/* static/css/custom.css */

/* ====================================================
    Design System Variables & Fallbacks
==================================================== */
:root {
  --primary-blue: var(--color-accent-edu, #0F766E);
  --primary-text: var(--color-ink, #1A1D20);
  --secondary-text: #5C626A;
  --page-background: var(--color-canvas, #FFFFFF);
  --card-background: var(--color-canvas, #FFFFFF);
  --border-color: var(--color-border, #E5E7EB);
  
  --success: var(--color-success, #10B981);
  --warning: var(--color-warning, #F59E0B);
  --error: var(--color-critical, #EF4444);
  --info: #06B6D4;
  --light-gray: var(--color-surface, #F9FAFB);
}

/* ====================================================
    Global Spacing and Layout
==================================================== */
.container, .container-fluid {
  max-width: 1280px;
}

/* Ensure margins and paddings snap to 8px base */
.mb-4 { margin-bottom: var(--space-lg, 24px) !important; }
.mb-3 { margin-bottom: var(--space-md, 16px) !important; }
.p-4 { padding: var(--space-lg, 24px) !important; }
.p-3 { padding: var(--space-md, 16px) !important; }

/* ====================================================
    Component Designs — Buttons
==================================================== */
.btn {
    border-radius: var(--radius-md, 6px);
    font-weight: 600;
    font-size: 14px;
    font-family: var(--font-primary, inherit);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all var(--motion-micro, 100ms ease-out);
    border: 1px solid transparent;
    cursor: pointer;
    
    /* Touch Target Sizing (Mobile-First 44px min height) */
    min-height: 44px;
    padding: 10px 20px;
}

@media (min-width: 768px) {
    .btn {
        min-height: 40px; /* Refined desktop size */
        padding: 8px 18px;
    }
}

/* Button Variants */
.btn-primary {
  background-color: var(--color-accent-edu, #0F766E);
  border-color: var(--color-accent-edu, #0F766E);
  color: #FFFFFF;
}
.btn-primary:hover, .btn-primary:focus, .btn-primary:active {
  background-color: #0B5C56 !important;
  border-color: #0B5C56 !important;
  color: #FFFFFF !important;
}

.btn-secondary, .btn-outline-primary {
  background-color: #FFFFFF;
  border: 1.5px solid var(--color-accent-edu, #0F766E);
  color: var(--color-accent-edu, #0F766E);
}
.btn-secondary:hover, .btn-secondary:focus, .btn-outline-primary:hover, .btn-outline-primary:focus {
  background-color: var(--color-accent-edu, #0F766E) !important;
  color: #FFFFFF !important;
  border-color: var(--color-accent-edu, #0F766E) !important;
}

.btn-danger, .btn-destructive {
  background-color: var(--color-critical, #EF4444);
  border-color: var(--color-critical, #EF4444);
  color: #FFFFFF;
}
.btn-danger:hover, .btn-danger:focus {
  background-color: #DC2626 !important;
  border-color: #DC2626 !important;
  color: #FFFFFF !important;
}

.btn-ghost {
  background-color: transparent;
  border-color: transparent;
  color: var(--color-ink, #1A1D20);
}
.btn-ghost:hover, .btn-ghost:focus {
  background-color: var(--color-surface, #F9FAFB);
  color: var(--color-ink, #1A1D20);
}

/* ====================================================
    Component Designs — Cards & Panels
==================================================== */
.card {
  border-radius: var(--radius-md, 6px);
  border: 1px solid var(--color-border, #E5E7EB);
  background-color: var(--color-canvas, #FFFFFF);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06); /* Barely visible shadow */
  overflow: hidden;
  transition: box-shadow var(--motion-standard, 200ms ease-out);
}

.card-header {
  background-color: var(--color-surface, #F9FAFB);
  border-bottom: 1px solid var(--color-border, #E5E7EB);
  padding: var(--space-md, 16px) var(--space-lg, 24px);
  font-family: var(--font-display, inherit);
  font-weight: 600;
}

