/* ============================================
   PULSE DESIGN SYSTEM - BOOTSTRAP 5 OVERRIDES
   Version: 2.0.0
   
   Updated to match the Pulse UI design system.
   Import after Bootstrap CSS:
   <link href="bootstrap.min.css" rel="stylesheet">
   <link href="https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&family=DM+Mono:wght@400;500&display=swap" rel="stylesheet">
   <link href="pulse.css" rel="stylesheet">
   ============================================ */

/* ------------------------------------------
   1. CSS VARIABLES & COLOR SYSTEM
   ------------------------------------------ */
:root {
    /* ── Core Brand Palette ── */
    --pulse-teal-dark:    #0d6b72;
    --pulse-teal-mid:     #0e9e9a;
    --pulse-teal-light:   #12c4b8;
    --pulse-cyan:         #2ee8ce;
    --pulse-gradient:     linear-gradient(135deg, #0d6b72 0%, #0e9e9a 45%, #12c4b8 75%, #2ee8ce 100%);
    --pulse-gradient-h:   linear-gradient(90deg,  #0d6b72 0%, #0e9e9a 50%, #2ee8ce 100%);

    /* ── Legacy aliases (kept for backward compatibility) ── */
    --pulse-blue:         #0e9e9a;
    --pulse-green:        #0e9e9a;
    --pulse-blue-light:   #12c4b8;
    --pulse-blue-dark:    #0d6b72;
    --pulse-green-light:  #12c4b8;
    --pulse-green-dark:   #0d6b72;

    /* ── Semantic Colors ── */
    --pulse-success:      #10b981;
    --pulse-warning:      #f59e0b;
    --pulse-danger:       #ef4444;
    --pulse-info:         #3b82f6;

    /* ── App Background & Surface ── */
    --pulse-bg:           #f0f7f8;
    --pulse-surface:      #ffffff;
    --pulse-surface-alt:  #f8fbfc;
    --pulse-border:       #dde8ea;

    /* ── Text Colors ── */
    --pulse-text-dark:    #0f2027;
    --pulse-text-mid:     #3d5a60;
    --pulse-text-light:   #7a9da3;

    /* ── Neutrals (mapped to teal-aware palette) ── */
    --pulse-gray-50:      #f8fbfc;
    --pulse-gray-100:     #f0f7f8;
    --pulse-gray-200:     #dde8ea;
    --pulse-gray-300:     #b0c4c8;
    --pulse-gray-400:     #7a9da3;
    --pulse-gray-500:     #5a7f86;
    --pulse-gray-600:     #3d5a60;
    --pulse-gray-700:     #264248;
    --pulse-gray-800:     #162c30;
    --pulse-gray-900:     #0f2027;

    /* ── Typography ── */
    --pulse-font-family:  'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --pulse-font-mono:    'DM Mono', 'Courier New', monospace;

    /* ── Spacing ── */
    --pulse-spacing-xs:   0.25rem;
    --pulse-spacing-sm:   0.5rem;
    --pulse-spacing-md:   1rem;
    --pulse-spacing-lg:   1.5rem;
    --pulse-spacing-xl:   2rem;
    --pulse-spacing-2xl:  3rem;

    /* ── Border Radius ── */
    --pulse-radius-sm:    6px;
    --pulse-radius-md:    9px;
    --pulse-radius-lg:    14px;
    --pulse-radius-xl:    20px;
    --pulse-radius-full:  9999px;

    /* ── Shadows ── */
    --pulse-shadow-sm:   0 1px 4px rgba(13, 107, 114, 0.06);
    --pulse-shadow-md:   0 4px 16px rgba(13, 107, 114, 0.10);
    --pulse-shadow-lg:   0 8px 28px rgba(13, 107, 114, 0.13);
    --pulse-shadow-xl:   0 20px 48px rgba(13, 107, 114, 0.16);
    --pulse-shadow-gradient: 0 4px 18px rgba(13, 107, 114, 0.35);

    /* ── Transitions ── */
    --pulse-transition:  all 0.2s ease;
}

/* ------------------------------------------
   2. SVG ICON UTILITIES
   ------------------------------------------ */
@import url('/css/pulse-icons.css');

/* ------------------------------------------
   3. BOOTSTRAP COLOR OVERRIDES
   ------------------------------------------ */

.btn-primary,
.badge-primary {
    --bs-primary-rgb: 14, 158, 154;
}

.bg-primary {
    --bs-primary-rgb: 14, 158, 154;
    background: var(--pulse-gradient) !important;
}

