/* ==========================================================================
   Microsoft Teams / 365 Admin Center Stylesheet
   Designed for Admin Meeting Configuration Portal
   ========================================================================== */

:root {
  --admin-primary: #0078D4;
  --admin-primary-hover: #106EBE;
  --admin-primary-active: #005A9E;
  --admin-teams: #6264A7;
  --admin-teams-hover: #585A96;
  --admin-bg: #F0F2F5;
  --admin-card-bg: #FFFFFF;
  --admin-sidebar-bg: #FFFFFF;
  --admin-header-bg: #0F172A;
  
  --admin-text-main: #1E293B;
  --admin-text-muted: #64748B;
  --admin-text-light: #94A3B8;
  
  --admin-border: #E2E8F0;
  --admin-border-focus: #0078D4;
  
  --admin-success: #107C41;
  --admin-success-bg: #DFF6DD;
  --admin-warning: #D83B01;
  --admin-warning-bg: #FED9CC;

  --font-family: "Segoe UI Variable", "Segoe UI", -apple-system, BlinkMacSystemFont, Arial, sans-serif;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -2px rgba(0, 0, 0, 0.04);
}

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

body {
  font-family: var(--font-family);
  background-color: var(--admin-bg);
  color: var(--admin-text-main);
  line-height: 1.5;
  font-size: 14px;
  -webkit-font-smoothing: antialiased;
}

/* ==========================================================================
   Admin Header Bar
   ========================================================================== */
.admin-header {
  height: 54px;
  background-color: var(--admin-header-bg);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  box-shadow: 0 2px 4px rgba(0,0,0,0.12);
  position: sticky;
  top: 0;
  z-index: 100;
}

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

.admin-logo-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  font-size: 15px;
  letter-spacing: -0.2px;
}

.admin-badge-env {
  background-color: rgba(255, 255, 255, 0.15);
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 500;
  color: #38BDF8;
}

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

.admin-btn-header-preview {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background-color: var(--admin-teams);
  color: #FFFFFF;
  text-decoration: none;
  padding: 6px 14px;
  border-radius: 4px;
  font-size: 13px;
  font-weight: 600;
  transition: background-color 0.15s ease;
}

.admin-btn-header-preview:hover {
  background-color: var(--admin-teams-hover);
  text-decoration: none;
}

/* ==========================================================================
   Admin Layout
   ========================================================================== */
.admin-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 28px 20px 48px 20px;
}

.admin-page-title-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  flex-wrap: wrap;
  gap: 16px;
}

.admin-title-group h1 {
  font-size: 24px;
  font-weight: 600;
  color: #0F172A;
  letter-spacing: -0.4px;
}

.admin-title-group p {
  color: var(--admin-text-muted);
  font-size: 13px;
  margin-top: 2px;
}

.admin-top-cta-group {
  display: flex;
  align-items: center;
  gap: 10px;
}

/* Grid Layout */
.admin-main-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 24px;
}

@media (max-width: 960px) {
  .admin-main-grid {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   Cards & Sections
   ========================================================================== */
.admin-card {
  background-color: var(--admin-card-bg);
  border: 1px solid var(--admin-border);
  border-radius: 8px;
  box-shadow: var(--shadow-sm);
  margin-bottom: 24px;
  overflow: hidden;
}

.admin-card-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--admin-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: #FAFAFA;
}

.admin-card-title {
  font-size: 15px;
  font-weight: 600;
  color: #0F172A;
  display: flex;
  align-items: center;
  gap: 8px;
}

.admin-card-title svg {
  color: var(--admin-primary);
}

.admin-card-body {
  padding: 20px;
}

/* ==========================================================================
   Form Controls
   ========================================================================== */
.admin-form-group {
  margin-bottom: 18px;
}

.admin-form-group:last-child {
  margin-bottom: 0;
}

.admin-form-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: #334155;
  margin-bottom: 6px;
}

.admin-form-label span.req {
  color: var(--admin-warning);
  margin-left: 2px;
}

.admin-form-desc {
  font-size: 11px;
  color: var(--admin-text-muted);
  margin-top: 4px;
}

.admin-input-text,
.admin-input-select,
.admin-input-textarea {
  width: 100%;
  padding: 9px 12px;
  border: 1px solid var(--admin-border);
  border-radius: 4px;
  font-family: inherit;
  font-size: 13px;
  color: var(--admin-text-main);
  background-color: #FFFFFF;
  transition: all 0.15s ease;
}

