@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
  --navy: #1a3a5c;
  --navy-light: #234d7a;
  --navy-dark: #112540;
  --gold: #c9a84c;
  --gold-light: #f0d070;
  --green: #27ae60;
  --red: #e74c3c;
  --orange: #f39c12;
  --blue: #2980b9;
  --bg: #f0f3f7;
  --bg-card: #ffffff;
  --border: #dde3ec;
  --text: #2c3e50;
  --text-muted: #7f8c9a;
  --sidebar-w: 240px;
  --radius: 10px;
  --shadow: 0 2px 12px rgba(26,58,92,.08);
  --shadow-md: 0 4px 24px rgba(26,58,92,.12);
}

* { margin:0; padding:0; box-sizing:border-box; }
html, body { height:100%; font-family:'Inter',sans-serif; color:var(--text); background:var(--bg); font-size:14px; }

/* ── LAYOUT ── */
.app-layout { display:flex; height:100vh; overflow:hidden; }

.sidebar {
  width:var(--sidebar-w);
  background:var(--navy);
  display:flex;
  flex-direction:column;
  flex-shrink:0;
  overflow-y:auto;
}

.sidebar-brand {
  padding:24px 20px 20px;
  border-bottom:1px solid rgba(255,255,255,.1);
}
.sidebar-brand h1 {
  font-size:18px;
  font-weight:700;
  color:#fff;
  line-height:1.2;
}
.sidebar-brand p {
  font-size:11px;
  color:rgba(255,255,255,.45);
  margin-top:4px;
}

.sidebar-nav { flex:1; padding:12px 0; }
.nav-section-label {
  font-size:10px;
  font-weight:600;
  color:rgba(255,255,255,.3);
  letter-spacing:1.5px;
  text-transform:uppercase;
  padding:16px 20px 6px;
}
.nav-item {
  display:flex;
  align-items:center;
  gap:10px;
  padding:10px 20px;
  color:rgba(255,255,255,.65);
  text-decoration:none;
  font-size:13.5px;
  cursor:pointer;
  border:none;
  background:none;
  width:100%;
  text-align:left;
  border-radius:0;
  transition:background .15s, color .15s;
}
.nav-item:hover { background:rgba(255,255,255,.08); color:#fff; }
.nav-item.active { background:rgba(201,168,76,.15); color:var(--gold-light); border-left:3px solid var(--gold); }
.nav-item .icon { font-size:16px; width:20px; text-align:center; }

.sidebar-footer {
  padding:16px 20px;
  border-top:1px solid rgba(255,255,255,.1);
}
.sidebar-footer button {
  width:100%;
  padding:8px;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.15);
  color:rgba(255,255,255,.6);
  border-radius:6px;
  cursor:pointer;
  font-size:13px;
  transition:background .15s;
}
.sidebar-footer button:hover { background:rgba(255,255,255,.15); color:#fff; }

.main-content { flex:1; display:flex; flex-direction:column; overflow:hidden; }

.topbar {
  background:#fff;
  border-bottom:1px solid var(--border);
  padding:0 28px;
  height:56px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex-shrink:0;
}
.topbar h2 { font-size:16px; font-weight:600; color:var(--navy); }
.topbar .actions { display:flex; gap:10px; }

.page-body { flex:1; overflow-y:auto; padding:28px; }

/* ── CARDS ── */
.card {
  background:var(--bg-card);
  border:1px solid var(--border);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  overflow:hidden;
}
.card-header {
  padding:16px 20px;
  border-bottom:1px solid var(--border);
  display:flex;
  align-items:center;
  justify-content:space-between;
}
.card-header h3 { font-size:15px; font-weight:600; }
.card-body { padding:20px; }

/* ── STATS GRID ── */
.stats-grid {
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(160px,1fr));
  gap:16px;
  margin-bottom:24px;
}
.stat-card {
  background:var(--bg-card);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:20px;
  text-align:center;
}
.stat-card .stat-value { font-size:36px; font-weight:700; color:var(--navy); line-height:1; }
.stat-card .stat-label { font-size:12px; color:var(--text-muted); margin-top:6px; }
.stat-card.green .stat-value { color:var(--green); }
.stat-card.gold .stat-value { color:var(--gold); }
.stat-card.blue .stat-value { color:var(--blue); }

