/* ============================================================
   admin.css — Panel de Administración YaDateCuenta
   ============================================================ */

/* ── Variables ──────────────────────────────────────────────── */
:root {
  --bg:            #0d1117;
  --sidebar-bg:    #0f1724;
  --card-bg:       #161d2e;
  --card-bg-hover: #1a2235;
  --border:        #1e2d45;
  --accent:        #6366f1;
  --accent-hover:  #818cf8;
  --accent-light:  rgba(99,102,241,.12);
  --success:       #10b981;
  --warning:       #f59e0b;
  --danger:        #ef4444;
  --info:          #3b82f6;
  --text:          #e2e8f0;
  --text-muted:    #64748b;
  --text-sub:      #94a3b8;
  --sidebar-w:     260px;
  --topbar-h:      64px;
  --radius:        10px;
  --shadow:        0 4px 24px rgba(0,0,0,.4);
  --transition:    .2s ease;
}

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

html { font-size: 15px; }

body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  display: flex;
  min-height: 100vh;
  overflow-x: hidden;
}

a { color: var(--accent-hover); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ── SIDEBAR ─────────────────────────────────────────────────── */
.sidebar {
  position: fixed;
  top: 0; left: 0; bottom: 0;
  width: var(--sidebar-w);
  background: var(--sidebar-bg);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  z-index: 100;
  transition: transform var(--transition);
  overflow-y: auto;
  overflow-x: hidden;
}

.sidebar-header {
  padding: 20px 20px 16px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.logo-icon {
  background: linear-gradient(135deg, #6366f1, #818cf8);
  color: #fff;
  font-weight: 800;
  font-size: .75rem;
  letter-spacing: .05em;
  padding: 6px 8px;
  border-radius: 8px;
  flex-shrink: 0;
}

.logo-text {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -.01em;
}

/* ── Nav ────────────────────────────────────────────────────── */
.sidebar-nav {
  flex: 1;
  padding: 12px 10px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.nav-group {
  margin-top: 10px;
}

.nav-group-label {
  font-size: .65rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--text-muted);
  padding: 6px 10px;
  margin-bottom: 2px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  border-radius: 8px;
  color: var(--text-sub);
  font-size: .875rem;
  font-weight: 500;
  transition: background var(--transition), color var(--transition);
  text-decoration: none;
  cursor: pointer;
}

.nav-item svg { flex-shrink: 0; opacity: .7; }

.nav-item:hover, .nav-item.active {
  background: var(--accent-light);
  color: var(--accent-hover);
  text-decoration: none;
}

.nav-item.active svg { opacity: 1; }

.nav-subitem {
  padding-left: 36px;
  font-size: .82rem;
}

.sidebar-footer {
  padding: 16px;
  border-top: 1px solid var(--border);
  flex-shrink: 0;
}

.sidebar-site-link {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: .8rem;
  color: var(--text-muted);
  transition: color var(--transition);
  text-decoration: none;
}

.sidebar-site-link:hover { color: var(--text); text-decoration: none; }

/* ── WRAPPER / TOPBAR ────────────────────────────────────────── */
.admin-wrapper {
  margin-left: var(--sidebar-w);
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.topbar {
  position: sticky;
  top: 0;
  height: var(--topbar-h);
  background: rgba(13,17,23,.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 24px;
  gap: 16px;
  z-index: 90;
}

.sidebar-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.sidebar-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: var(--transition);
}

.topbar-center { flex: 1; }

.page-title {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text);
}

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

.user-menu {
  display: flex;
  align-items: center;
  gap: 10px;
}

.user-avatar {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg,#6366f1,#818cf8);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700;
  font-size: .85rem;
  color: #fff;
  flex-shrink: 0;
}

.user-info { display: flex; flex-direction: column; }

.user-name { font-size: .85rem; font-weight: 600; color: var(--text); }

.user-role {
  font-size: .65rem;
  font-weight: 600;
  padding: 1px 6px;
  border-radius: 99px;
  width: fit-content;
}

.badge-role-administrador { background: rgba(99,102,241,.2); color: #818cf8; }
.badge-role-editor        { background: rgba(16,185,129,.15); color: #10b981; }
.badge-role-lector        { background: rgba(59,130,246,.15); color: #60a5fa; }

.btn-logout {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px; height: 34px;
  border-radius: 8px;
  color: var(--text-muted);
  border: 1px solid var(--border);
  transition: var(--transition);
  text-decoration: none;
}