.admin-input-text:focus,
.admin-input-select:focus,
.admin-input-textarea:focus {
  outline: none;
  border-color: var(--admin-border-focus);
  box-shadow: 0 0 0 2px rgba(0, 120, 212, 0.15);
}

.admin-input-group-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

@media (max-width: 600px) {
  .admin-input-group-row {
    grid-template-columns: 1fr;
  }
}

.admin-input-with-icon {
  position: relative;
  display: flex;
  align-items: center;
}

.admin-input-with-icon input {
  padding-left: 36px;
}

.admin-input-icon {
  position: absolute;
  left: 10px;
  color: var(--admin-text-light);
  display: flex;
  align-items: center;
  pointer-events: none;
}

/* Date Helper Box */
.admin-date-picker-helper {
  background-color: #F8FAFC;
  border: 1px dashed #CBD5E1;
  border-radius: 6px;
  padding: 12px;
  margin-top: 10px;
}

.admin-helper-title {
  font-size: 12px;
  font-weight: 600;
  color: #475569;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.admin-quick-dates {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.admin-btn-chip {
  padding: 4px 10px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
  background-color: #FFFFFF;
  border: 1px solid #CBD5E1;
  color: #334155;
  cursor: pointer;
  transition: all 0.15s ease;
}

.admin-btn-chip:hover {
  background-color: #F1F5F9;
  border-color: #94A3B8;
  color: #0F172A;
}

/* ==========================================================================
   Sidebar Widgets & Presets
   ========================================================================== */
.admin-preset-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.admin-preset-btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  background-color: #F8FAFC;
  border: 1px solid var(--admin-border);
  border-radius: 6px;
  text-align: left;
  cursor: pointer;
  transition: all 0.15s ease;
  width: 100%;
}

.admin-preset-btn:hover {
  background-color: #EFF6FC;
  border-color: #0078D4;
}

.admin-preset-info strong {
  display: block;
  font-size: 13px;
  color: #0F172A;
}

.admin-preset-info span {
  font-size: 11px;
  color: var(--admin-text-muted);
}

.admin-preset-icon {
  color: var(--admin-primary);
}

/* Status Preview Pill */
.admin-preview-box {
  background-color: #F8FAFC;
  border: 1px solid var(--admin-border);
  border-radius: 6px;
  padding: 14px;
}

.admin-preview-item {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  padding: 6px 0;
  border-bottom: 1px solid #E2E8F0;
}

.admin-preview-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.admin-preview-label {
  color: var(--admin-text-muted);
}

.admin-preview-val {
  font-weight: 600;
  color: #0F172A;
  max-width: 60%;
  text-align: right;
  word-break: break-all;
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.admin-btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background-color: var(--admin-primary);
  color: #FFFFFF;
  border: none;
  border-radius: 4px;
  padding: 10px 22px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.15s ease;
}

.admin-btn-primary:hover {
  background-color: var(--admin-primary-hover);
}

.admin-btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background-color: #FFFFFF;
  color: #334155;
  border: 1px solid var(--admin-border);
  border-radius: 4px;
  padding: 10px 18px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
  text-decoration: none;
}

.admin-btn-secondary:hover {
  background-color: #F8FAFC;
  border-color: #94A3B8;
  color: #0F172A;
  text-decoration: none;
}

.admin-btn-danger {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background-color: transparent;
  color: #DC2626;
  border: 1px solid #FECACA;
  border-radius: 4px;
  padding: 6px 12px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
}

.admin-btn-danger:hover {
  background-color: #FEF2F2;
  border-color: #F87171;
}

/* Bottom Action Bar */
.admin-sticky-actions {
  position: sticky;
  bottom: 0;
  background-color: #FFFFFF;
  border-top: 1px solid var(--admin-border);
  padding: 14px 24px;
  box-shadow: 0 -4px 12px rgba(0,0,0,0.06);
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 32px;
  z-index: 90;
  border-radius: 8px;
}

/* Toast */
.admin-toast {
  position: fixed;
  bottom: 30px;
  right: 30px;
  background-color: #0F172A;
  color: #FFFFFF;
  padding: 12px 20px;
  border-radius: 6px;
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.25);
  font-size: 14px;
  display: flex;
  align-items: center;
  gap: 10px;
  opacity: 0;
  transform: translateY(12px);
  pointer-events: none;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 999;
}

.admin-toast.active {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.admin-toast svg {
  color: #4ADE80;
  flex-shrink: 0;
}