/* ============================================
   Admin Panel — ¿Eres feliz?
   Brand palette: #000e20, #006a65, #FFF9C4
   ============================================ */

:root {
  --primary: #000e20;
  --primary-container: #002444;
  --secondary: #006a65;
  --secondary-container: #79f3ea;
  --background: #f7f9fc;
  --surface: #ffffff;
  --surface-container: #eceef1;
  --quote-bg: #FFF9C4;
  --error: #ba1a1a;
  --outline: #73777f;
  --on-primary: #ffffff;
  --on-surface: #000e20;
  --radius-md: 12px;
  --radius-lg: 20px;
}

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

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: var(--background);
  color: var(--on-surface);
  min-height: 100vh;
}

/* ============ Login ============ */

.login-screen {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-container) 100%);
}

.login-card {
  background: var(--surface);
  padding: 48px 40px;
  border-radius: var(--radius-lg);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
  width: 100%;
  max-width: 400px;
  text-align: center;
}

.login-avatar {
  font-size: 48px;
  margin-bottom: 16px;
}

.login-card h1 {
  color: var(--primary);
  font-size: 24px;
  margin-bottom: 4px;
}

.login-subtitle {
  color: var(--outline);
  font-size: 14px;
  margin-bottom: 24px;
}

#login-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.error-text {
  color: var(--error);
  font-size: 13px;
  margin-top: 12px;
  min-height: 20px;
}

/* ============ Buttons ============ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border: none;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-primary {
  background: var(--secondary);
  color: var(--on-primary);
}
.btn-primary:hover {
  background: #005a56;
}

.btn-secondary {
  background: var(--surface-container);
  color: var(--on-surface);
}
.btn-secondary:hover {
  background: #dfe1e4;
}

.btn-google {
  background: var(--surface);
  color: var(--on-surface);
  border: 1px solid var(--outline);
  width: 100%;
  margin-top: 12px;
}
.btn-google:hover {
  background: var(--surface-container);
}

.google-icon {
  font-weight: bold;
  font-size: 18px;
  color: #4285f4;
}

.btn-small {
  padding: 6px 16px;
  font-size: 13px;
  background: rgba(255, 255, 255, 0.15);
  color: var(--on-primary);
  border: 1px solid rgba(255, 255, 255, 0.3);
}
.btn-small:hover {
  background: rgba(255, 255, 255, 0.25);
}

.btn-danger {
  background: var(--error);
  color: white;
  padding: 6px 14px;
  font-size: 12px;
}
.btn-danger:hover {
  background: #a01616;
}

.btn-approve {
  background: var(--secondary);
  color: white;
  padding: 6px 14px;
  font-size: 12px;
}

.btn-reject {
  background: var(--outline);
  color: white;
  padding: 6px 14px;
  font-size: 12px;
}

.btn-edit {
  background: var(--primary-container);
  color: white;
  padding: 6px 14px;
  font-size: 12px;
}

/* ============ Inputs ============ */

input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
textarea,
select {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--surface-container);
  border-radius: var(--radius-md);
  font-size: 14px;
  font-family: inherit;
  background: var(--surface);
  color: var(--on-surface);
  transition: border-color 0.2s;
}

input:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--secondary);
  box-shadow: 0 0 0 3px rgba(0, 106, 101, 0.1);
}

textarea {
  resize: vertical;
  min-height: 80px;
}

/* ============ Admin Layout ============ */

.admin-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  background: var(--primary);
  color: var(--on-primary);
}

.header-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.header-avatar {
  font-size: 28px;
}

.header-left h2 {
  font-size: 18px;
  font-weight: 700;
}

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

.user-email {
  font-size: 13px;
  opacity: 0.8;
}

/* ============ Tabs ============ */

.tab-nav {
  display: flex;
  gap: 0;
  background: var(--surface);
  border-bottom: 1px solid var(--surface-container);
  padding: 0 24px;
  overflow-x: auto;
}