.btn-logout:hover {
  color: var(--danger);
  border-color: var(--danger);
  background: rgba(239,68,68,.08);
  text-decoration: none;
}

/* ── FLASH ───────────────────────────────────────────────────── */
.flash {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 24px;
  font-size: .875rem;
  font-weight: 500;
  border-bottom: 1px solid transparent;
}

.flash-success { background: rgba(16,185,129,.12); border-color: rgba(16,185,129,.3); color: #34d399; }
.flash-error   { background: rgba(239,68,68,.12);  border-color: rgba(239,68,68,.3);  color: #f87171; }
.flash-warning { background: rgba(245,158,11,.12); border-color: rgba(245,158,11,.3); color: #fbbf24; }
.flash-info    { background: rgba(59,130,246,.12); border-color: rgba(59,130,246,.3); color: #60a5fa; }

.flash-close {
  background: none; border: none; cursor: pointer;
  color: inherit; font-size: 1.2rem; line-height: 1;
  opacity: .7;
}
.flash-close:hover { opacity: 1; }

/* ── MAIN ────────────────────────────────────────────────────── */
.admin-main {
  flex: 1;
  padding: 28px 28px 40px;
}

/* ── CARDS / STATS ───────────────────────────────────────────── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 28px;
}

.stat-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 22px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: border-color var(--transition), transform var(--transition);
}

.stat-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.stat-label {
  font-size: .75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--text-muted);
}

.stat-value {
  font-size: 2rem;
  font-weight: 800;
  color: var(--text);
  line-height: 1;
}

.stat-icon {
  font-size: 1.5rem;
  opacity: .6;
  align-self: flex-end;
}

/* ── CARD GENÉRICA ───────────────────────────────────────────── */
.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 24px;
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border);
}

.card-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
}

/* ── TABLA ───────────────────────────────────────────────────── */
.table-responsive { overflow-x: auto; }

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: .875rem;
}

.table th {
  text-align: left;
  padding: 10px 14px;
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .07em;
  text-transform: uppercase;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
}

.table td {
  padding: 12px 14px;
  border-bottom: 1px solid rgba(30,45,69,.5);
  color: var(--text-sub);
  vertical-align: middle;
}

.table tr:last-child td { border-bottom: none; }

.table tbody tr:hover td { background: var(--card-bg-hover); }

/* ── BADGES ──────────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 9px;
  border-radius: 99px;
  font-size: .7rem;
  font-weight: 600;
}

.badge-success { background: rgba(16,185,129,.15); color: #10b981; }
.badge-warning { background: rgba(245,158,11,.15); color: #f59e0b; }
.badge-danger  { background: rgba(239,68,68,.15);  color: #ef4444; }
.badge-info    { background: rgba(59,130,246,.15);  color: #60a5fa; }
.badge-muted   { background: rgba(100,116,139,.15); color: #94a3b8; }

/* ── BOTONES ─────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 8px;
  font-size: .875rem;
  font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  line-height: 1.4;
}

.btn:hover { text-decoration: none; }

.btn-primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.btn-primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); color: #fff; }

.btn-secondary {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}
.btn-secondary:hover { background: var(--card-bg-hover); }

.btn-danger  { background: rgba(239,68,68,.15); color: #ef4444; border-color: rgba(239,68,68,.3); }
.btn-danger:hover  { background: rgba(239,68,68,.25); }

.btn-success { background: rgba(16,185,129,.15); color: #10b981; border-color: rgba(16,185,129,.3); }
.btn-success:hover { background: rgba(16,185,129,.25); }

.btn-sm { padding: 5px 10px; font-size: .78rem; }
.btn-icon { padding: 6px; border-radius: 6px; }

/* ── FORMULARIOS ─────────────────────────────────────────────── */
.form-group {
  margin-bottom: 18px;
}

.form-label {
  display: block;
  font-size: .8rem;
  font-weight: 600;
  color: var(--text-sub);
  margin-bottom: 6px;
  letter-spacing: .02em;
}

.form-label .req { color: var(--danger); margin-left: 2px; }

.form-control {
  width: 100%;
  padding: 9px 13px;
  background: rgba(0,0,0,.3);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: .875rem;
  font-family: inherit;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}

