/* ==========================================================================
   TRUST MANAGEMENT SOFTWARE - Multi-Platform Design System (Material 3)
   ========================================================================== */

:root {
  --md-sys-color-primary: #006874;
  --md-sys-color-on-primary: #ffffff;
  --md-sys-color-primary-container: #9eeffd;
  --md-sys-color-on-primary-container: #001f24;
  --md-sys-color-secondary: #4a6267;
  --md-sys-color-on-secondary: #ffffff;
  --md-sys-color-secondary-container: #cce8ed;
  --md-sys-color-on-secondary-container: #051f23;
  --md-sys-color-tertiary: #525e7d;
  --md-sys-color-on-tertiary: #ffffff;
  --md-sys-color-tertiary-container: #dae2ff;
  --md-sys-color-on-tertiary-container: #0e1b37;
  --md-sys-color-error: #ba1a1a;
  --md-sys-color-on-error: #ffffff;
  --md-sys-color-error-container: #ffdad6;
  --md-sys-color-on-error-container: #410002;
  --md-sys-color-background: #f8fafb;
  --md-sys-color-on-background: #191c1d;
  --md-sys-color-surface: #ffffff;
  --md-sys-color-on-surface: #191c1d;
  --md-sys-color-surface-variant: #dbe4e6;
  --md-sys-color-on-surface-variant: #3f484a;
  --md-sys-color-outline: #6f797a;
  --md-sys-color-outline-variant: #bfc8ca;
  --md-sys-color-success: #1b873f;
  --md-sys-color-success-container: #c4f3d0;
  --md-sys-color-warning: #b7791f;
  --md-sys-color-warning-container: #fef3c7;
  
  --radius-xs: 4px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 28px;
  --radius-full: 9999px;

  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.08), 0 2px 4px -1px rgba(0,0,0,0.04);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -2px rgba(0,0,0,0.04);
  --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 10px 10px -5px rgba(0,0,0,0.04);

  --font-main: 'Segoe UI', -apple-system, BlinkMacSystemFont, Roboto, Helvetica, Arial, sans-serif;
}

[data-theme="dark"] {
  --md-sys-color-primary: #82d3e0;
  --md-sys-color-on-primary: #00363d;
  --md-sys-color-primary-container: #004f58;
  --md-sys-color-on-primary-container: #9eeffd;
  --md-sys-color-secondary: #b0ccd1;
  --md-sys-color-on-secondary: #1b3438;
  --md-sys-color-secondary-container: #324b4f;
  --md-sys-color-on-secondary-container: #cce8ed;
  --md-sys-color-background: #0f1416;
  --md-sys-color-on-background: #deecef;
  --md-sys-color-surface: #171d20;
  --md-sys-color-on-surface: #deecef;
  --md-sys-color-surface-variant: #3f484a;
  --md-sys-color-on-surface-variant: #bfc8ca;
  --md-sys-color-outline: #899294;
  --md-sys-color-outline-variant: #3f484a;
  --md-sys-color-success: #34d399;
  --md-sys-color-success-container: #064e3b;
  --md-sys-color-warning: #fbbf24;
  --md-sys-color-warning-container: #78350f;
}

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

body {
  font-family: var(--font-main);
  background-color: var(--md-sys-color-background);
  color: var(--md-sys-color-on-background);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  transition: background-color 0.2s ease, color 0.2s ease;
  line-height: 1.5;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  color: var(--md-sys-color-on-surface);
  line-height: 1.25;
}

a {
  color: var(--md-sys-color-primary);
  text-decoration: none;
}

/* App Shell Layout */
.app-container {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* Top Navigation Bar */
.top-navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--md-sys-color-surface);
  border-bottom: 1px solid var(--md-sys-color-outline-variant);
  box-shadow: var(--shadow-sm);
  padding: 0.75rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-wrapper {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  cursor: pointer;
}

.brand-logo {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--md-sys-color-primary), #004f58);
  color: #fff;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.25rem;
  box-shadow: var(--shadow-sm);
}

.brand-logo-img {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  object-fit: contain;
  background: #ffffff;
  padding: 2px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--md-sys-color-outline-variant);
}

.brand-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--md-sys-color-primary);
  letter-spacing: -0.02em;
}