.btn-success,
.badge-success {
    --bs-success-rgb: 16, 185, 129;
}

.bg-success {
    --bs-success-rgb: 16, 185, 129;
    background-color: rgba(var(--bs-success-rgb), var(--bs-bg-opacity, 1));
}

.btn-warning,
.badge-warning {
    --bs-warning-rgb: 245, 158, 11;
}

.bg-warning {
    --bs-warning-rgb: 245, 158, 11;
    background-color: rgba(var(--bs-warning-rgb), var(--bs-bg-opacity, 1));
}

.btn-danger,
.badge-danger {
    --bs-danger-rgb: 239, 68, 68;
}

.bg-danger {
    --bs-danger-rgb: 239, 68, 68;
    background-color: rgba(var(--bs-danger-rgb), var(--bs-bg-opacity, 1));
}

.btn-info,
.badge-info {
    --bs-info-rgb: 59, 130, 246;
}

.bg-info {
    --bs-info-rgb: 59, 130, 246;
    background-color: rgba(var(--bs-info-rgb), var(--bs-bg-opacity, 1));
}

/* Subtle background variants */
.bg-primary-subtle {
    background-color: rgba(14, 158, 154, 0.10);
    color: var(--pulse-teal-dark);
    border: 1px solid rgba(14, 158, 154, 0.22);
}

.bg-success-subtle {
    background-color: rgba(16, 185, 129, 0.10);
    color: #065f46;
    border: 1px solid rgba(16, 185, 129, 0.20);
}

.bg-warning-subtle {
    background-color: rgba(245, 158, 11, 0.10);
    color: #92400e;
    border: 1px solid rgba(245, 158, 11, 0.20);
}

.bg-danger-subtle {
    background-color: rgba(239, 68, 68, 0.10);
    color: #991b1b;
    border: 1px solid rgba(239, 68, 68, 0.20);
}

.bg-info-subtle {
    background-color: rgba(59, 130, 246, 0.10);
    color: #1e40af;
    border: 1px solid rgba(59, 130, 246, 0.20);
}

/* Text utilities */
.text-primary { color: var(--pulse-teal-dark) !important; }
.text-success  { color: var(--pulse-success)   !important; }
.text-warning  { color: var(--pulse-warning)   !important; }
.text-danger   { color: var(--pulse-danger)    !important; }
.text-info     { color: var(--pulse-info)      !important; }
.text-muted    { color: var(--pulse-text-light) !important; }

/* Background opacity utilities */
.bg-opacity-10  { --bs-bg-opacity: 0.10; }
.bg-opacity-25  { --bs-bg-opacity: 0.25; }
.bg-opacity-50  { --bs-bg-opacity: 0.50; }
.bg-opacity-75  { --bs-bg-opacity: 0.75; }

/* ------------------------------------------
   4. GLOBAL BASE
   ------------------------------------------ */

body {
    font-family: var(--pulse-font-family);
    color: var(--pulse-text-dark);
    background-color: var(--pulse-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    line-height: 1.6;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--pulse-font-family);
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--pulse-text-dark);
}

code, pre, .font-mono {
    font-family: var(--pulse-font-mono);
}

/* ------------------------------------------
   5. BUTTON SYSTEM
   ------------------------------------------ */

.btn {
    font-family: var(--pulse-font-family);
    font-weight: 700;
    border-radius: var(--pulse-radius-md);
    padding: 0.625rem 1.25rem;
    font-size: 0.875rem;
    transition: var(--pulse-transition);
    border: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    line-height: 1.5;
    letter-spacing: -0.01em;
}

.btn-sm {
    padding: 0.375rem 0.875rem;
    font-size: 0.8125rem;
    border-radius: var(--pulse-radius-sm);
}

.btn-lg {
    padding: 0.875rem 1.75rem;
    font-size: 1rem;
    border-radius: var(--pulse-radius-lg);
}

/* ── Primary / Gradient ── */
.btn-gradient,
.btn-primary {
    background: var(--pulse-gradient);
    color: white;
    border: none;
    box-shadow: 0 3px 14px rgba(13, 107, 114, 0.30);
}

.btn-gradient:hover,
.btn-primary:hover {
    filter: brightness(1.08);
    transform: translateY(-2px);
    box-shadow: var(--pulse-shadow-gradient);
    color: white;
}

