/* KHHIMS Admin Panel */
:root {
  --adm-bg: #f0f4f8;
  --adm-sidebar: #0f2744;
  --adm-accent: #1e5799;
  --adm-accent-hover: #164a7a;
  --adm-border: #d8e2ec;
  --adm-text: #1e293b;
  --adm-muted: #64748b;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: 'Segoe UI', Roboto, Arial, sans-serif;
  background: var(--adm-bg);
  color: var(--adm-text);
}

.adm-login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: linear-gradient(135deg, #0f2744 0%, #1e5799 50%, #00a3ad 100%);
}

.adm-login-card {
  width: 100%;
  max-width: 400px;
  background: #fff;
  border-radius: 12px;
  padding: 36px 32px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.2);
}

.adm-login-card h1 {
  margin: 0 0 8px;
  font-size: 1.35rem;
  color: var(--adm-accent);
  text-align: center;
}

.adm-login-logo {
  display: block;
  margin: 0 auto 16px;
}

.adm-login-sub {
  text-align: center;
  margin-bottom: 24px !important;
}

.adm-login-card p.adm-login-sub {
  color: var(--adm-muted);
  font-size: 14px;
}

.adm-login-card p {
  margin: 0 0 24px;
  color: var(--adm-muted);
  font-size: 14px;
}

.adm-field {
  margin-bottom: 16px;
}

.adm-field label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 6px;
}

.adm-field input,
.adm-field textarea,
.adm-field select {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--adm-border);
  border-radius: 8px;
  font-size: 14px;
}

.adm-field textarea {
  min-height: 100px;
  resize: vertical;
}

.adm-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 18px;
  border: none;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  background: var(--adm-accent);
  color: #fff;
}

.adm-btn:hover {
  background: var(--adm-accent-hover);
}

.adm-btn--ghost {
  background: #fff;
  color: var(--adm-accent);
  border: 1px solid var(--adm-border);
}

.adm-btn--danger {
  background: #dc3545;
}

.adm-btn--block {
  width: 100%;
}

.adm-error {
  color: #dc3545;
  font-size: 13px;
  margin-top: 12px;
}

.adm-layout {
  display: flex;
  min-height: 100vh;
}

.adm-sidebar {
  width: 260px;
  background: var(--adm-sidebar);
  color: #fff;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
}

.adm-sidebar-brand {
  padding: 20px;
  font-weight: 700;
  font-size: 15px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.adm-sidebar-brand small {
  display: block;
  font-weight: 400;
  font-size: 11px;
  opacity: 0.75;
  margin-top: 4px;
}

.adm-nav {
  flex: 1;
  padding: 12px 0;
  overflow-y: auto;
}

.adm-nav button {
  display: block;
  width: 100%;
  text-align: left;
  padding: 10px 20px;
  border: none;
  background: transparent;
  color: rgba(255, 255, 255, 0.85);
  font-size: 13px;
  cursor: pointer;
}

.adm-nav button:hover,
.adm-nav button.is-active {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
}

.adm-sidebar-footer {
  padding: 16px 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.adm-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.adm-topbar {
  background: #fff;
  border-bottom: 1px solid var(--adm-border);
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.adm-topbar h2 {
  margin: 0;
  font-size: 1.15rem;
}

.adm-content {
  padding: 24px;
  overflow-y: auto;
}

.adm-panel {
  display: none;
  background: #fff;
  border-radius: 12px;
  padding: 24px;
  box-shadow: 0 2px 12px rgba(15, 39, 68, 0.06);
  margin-bottom: 20px;
}

.adm-panel.is-visible {
  display: block;
}

.adm-panel h3 {
  margin: 0 0 16px;
  font-size: 1.05rem;
  color: var(--adm-accent);
}

.adm-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.adm-list-item {
  border: 1px solid var(--adm-border);
  border-radius: 10px;
  padding: 16px;
  margin-bottom: 12px;
  background: #fafbfc;
}

.adm-list-item-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.adm-list-item-head strong {
  font-size: 14px;
}

.adm-toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: #0f2744;
  color: #fff;
  padding: 12px 20px;
  border-radius: 8px;
  font-size: 14px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s;
  z-index: 9999;
}

.adm-toast.is-show {
  opacity: 1;
}

.adm-image-row {
  display: flex;
  gap: 8px;
  align-items: stretch;
}

.adm-image-row .adm-image-path {
  flex: 1;
  min-width: 0;
}

.adm-image-preview {
  display: block;
  margin-top: 10px;
  max-width: 220px;
  max-height: 140px;
  object-fit: cover;
  border-radius: 8px;
  border: 1px solid var(--adm-border);
  background: #f8fafc;
}

.adm-upload-btn:disabled {
  opacity: 0.65;
  cursor: wait;
}

@media (max-width: 900px) {
  .adm-layout {
    flex-direction: column;
  }

  .adm-sidebar {
    width: 100%;
  }

  .adm-nav {
    display: flex;
    flex-wrap: wrap;
    padding: 8px;
  }

  .adm-nav button {
    width: auto;
    border-radius: 6px;
    margin: 2px;
  }

  .adm-grid-2 {
    grid-template-columns: 1fr;
  }
}