:root {
  --admin-bg: #f4f7fb;
  --admin-bg-2: #eef3fb;
  --admin-panel: rgba(255, 255, 255, 0.92);
  --admin-panel-solid: #ffffff;
  --admin-text: #070b18;
  --admin-muted: #64748b;
  --admin-soft: #94a3b8;
  --admin-line: rgba(15, 23, 42, 0.09);
  --admin-line-strong: rgba(15, 23, 42, 0.14);
  --admin-blue: #005dff;
  --admin-violet: #7c3cff;
  --admin-cyan: #27d4ff;
  --admin-danger: #e11d48;
  --admin-success: #16a34a;
  --admin-warning: #f59e0b;
  --admin-radius: 26px;
  --admin-radius-sm: 16px;
  --admin-shadow: 0 28px 80px rgba(15, 23, 42, 0.10);
  --admin-shadow-soft: 0 14px 38px rgba(15, 23, 42, 0.07);
  --sidebar-width: 282px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--admin-text);
  background:
    radial-gradient(circle at 20% 0%, rgba(0, 93, 255, 0.10), transparent 30%),
    radial-gradient(circle at 85% 8%, rgba(124, 60, 255, 0.13), transparent 34%),
    linear-gradient(180deg, var(--admin-bg), #f8fafc 45%, var(--admin-bg));
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.34;
  background-image: radial-gradient(rgba(15, 23, 42, 0.22) 0.7px, transparent 0.7px);
  background-size: 22px 22px;
  mask-image: linear-gradient(to bottom, #000, transparent 78%);
}

a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; }
button { cursor: pointer; }
code { font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace; }

/* Login */
.login-body {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.login-card {
  width: min(460px, 100%);
  position: relative;
  overflow: hidden;
  padding: 36px;
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: 34px;
  background: rgba(255, 255, 255, 0.84);
  box-shadow: var(--admin-shadow);
  backdrop-filter: blur(22px);
}

.login-card::before {
  content: "";
  position: absolute;
  inset: -2px;
  background: radial-gradient(circle at 15% 0%, rgba(0, 93, 255, 0.16), transparent 32%), radial-gradient(circle at 95% 5%, rgba(124, 60, 255, 0.16), transparent 32%);
  pointer-events: none;
}

.login-card > * { position: relative; z-index: 1; }

.login-logo,
.admin-brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  font-weight: 950;
  letter-spacing: -0.05em;
}

.login-logo span,
.admin-brand span {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  color: #fff;
  border-radius: 15px;
  background: linear-gradient(135deg, var(--admin-blue), var(--admin-violet));
  box-shadow: 0 16px 34px rgba(0, 93, 255, 0.28);
}

.login-card h1,
.admin-heading h1 {
  margin: 24px 0 8px;
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 0.96;
  letter-spacing: -0.075em;
}

.login-card p,
.admin-heading p,
.admin-card p,
.login-card small,
.form-help {
  color: var(--admin-muted);
}

.login-card small {
  display: block;
  margin-top: 14px;
  line-height: 1.5;
}

/* Layout */
.admin-body {
  min-height: 100vh;
  padding-left: var(--sidebar-width);
}

.admin-sidebar {
  position: fixed;
  inset: 0 auto 0 0;
  z-index: 50;
  width: var(--sidebar-width);
  min-height: 100vh;
  padding: 22px 18px;
  color: #fff;
  background:
    radial-gradient(circle at 20% 0%, rgba(0, 93, 255, 0.26), transparent 34%),
    radial-gradient(circle at 100% 45%, rgba(124, 60, 255, 0.18), transparent 34%),
    #050816;
  box-shadow: 22px 0 60px rgba(2, 6, 23, 0.20);
  overflow-y: auto;
}

.admin-sidebar::-webkit-scrollbar { width: 8px; }
.admin-sidebar::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.12); border-radius: 99px; }

.admin-brand {
  width: 100%;
  padding: 10px 10px 18px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 1.02rem;
}

.admin-sidebar nav {
  display: grid;
  gap: 7px;
  margin-top: 18px;
}

.admin-sidebar nav a {
  position: relative;
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 43px;
  padding: 11px 13px;
  border-radius: 16px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.92rem;
  font-weight: 850;
  transition: color 0.22s ease, background 0.22s ease, transform 0.22s ease;
}

.admin-sidebar nav a::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.26);
  transition: 0.22s ease;
}

.admin-sidebar nav a:hover,
.admin-sidebar nav a.active {
  color: #fff;
  background: rgba(255, 255, 255, 0.09);
  transform: translateX(2px);
}