.btn-gradient:active,
.btn-primary:active {
    transform: translateY(0);
    filter: brightness(0.96);
}

.btn-gradient:focus,
.btn-primary:focus {
    box-shadow: 0 0 0 3px rgba(14, 158, 154, 0.25);
    color: white;
}

/* ── Outline Gradient ── */
.btn-outline-gradient {
    background: white;
    border: 1.5px solid rgba(14, 158, 154, 0.35);
    color: var(--pulse-teal-dark);
}

.btn-outline-gradient:hover {
    background: rgba(14, 158, 154, 0.06);
    border-color: var(--pulse-teal-mid);
    color: var(--pulse-teal-dark);
    transform: translateY(-1px);
}

/* ── Outline Primary ── */
.btn-outline-primary {
    background: transparent;
    border: 1.5px solid rgba(14, 158, 154, 0.35);
    color: var(--pulse-teal-dark);
}

.btn-outline-primary:hover,
.btn-outline-primary:focus {
    background: rgba(14, 158, 154, 0.07);
    border-color: var(--pulse-teal-mid);
    color: var(--pulse-teal-dark);
    transform: translateY(-1px);
}

/* ── Secondary ── */
.btn-secondary {
    background: var(--pulse-surface);
    color: var(--pulse-text-mid);
    border: 1.5px solid var(--pulse-border);
}

.btn-secondary:hover,
.btn-secondary:focus {
    background: var(--pulse-gray-100);
    border-color: var(--pulse-gray-300);
    color: var(--pulse-text-dark);
    transform: translateY(-1px);
}

/* ── Outline Secondary ── */
.btn-outline-secondary {
    background: transparent;
    border: 1.5px solid var(--pulse-border);
    color: var(--pulse-text-mid);
}

.btn-outline-secondary:hover,
.btn-outline-secondary:focus {
    background: var(--pulse-gray-100);
    border-color: var(--pulse-gray-300);
    color: var(--pulse-text-dark);
    transform: translateY(-1px);
}

/* ── Ghost ── */
.btn-ghost {
    background: transparent;
    color: var(--pulse-text-mid);
    border: none;
}

.btn-ghost:hover {
    background: rgba(14, 158, 154, 0.07);
    color: var(--pulse-teal-dark);
}

/* ── Success ── */
.btn-success {
    background: linear-gradient(135deg, #10b981, #059669);
    color: white;
    box-shadow: 0 3px 12px rgba(16, 185, 129, 0.30);
}

.btn-success:hover {
    filter: brightness(1.08);
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(16, 185, 129, 0.38);
    color: white;
}

.btn-success:focus {
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.25);
    color: white;
}

/* ── Warning ── */
.btn-warning {
    background: linear-gradient(135deg, #f59e0b, #d97706);
    color: white;
    box-shadow: 0 3px 12px rgba(245, 158, 11, 0.30);
}

.btn-warning:hover {
    filter: brightness(1.08);
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(245, 158, 11, 0.38);
    color: white;
}

.btn-warning:focus {
    box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.25);
    color: white;
}

/* ── Danger ── */
.btn-danger {
    background: linear-gradient(135deg, #ef4444, #dc2626);
    color: white;
    box-shadow: 0 3px 12px rgba(239, 68, 68, 0.30);
}

.btn-danger:hover {
    filter: brightness(1.08);
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(239, 68, 68, 0.38);
    color: white;
}

.btn-danger:focus {
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.25);
    color: white;
}

/* ── Outline variants ── */
.btn-outline-success {
    background: transparent;
    border: 1.5px solid rgba(16, 185, 129, 0.40);
    color: #065f46;
}
.btn-outline-success:hover,
.btn-outline-success:focus {
    background: rgba(16, 185, 129, 0.08);
    border-color: #10b981;
    color: #065f46;
    transform: translateY(-1px);
}

.btn-outline-warning {
    background: transparent;
    border: 1.5px solid rgba(245, 158, 11, 0.40);
    color: #92400e;
}
.btn-outline-warning:hover,
.btn-outline-warning:focus {
    background: rgba(245, 158, 11, 0.08);
    border-color: #f59e0b;
    color: #92400e;
    transform: translateY(-1px);
}

.btn-outline-danger {
    background: transparent;
    border: 1.5px solid rgba(239, 68, 68, 0.40);
    color: #991b1b;
}
.btn-outline-danger:hover,
.btn-outline-danger:focus {
    background: rgba(239, 68, 68, 0.08);
    border-color: #ef4444;
    color: #991b1b;
    transform: translateY(-1px);
}

