s;
}
.pwd-toggle:hover { color: var(--gold); }
.pwd-toggle svg { width: 16px; height: 16px; }
.login-error {
  font-size: 0.8rem;
  color: var(--red);
  background: var(--red-dim);
  border-radius: var(--radius);
  padding: 0.5rem 0.8rem;
  display: none;
}
.login-error.show { display: block; }
.btn-gold {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: var(--gold);
  color: var(--black);
  border: none;
  border-radius: var(--radius);
  padding: 0.9rem 1.5rem;
  font-family: var(--font);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.3s var(--ease);
}
.btn-gold:hover {
  background: var(--gold-2);
  box-shadow: 0 0 30px rgba(201,168,76,0.3);
  transform: translateY(-1px);
}
.login-back {
  display: block;
  text-align: center;
  margin-top: 1.5rem;
  font-size: 0.8rem;
  color: var(--white-50);
  transition: color 0.3s;
}
.login-back:hover { color: var(--gold); }

/* ─── ADMIN LAYOUT ──────────────────────────── */
.admin-app {
  display: flex;
  min-height: 100vh;
}

/* SIDEBAR */
.sidebar {
  width: var(--sidebar-w);
  background: var(--dark-2);
  border-right: 1px solid var(--white-10);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 200;
  transition: transform 0.4s var(--ease);
}
.sidebar__logo {
  padding: 1.5rem 1.5rem 1rem;
  display: flex;
  align-items: baseline;
  gap: 0.2rem;
  border-bottom: 1px solid var(--white-10);
  position: relative;
}
.sidebar__badge {
  position: absolute;
  right: 1rem; top: 50%; transform: translateY(-50%);
  font-size: 0.6rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  background: var(--gold-dim);
  color: var(--gold);
  border: 1px solid var(--gold);
  padding: 0.2rem 0.4rem;
  border-radius: 2px;
}
.sidebar__nav {
  flex: 1;
  padding: 1.5rem 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}
.sidebar__link {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  padding: 0.7rem 0.75rem;
  border-radius: var(--radius);
  background: none;
  border: none;
  color: var(--white-50);
  font-family: var(--font);
  font-size: 0.85rem;
  font-weight: 400;
  width: 100%;
  text-align: left;
  transition: all 0.2s;
  cursor: pointer;
  position: relative;
}
.sidebar__link svg { width: 18px; height: 18px; flex-shrink: 0; }
.sidebar__link span { flex: 1; }
.sidebar__link:hover { background: var(--white-10); color: var(--white); }
.sidebar__link.active { background: var(--gold-dim); color: var(--gold); border: 1px solid rgba(201,168,76,0.2); }
.sidebar__count {
  background: var(--gold);
  color: var(--black);
  font-size: 0.65rem;
  font-weight: 700;
  padding: 0.1rem 0.45rem;
  border-radius: 999px;
  min-width: 20px;
  text-align: center;
}
.sidebar__footer {
  padding: 1rem;
  border-top: 1px solid var(--white-10);
  display: flex;
  align-items: center;
  gap: 0.8rem;
}
.sidebar__user {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  flex: 1;
  min-width: 0;
}
.sidebar__avatar {
  width: 34px; height: 34px;
  background: var(--gold-dim);
  border: 1px solid var(--gold);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.75rem; font-weight: 600;
  color: var(--gold);
  flex-shrink: 0;
}
.sidebar__user strong { display: block; font-size: 0.8rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.sidebar__user span { font-size: 0.7rem; color: var(--white-50); }
.sidebar__logout {
  background: none; border: none;
  color: var(--white-50);
  width: 32px; height: 32px;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius);
  transition: all 0.2s;
  flex-shrink: 0;
}
.sidebar__logout:hover { background: var(--red-dim); color: var(--red); }
.sidebar__logout svg { width: 16px; height: 16px; }

/* TOPBAR */
.topbar {
  display: none;
  align-items: center;
  gap: 1rem;
  padding: 0 1.5rem;
  height: var(--topbar-h);
  background: var(--dark-2);
  border-bottom: 1px solid var(--white-10);
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 300;
}
.topbar__burger {
  display: flex; flex-direction: column; gap: 4px;
  background: none; border: none;
}
.topbar__burger span {
  display: block; width: 22px; height: 1.5px;
  background: var(--white);
  transition: all 0.3s;
}
.topbar__logo { display: flex; align-items: baseline; gap: 0.2rem; }
.topbar__page {
  margin-left: auto;
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--white-50);
}