.admin-sidebar nav a:hover::before,
.admin-sidebar nav a.active::before {
  background: linear-gradient(135deg, var(--admin-cyan), var(--admin-violet));
  box-shadow: 0 0 0 7px rgba(39, 212, 255, 0.10);
}

.admin-main {
  min-width: 0;
}

.admin-topbar {
  position: sticky;
  top: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  min-height: 78px;
  padding: 16px 30px;
  border-bottom: 1px solid rgba(15, 23, 42, 0.08);
  background: rgba(248, 250, 252, 0.78);
  backdrop-filter: blur(20px);
}

.admin-topbar small,
.admin-topbar strong { display: block; }
.admin-topbar small { color: var(--admin-muted); font-weight: 750; }
.admin-topbar strong { margin-top: 3px; font-size: 0.95rem; }

.admin-section {
  width: min(1580px, 100%);
  margin: 0 auto;
  padding: 34px 30px 48px;
}

.admin-heading {
  position: relative;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 22px;
}

.admin-heading h1 { margin-top: 0; }
.admin-heading p { max-width: 780px; margin: 0; line-height: 1.65; }

/* Buttons and alerts */
.admin-btn {
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 0;
  border-radius: 999px;
  padding: 0 18px;
  color: #fff;
  background: linear-gradient(135deg, var(--admin-blue), var(--admin-violet));
  box-shadow: 0 16px 32px rgba(0, 93, 255, 0.22);
  font-weight: 950;
  white-space: nowrap;
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
}

.admin-btn:hover { transform: translateY(-2px); box-shadow: 0 20px 44px rgba(0, 93, 255, 0.28); }
.admin-btn.secondary {
  color: var(--admin-text);
  background: rgba(255, 255, 255, 0.84);
  border: 1px solid var(--admin-line);
  box-shadow: var(--admin-shadow-soft);
}
.admin-btn.danger { background: linear-gradient(135deg, #ef4444, var(--admin-danger)); box-shadow: none; }
.admin-btn.tiny { min-height: 32px; padding: 0 12px; font-size: 0.78rem; }
.login-card .admin-btn { width: 100%; margin-top: 18px; }

.admin-alert {
  position: relative;
  margin: 18px 0;
  padding: 14px 16px 14px 44px;
  border-radius: 18px;
  font-weight: 900;
  box-shadow: var(--admin-shadow-soft);
}
.admin-alert::before {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
}
.admin-alert.error { color: #9f1239; background: rgba(244, 63, 94, 0.11); border: 1px solid rgba(244,63,94,0.18); }
.admin-alert.error::before { content: "!"; }
.admin-alert.success { color: #087f45; background: rgba(22, 163, 74, 0.11); border: 1px solid rgba(22,163,74,0.18); }
.admin-alert.success::before { content: "✓"; }

/* Cards */
.metric-card,
.admin-card,
.message-card {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: var(--admin-radius);
  background: var(--admin-panel);
  box-shadow: var(--admin-shadow-soft);
  backdrop-filter: blur(18px);
}

.metric-card::before,
.admin-card::before,
.message-card::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(135deg, rgba(0, 93, 255, 0.05), rgba(124, 60, 255, 0.04), transparent 52%);
  opacity: 0;
  transition: opacity .25s ease;
}

.metric-card:hover::before,
.admin-card:hover::before,
.message-card:hover::before { opacity: 1; }
.metric-card > *, .admin-card > *, .message-card > * { position: relative; z-index: 1; }
.admin-card, .message-card { padding: 24px; }

.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin-bottom: 20px;
}

.metric-card {
  min-height: 148px;
  padding: 23px;
  transition: transform .24s ease, box-shadow .24s ease;
}
.metric-card:hover { transform: translateY(-4px); box-shadow: var(--admin-shadow); }
.metric-card span { display: block; color: var(--admin-muted); font-weight: 850; }
.metric-card strong {
  display: block;
  margin-top: 14px;
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  line-height: 0.9;
  letter-spacing: -0.08em;
}
.metric-card.highlight {
  color: #fff;
  background: linear-gradient(135deg, var(--admin-blue), var(--admin-violet));
  border-color: transparent;
}
.metric-card.highlight span { color: rgba(255,255,255,0.8); }

.checklist {
  margin: 0;
  padding-left: 20px;
  color: var(--admin-muted);
  line-height: 1.8;
}

/* Forms */
.admin-form-grid {
  display: grid;
  grid-template-columns: minmax(330px, 410px) minmax(0, 1fr);
  gap: 22px;
  align-items: start;
}

.admin-form h2,
.table-card h2,
.admin-card h2 {
  margin: 0 0 18px;
  letter-spacing: -0.05em;
  line-height: 1.05;
}
.admin-form.wide { max-width: 980px; }