.btn-outline-info {
    background: transparent;
    border: 1.5px solid rgba(59, 130, 246, 0.40);
    color: #1e40af;
}
.btn-outline-info:hover,
.btn-outline-info:focus {
    background: rgba(59, 130, 246, 0.08);
    border-color: #3b82f6;
    color: #1e40af;
    transform: translateY(-1px);
}

/* ── Icon Button ── */
.btn-icon {
    width: 40px;
    height: 40px;
    padding: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--pulse-radius-md);
    background: var(--pulse-bg);
    border: 1.5px solid var(--pulse-border);
    color: var(--pulse-text-light);
    transition: var(--pulse-transition);
}

.btn-icon:hover {
    background: var(--pulse-surface);
    border-color: var(--pulse-teal-mid);
    color: var(--pulse-teal-dark);
}

.btn-icon.btn-sm {
    width: 32px;
    height: 32px;
}

.btn-icon.btn-lg {
    width: 48px;
    height: 48px;
}

/* ── Loading state ── */
.btn-loading {
    position: relative;
    pointer-events: none;
    opacity: 0.75;
}

.btn-loading::after {
    content: '';
    position: absolute;
    width: 15px;
    height: 15px;
    top: 50%;
    left: 50%;
    margin: -7.5px 0 0 -7.5px;
    border: 2px solid currentColor;
    border-right-color: transparent;
    border-radius: 50%;
    animation: pulse-spin 0.6s linear infinite;
}

@keyframes pulse-spin {
    to { transform: rotate(360deg); }
}

/* ------------------------------------------
   6. BADGE SYSTEM
   ------------------------------------------ */

.badge {
    font-family: var(--pulse-font-family);
    padding: 0.275rem 0.7rem;
    border-radius: var(--pulse-radius-full);
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
}

.badge-gradient {
    background: var(--pulse-gradient);
    color: white;
}

.badge-subtle {
    background: rgba(14, 158, 154, 0.10);
    color: var(--pulse-teal-dark);
    border: 1px solid rgba(14, 158, 154, 0.22);
}

.badge-gray {
    background: var(--pulse-gray-100);
    color: var(--pulse-text-mid);
    border: 1px solid var(--pulse-border);
}

.badge-success {
    background: rgba(16, 185, 129, 0.10);
    color: #065f46;
    border: 1px solid rgba(16, 185, 129, 0.22);
}

.badge-warning {
    background: rgba(245, 158, 11, 0.12);
    color: #92400e;
    border: 1px solid rgba(245, 158, 11, 0.22);
}

.badge-danger {
    background: rgba(239, 68, 68, 0.10);
    color: #991b1b;
    border: 1px solid rgba(239, 68, 68, 0.22);
}

/* Live pulse badge */
.badge-live {
    background: rgba(16, 185, 129, 0.10);
    color: #065f46;
    border: 1px solid rgba(16, 185, 129, 0.22);
}

.badge-live::before {
    content: '';
    display: inline-block;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #10b981;
    animation: badge-pulse 1.4s ease-in-out infinite;
    flex-shrink: 0;
}

@keyframes badge-pulse {
    0%,100% { opacity: 1; transform: scale(1); }
    50%      { opacity: 0.4; transform: scale(0.7); }
}

/* Code badge (session codes) */
.badge-code {
    font-family: var(--pulse-font-mono);
    font-size: 0.7rem;
    font-weight: 500;
    text-transform: none;
    letter-spacing: 0.04em;
    background: rgba(14, 158, 154, 0.10);
    color: var(--pulse-teal-dark);
    border: 1px solid rgba(14, 158, 154, 0.22);
    border-radius: var(--pulse-radius-sm);
    padding: 0.2rem 0.6rem;
}

/* ------------------------------------------
   7. CARD SYSTEM
   ------------------------------------------ */

.card {
    font-family: var(--pulse-font-family);
    border-radius: var(--pulse-radius-lg);
    border: 1px solid var(--pulse-border);
    background: var(--pulse-surface);
    box-shadow: var(--pulse-shadow-sm);
    transition: var(--pulse-transition);
}

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

.card-gradient {
    background: var(--pulse-gradient);
    color: white;
    border: none;
    box-shadow: var(--pulse-shadow-gradient);
}