/* MAIN */
.admin-main {
  flex: 1;
  margin-left: var(--sidebar-w);
  padding: 2.5rem;
  min-height: 100vh;
}
.tab-content { display: none; }
.tab-content.active { display: block; animation: fadeIn 0.3s ease; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

/* PAGE HEADER */
.page-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}
.page-header h2 {
  font-family: var(--font-d);
  font-size: 2rem;
  letter-spacing: 0.05em;
  flex: 1;
}
.page-header__date { font-size: 0.8rem; color: var(--white-50); }
.page-header__actions { display: flex; gap: 0.8rem; align-items: center; }

/* KPI CARDS */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.2rem;
}
.kpi-card {
  background: var(--dark-3);
  border: 1px solid var(--white-10);
  border-radius: var(--radius);
  padding: 1.5rem;
  display: flex;
  align-items: center;
  gap: 1.2rem;
  transition: border-color 0.3s, transform 0.3s var(--ease);
}
.kpi-card:hover { border-color: var(--gold-dim); transform: translateY(-2px); }
.kpi-card__icon {
  width: 48px; height: 48px;
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.kpi-card__icon svg { width: 22px; height: 22px; }
.kpi-gold   { background: var(--gold-dim); color: var(--gold); }
.kpi-blue   { background: rgba(52,152,219,0.12); color: var(--blue); }
.kpi-green  { background: rgba(46,204,113,0.12); color: var(--green); }
.kpi-purple { background: rgba(155,89,182,0.12); color: var(--purple); }
.kpi-card__info span { display: block; font-size: 1.6rem; font-weight: 500; line-height: 1; margin-bottom: 0.3rem; }
.kpi-card__info label { font-size: 0.75rem; color: var(--white-50); letter-spacing: 0.05em; }

/* SECTION CARD */
.section-card {
  background: var(--dark-3);
  border: 1px solid var(--white-10);
  border-radius: var(--radius);
  overflow: hidden;
}
.section-card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.2rem 1.5rem;
  border-bottom: 1px solid var(--white-10);
}
.section-card__header h3 { font-size: 1rem; font-weight: 500; }

/* BUTTONS */
.btn-outline-sm {
  background: none;
  border: 1px solid var(--white-20);
  color: var(--white-80);
  padding: 0.5rem 0.9rem;
  border-radius: var(--radius);
  font-family: var(--font);
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  transition: all 0.2s;
}
.btn-outline-sm:hover { border-color: var(--gold); color: var(--gold); }
.btn-danger {
  background: var(--red);
  color: white;
  border: none;
  padding: 0.6rem 1.2rem;
  border-radius: var(--radius);
  font-family: var(--font);
  font-size: 0.8rem;
  cursor: pointer;
  transition: all 0.2s;
}
.btn-danger:hover { background: #c0392b; }
.icon-btn {
  width: 30px; height: 30px;
  background: none;
  border: 1px solid var(--white-10);
  border-radius: var(--radius);
  color: var(--white-50);
  display: flex; align-items: center; justify-content: center;
  transition: all 0.2s;
  flex-shrink: 0;
}
.icon-btn:hover { background: var(--red-dim); border-color: var(--red); color: var(--red); }
.icon-btn svg { width: 12px; height: 12px; }

/* GALLERY ADMIN */
.gallery-info { font-size: 0.8rem; color: var(--white-50); margin-bottom: 1.5rem; }
.gallery-info .dim { color: var(--white-20); }
.admin-gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1rem;
}
.admin-photo-card {
  background: var(--dark-3);
  border: 1px solid var(--white-10);
  border-radius: var(--radius);
  overflow: hidden;
  position: relative;
  aspect-ratio: 3/4;
  animation: cardIn 0.4s var(--ease);
}
.admin-photo-card img { width: 100%; height: 100%; object-fit: cover; display: block; }
.admin-photo-card__overlay {
  position: absolute;
  inset: 0;
  background: rgba(8,8,8,0.7);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  opacity: 0;
  transition: opacity 0.3s;
}
.admin-photo-card:hover .admin-photo-card__overlay { opacity: 1; }
.admin-photo-card__label {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  background: linear-gradient(to top, rgba(8,8,8,0.8), transparent);
  padding: 0.8rem;
  font-size: 0.75rem;
  color: var(--white-80);
}
.admin-photo-card__new { position: absolute; top: 0.5rem; right: 0.5rem; background: var(--gold); color: var(--black); font-size: 0.6rem; letter-spacing: 0.1em; text-transform: uppercase; padding: 0.2rem 0.4rem; border-radius: 2px; }