.login-card label,
.admin-form label {
  display: grid;
  gap: 8px;
  margin-top: 15px;
  color: var(--admin-text);
  font-size: 0.91rem;
  font-weight: 900;
}

.login-card input,
.admin-form input,
.admin-form textarea,
.admin-form select {
  width: 100%;
  border: 1px solid var(--admin-line);
  border-radius: 16px;
  padding: 13px 14px;
  outline: none;
  color: var(--admin-text);
  background: rgba(255, 255, 255, 0.92);
  transition: border-color .2s ease, box-shadow .2s ease, background .2s ease;
}

.admin-form textarea { resize: vertical; min-height: 118px; }
.login-card input:focus,
.admin-form input:focus,
.admin-form textarea:focus,
.admin-form select:focus {
  border-color: rgba(0, 93, 255, 0.55);
  box-shadow: 0 0 0 5px rgba(0, 93, 255, 0.10);
  background: #fff;
}

.admin-form input[type="file"] {
  padding: 11px;
  background: #f8fafc;
}

.form-help {
  display: block;
  margin-top: 3px;
  font-size: 0.78rem;
  line-height: 1.45;
  font-weight: 750;
}

.checkbox-label {
  display: flex !important;
  align-items: center;
  gap: 10px;
  padding: 12px 13px;
  border: 1px solid var(--admin-line);
  border-radius: 16px;
  background: #fff;
}
.checkbox-label input { width: auto; accent-color: var(--admin-blue); }

.image-preview {
  display: block;
  width: 100% !important;
  max-width: 100% !important;
  max-height: 190px !important;
  object-fit: contain !important;
  margin-top: 12px;
  padding: 10px;
  border: 1px solid var(--admin-line);
  border-radius: 18px;
  background: linear-gradient(135deg, #fff, #f8fafc);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.6);
}

.admin-save-bar {
  position: sticky;
  bottom: 18px;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
  margin-top: 22px;
  padding: 14px;
  border: 1px solid rgba(255,255,255,0.78);
  border-radius: 24px;
  background: rgba(255,255,255,0.86);
  box-shadow: var(--admin-shadow);
  backdrop-filter: blur(20px);
}

/* Tables */
.table-card { padding: 0; overflow: hidden; }
.table-card h2 { padding: 24px 24px 0; }
.responsive-table {
  width: 100%;
  overflow-x: auto;
  padding: 0 16px 16px;
}
.responsive-table::-webkit-scrollbar { height: 9px; }
.responsive-table::-webkit-scrollbar-thumb { background: rgba(15,23,42,0.16); border-radius: 999px; }

table {
  width: 100%;
  min-width: 780px;
  border-collapse: separate;
  border-spacing: 0 10px;
}

th,
td {
  padding: 13px 12px;
  text-align: left;
  vertical-align: middle;
}

th {
  color: var(--admin-muted);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-weight: 950;
}

tbody tr {
  background: rgba(255,255,255,0.72);
  box-shadow: 0 10px 28px rgba(15,23,42,0.045);
}
tbody td:first-child { border-radius: 18px 0 0 18px; }
tbody td:last-child { border-radius: 0 18px 18px 0; }

td small { display: block; color: var(--admin-muted); margin-top: 4px; font-weight: 700; }

.table-thumb,
img.table-thumb {
  display: block !important;
  width: 112px !important;
  height: 74px !important;
  max-width: 112px !important;
  max-height: 74px !important;
  padding: 6px !important;
  border-radius: 16px !important;
  object-fit: contain !important;
  object-position: center !important;
  border: 1px solid var(--admin-line) !important;
  background: #fff !important;
  box-shadow: 0 10px 26px rgba(15, 23, 42, 0.08) !important;
}

.table-thumb-work,
img.table-thumb-work {
  width: 210px !important;
  height: 132px !important;
  max-width: 210px !important;
  max-height: 132px !important;
}

.table-thumb-small,
img.table-thumb-small {
  width: 62px !important;
  height: 62px !important;
  max-width: 62px !important;
  max-height: 62px !important;
  border-radius: 18px !important;
}

.table-icon {
  display: inline-grid;
  place-items: center;
  width: 58px;
  height: 58px;
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(0,93,255,0.10), rgba(124,60,255,0.12));
  font-size: 1.35rem;
}

.actions,
.message-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.actions form, .message-actions { margin: 0; }

