/* ===== Admin Panel Styles ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --navy: #040E24;
  --blue: #0A3D91;
  --blue-light: #1565C0;
  --blue-glow: rgba(21,101,192,.1);
  --red: #D4111E;
  --white: #FFFFFF;
  --grey-50: #F8FAFC;
  --grey-100: #F1F5F9;
  --grey-200: #E2E8F0;
  --grey-300: #CBD5E1;
  --grey-500: #64748B;
  --grey-700: #334155;
  --grey-900: #0F172A;
  --green: #10B981;
  --green-light: #D1FAE5;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --ease: cubic-bezier(.4, 0, .2, 1);
  --radius: 12px;
}

html { font-size: 16px; }
body {
  font-family: var(--font);
  color: var(--grey-700);
  background: var(--grey-50);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

.hidden { display: none !important; }

/* ===== Login ===== */
.login-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--navy) 0%, #0A2550 100%);
  padding: 24px;
}
.login-card {
  background: var(--white);
  border-radius: 20px;
  padding: 48px 40px;
  width: 100%;
  max-width: 400px;
  box-shadow: 0 24px 48px rgba(0,0,0,.2);
  text-align: center;
}
.login-logo {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--blue) 0%, var(--blue-light) 100%);
  color: var(--white);
  font-size: 1.5rem;
  font-weight: 800;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}
.login-card h1 {
  font-size: 1.4rem;
  color: var(--grey-900);
  font-weight: 700;
  margin-bottom: 6px;
}
.login-card > p {
  color: var(--grey-500);
  font-size: .9rem;
  margin-bottom: 28px;
}
.login-card form { text-align: left; }
.login-card .field { margin-bottom: 16px; }
.login-card .field label {
  display: block;
  font-size: .8rem;
  font-weight: 600;
  color: var(--grey-500);
  text-transform: uppercase;
  letter-spacing: .06em;
  margin-bottom: 6px;
}
.login-card .field input {
  width: 100%;
  padding: 12px 14px;
  border: 1.5px solid var(--grey-200);
  border-radius: 10px;
  font-size: .95rem;
  font-family: var(--font);
  color: var(--grey-900);
  transition: all .2s var(--ease);
}
.login-card .field input:focus {
  outline: none;
  border-color: var(--blue-light);
  box-shadow: 0 0 0 4px var(--blue-glow);
}
.login-error {
  color: var(--red);
  font-size: .85rem;
  font-weight: 500;
  min-height: 20px;
  margin-bottom: 8px;
}
.btn-login {
  width: 100%;
  padding: 13px;
  background: linear-gradient(135deg, var(--blue) 0%, var(--blue-light) 100%);
  color: var(--white);
  border: none;
  border-radius: 10px;
  font-size: .95rem;
  font-weight: 600;
  font-family: var(--font);
  cursor: pointer;
  transition: all .25s var(--ease);
}
.btn-login:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(10,61,145,.3);
}

/* ===== Dashboard Layout ===== */
.dashboard { min-height: 100vh; display: flex; flex-direction: column; }

.admin-header {
  background: var(--white);
  border-bottom: 1px solid var(--grey-200);
  position: sticky;
  top: 0;
  z-index: 50;
}
.admin-header-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 12px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.admin-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1rem;
  color: var(--grey-900);
}
.admin-logo {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--blue), var(--blue-light));
  color: var(--white);
  font-size: .9rem;
  font-weight: 800;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.admin-header-right {
  display: flex;
  align-items: center;
  gap: 16px;
}
.admin-user {
  font-size: .85rem;
  color: var(--grey-500);
}
.btn-logout {
  padding: 7px 16px;
  background: var(--grey-50);
  border: 1px solid var(--grey-200);
  border-radius: 8px;
  font-size: .85rem;
  font-family: var(--font);
  color: var(--grey-700);
  cursor: pointer;
  transition: all .2s var(--ease);
}
.btn-logout:hover {
  background: var(--grey-100);
  border-color: var(--grey-300);
}

.admin-body {
  display: flex;
  flex: 1;
  max-width: 1280px;
  margin: 0 auto;
  width: 100%;
}

/* ===== Sidebar ===== */
.sidebar {
  width: 220px;
  flex-shrink: 0;
  border-right: 1px solid var(--grey-200);
  background: var(--white);
  padding: 24px 12px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: calc(100vh - 57px);
}
.sidebar nav { display: flex; flex-direction: column; gap: 4px; }
.sidebar-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: 10px;
  font-size: .9rem;
  font-weight: 500;
  color: var(--grey-500);
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font);
  transition: all .2s var(--ease);
  width: 100%;
  text-align: left;
}
.sidebar-link:hover {
  background: var(--grey-50);
  color: var(--grey-700);
}
.sidebar-link.active {
  background: var(--blue-glow);
  color: var(--blue);
  font-weight: 600;
}
.sidebar-back {
  display: block;
  padding: 10px 14px;
  font-size: .85rem;
  color: var(--grey-500);
  text-decoration: none;
  transition: color .2s var(--ease);
}
.sidebar-back:hover { color: var(--blue); }

/* ===== Main Content ===== */
.admin-main {
  flex: 1;
  padding: 32px;
  max-width: 800px;
}

.panel { display: none; }
.panel.active { display: block; }

.panel-header { margin-bottom: 28px; }
.panel-header h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--grey-900);
  margin-bottom: 6px;
}
.panel-header p {
  color: var(--grey-500);
  font-size: .92rem;
}