/* TABLE */
.filter-bar { display: flex; gap: 1rem; margin-bottom: 1.5rem; flex-wrap: wrap; }
.filter-input, .filter-select {
  background: var(--dark-3);
  border: 1px solid var(--white-10);
  color: var(--white);
  padding: 0.6rem 1rem;
  border-radius: var(--radius);
  font-family: var(--font);
  font-size: 0.85rem;
  transition: border-color 0.3s;
}
.filter-input { flex: 1; min-width: 200px; }
.filter-input:focus, .filter-select:focus { outline: none; border-color: var(--gold); }
.filter-select { appearance: none; padding-right: 2rem; }
.table-wrap { overflow-x: auto; }
.res-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}
.res-table thead tr {
  background: var(--dark-3);
  border-bottom: 1px solid var(--white-10);
}
.res-table th {
  padding: 0.8rem 1rem;
  text-align: left;
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold);
  font-weight: 500;
  white-space: nowrap;
}
.res-table td {
  padding: 0.9rem 1rem;
  border-bottom: 1px solid var(--white-10);
  color: var(--white-80);
  vertical-align: middle;
}
.res-table tbody tr { transition: background 0.2s; }
.res-table tbody tr:hover { background: var(--white-10); }
.res-table tbody tr:last-child td { border-bottom: none; }
.badge {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  font-size: 0.7rem;
  letter-spacing: 0.05em;
  font-weight: 500;
}
.badge-musc { background: rgba(52,152,219,0.15); color: #5dade2; border: 1px solid rgba(52,152,219,0.3); }
.badge-fit  { background: rgba(46,204,113,0.15); color: #58d68d; border: 1px solid rgba(46,204,113,0.3); }
.badge-kick { background: rgba(231,76,60,0.15);  color: #ec7063; border: 1px solid rgba(231,76,60,0.3); }
.badge-spa  { background: var(--gold-dim); color: var(--gold); border: 1px solid rgba(201,168,76,0.3); }

/* EMPTY STATE */
.empty-state {
  text-align: center;
  padding: 4rem 2rem;
  color: var(--white-20);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}
.empty-state p { font-size: 0.9rem; line-height: 1.7; }

/* TOAST */
.toast-container {
  position: fixed;
  bottom: 2rem; right: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  z-index: 9000;
}
.toast {
  background: var(--dark-4);
  border: 1px solid var(--white-10);
  border-radius: var(--radius);
  padding: 0.9rem 1.2rem;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  min-width: 260px;
  animation: toastIn 0.4s var(--ease);
  box-shadow: var(--shadow);
}
.toast.success { border-left: 3px solid var(--green); }
.toast.error   { border-left: 3px solid var(--red); }
.toast.info    { border-left: 3px solid var(--gold); }
@keyframes toastIn { from { opacity: 0; transform: translateX(20px); } }

/* MODAL */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(4px);
  z-index: 9001;
  display: flex;
  align-items: center;
  justify-content: center;
}
.modal-box {
  background: var(--dark-3);
  border: 1px solid var(--white-10);
  border-radius: var(--radius);
  padding: 2.5rem;
  max-width: 380px;
  width: 90%;
  text-align: center;
  animation: cardIn 0.3s var(--ease);
}
.modal-icon { font-size: 2.5rem; margin-bottom: 1rem; }
.modal-box h3 { font-size: 1.1rem; margin-bottom: 0.5rem; }
.modal-box p  { font-size: 0.85rem; color: var(--white-50); margin-bottom: 2rem; line-height: 1.6; }
.modal-actions { display: flex; gap: 1rem; justify-content: center; }

/* RECENT RES MINI */
.mini-res-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.9rem 1.5rem;
  border-bottom: 1px solid var(--white-10);
  font-size: 0.85rem;
}
.mini-res-item:last-child { border-bottom: none; }
.mini-res-item strong { color: var(--white); }
.mini-res-item span { color: var(--white-50); font-size: 0.75rem; }
.mini-res-item .badge { margin-left: auto; }

/* RESPONSIVE */
@media (max-width: 1100px) { .kpi-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 800px) {
  .sidebar {
    transform: translateX(-100%);
    top: var(--topbar-h);
  }
  .sidebar.open { transform: translateX(0); }
  .topbar { display: flex; }
  .admin-main { margin-left: 0; padding: 1.5rem; padding-top: calc(var(--topbar-h) + 1.5rem); }
  .kpi-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 500px) {
  .kpi-grid { grid-template-columns: 1fr; }
  .admin-gallery-grid { grid-template-columns: repeat(2, 1fr); }
}