/* Messages */
.messages-list { display: grid; gap: 16px; }
.message-card { transition: transform .22s ease, opacity .22s ease; }
.message-card:hover { transform: translateY(-3px); }
.message-card.new { border-color: rgba(0, 93, 255, 0.25); box-shadow: 0 16px 40px rgba(0, 93, 255, 0.08); }
.message-card.archived { opacity: 0.68; }
.message-head { display: flex; justify-content: space-between; gap: 18px; }
.message-head h2 { margin: 0; letter-spacing: -0.045em; }
.message-head p, .message-text { color: var(--admin-muted); line-height: 1.7; }
.message-head span {
  align-self: flex-start;
  padding: 7px 11px;
  border-radius: 999px;
  color: var(--admin-blue);
  background: #eef4ff;
  font-weight: 950;
  text-transform: capitalize;
}
.message-meta { display: flex; flex-wrap: wrap; gap: 10px; margin: 14px 0; }
.message-meta small {
  padding: 8px 11px;
  border-radius: 999px;
  background: #f8fafc;
  color: var(--admin-muted);
  font-weight: 850;
}

/* Settings and media */
.settings-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  align-items: start;
}
.settings-group h2 { margin-bottom: 14px; }

.media-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
  gap: 15px;
}
.media-item {
  display: grid;
  gap: 10px;
  padding: 11px;
  border: 1px solid var(--admin-line);
  border-radius: 20px;
  background: #fff;
  box-shadow: 0 12px 28px rgba(15,23,42,0.06);
}
.media-item img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: contain;
  border-radius: 15px;
  background: linear-gradient(135deg, #f8fafc, #fff);
  border: 1px solid var(--admin-line);
}
.media-item code {
  display: block;
  padding: 9px;
  overflow: auto;
  border-radius: 11px;
  color: var(--admin-blue);
  background: #f8fafc;
  font-size: 0.76rem;
}
.media-item small { color: var(--admin-muted); font-weight: 850; }

/* Responsive admin */
@media (max-width: 1180px) {
  .dashboard-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .admin-form-grid { grid-template-columns: 1fr; }
  .settings-grid { grid-template-columns: 1fr; }
}

@media (max-width: 900px) {
  :root { --sidebar-width: 0px; }
  .admin-body { padding-left: 0; }
  .admin-sidebar {
    position: relative;
    width: 100%;
    min-height: auto;
    height: auto;
    padding: 18px;
    border-radius: 0 0 28px 28px;
  }
  .admin-sidebar nav { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .admin-sidebar nav a:hover, .admin-sidebar nav a.active { transform: none; }
  .admin-topbar { min-height: auto; padding: 14px 18px; }
  .admin-section { padding: 26px 18px 42px; }
  .table-thumb-work, img.table-thumb-work { width: 160px !important; height: 104px !important; }
}

@media (max-width: 620px) {
  .login-card { padding: 28px 22px; border-radius: 28px; }
  .admin-sidebar nav { grid-template-columns: 1fr; }
  .admin-heading, .admin-topbar, .message-head { align-items: flex-start; flex-direction: column; }
  .dashboard-grid { grid-template-columns: 1fr; }
  .admin-card, .message-card { padding: 20px; border-radius: 22px; }
  .table-card { padding: 0; }
  .table-card h2 { padding: 20px 20px 0; }
  .responsive-table { padding: 0 10px 12px; }
  .admin-save-bar { align-items: stretch; flex-direction: column; }
  .admin-btn { width: 100%; }
  .actions .admin-btn, .message-actions .admin-btn { width: auto; }
}

/* Logo size control helper */
.logo-control-note {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 18px;
  background: linear-gradient(135deg, #ffffff 0%, #f4f7ff 55%, #f7f2ff 100%);
  border: 1px solid rgba(88, 102, 255, .16);
}
.logo-control-note h2 {
  margin: 0 0 6px;
}
.logo-control-note p {
  margin: 0;
  color: #64748b;
  line-height: 1.5;
}
.logo-control-values {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
  min-width: 280px;
}
.logo-control-values span {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 9px 12px;
  background: rgba(255,255,255,.78);
  border: 1px solid rgba(15,23,42,.08);
  font-weight: 800;
  color: #0f172a;
  box-shadow: 0 10px 25px rgba(15,23,42,.05);
}
@media (max-width: 760px) {
  .logo-control-note {
    flex-direction: column;
    align-items: flex-start;
  }
  .logo-control-values {
    justify-content: flex-start;
    min-width: 0;
  }
}

/* Admin account page */
.admin-form-grid.two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
.muted-admin-text {
  margin: -4px 0 18px;
  color: var(--admin-muted, #64748b);
  font-size: 14px;
}
.admin-account-note {
  margin: 4px 0 18px;
  padding: 14px 16px;
  border-radius: 18px;
  border: 1px solid rgba(59, 130, 246, .18);
  background: rgba(59, 130, 246, .08);
  color: var(--admin-text, #0f172a);
  font-size: 14px;
}
@media (max-width: 760px) {
  .admin-form-grid.two { grid-template-columns: 1fr; }
}