.card-gradient .card-title,
.card-gradient .card-text {
    color: white;
}

/* Stat card accent border */
.card-accent-teal   { border-left: 4px solid var(--pulse-teal-mid); }
.card-accent-green  { border-left: 4px solid var(--pulse-success);  }
.card-accent-blue   { border-left: 4px solid var(--pulse-info);     }
.card-accent-warning{ border-left: 4px solid var(--pulse-warning);  }
.card-accent-danger { border-left: 4px solid var(--pulse-danger);   }

/* White card on teal bg (used in session presentation) */
.card-session {
    background: var(--pulse-surface);
    border-radius: 16px;
    border: 1px solid var(--pulse-border);
    box-shadow: 0 4px 24px rgba(13, 107, 114, 0.14);
}

/* ------------------------------------------
   8. FORM CONTROLS
   ------------------------------------------ */

.form-control,
.form-select {
    font-family: var(--pulse-font-family);
    border-radius: var(--pulse-radius-md);
    border: 1.5px solid var(--pulse-border);
    background: var(--pulse-bg);
    color: var(--pulse-text-dark);
    font-size: 0.875rem;
    padding: 0.5rem 0.875rem;
    transition: var(--pulse-transition);
}

.form-control:focus,
.form-select:focus {
    border-color: var(--pulse-teal-mid);
    background: var(--pulse-surface);
    box-shadow: 0 0 0 3px rgba(14, 158, 154, 0.15);
    color: var(--pulse-text-dark);
    outline: none;
}

.form-control::placeholder {
    color: var(--pulse-text-light);
}

.form-label {
    font-size: 0.6875rem;
    font-weight: 700;
    letter-spacing: 0.07em;
    text-transform: uppercase;
    color: var(--pulse-text-light);
    margin-bottom: 0.4rem;
}

/* ------------------------------------------
   9. ALERTS
   ------------------------------------------ */

.alert {
    font-family: var(--pulse-font-family);
    border-radius: var(--pulse-radius-lg);
    border: none;
    padding: 1rem 1.25rem;
    font-size: 0.875rem;
}

/* Review mode banner (amber) */
.alert-review {
    background: #fffbeb;
    border: 1.5px solid #f59e0b;
    color: var(--pulse-text-dark);
    border-radius: var(--pulse-radius-lg);
}

.alert-review .alert-label {
    font-size: 0.6875rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: #b45309;
    display: block;
    margin-bottom: 0.25rem;
}

.alert-gradient {
    background: linear-gradient(135deg, rgba(14, 158, 154, 0.08) 0%, rgba(46, 232, 206, 0.08) 100%);
    color: var(--pulse-teal-dark);
    border-left: 4px solid var(--pulse-teal-mid);
}

.alert-success {
    background: rgba(16, 185, 129, 0.10);
    color: #065f46;
    border-left: 4px solid var(--pulse-success);
}

.alert-warning {
    background: rgba(245, 158, 11, 0.10);
    color: #92400e;
    border-left: 4px solid var(--pulse-warning);
}

.alert-danger {
    background: rgba(239, 68, 68, 0.10);
    color: #991b1b;
    border-left: 4px solid var(--pulse-danger);
}

.alert-info {
    background: rgba(59, 130, 246, 0.10);
    color: #1e40af;
    border-left: 4px solid var(--pulse-info);
}

/* ------------------------------------------
   10. TABLES
   ------------------------------------------ */

.table {
    font-family: var(--pulse-font-family);
    font-size: 0.875rem;
    border-radius: var(--pulse-radius-lg);
    overflow: hidden;
    --bs-table-striped-bg: var(--pulse-gray-50);
    --bs-table-hover-bg: #f5fbfb;
}

.table thead tr {
    background: var(--pulse-surface-alt);
}

.table thead th {
    font-size: 0.6875rem;
    font-weight: 700;
    letter-spacing: 0.07em;
    text-transform: uppercase;
    color: var(--pulse-text-light);
    border-bottom: 1px solid var(--pulse-border);
    padding: 0.7rem 1rem;
}

.table tbody td {
    padding: 1rem;
    color: var(--pulse-text-dark);
    border-bottom: 1px solid #f0f5f6;
    vertical-align: middle;
}

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

.table-hover tbody tr:hover {
    background: #f5fbfb;
    cursor: pointer;
}

/* ------------------------------------------
   11. UTILITIES
   ------------------------------------------ */

/* Gradient backgrounds */
.bg-gradient {
    background: var(--pulse-gradient) !important;
    color: white;
}

