/*
 * content-presentation.css
 * Core typography & color system for programs/universities presentation.
 * Adapts to both light and dark mode via CSS custom properties.
 * Uses Inter as the preferred reading font with a system-ui fallback stack.
 */

/* ─── Google Fonts: Inter ─────────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

/* ─── CSS Custom Properties ──────────────────────────────────────── */
:root {
    --cp-font-sans:       'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI',
                          system-ui, 'Helvetica Neue', Arial, sans-serif;

    /* Surface & Background */
    --cp-bg:              #f8fafc;
    --cp-surface:         #ffffff;
    --cp-surface-alt:     #f1f5f9;
    --cp-border:          #e2e8f0;
    --cp-border-soft:     rgba(0,0,0,.06);

    /* Text */
    --cp-text-primary:    #0f172a;
    --cp-text-body:       #1e293b;
    --cp-text-muted:      #64748b;
    --cp-text-soft:       #94a3b8;

    /* Accent */
    --cp-accent:          #1d4ed8;
    --cp-accent-hover:    #1e40af;
    --cp-accent-subtle:   #dbeafe;
    --cp-accent-text:     #1e40af;

    /* Semantic */
    --cp-success:         #059669;
    --cp-success-subtle:  #d1fae5;
    --cp-success-text:    #065f46;
    --cp-warning:         #d97706;
    --cp-warning-subtle:  #fef3c7;
    --cp-warning-text:    #92400e;
    --cp-purple:          #7c3aed;
    --cp-purple-subtle:   #ede9fe;
    --cp-purple-text:     #4c1d95;
    --cp-rose:            #e11d48;
    --cp-rose-subtle:     #ffe4e6;
    --cp-rose-text:       #9f1239;

    /* Chip / badge defaults */
    --cp-chip-bg:         #f1f5f9;
    --cp-chip-text:       #475569;
    --cp-chip-border:     #e2e8f0;

    /* Card */
    --cp-card-bg:         #ffffff;
    --cp-card-shadow:     0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);
    --cp-card-shadow-hover: 0 10px 25px rgba(0,0,0,.12), 0 4px 10px rgba(0,0,0,.08);
    --cp-card-radius:     14px;
    --cp-card-radius-sm:  10px;

    /* Hero gradient */
    --cp-hero-programs:   linear-gradient(135deg, #0d47a1 0%, #1565c0 55%, #1976d2 100%);
    --cp-hero-universities: linear-gradient(135deg, #312e81 0%, #4338ca 55%, #6366f1 100%);
}

[data-bs-theme="dark"] {
    --cp-bg:              #0c111d;
    --cp-surface:         #131929;
    --cp-surface-alt:     #1e2a3e;
    --cp-border:          #243044;
    --cp-border-soft:     rgba(255,255,255,.06);

    --cp-text-primary:    #f8fafc;
    --cp-text-body:       #e2e8f0;
    --cp-text-muted:      #94a3b8;
    --cp-text-soft:       #64748b;

    --cp-accent:          #60a5fa;
    --cp-accent-hover:    #93c5fd;
    --cp-accent-subtle:   #1e3a5f;
    --cp-accent-text:     #93c5fd;

    --cp-success:         #34d399;
    --cp-success-subtle:  #064e3b;
    --cp-success-text:    #6ee7b7;
    --cp-warning:         #fbbf24;
    --cp-warning-subtle:  #451a03;
    --cp-warning-text:    #fde68a;
    --cp-purple:          #a78bfa;
    --cp-purple-subtle:   #2e1065;
    --cp-purple-text:     #c4b5fd;
    --cp-rose:            #fb7185;
    --cp-rose-subtle:     #4c0519;
    --cp-rose-text:       #fda4af;

    --cp-chip-bg:         #1e2a3e;
    --cp-chip-text:       #94a3b8;
    --cp-chip-border:     #2d3f57;

    --cp-card-bg:         #131929;
    --cp-card-shadow:     0 1px 4px rgba(0,0,0,.3), 0 1px 3px rgba(0,0,0,.25);
    --cp-card-shadow-hover: 0 12px 30px rgba(0,0,0,.5), 0 4px 12px rgba(0,0,0,.3);
}

/* ─── Base Typography ─────────────────────────────────────────────── */
.cp-page {
    font-family: var(--cp-font-sans);
    font-size: 1rem;
    line-height: 1.625;
    color: var(--cp-text-body);
    background: var(--cp-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

/* ─── Hero Section ────────────────────────────────────────────────── */
.cp-hero {
    color: #fff;
    padding: 3rem 0 2.25rem;
    position: relative;
    overflow: hidden;
}
.cp-hero--programs   { background: var(--cp-hero-programs); }
.cp-hero--universities { background: var(--cp-hero-universities); }