.brand-subtitle {
  font-size: 0.75rem;
  color: var(--md-sys-color-outline);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.55rem 1.2rem;
  border-radius: var(--radius-full);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--md-sys-color-primary);
  color: var(--md-sys-color-on-primary);
}
.btn-primary:hover {
  opacity: 0.92;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background-color: var(--md-sys-color-secondary-container);
  color: var(--md-sys-color-on-secondary-container);
}
.btn-secondary:hover {
  background-color: var(--md-sys-color-surface-variant);
}

.btn-outline {
  border-color: var(--md-sys-color-outline);
  color: var(--md-sys-color-on-surface);
  background: transparent;
}
.btn-outline:hover {
  background-color: var(--md-sys-color-surface-variant);
}

.btn-success {
  background-color: var(--md-sys-color-success);
  color: #fff;
}

.btn-danger {
  background-color: var(--md-sys-color-error);
  color: #fff;
}

.btn-sm {
  padding: 0.35rem 0.75rem;
  font-size: 0.8rem;
}

.btn-icon {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-full);
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: none;
  background: transparent;
  color: var(--md-sys-color-on-surface-variant);
  cursor: pointer;
}
.btn-icon:hover {
  background-color: var(--md-sys-color-surface-variant);
}

/* Main Content Workspace */
.main-wrapper {
  display: flex;
  flex: 1;
}

/* Desktop Sidebar */
.app-sidebar {
  width: 260px;
  background-color: var(--md-sys-color-surface);
  border-right: 1px solid var(--md-sys-color-outline-variant);
  display: flex;
  flex-direction: column;
  padding: 1.25rem 0.75rem;
  gap: 0.25rem;
  transition: all 0.3s ease;
}

.sidebar-heading {
  font-size: 0.75rem;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--md-sys-color-outline);
  padding: 0.75rem 0.75rem 0.25rem;
  letter-spacing: 0.05em;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.65rem 1rem;
  border-radius: var(--radius-full);
  color: var(--md-sys-color-on-surface-variant);
  font-weight: 500;
  font-size: 0.92rem;
  cursor: pointer;
  transition: background-color 0.15s ease;
}

.nav-item:hover {
  background-color: var(--md-sys-color-surface-variant);
  color: var(--md-sys-color-on-surface);
}

.nav-item.active {
  background-color: var(--md-sys-color-primary-container);
  color: var(--md-sys-color-on-primary-container);
  font-weight: 600;
}

.nav-item .badge {
  margin-left: auto;
}

/* Content Area */
.content-area {
  flex: 1;
  padding: 1.75rem;
  max-width: 1300px;
  margin: 0 auto;
  width: 100%;
}

/* Grid & Cards */
.grid-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
  margin-bottom: 1.75rem;
}

.card {
  background-color: var(--md-sys-color-surface);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  border: 1px solid var(--md-sys-color-outline-variant);
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card-hover:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.card-title {
  font-size: 1.1rem;
  font-weight: 600;
}

/* KPI Metric Cards */
.kpi-card {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  border-left: 4px solid var(--md-sys-color-primary);
}

.kpi-title {
  font-size: 0.85rem;
  color: var(--md-sys-color-outline);
  font-weight: 500;
}

.kpi-value {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--md-sys-color-on-surface);
}

.kpi-subtext {
  font-size: 0.8rem;
  color: var(--md-sys-color-outline);
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: capitalize;
}

.badge-success {
  background-color: var(--md-sys-color-success-container);
  color: var(--md-sys-color-success);
}

.badge-warning {
  background-color: var(--md-sys-color-warning-container);
  color: var(--md-sys-color-warning);
}

.badge-danger {
  background-color: var(--md-sys-color-error-container);
  color: var(--md-sys-color-error);
}

.badge-info {
  background-color: var(--md-sys-color-tertiary-container);
  color: var(--md-sys-color-on-tertiary-container);
}

/* Tables */
.table-responsive {
  overflow-x: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--md-sys-color-outline-variant);
  background: var(--md-sys-color-surface);
}

table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.9rem;
}

th {
  background-color: var(--md-sys-color-surface-variant);
  color: var(--md-sys-color-on-surface-variant);
  font-weight: 600;
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--md-sys-color-outline-variant);
}

td {
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--md-sys-color-outline-variant);
  color: var(--md-sys-color-on-surface);
}

tr:last-child td {
  border-bottom: none;
}

tr:hover td {
  background-color: rgba(0, 104, 116, 0.04);
}

/* Forms & Inputs */
.form-group {
  margin-bottom: 1rem;
}

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 0.35rem;
  color: var(--md-sys-color-on-surface);
}