.bg-gradient-subtle {
    background: linear-gradient(135deg, rgba(14, 158, 154, 0.05) 0%, rgba(46, 232, 206, 0.05) 100%);
}

/* The teal app page background */
.bg-app {
    background: linear-gradient(135deg, #0d6b72 0%, #0fa99e 45%, #2ee8ce 100%);
}

/* Gradient text */
.text-gradient {
    background: var(--pulse-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Teal text shorthand */
.text-teal       { color: var(--pulse-teal-dark) !important; }
.text-teal-mid   { color: var(--pulse-teal-mid)  !important; }
.text-teal-light { color: var(--pulse-teal-light)!important; }

/* Shadow utilities */
.shadow-sm        { box-shadow: var(--pulse-shadow-sm) !important; }
.shadow           { box-shadow: var(--pulse-shadow-md) !important; }
.shadow-lg        { box-shadow: var(--pulse-shadow-lg) !important; }
.shadow-xl        { box-shadow: var(--pulse-shadow-xl) !important; }
.shadow-gradient  { box-shadow: var(--pulse-shadow-gradient) !important; }

/* Spacing utilities */
.gap-xs { gap: var(--pulse-spacing-xs); }
.gap-sm { gap: var(--pulse-spacing-sm); }
.gap-md { gap: var(--pulse-spacing-md); }
.gap-lg { gap: var(--pulse-spacing-lg); }
.gap-xl { gap: var(--pulse-spacing-xl); }

/* Border radius utilities */
.rounded-pulse-sm { border-radius: var(--pulse-radius-sm) !important; }
.rounded-pulse-md { border-radius: var(--pulse-radius-md) !important; }
.rounded-pulse-lg { border-radius: var(--pulse-radius-lg) !important; }
.rounded-pulse-xl { border-radius: var(--pulse-radius-xl) !important; }

/* ------------------------------------------
   12. NAVIGATION
   ------------------------------------------ */

/* Sticky top navbar */
.pulse-navbar {
    position: sticky;
    top: 0;
    z-index: 1030;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--pulse-border);
    box-shadow: 0 1px 12px rgba(13, 107, 114, 0.06);
    height: 60px;
    display: flex;
    align-items: center;
    padding: 0 2.5rem;
}

/* Logo mark */
.pulse-logo-mark {
    width: 34px;
    height: 34px;
    background: var(--pulse-gradient);
    border-radius: 9px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 8px rgba(14, 158, 154, 0.35);
    flex-shrink: 0;
}

/* Session topbar (dark teal, used in presentation mode) */
.pulse-session-bar {
    background: rgba(10, 80, 85, 0.80);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
    height: 58px;
    display: flex;
    align-items: center;
    padding: 0 1.5rem;
}

.pulse-session-bar .nav-link,
.pulse-session-bar .btn-ghost {
    color: rgba(255, 255, 255, 0.80);
}

.pulse-session-bar .nav-link:hover,
.pulse-session-bar .btn-ghost:hover {
    color: #ffffff;
    background: rgba(255, 255, 255, 0.12);
}

/* Nav pills */
.nav-pills .nav-link {
    font-family: var(--pulse-font-family);
    font-weight: 600;
    font-size: 0.8125rem;
    border-radius: var(--pulse-radius-md);
    color: var(--pulse-text-mid);
    padding: 0.4rem 0.875rem;
    transition: var(--pulse-transition);
}

.nav-pills .nav-link.active {
    background: var(--pulse-gradient);
    color: white;
    box-shadow: 0 2px 8px rgba(13, 107, 114, 0.25);
}

.nav-pills .nav-link:hover:not(.active) {
    background: var(--pulse-gray-100);
    color: var(--pulse-teal-dark);
}

/* Navbar links */
.navbar-light .navbar-brand {
    color: var(--pulse-text-dark);
    font-weight: 800;
    letter-spacing: -0.02em;
}

.navbar-light .navbar-nav .nav-link {
    color: var(--pulse-text-mid);
    font-weight: 600;
    font-size: 0.875rem;
}