/* ===== Cards ===== */
.card {
  background: var(--white);
  border: 1px solid var(--grey-200);
  border-radius: var(--radius);
  padding: 28px;
  margin-bottom: 20px;
}
.card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--grey-900);
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.card-badge {
  font-size: .72rem;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 6px;
  background: var(--blue-glow);
  color: var(--blue);
  text-transform: uppercase;
  letter-spacing: .06em;
}

/* ===== Fields ===== */
.field { margin-bottom: 16px; }
.field label {
  display: block;
  font-size: .8rem;
  font-weight: 600;
  color: var(--grey-500);
  text-transform: uppercase;
  letter-spacing: .06em;
  margin-bottom: 6px;
}
.field-hint {
  text-transform: none;
  font-weight: 400;
  letter-spacing: 0;
  color: var(--grey-300);
}
.field input[type="text"],
.field input[type="email"],
.field input[type="tel"],
.field input[type="number"],
.field input[type="password"] {
  width: 100%;
  padding: 11px 14px;
  border: 1.5px solid var(--grey-200);
  border-radius: 8px;
  font-size: .92rem;
  font-family: var(--font);
  color: var(--grey-900);
  transition: all .2s var(--ease);
  background: var(--white);
}
.field input:focus {
  outline: none;
  border-color: var(--blue-light);
  box-shadow: 0 0 0 3px var(--blue-glow);
}
.field input:hover {
  border-color: var(--grey-300);
}
.field-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
}
.field-row .field { margin-bottom: 0; }

.input-prefix {
  position: relative;
  display: flex;
  align-items: center;
}
.input-prefix span {
  position: absolute;
  left: 14px;
  color: var(--grey-500);
  font-weight: 600;
  font-size: .9rem;
  pointer-events: none;
}
.input-prefix input {
  padding-left: 32px !important;
}

/* Toggle Switch */
.toggle-label {
  display: flex !important;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  text-transform: none !important;
  letter-spacing: 0 !important;
  font-size: .92rem !important;
  font-weight: 500 !important;
  color: var(--grey-700) !important;
}
.toggle-label input[type="checkbox"] { display: none; }
.toggle-switch {
  width: 44px;
  height: 24px;
  border-radius: 12px;
  background: var(--grey-200);
  position: relative;
  transition: background .2s var(--ease);
  flex-shrink: 0;
}
.toggle-switch::after {
  content: '';
  position: absolute;
  top: 3px;
  left: 3px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--white);
  box-shadow: 0 1px 3px rgba(0,0,0,.15);
  transition: transform .2s var(--ease);
}
.toggle-label input:checked + .toggle-switch {
  background: var(--blue);
}
.toggle-label input:checked + .toggle-switch::after {
  transform: translateX(20px);
}

/* ===== Instructions list ===== */
.instructions {
  padding-left: 20px;
  list-style: decimal;
  color: var(--grey-500);
  font-size: .92rem;
  line-height: 1.8;
}
.instructions strong { color: var(--grey-700); }
.instructions code {
  background: var(--grey-100);
  padding: 2px 8px;
  border-radius: 4px;
  font-size: .85rem;
  color: var(--grey-900);
}

/* ===== Calendar Embed ===== */
.calendar-embed {
  border-radius: 8px;
  overflow: hidden;
  min-height: 400px;
  background: var(--grey-50);
  border: 1px solid var(--grey-200);
}
.calendar-embed iframe {
  width: 100%;
  height: 400px;
  border: none;
}

/* ===== Actions ===== */
.panel-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 8px;
  flex-wrap: wrap;
}
.btn-save {
  padding: 11px 24px;
  background: linear-gradient(135deg, var(--blue), var(--blue-light));
  color: var(--white);
  border: none;
  border-radius: 10px;
  font-size: .9rem;
  font-weight: 600;
  font-family: var(--font);
  cursor: pointer;
  transition: all .25s var(--ease);
}
.btn-save:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(10,61,145,.25);
}
.btn-secondary {
  padding: 11px 24px;
  background: var(--white);
  color: var(--grey-700);
  border: 1.5px solid var(--grey-200);
  border-radius: 10px;
  font-size: .9rem;
  font-weight: 600;
  font-family: var(--font);
  cursor: pointer;
  transition: all .2s var(--ease);
}
.btn-secondary:hover {
  border-color: var(--grey-300);
  background: var(--grey-50);
}
.btn-reset {
  padding: 11px 24px;
  background: none;
  color: var(--grey-500);
  border: none;
  font-size: .9rem;
  font-family: var(--font);
  cursor: pointer;
  transition: color .2s var(--ease);
}
.btn-reset:hover { color: var(--red); }

.save-status {
  font-size: .85rem;
  font-weight: 500;
  color: var(--green);
  opacity: 0;
  transition: opacity .3s var(--ease);
}
.save-status.show { opacity: 1; }

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .admin-body { flex-direction: column; }
  .sidebar {
    width: 100%;
    min-height: auto;
    border-right: none;
    border-bottom: 1px solid var(--grey-200);
    padding: 12px;
    flex-direction: row;
    align-items: center;
    gap: 8px;
  }
  .sidebar nav { flex-direction: row; flex-wrap: wrap; gap: 4px; }
  .sidebar-link { font-size: .82rem; padding: 8px 12px; }
  .sidebar-back { display: none; }
  .admin-main { padding: 20px 16px; }
  .login-card { padding: 36px 24px; }
  .admin-user { display: none; }
}