/* ── VARIABLES ── */
:root {
  --primary: #0f766e;        /* Verde teal en lugar de azul */
  --primary-dark: #0d6b63;
  --primary-light: #ccfbf1;
  --success: #16a34a;
  --success-light: #dcfce7;
  --danger: #dc2626;
  --danger-light: #fee2e2;
  --warning: #d97706;
  --warning-light: #fef3c7;
  --sidebar-bg: #042f2e;     /* Verde muy oscuro */
  --sidebar-hover: rgba(255,255,255,0.08);
  --sidebar-active: rgba(15,118,110,0.25);
  --bg: #f0f7ff;
  --surface: #ffffff;
  --border: #e2e8f0;
  --text: #1e293b;
  --text-muted: #64748b;
  --text-light: #94a3b8;
  --radius: 10px;
  --shadow: 0 1px 4px rgba(0,0,0,0.06);
}

/* ── RESET ── */
* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: 'Inter', sans-serif;
  background: var(--bg);
  color: var(--text);
  display: flex;
  min-height: 100vh;
  margin: 0;
}

/* ── SIDEBAR ── */
.sidebar {
  width: 240px;
  min-height: 100vh;
  background: var(--sidebar-bg);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 100;
}

.sidebar-brand {
  padding: 24px 20px 16px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.sidebar-brand h1 {
  font-size: 22px;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.5px;
}

.sidebar-brand h1 span { color: var(--primary); }

.sidebar-brand p {
  font-size: 11px;
  color: var(--text-light);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-top: 2px;
}

.sidebar-section {
  padding: 16px 0 8px;
}

.sidebar-section-label {
  font-size: 10px;
  font-weight: 600;
  color: var(--text-light);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  padding: 0 20px;
  margin-bottom: 4px;
}

.sidebar-nav a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 20px;
  color: rgba(255,255,255,0.55);
  text-decoration: none;
  font-size: 13.5px;
  font-weight: 500;
  transition: all 0.15s;
  border-left: 3px solid transparent;
}

.sidebar-nav a:hover {
  background: var(--sidebar-hover);
  color: #fff;
}

.sidebar-nav a.active {
  background: var(--sidebar-active);
  color: #fff;
  border-left-color: var(--primary);
}

.sidebar-nav a i { font-size: 18px; }

.sidebar-user {
  margin-top: auto;
  padding: 16px 20px;
  border-top: 1px solid rgba(255,255,255,0.06);
  display: flex;
  align-items: center;
  gap: 10px;
}

.sidebar-avatar {
  width: 34px;
  height: 34px;
  background: var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: #fff;
  font-size: 13px;
  flex-shrink: 0;
}

.sidebar-user-info p {
  font-size: 13px;
  font-weight: 500;
  color: #fff;
  line-height: 1.2;
}

.sidebar-user-info span {
  font-size: 11px;
  color: var(--text-light);
}

.sidebar-logout {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--text-light);
  text-decoration: none;
  margin-top: 6px;
  transition: color 0.15s;
}

.sidebar-logout:hover { color: var(--danger); }

/* ── MAIN ── */
.main-wrapper {
  margin-left: 240px;
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* ── TOPBAR ── */
.topbar {
  background: var(--surface);
  padding: 14px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 50;
}

.topbar-title {
  font-size: 17px;
  font-weight: 600;
  color: var(--text);
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.topbar-role {
  font-size: 12px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 999px;
  background: var(--primary-light);
  color: var(--primary);
}

/* ── PAGE CONTENT ── */
.page-content {
  padding: 28px 32px;
  flex: 1;
}

/* ── CARDS ── */
.card {
  background: var(--surface);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.card-pad { padding: 24px; }

/* ── BADGES ── */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.4px;
}

.badge-active    { background: var(--success-light); color: var(--success); }
.badge-scheduled { background: var(--primary-light); color: var(--primary); }
.badge-cancelled { background: var(--danger-light); color: var(--danger); }
.badge-attended  { background: #f0fdf4; color: #15803d; }
.badge-absent    { background: var(--warning-light); color: var(--warning); }
.badge-blocked   { background: #fdf2f8; color: #9d174d; }
.badge-available { background: var(--success-light); color: var(--success); }
.badge-unavailable { background: var(--danger-light); color: var(--danger); }

/* ── BUTTONS ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 18px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
  font-family: 'Inter', sans-serif;
  border: none;
  transition: all 0.15s;
}

.btn-primary   { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); color: #fff; }
.btn-secondary { background: var(--bg); color: var(--text); border: 1px solid var(--border); }
.btn-danger    { background: var(--danger-light); color: var(--danger); }
.btn-success   { background: var(--success-light); color: var(--success); }
.btn-warning   { background: var(--warning-light); color: var(--warning); }

.btn-sm { padding: 6px 12px; font-size: 12px; }

.btn-icon {
  width: 32px;
  height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--surface);
  cursor: pointer;
  color: var(--text-muted);
  text-decoration: none;
  transition: all 0.15s;
}

.btn-icon:hover { background: var(--bg); }
.btn-icon i { font-size: 16px; }

/* ── TABLES ── */
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.data-table th {
  text-align: left;
  padding: 10px 16px;
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: 1px solid var(--border);
  background: #f8fafc;
}

.data-table td {
  padding: 13px 16px;
  color: var(--text);
  border-bottom: 1px solid #f1f5f9;
  vertical-align: middle;
}

.data-table tr:last-child td { border-bottom: none; }
.data-table tr:hover td { background: #f8fafc; }

/* ── FORMS ── */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-grid-full { grid-column: 1 / -1; }

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.form-input {
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  color: var(--text);
  font-size: 14px;
  font-family: 'Inter', sans-serif;
  outline: none;
  transition: border-color 0.15s;
  width: 100%;
}

.form-input:focus { border-color: var(--primary); }
.form-error { font-size: 12px; color: var(--danger); }

/* ── TOAST ── */
.toast-container {
  position: fixed;
  top: 76px;
  right: 24px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast {
  background: var(--surface);
  border-left: 4px solid var(--primary);
  border-radius: 8px;
  padding: 14px 18px;
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 300px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.1);
  animation: slideIn 0.3s ease;
}

.toast.error   { border-left-color: var(--danger); }
.toast.success { border-left-color: var(--success); }
.toast.error i   { color: var(--danger); }
.toast.success i { color: var(--success); }
.toast span { font-size: 13px; font-weight: 500; color: var(--text); }

@keyframes slideIn {
  from { transform: translateX(120%); opacity: 0; }
  to   { transform: translateX(0); opacity: 1; }
}

@keyframes slideOut {
  from { transform: translateX(0); opacity: 1; }
  to   { transform: translateX(120%); opacity: 0; }
}

/* ── FOOTER ── */
footer {
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: 14px 32px;
  font-size: 12px;
  color: var(--text-light);
  text-align: center;
}

/* ── UTILS ── */
.text-muted  { color: var(--text-muted); }
.text-light  { color: var(--text-light); }
.text-small  { font-size: 12px; }
.fw-500      { font-weight: 500; }
.fw-600      { font-weight: 600; }
.mt-4        { margin-top: 16px; }
.mt-6        { margin-top: 24px; }
.mb-4        { margin-bottom: 16px; }
.mb-6        { margin-bottom: 24px; }
.flex        { display: flex; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.flex-center  { display: flex; align-items: center; }
.gap-2       { gap: 8px; }
.gap-3       { gap: 12px; }