.navbar-light .navbar-nav .nav-link:hover {
    color: var(--pulse-teal-dark);
}

/* ------------------------------------------
   13. PAGINATION
   ------------------------------------------ */

.pagination .page-link {
    font-family: var(--pulse-font-family);
    font-weight: 600;
    font-size: 0.8125rem;
    border-radius: var(--pulse-radius-md);
    margin: 0 0.2rem;
    border: 1.5px solid var(--pulse-border);
    color: var(--pulse-text-mid);
    background: var(--pulse-surface);
    transition: var(--pulse-transition);
}

.pagination .page-link:hover {
    background: var(--pulse-gray-100);
    border-color: var(--pulse-teal-mid);
    color: var(--pulse-teal-dark);
}

.pagination .page-item.active .page-link {
    background: var(--pulse-gradient);
    border-color: transparent;
    color: white;
    box-shadow: 0 2px 8px rgba(13, 107, 114, 0.25);
}

/* ------------------------------------------
   14. PROGRESS BARS
   ------------------------------------------ */

.progress {
    height: 6px;
    border-radius: var(--pulse-radius-full);
    background: var(--pulse-gray-200);
    overflow: hidden;
}

.progress-bar {
    background: var(--pulse-gradient-h);
    border-radius: var(--pulse-radius-full);
    transition: width 0.4s ease;
}

/* Session activity progress (used in bottom bar) */
.progress-session {
    height: 4px;
    width: 160px;
    background: rgba(255, 255, 255, 0.20);
    border-radius: var(--pulse-radius-full);
    overflow: hidden;
}

.progress-session .progress-bar {
    background: linear-gradient(90deg, #7fffed, #22c55e);
}

/* ------------------------------------------
   15. MODAL OVERRIDES
   ------------------------------------------ */

.modal-content {
    font-family: var(--pulse-font-family);
    border-radius: var(--pulse-radius-xl);
    border: 1px solid var(--pulse-border);
    box-shadow: var(--pulse-shadow-xl);
}

.modal-header {
    border-bottom: 1px solid var(--pulse-border);
    padding: 1.25rem 1.5rem;
}

.modal-header .modal-title {
    font-weight: 800;
    font-size: 1.125rem;
    letter-spacing: -0.02em;
    color: var(--pulse-text-dark);
}

.modal-footer {
    border-top: 1px solid var(--pulse-border);
    padding: 1.25rem 1.5rem;
}

/* ------------------------------------------
   16. DROPDOWN OVERRIDES
   ------------------------------------------ */

.dropdown-menu {
    font-family: var(--pulse-font-family);
    border-radius: var(--pulse-radius-lg);
    border: 1px solid var(--pulse-border);
    box-shadow: var(--pulse-shadow-lg);
    padding: 0.375rem;
    background: var(--pulse-surface);
    min-width: 180px;
}

.dropdown-item {
    border-radius: var(--pulse-radius-md);
    padding: 0.5rem 0.875rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--pulse-text-mid);
    transition: var(--pulse-transition);
}

.dropdown-item:hover {
    background: rgba(14, 158, 154, 0.07);
    color: var(--pulse-teal-dark);
}

.dropdown-item.active,
.dropdown-item:active {
    background: var(--pulse-gradient);
    color: white;
}

.dropdown-divider {
    border-color: var(--pulse-border);
    margin: 0.25rem 0;
}

/* ------------------------------------------
   17. TOAST NOTIFICATIONS
   ------------------------------------------ */

.toast {
    font-family: var(--pulse-font-family);
    border-radius: var(--pulse-radius-lg);
    border: 1px solid var(--pulse-border);
    box-shadow: var(--pulse-shadow-lg);
    background: var(--pulse-surface);
}

.toast-header {
    background: var(--pulse-surface-alt);
    border-bottom: 1px solid var(--pulse-border);
    font-weight: 700;
    color: var(--pulse-text-dark);
}

/* ------------------------------------------
   18. ACCORDION OVERRIDES
   ------------------------------------------ */

.accordion-item {
    border: 1.5px solid var(--pulse-border);
    border-radius: var(--pulse-radius-lg) !important;
    margin-bottom: 0.5rem;
    overflow: hidden;
    background: var(--pulse-surface);
}

.accordion-button {
    font-family: var(--pulse-font-family);
    font-weight: 700;
    font-size: 0.9375rem;
    color: var(--pulse-text-dark);
    background: var(--pulse-surface);
    border-radius: var(--pulse-radius-lg) !important;
}

.accordion-button:not(.collapsed) {
    background: var(--pulse-gradient);
    color: white;
    box-shadow: none;
}