.form-control:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-light);
}

.form-control::placeholder { color: var(--text-muted); }

textarea.form-control {
  resize: vertical;
  min-height: 120px;
}

select.form-control option {
  background: var(--card-bg);
  color: var(--text);
}

.form-hint {
  font-size: .75rem;
  color: var(--text-muted);
  margin-top: 4px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-row-3 {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 16px;
}

/* ── ALERTAS ─────────────────────────────────────────────────── */
.alert {
  padding: 14px 18px;
  border-radius: var(--radius);
  font-size: .875rem;
  border: 1px solid transparent;
  margin-bottom: 16px;
}

.alert-success { background: rgba(16,185,129,.1); border-color: rgba(16,185,129,.3); color: #34d399; }
.alert-danger  { background: rgba(239,68,68,.1);  border-color: rgba(239,68,68,.3);  color: #f87171; }
.alert-warning { background: rgba(245,158,11,.1); border-color: rgba(245,158,11,.3); color: #fbbf24; }
.alert-info    { background: rgba(59,130,246,.1); border-color: rgba(59,130,246,.3); color: #93c5fd; }

/* ── LOGIN ───────────────────────────────────────────────────── */
body.login-body {
  display: flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(ellipse at 60% 40%, rgba(99,102,241,.15) 0%, transparent 60%), var(--bg);
}

.login-box {
  width: 100%;
  max-width: 420px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 40px;
  box-shadow: var(--shadow);
}

.login-logo {
  text-align: center;
  margin-bottom: 32px;
}

.login-logo .logo-icon {
  font-size: 1rem;
  padding: 10px 14px;
  display: inline-block;
  border-radius: 12px;
  margin-bottom: 12px;
}

.login-logo h1 {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text);
}

.login-logo p {
  font-size: .82rem;
  color: var(--text-muted);
  margin-top: 4px;
}

/* ── RESPONSIVE ──────────────────────────────────────────────── */
@media (max-width: 900px) {
  .sidebar {
    transform: translateX(calc(-1 * var(--sidebar-w)));
  }

  .sidebar.open {
    transform: translateX(0);
    box-shadow: 4px 0 24px rgba(0,0,0,.5);
  }

  .admin-wrapper {
    margin-left: 0;
  }

  .sidebar-toggle {
    display: flex;
  }

  .form-row, .form-row-3 {
    grid-template-columns: 1fr;
  }
}

/* ── ACORDEÓN SNIPPETS ───────────────────────────────────────── */
.accordion { display: flex; flex-direction: column; gap: 6px; }

.accordion-item {
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}

.accordion-header {
  width: 100%;
  background: rgba(0,0,0,.2);
  border: none;
  padding: 11px 16px;
  text-align: left;
  cursor: pointer;
  font-size: .82rem;
  font-weight: 600;
  color: var(--text-sub);
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: background var(--transition);
}

.accordion-header:hover { background: var(--accent-light); color: var(--accent-hover); }
.accordion-header.open  { background: var(--accent-light); color: var(--accent-hover); }

.accordion-header .arrow { transition: transform var(--transition); font-size: .7rem; }
.accordion-header.open .arrow { transform: rotate(180deg); }

.accordion-body {
  display: none;
  padding: 12px 14px;
  background: rgba(0,0,0,.15);
}

.accordion-body.open { display: block; }

.snippet-item {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
  padding: 8px 0;
  border-bottom: 1px solid rgba(30,45,69,.4);
  font-size: .78rem;
}

.snippet-item:last-child { border-bottom: none; }

.snippet-label { color: var(--text-muted); font-weight: 500; flex-shrink: 0; min-width: 120px; }
.snippet-code  { color: var(--accent-hover); font-family: monospace; font-size: .75rem; flex: 1; word-break: break-all; }

.btn-copy-snippet {
  background: var(--accent-light);
  color: var(--accent-hover);
  border: none;
  border-radius: 5px;
  padding: 3px 8px;
  font-size: .7rem;
  cursor: pointer;
  flex-shrink: 0;
  transition: background var(--transition);
}

.btn-copy-snippet:hover { background: var(--accent); color: #fff; }
.btn-copy-snippet.copied { background: rgba(16,185,129,.2); color: #10b981; }

/* ── SCROLLBAR ───────────────────────────────────────────────── */
::-webkit-scrollbar       { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 99px; }
::-webkit-scrollbar-thumb:hover { background: #2d3f5c; }