.card-body {
  padding: var(--space-lg, 24px);
}

/* ====================================================
    Component Designs — Forms & Inputs
==================================================== */
label, .form-label {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-ink, #1A1D20);
  margin-bottom: 6px;
  display: block;
}

.form-control, .form-select {
  border-radius: var(--radius-md, 6px);
  border: 1px solid #D1D5DB;
  font-size: 15px;
  padding: 10px 14px;
  color: var(--color-ink, #1A1D20);
  background-color: #FFFFFF;
  transition: border-color var(--motion-micro, 100ms ease-out), box-shadow var(--motion-micro, 100ms ease-out);
}

.form-control:focus, .form-select:focus {
  border-color: var(--color-accent-edu, #0F766E);
  outline: none;
  box-shadow: 0 0 0 3px rgba(15, 118, 110, 0.15); /* Subtle teal glow */
}

/* ====================================================
    Component Designs — Data Tables
==================================================== */
.table {
  border-color: var(--color-border, #E5E7EB);
  font-size: 14px;
  vertical-align: middle;
}

.table th, .table thead th {
  background-color: var(--color-surface, #F9FAFB);
  font-weight: 600;
  color: var(--color-ink, #1A1D20);
  padding: var(--space-sm, 8px) var(--space-md, 16px);
  border-bottom: 2px solid var(--color-border, #E5E7EB);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.table td {
  padding: 14px var(--space-md, 16px); /* Generous padding for clean line-height */
  border-bottom: 1px solid var(--color-border, #E5E7EB);
  color: var(--color-ink, #1A1D20);
}

/* Zebra Striping */
.table-striped > tbody > tr:nth-of-type(odd) > * {
  background-color: var(--color-surface, #F9FAFB);
  color: var(--color-ink, #1A1D20);
}

.table-hover > tbody > tr:hover > * {
  background-color: #F3F4F6 !important; /* Soft hover grey */
}

/* Status Badges */
.badge {
  font-weight: 600;
  font-size: 12px;
  padding: 6px 10px;
  border-radius: var(--radius-sm, 4px);
  display: inline-inline-flex;
  align-items: center;
  gap: 6px;
  text-transform: capitalize;
}

.bg-success {
  background-color: rgba(16, 185, 129, 0.1) !important;
  color: var(--color-success, #10B981) !important;
}

.bg-warning {
  background-color: rgba(245, 158, 11, 0.1) !important;
  color: var(--color-warning, #F59E0B) !important;
}

.bg-danger {
  background-color: rgba(239, 68, 68, 0.1) !important;
  color: var(--color-critical, #EF4444) !important;
}

/* Dot indicators for table status rows */
.status-dot {
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
  display: inline-block;
}
.status-dot.success { background-color: var(--color-success, #10B981); }
.status-dot.warning { background-color: var(--color-warning, #F59E0B); }
.status-dot.danger  { background-color: var(--color-critical, #EF4444); }

/* ====================================================
    Feedback & Custom Alerts
==================================================== */
.alert {
  border-radius: var(--radius-md, 6px);
  padding: 16px;
  border: 1px solid transparent;
  font-size: 14px;
  font-weight: 500;
  margin-bottom: var(--space-md, 16px);
}

.alert-success {
  background-color: rgba(16, 185, 129, 0.08);
  border-color: rgba(16, 185, 129, 0.2);
  color: #065F46;
}

.alert-warning {
  background-color: rgba(245, 158, 11, 0.08);
  border-color: rgba(245, 158, 11, 0.2);
  color: #92400E;
}

.alert-danger {
  background-color: rgba(239, 68, 68, 0.08);
  border-color: rgba(239, 68, 68, 0.2);
  color: #991B1B;
}

.alert-info {
  background-color: rgba(6, 182, 212, 0.08);
  border-color: rgba(6, 182, 212, 0.2);
  color: #155E75;
}