/* ── BUTTONS ── */
.btn {
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:8px 16px;
  border-radius:6px;
  border:none;
  font-size:13.5px;
  font-weight:500;
  cursor:pointer;
  transition:opacity .15s, transform .1s;
  text-decoration:none;
  white-space:nowrap;
}
.btn:hover { opacity:.87; }
.btn:active { transform:scale(.97); }
.btn-primary { background:var(--navy); color:#fff; }
.btn-success { background:var(--green); color:#fff; }
.btn-warning { background:var(--orange); color:#fff; }
.btn-danger { background:var(--red); color:#fff; }
.btn-gold { background:var(--gold); color:#fff; }
.btn-outline {
  background:transparent;
  border:1px solid var(--border);
  color:var(--text);
}
.btn-outline:hover { background:var(--bg); }
.btn-sm { padding:5px 10px; font-size:12px; }
.btn-icon { padding:6px 8px; }

/* ── FORMS ── */
.form-group { margin-bottom:16px; }
.form-label {
  display:block;
  font-size:12px;
  font-weight:600;
  color:var(--text-muted);
  text-transform:uppercase;
  letter-spacing:.5px;
  margin-bottom:6px;
}
.form-control {
  width:100%;
  padding:9px 12px;
  border:1px solid var(--border);
  border-radius:6px;
  font-size:14px;
  font-family:inherit;
  color:var(--text);
  background:#fff;
  transition:border-color .15s, box-shadow .15s;
}
.form-control:focus {
  outline:none;
  border-color:var(--navy);
  box-shadow:0 0 0 3px rgba(26,58,92,.1);
}
.form-row { display:grid; grid-template-columns:1fr 1fr; gap:14px; }
.form-row-3 { display:grid; grid-template-columns:1fr 1fr 1fr; gap:14px; }

/* ── TABLE ── */
.table-wrap { overflow-x:auto; }
table { width:100%; border-collapse:collapse; }
th, td { padding:11px 14px; text-align:left; }
th {
  background:var(--bg);
  font-size:11.5px;
  font-weight:600;
  color:var(--text-muted);
  text-transform:uppercase;
  letter-spacing:.5px;
  border-bottom:1px solid var(--border);
}
td { border-bottom:1px solid var(--border); font-size:13.5px; vertical-align:middle; }
tr:last-child td { border-bottom:none; }
tr:hover td { background:rgba(0,0,0,.018); }

/* ── BADGES ── */
.badge {
  display:inline-flex;
  align-items:center;
  padding:3px 10px;
  border-radius:20px;
  font-size:11.5px;
  font-weight:600;
}
.badge-creado { background:#f0f3f7; color:#7f8c9a; }
.badge-invitado { background:#ebf5fb; color:#2980b9; }
.badge-confirmado { background:#eafaf1; color:#27ae60; }
.badge-presente { background:#27ae60; color:#fff; }
.badge-borrador { background:#f8f9fa; color:#666; }
.badge-activa { background:#eafaf1; color:#27ae60; }
.badge-finalizada { background:#fdf2e9; color:#e67e22; }
.badge-archivada { background:#f5f5f5; color:#aaa; }

/* ── MODAL ── */
.modal-overlay {
  position:fixed; inset:0;
  background:rgba(0,0,0,.45);
  z-index:100;
  display:flex;
  align-items:center;
  justify-content:center;
  padding:20px;
  opacity:0;
  pointer-events:none;
  transition:opacity .2s;
}
.modal-overlay.open { opacity:1; pointer-events:all; }
.modal {
  background:#fff;
  border-radius:12px;
  width:100%;
  max-width:600px;
  max-height:90vh;
  overflow-y:auto;
  box-shadow:var(--shadow-md);
  transform:translateY(12px);
  transition:transform .2s;
}
.modal-overlay.open .modal { transform:translateY(0); }
.modal-header {
  padding:18px 22px;
  border-bottom:1px solid var(--border);
  display:flex;
  align-items:center;
  justify-content:space-between;
}
.modal-header h3 { font-size:16px; font-weight:600; }
.modal-close {
  background:none;
  border:none;
  font-size:20px;
  cursor:pointer;
  color:var(--text-muted);
  line-height:1;
  padding:2px 6px;
}
.modal-body { padding:22px; }
.modal-footer {
  padding:16px 22px;
  border-top:1px solid var(--border);
  display:flex;
  gap:10px;
  justify-content:flex-end;
}

/* ── ALERTS ── */
.alert {
  padding:12px 16px;
  border-radius:6px;
  font-size:13.5px;
  margin-bottom:16px;
  display:flex;
  align-items:flex-start;
  gap:10px;
}
.alert-success { background:#eafaf1; color:#1e8449; border:1px solid #a9dfbf; }
.alert-error { background:#fdedec; color:#922b21; border:1px solid #f1948a; }
.alert-info { background:#ebf5fb; color:#1a5276; border:1px solid #85c1e9; }
.alert-warning { background:#fef9e7; color:#7d6608; border:1px solid #f9e79f; }