.accordion-button:focus {
    box-shadow: 0 0 0 3px rgba(14, 158, 154, 0.15);
    border-color: var(--pulse-teal-mid);
}

/* ------------------------------------------
   19. SPINNER / LOADING STATES
   ------------------------------------------ */

.spinner-border {
    border-color: var(--pulse-teal-light);
    border-right-color: transparent;
}

.spinner-border-sm {
    width: 1rem;
    height: 1rem;
    border-width: 0.15rem;
}

/* ------------------------------------------
   20. BREADCRUMB OVERRIDES
   ------------------------------------------ */

.breadcrumb {
    font-size: 0.8125rem;
    font-weight: 500;
}

.breadcrumb-item a {
    color: var(--pulse-teal-mid);
    text-decoration: none;
}

.breadcrumb-item a:hover {
    color: var(--pulse-teal-dark);
}

.breadcrumb-item.active {
    color: var(--pulse-text-mid);
}

.breadcrumb-item + .breadcrumb-item::before {
    color: var(--pulse-gray-300);
}

/* ------------------------------------------
   21. LIST GROUP OVERRIDES
   ------------------------------------------ */

.list-group-item {
    font-family: var(--pulse-font-family);
    border-color: var(--pulse-border);
    color: var(--pulse-text-dark);
    font-size: 0.875rem;
    transition: var(--pulse-transition);
}

.list-group-item:hover {
    background: rgba(14, 158, 154, 0.04);
}

.list-group-item.active {
    background: var(--pulse-gradient);
    border-color: transparent;
}

/* ------------------------------------------
   22. PULSE-SPECIFIC COMPONENTS
   ------------------------------------------ */

/* ── Session bottom bar ── */
.pulse-bottom-bar {
    background: rgba(10, 80, 85, 0.80);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    height: 58px;
    display: flex;
    align-items: center;
    padding: 0 1.5rem;
}

/* ── Activity badge (ITEM SCORING, WORD CLOUD, etc.) ── */
.activity-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    font-size: 0.6875rem;
    font-weight: 700;
    letter-spacing: 0.07em;
    text-transform: uppercase;
    padding: 0.25rem 0.625rem;
    border-radius: var(--pulse-radius-sm);
}

.activity-badge-teal {
    color: var(--pulse-teal-dark);
    background: rgba(14, 158, 154, 0.10);
    border: 1px solid rgba(14, 158, 154, 0.22);
}

.activity-badge-purple {
    color: #6d28d9;
    background: rgba(109, 40, 217, 0.10);
    border: 1px solid rgba(109, 40, 217, 0.22);
}

.activity-badge-red {
    color: #b91c1c;
    background: rgba(185, 28, 28, 0.10);
    border: 1px solid rgba(185, 28, 28, 0.22);
}

.activity-badge-blue {
    color: #1d4ed8;
    background: rgba(29, 78, 216, 0.10);
    border: 1px solid rgba(29, 78, 216, 0.22);
}

/* ── Poll option row ── */
.poll-option {
 display: flex;
    align-items: center;
    background: var(--pulse-surface-alt);
 border: 1.5px solid var(--pulse-border);
    border-radius: var(--pulse-radius-lg);
    padding: 1rem 1.25rem;
    position: relative;
    overflow: hidden;
    transition: border-color 0.18s;
    cursor: pointer;
}

.poll-option:hover {
    border-color: var(--pulse-gray-300);
}

.poll-option-fill {
  position: absolute;
    left: 0; top: 0; bottom: 0;
    background: rgba(14, 158, 154, 0.07);
    border-radius: var(--pulse-radius-lg) 0 0 var(--pulse-radius-lg);
    pointer-events: none;
    transition: width 0.5s ease;
}

.poll-option-pct {
    font-family: var(--pulse-font-mono);
    font-size: 1rem;
    font-weight: 700;
    color: var(--pulse-teal-mid);
}

/* ── Poll input positioning (participant view) ── */
.poll-input-position {
    top: 1.25rem;
    left: 1rem;
}

.poll-option-interactive {
  cursor: pointer;
}

.poll-option-interactive.cursor-not-allowed {
    cursor: not-allowed;
    opacity: 0.7;
}

/* ── Poll check icon (shown when selected) ── */
.poll-check-icon {
    top: 50%;
right: 1.25rem;
    transform: translateY(-50%);
    font-size: 1.5rem;
    pointer-events: none;
}

.poll-option-selected {
    border-width: 2px;
}