.cp-hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    pointer-events: none;
}

.cp-hero__title {
    font-family: var(--cp-font-sans);
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 800;
    letter-spacing: -0.025em;
    line-height: 1.2;
    margin-bottom: .5rem;
}
.cp-hero__subtitle {
    font-size: 1.05rem;
    opacity: .88;
    font-weight: 400;
    line-height: 1.5;
}
.cp-hero__stat {
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    background: rgba(255,255,255,.15);
    backdrop-filter: blur(6px);
    border: 1px solid rgba(255,255,255,.2);
    border-radius: 20px;
    padding: .35em .85em;
    font-size: .875rem;
    font-weight: 600;
    color: #fff;
}

/* ─── Filter Bar ──────────────────────────────────────────────────── */
.cp-filter-bar {
    background: rgba(255,255,255,.12);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,.18);
    border-radius: 12px;
    padding: 1rem 1.25rem;
    margin-top: 1.75rem;
    position: relative;
    z-index: 1;
}
.cp-filter-bar .form-control,
.cp-filter-bar .form-select {
    background: rgba(255,255,255,.95) !important;
    color: #1e293b !important;
    border: 1.5px solid rgba(255,255,255,.4) !important;
    border-radius: 8px !important;
    font-size: .9rem !important;
    font-family: var(--cp-font-sans) !important;
}
.cp-filter-bar .form-control::placeholder {
    color: #64748b !important;
}

/* ─── Program / University Cards ──────────────────────────────────── */
.cp-card {
    background: var(--cp-card-bg);
    border: 1px solid var(--cp-border);
    border-radius: var(--cp-card-radius);
    box-shadow: var(--cp-card-shadow);
    transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    display: flex;
    flex-direction: column;
    height: 100%;
    overflow: hidden;
    font-family: var(--cp-font-sans);
}
.cp-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--cp-card-shadow-hover);
    border-color: var(--cp-accent-subtle);
}

/* Card Header — logo + badges row */
.cp-card__head {
    padding: 1rem 1.25rem .8rem;
    display: flex;
    align-items: flex-start;
    gap: .875rem;
    border-bottom: 1px solid var(--cp-border-soft);
}
.cp-card__logo {
    width: 52px;
    height: 52px;
    object-fit: contain;
    border-radius: 10px;
    background: var(--cp-surface-alt);
    border: 1px solid var(--cp-border);
    padding: 5px;
    flex-shrink: 0;
}
.cp-card__badges {
    display: flex;
    flex-wrap: wrap;
    gap: .3rem;
    flex: 1;
}

/* Card Body */
.cp-card__body {
    padding: 1rem 1.25rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}
.cp-card__name {
    font-size: 1rem;
    font-weight: 700;
    line-height: 1.35;
    letter-spacing: -0.01em;
    color: var(--cp-text-primary);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: .3rem;
}
.cp-card__sub {
    font-size: .8125rem;
    color: var(--cp-text-muted);
    display: flex;
    align-items: center;
    gap: .35rem;
    margin-bottom: .65rem;
    flex-wrap: wrap;
}
.cp-card__desc {
    font-size: .8125rem;
    color: var(--cp-text-muted);
    line-height: 1.55;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: .75rem;
    flex-shrink: 0;
}
.cp-card__chips {
    display: flex;
    flex-wrap: wrap;
    gap: .35rem;
    margin-bottom: .7rem;
}
.cp-card__price {
    font-size: .875rem;
    font-weight: 600;
    color: var(--cp-success);
    display: flex;
    align-items: center;
    gap: .3rem;
    margin-top: auto;
    padding-top: .5rem;
}
.cp-card__price--na {
    color: var(--cp-text-soft);
    font-weight: 400;
}

/* University-specific stat row */
.cp-card__stats {
    display: flex;
    gap: 0;
    border-top: 1px solid var(--cp-border-soft);
    border-bottom: 1px solid var(--cp-border-soft);
    margin: .5rem 0;
}
.cp-card__stat {
    flex: 1;
    text-align: center;
    padding: .6rem .25rem;
    font-size: .75rem;
}
.cp-card__stat + .cp-card__stat {
    border-left: 1px solid var(--cp-border-soft);
}
.cp-card__stat-value {
    display: block;
    font-weight: 700;
    font-size: .9rem;
    color: var(--cp-text-primary);
    line-height: 1.2;
}
.cp-card__stat-label {
    color: var(--cp-text-soft);
    font-size: .7rem;
    text-transform: uppercase;
    letter-spacing: .04em;
    margin-top: .1rem;
}