/* ── TOAST ── */
#toast-container {
  position:fixed;
  bottom:24px;
  right:24px;
  z-index:999;
  display:flex;
  flex-direction:column;
  gap:8px;
}
.toast {
  padding:12px 18px;
  border-radius:8px;
  font-size:13.5px;
  font-weight:500;
  min-width:240px;
  box-shadow:0 4px 16px rgba(0,0,0,.15);
  animation:slideIn .25s ease;
}
.toast-success { background:var(--green); color:#fff; }
.toast-error { background:var(--red); color:#fff; }
.toast-info { background:var(--navy); color:#fff; }
@keyframes slideIn { from { transform:translateX(60px); opacity:0; } to { transform:translateX(0); opacity:1; } }

/* ── EMPTY STATE ── */
.empty-state {
  text-align:center;
  padding:60px 20px;
  color:var(--text-muted);
}
.empty-state .icon { font-size:48px; margin-bottom:16px; }
.empty-state h3 { font-size:17px; font-weight:600; color:var(--text); margin-bottom:8px; }
.empty-state p { font-size:13.5px; }

/* ── SEARCH ── */
.search-bar {
  position:relative;
  display:inline-flex;
  align-items:center;
}
.search-bar input {
  padding:8px 12px 8px 34px;
  border:1px solid var(--border);
  border-radius:6px;
  font-size:13.5px;
  width:220px;
  font-family:inherit;
}
.search-bar input:focus { outline:none; border-color:var(--navy); }
.search-bar .search-icon {
  position:absolute;
  left:10px;
  color:var(--text-muted);
  font-size:14px;
}

/* ── FILE DROP ── */
.file-drop {
  border:2px dashed var(--border);
  border-radius:8px;
  padding:28px;
  text-align:center;
  cursor:pointer;
  transition:border-color .15s, background .15s;
}
.file-drop:hover, .file-drop.dragover { border-color:var(--navy); background:rgba(26,58,92,.03); }
.file-drop .icon { font-size:32px; color:var(--text-muted); margin-bottom:8px; }
.file-drop p { font-size:13.5px; color:var(--text-muted); }
.file-drop input { display:none; }

/* ── TABS ── */
.tabs { display:flex; border-bottom:2px solid var(--border); margin-bottom:24px; gap:0; }
.tab-btn {
  padding:10px 20px;
  border:none;
  background:none;
  font-size:13.5px;
  font-weight:500;
  color:var(--text-muted);
  cursor:pointer;
  border-bottom:2px solid transparent;
  margin-bottom:-2px;
  transition:color .15s;
}
.tab-btn.active { color:var(--navy); border-bottom-color:var(--navy); font-weight:600; }
.tab-panel { display:none; }
.tab-panel.active { display:block; }

/* ── AVATAR ── */
.avatar {
  width:32px; height:32px;
  border-radius:50%;
  background:var(--navy);
  color:#fff;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:12px;
  font-weight:600;
  flex-shrink:0;
}

/* ── STARS ── */
.stars { display:inline-flex; gap:2px; }
.star { font-size:18px; color:#ddd; cursor:pointer; transition:color .1s; }
.star.filled { color:#f39c12; }

/* ── SCROLLBAR ── */
::-webkit-scrollbar { width:5px; height:5px; }
::-webkit-scrollbar-track { background:transparent; }
::-webkit-scrollbar-thumb { background:var(--border); border-radius:4px; }

/* ── LOADING ── */
.loading { display:flex; align-items:center; justify-content:center; padding:40px; color:var(--text-muted); gap:10px; }
.spinner {
  width:20px; height:20px;
  border:2px solid var(--border);
  border-top-color:var(--navy);
  border-radius:50%;
  animation:spin .6s linear infinite;
}
@keyframes spin { to { transform:rotate(360deg); } }

/* ─ LOGIN ─ */
.login-page {
  min-height:100vh;
  display:flex;
  align-items:center;
  justify-content:center;
  background:linear-gradient(135deg, var(--navy-dark) 0%, var(--navy) 60%, var(--navy-light) 100%);
}
.login-card {
  background:#fff;
  border-radius:14px;
  padding:40px;
  width:100%;
  max-width:380px;
  box-shadow:0 8px 40px rgba(0,0,0,.25);
}
.login-card h1 { font-size:22px; font-weight:700; color:var(--navy); margin-bottom:4px; }
.login-card p { font-size:13px; color:var(--text-muted); margin-bottom:28px; }