.form-control {
  width: 100%;
  padding: 0.65rem 0.85rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--md-sys-color-outline);
  background-color: var(--md-sys-color-surface);
  color: var(--md-sys-color-on-surface);
  font-size: 0.92rem;
  font-family: inherit;
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-control:focus {
  border-color: var(--md-sys-color-primary);
  box-shadow: 0 0 0 3px rgba(0, 104, 116, 0.15);
}

/* Modal Dialogs */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(3px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  opacity: 0;
  visibility: hidden;
  transition: all 0.25s ease;
}

.modal-backdrop.active {
  opacity: 1;
  visibility: visible;
}

.modal-dialog {
  background-color: var(--md-sys-color-surface);
  border-radius: var(--radius-xl);
  max-width: 600px;
  width: 100%;
  box-shadow: var(--shadow-xl);
  overflow: hidden;
  transform: scale(0.95);
  transition: transform 0.25s ease;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
}

.modal-backdrop.active .modal-dialog {
  transform: scale(1);
}

.modal-header {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--md-sys-color-outline-variant);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-body {
  padding: 1.5rem;
  overflow-y: auto;
}

.modal-footer {
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--md-sys-color-outline-variant);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.75rem;
}

/* Digital ID Card Styling */
.digital-id-card {
  width: 360px;
  max-width: 100%;
  margin: 1rem auto;
  background: linear-gradient(135deg, #004f58, #006874 60%, #00818f);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-xl);
  position: relative;
  overflow: hidden;
  border: 2px solid #82d3e0;
}

.digital-id-card::before {
  content: '';
  position: absolute;
  top: -50px;
  right: -50px;
  width: 150px;
  height: 150px;
  background: rgba(255,255,255,0.08);
  border-radius: 50%;
}

.id-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(255,255,255,0.25);
  padding-bottom: 0.75rem;
  margin-bottom: 1rem;
}

.id-photo-placeholder {
  width: 70px;
  height: 70px;
  border-radius: 50%;
  background: rgba(255,255,255,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  border: 2px solid #fff;
}

.id-body {
  display: flex;
  gap: 1rem;
  align-items: center;
  margin-bottom: 1rem;
}

.id-badge-code {
  font-family: monospace;
  font-size: 1.1rem;
  letter-spacing: 2px;
  color: #9eeffd;
  font-weight: 700;
}

/* Receipt Print Template */
.receipt-box {
  max-width: 600px;
  margin: 1.5rem auto;
  background: #fff;
  color: #111;
  padding: 2rem;
  border-radius: var(--radius-md);
  border: 1px solid #ccc;
  box-shadow: var(--shadow-md);
}

.receipt-header {
  text-align: center;
  border-bottom: 2px dashed #333;
  padding-bottom: 1rem;
  margin-bottom: 1rem;
}

.receipt-line {
  display: flex;
  justify-content: space-between;
  padding: 0.4rem 0;
  border-bottom: 1px solid #eee;
}

.receipt-total {
  font-size: 1.25rem;
  font-weight: 700;
  border-top: 2px solid #333;
  padding-top: 0.75rem;
  margin-top: 0.75rem;
}

/* Toast Alerts */
.toast-container {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.toast {
  background-color: var(--md-sys-color-surface);
  color: var(--md-sys-color-on-surface);
  border-left: 4px solid var(--md-sys-color-primary);
  border-radius: var(--radius-sm);
  padding: 0.85rem 1.25rem;
  box-shadow: var(--shadow-lg);
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  animation: slideIn 0.3s ease;
  min-width: 280px;
}

@keyframes slideIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* Responsive Rules */
@media (max-width: 768px) {
  .app-sidebar {
    position: fixed;
    top: 60px;
    left: -280px;
    bottom: 0;
    z-index: 99;
    box-shadow: var(--shadow-xl);
  }
  .app-sidebar.open {
    left: 0;
  }
  .content-area {
    padding: 1rem;
  }
  .top-navbar {
    padding: 0.6rem 1rem;
  }
}

@media print {
  body * {
    visibility: hidden;
  }
  .receipt-box, .receipt-box *, .digital-id-card, .digital-id-card * {
    visibility: visible;
  }
  .receipt-box {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    border: none;
    box-shadow: none;
  }
}