/* Card Footer — action buttons */
.cp-card__foot {
    padding: .75rem 1.25rem 1rem;
    border-top: 1px solid var(--cp-border-soft);
    display: flex;
    gap: .5rem;
    margin-top: auto;
}

/* ─── Degree / Type Badges ────────────────────────────────────────── */
.cp-badge {
    display: inline-flex;
    align-items: center;
    font-size: .7rem;
    font-weight: 700;
    letter-spacing: .04em;
    text-transform: uppercase;
    padding: .22em .65em;
    border-radius: 20px;
    line-height: 1.3;
    white-space: nowrap;
}
.cp-badge--bachelor  { background: var(--cp-success-subtle);  color: var(--cp-success-text); }
.cp-badge--master    { background: var(--cp-accent-subtle);   color: var(--cp-accent-text); }
.cp-badge--phd       { background: var(--cp-purple-subtle);   color: var(--cp-purple-text); }
.cp-badge--cert      { background: var(--cp-warning-subtle);  color: var(--cp-warning-text); }
.cp-badge--neutral   { background: var(--cp-chip-bg);         color: var(--cp-chip-text); }
.cp-badge--rank      { background: var(--cp-warning-subtle);  color: var(--cp-warning-text); }

/* ─── Meta Chips ──────────────────────────────────────────────────── */
.cp-chip {
    display: inline-flex;
    align-items: center;
    gap: .3em;
    font-size: .74rem;
    font-family: var(--cp-font-sans);
    font-weight: 500;
    background: var(--cp-chip-bg);
    border: 1px solid var(--cp-chip-border);
    color: var(--cp-chip-text);
    border-radius: 6px;
    padding: .2em .55em;
    white-space: nowrap;
}
.cp-chip i { opacity: .65; font-size: .7rem; }

/* ─── Buttons ─────────────────────────────────────────────────────── */
.cp-btn-primary {
    display: inline-flex;
    align-items: center;
    gap: .35em;
    background: var(--cp-accent);
    color: #fff;
    border: none;
    border-radius: 8px;
    padding: .4rem .85rem;
    font-size: .8125rem;
    font-weight: 600;
    font-family: var(--cp-font-sans);
    text-decoration: none;
    cursor: pointer;
    transition: background .15s ease, transform .1s ease;
    white-space: nowrap;
}
.cp-btn-primary:hover {
    background: var(--cp-accent-hover);
    color: #fff;
    transform: translateY(-1px);
}
.cp-btn-outline {
    display: inline-flex;
    align-items: center;
    gap: .35em;
    background: transparent;
    color: var(--cp-accent);
    border: 1.5px solid var(--cp-accent);
    border-radius: 8px;
    padding: .35rem .8rem;
    font-size: .8125rem;
    font-weight: 600;
    font-family: var(--cp-font-sans);
    text-decoration: none;
    cursor: pointer;
    transition: background .15s ease, color .15s ease;
    white-space: nowrap;
}
.cp-btn-outline:hover {
    background: var(--cp-accent-subtle);
    color: var(--cp-accent-text);
}

/* ─── Rich Text Content (from DB) ────────────────────────────────── */
/*
 * Apply .cp-richtext to any container rendering HTML content from the database.
 * Provides consistent typography for p, ul, ol, headings, tables etc.
 */
.cp-richtext {
    font-family: var(--cp-font-sans);
    font-size: .9375rem;
    line-height: 1.7;
    color: var(--cp-text-body);
    word-break: break-word;
    overflow-wrap: break-word;
}
.cp-richtext p {
    margin-bottom: 1em;
    color: var(--cp-text-body);
}
.cp-richtext h1, .cp-richtext h2, .cp-richtext h3,
.cp-richtext h4, .cp-richtext h5, .cp-richtext h6 {
    font-family: var(--cp-font-sans);
    font-weight: 700;
    letter-spacing: -0.015em;
    color: var(--cp-text-primary);
    margin-top: 1.5em;
    margin-bottom: .5em;
    line-height: 1.3;
}
.cp-richtext h2 { font-size: 1.3rem; }
.cp-richtext h3 { font-size: 1.15rem; }
.cp-richtext h4 { font-size: 1rem; }
.cp-richtext ul, .cp-richtext ol {
    padding-left: 1.5em;
    margin-bottom: 1em;
}
.cp-richtext li {
    margin-bottom: .35em;
    color: var(--cp-text-body);
}
.cp-richtext strong, .cp-richtext b {
    font-weight: 700;
    color: var(--cp-text-primary);
}
.cp-richtext a {
    color: var(--cp-accent);
    text-decoration: underline;
    text-decoration-color: var(--cp-accent-subtle);
    text-underline-offset: 2px;
}
.cp-richtext a:hover {
    color: var(--cp-accent-hover);
}
.cp-richtext blockquote {
    border-left: 3px solid var(--cp-accent);
    padding-left: 1em;
    margin-left: 0;
    color: var(--cp-text-muted);
    font-style: italic;
}
.cp-richtext table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 1em;
    font-size: .875rem;
}
.cp-richtext th, .cp-richtext td {
    border: 1px solid var(--cp-border);
    padding: .5em .75em;
    text-align: left;
    color: var(--cp-text-body);
}
.cp-richtext th {
    background: var(--cp-surface-alt);
    font-weight: 600;
    color: var(--cp-text-primary);
}
.cp-richtext tr:nth-child(even) td {
    background: var(--cp-surface-alt);
}
.cp-richtext img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
}