.tab-btn {
  padding: 14px 20px;
  border: none;
  background: none;
  font-size: 14px;
  font-weight: 500;
  color: var(--outline);
  cursor: pointer;
  border-bottom: 3px solid transparent;
  white-space: nowrap;
  transition: all 0.2s;
}

.tab-btn:hover {
  color: var(--secondary);
}

.tab-btn.active {
  color: var(--secondary);
  border-bottom-color: var(--secondary);
  font-weight: 600;
}

/* ============ Tab Content ============ */

.tab-content {
  padding: 24px;
  max-width: 960px;
  margin: 0 auto;
}

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  flex-wrap: wrap;
  gap: 12px;
}

.panel-header h3 {
  font-size: 20px;
  color: var(--primary);
}

/* ============ Dashboard Stats ============ */

.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 16px;
}

.stat-card {
  background: var(--surface);
  border-radius: var(--radius-md);
  padding: 24px 20px;
  text-align: center;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.06);
  border: 1px solid var(--surface-container);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  cursor: default;
}

.stat-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 106, 101, 0.12);
  border-color: var(--secondary-container);
}

.stat-number {
  font-size: 36px;
  font-weight: 700;
  color: var(--secondary);
  margin-bottom: 6px;
}

.stat-label {
  font-size: 13px;
  color: var(--outline);
  font-weight: 500;
}

/* ============ Forms ============ */

.form-container {
  background: var(--quote-bg);
  padding: 24px;
  border-radius: var(--radius-lg);
  margin-bottom: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  border: 1px solid rgba(0, 106, 101, 0.15);
}

.form-row {
  display: flex;
  gap: 12px;
}

.form-row input {
  flex: 1;
}

.form-actions {
  display: flex;
  gap: 12px;
  margin-top: 4px;
}

/* ============ Items List ============ */

.items-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.item-card {
  background: var(--surface);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.06);
  display: flex;
  align-items: flex-start;
  gap: 16px;
  border: 1px solid var(--surface-container);
}

.item-info {
  flex: 1;
}

.item-title {
  font-weight: 600;
  font-size: 15px;
  color: var(--primary);
  margin-bottom: 4px;
}

.item-meta {
  font-size: 13px;
  color: var(--outline);
  line-height: 1.5;
}

.item-actions {
  display: flex;
  gap: 8px;
  flex-shrink: 0;
  align-items: flex-start;
}

/* ============ Filters ============ */

.filter-group {
  display: flex;
  gap: 8px;
}

.filter-btn {
  padding: 6px 14px;
  border: 1px solid var(--surface-container);
  border-radius: 999px;
  background: var(--surface);
  font-size: 13px;
  cursor: pointer;
  color: var(--outline);
  transition: all 0.2s;
}

.filter-btn.active {
  background: var(--secondary);
  color: white;
  border-color: var(--secondary);
}

/* ============ Status Badges ============ */

.badge {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
}

.badge-pending {
  background: var(--quote-bg);
  color: #7a6900;
}

.badge-approved {
  background: rgba(0, 106, 101, 0.12);
  color: var(--secondary);
}

.badge-rejected {
  background: rgba(186, 26, 26, 0.1);
  color: var(--error);
}

/* ============ Loading ============ */

.loading {
  text-align: center;
  padding: 40px;
  color: var(--outline);
  font-size: 14px;
}

/* ============ Responsive ============ */

@media (max-width: 600px) {
  .tab-nav {
    padding: 0 12px;
  }
  .tab-btn {
    padding: 12px 14px;
    font-size: 13px;
  }
  .tab-content {
    padding: 16px;
  }
  .login-card {
    margin: 16px;
    padding: 32px 24px;
  }
  .form-row {
    flex-direction: column;
  }
  .panel-header {
    flex-direction: column;
    align-items: flex-start;
  }
  .admin-header {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }
  .header-right {
    width: 100%;
    justify-content: center;
  }
  .stat-grid {
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  }
}

.field-group-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 4px;
  color: #555;
}

.field-label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: #555;
  margin: 8px 0 3px;
}