/* ─── Section Heading (detail pages) ─────────────────────────────── */
.cp-section-heading {
    font-family: var(--cp-font-sans);
    font-size: 1.05rem;
    font-weight: 700;
    letter-spacing: -0.01em;
    color: var(--cp-text-primary);
    padding-bottom: .5rem;
    border-bottom: 2px solid var(--cp-accent);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: .5rem;
}

/* ─── Empty State ─────────────────────────────────────────────────── */
.cp-empty {
    text-align: center;
    padding: 4rem 1rem;
    color: var(--cp-text-muted);
}
.cp-empty__icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: .4;
}
.cp-empty__title {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--cp-text-primary);
    margin-bottom: .5rem;
}
.cp-empty__text {
    font-size: .9rem;
    color: var(--cp-text-muted);
    margin-bottom: 1.5rem;
}

/* ─── Pagination ──────────────────────────────────────────────────── */
.cp-pagination {
    display: flex;
    justify-content: center;
    gap: .35rem;
    flex-wrap: wrap;
    padding: 1.5rem 0;
    font-family: var(--cp-font-sans);
}
.cp-pagination a, .cp-pagination span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 2.25rem;
    height: 2.25rem;
    padding: 0 .6rem;
    border: 1.5px solid var(--cp-border);
    border-radius: 8px;
    font-size: .8125rem;
    font-weight: 600;
    color: var(--cp-text-muted);
    text-decoration: none;
    background: var(--cp-surface);
    transition: all .15s ease;
}
.cp-pagination a:hover {
    border-color: var(--cp-accent);
    color: var(--cp-accent);
    background: var(--cp-accent-subtle);
}
.cp-pagination .active {
    background: var(--cp-accent);
    border-color: var(--cp-accent);
    color: #fff;
}

/* ─── Filter Panel (sidebar / bar) ───────────────────────────────── */
.cp-filter-panel {
    background: var(--cp-surface);
    border: 1px solid var(--cp-border);
    border-radius: var(--cp-card-radius-sm);
    padding: 1rem 1.25rem;
    font-family: var(--cp-font-sans);
}
.cp-filter-panel label {
    font-size: .8125rem;
    font-weight: 600;
    color: var(--cp-text-muted);
    text-transform: uppercase;
    letter-spacing: .06em;
    margin-bottom: .35rem;
    display: block;
}
.cp-filter-panel .form-control,
.cp-filter-panel .form-select {
    font-family: var(--cp-font-sans) !important;
    font-size: .875rem !important;
    background: var(--cp-surface-alt) !important;
    color: var(--cp-text-body) !important;
    border: 1.5px solid var(--cp-border) !important;
    border-radius: 8px !important;
}
.cp-filter-panel .form-control:focus,
.cp-filter-panel .form-select:focus {
    border-color: var(--cp-accent) !important;
    box-shadow: 0 0 0 3px var(--cp-accent-subtle) !important;
}

/* ─── University Logo Wrapper ────────────────────────────────────── */
.cp-uni-logo {
    width: 56px;
    height: 56px;
    object-fit: contain;
    border-radius: 10px;
    background: var(--cp-surface-alt);
    border: 1px solid var(--cp-border);
    padding: 5px;
    flex-shrink: 0;
}

/* ─── Responsive Tweaks ──────────────────────────────────────────── */
@media (max-width: 576px) {
    .cp-hero { padding: 2rem 0 1.75rem; }
    .cp-hero__title { font-size: 1.6rem; }
    .cp-card__head { gap: .65rem; }
    .cp-card__logo, .cp-uni-logo { width: 44px; height: 44px; }
}