/* =============================================
   COURSE TEMPLATE - Style Caplogy (slide-based)
   Fidele au template officiel Caplogy (compositeur)
   ============================================= */

/* --- Variables Caplogy --- */
:root {
    --caplogy-bg: #FFFFFF;
    --caplogy-cyan: #6CCEC7;
    --caplogy-dark: #5B5B79;
    --caplogy-muted: #8D8D9D;
    --caplogy-white: #FFFFFF;
    --caplogy-black: #000000;
    --caplogy-light-border: #A9A9BE;
    --slide-width: 960px;
    --slide-height: 540px;
}

/* --- Container principal --- */
.course-template {
    max-width: var(--slide-width);
    margin: 0 auto;
    font-family: Arial, 'Helvetica Neue', sans-serif;
}

/* --- Slide wrapper --- */
.course-slide {
    position: relative;
    width: 100%;
    aspect-ratio: 960 / 540;
    background: var(--caplogy-bg);
    border-radius: 8px;
    margin-bottom: 24px;
    padding: 56px 60px 54px;
    box-sizing: border-box;
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(91, 91, 121, 0.15);
    display: flex;
    flex-direction: column;
}

/* --- Header bar: alternating cyan/dark segments with circle connectors --- */
.course-slide::before {
    content: '';
    position: absolute;
    top: 24px;
    left: 60px;
    right: 60px;
    height: 6px;
    background: linear-gradient(
        to right,
        var(--caplogy-cyan) 0%,
        var(--caplogy-cyan) 18%,
        var(--caplogy-dark) 18%,
        var(--caplogy-dark) 30%,
        var(--caplogy-cyan) 30%,
        var(--caplogy-cyan) 60%,
        var(--caplogy-dark) 60%,
        var(--caplogy-dark) 100%
    );
    border-radius: 3px;
}

/* Circle connectors on the header bar */
.course-slide::after {
    content: '';
    position: absolute;
    top: 14px;
    left: 0;
    right: 0;
    height: 26px;
    /* Two dark circles and one cyan circle via radial gradients */
    background:
        radial-gradient(circle 9px at 235px 13px, var(--caplogy-dark) 8px, transparent 9px),
        radial-gradient(circle 7px at 340px 13px, var(--caplogy-cyan) 6px, transparent 7px),
        radial-gradient(circle 9px at 690px 13px, var(--caplogy-dark) 8px, transparent 9px);
    pointer-events: none;
}

/* --- TITLE SLIDE --- */
.course-slide.slide-title {
    justify-content: center;
    align-items: center;
    text-align: center;
}

.course-slide.slide-title .slide-main-title {
    font-family: Georgia, 'Times New Roman', serif;
    font-weight: bold;
    font-size: 3.2em;
    color: var(--caplogy-dark);
    margin: 0 0 8px;
    line-height: 1.2;
}

.course-slide.slide-title .slide-subtitle {
    font-family: Georgia, 'Times New Roman', serif;
    font-style: italic;
    font-size: 1.1em;
    color: #4A4A62;
    margin: 0;
}

/* Decorative lines under title (matching template) */
.course-slide.slide-title .title-decoration {
    margin-top: 30px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
}

.course-slide.slide-title .title-decoration span {
    display: block;
    height: 2px;
    background: var(--caplogy-dark);
}

.course-slide.slide-title .title-decoration span:nth-child(1) { width: 200px; }
.course-slide.slide-title .title-decoration span:nth-child(2) {
    width: 150px;
    background: var(--caplogy-cyan);
}
.course-slide.slide-title .title-decoration span:nth-child(3) { width: 100px; }

/* --- CONTENT SLIDE --- */
.course-slide .slide-header {
    font-family: Arial, sans-serif;
    font-size: 1.8em;
    font-weight: normal;
    color: var(--caplogy-black);
    margin: 0 0 4px;
    line-height: 1.3;
}

.course-slide .slide-topic {
    font-family: Arial, sans-serif;
    font-size: 1.1em;
    color: var(--caplogy-black);
    margin: 0 0 20px;
    opacity: 0.7;
}

.course-slide .slide-body {
    flex: 1;
    overflow: hidden;
    font-size: 0.95em;
    line-height: 1.6;
    color: var(--caplogy-black);
}

/* --- Lists (Caplogy style: cyan bullets) --- */
.course-slide .slide-body ul {
    list-style: none;
    padding-left: 0;
    margin: 8px 0;
}

.course-slide .slide-body ul li {
    position: relative;
    padding-left: 24px;
    margin-bottom: 6px;
}

.course-slide .slide-body ul li::before {
    content: '\25CF'; /* filled circle */
    position: absolute;
    left: 0;
    color: var(--caplogy-cyan);
    font-size: 0.7em;
    top: 4px;
}

/* Sub-lists */
.course-slide .slide-body ul ul li::before {
    content: '\2013'; /* en dash */
    color: var(--caplogy-dark);
}

.course-slide .slide-body ol {
    padding-left: 24px;
    margin: 8px 0;
}

.course-slide .slide-body ol li {
    margin-bottom: 6px;
}

/* --- Bold text --- */
.course-slide .slide-body strong,
.course-slide .slide-body b {
    font-weight: bold;
    color: var(--caplogy-black);
}

/* --- Code blocks --- */
.course-slide .slide-body pre {
    background: #1a1a2e;
    color: #e0e0e0;
    border-radius: 6px;
    padding: 12px 16px;
    font-family: 'Courier New', monospace;
    font-size: 0.85em;
    line-height: 1.5;
    overflow-x: auto;
    margin: 10px 0;
    border-left: 3px solid var(--caplogy-cyan);
}

.course-slide .slide-body code {
    background: rgba(108, 206, 199, 0.15);
    color: var(--caplogy-dark);
    padding: 1px 5px;
    border-radius: 3px;
    font-family: 'Courier New', monospace;
    font-size: 0.9em;
}

.course-slide .slide-body pre code {
    background: none;
    color: inherit;
    padding: 0;
}

/* --- Tables --- */
.course-slide .slide-body table {
    width: 100%;
    border-collapse: collapse;
    margin: 10px 0;
    font-size: 0.9em;
}

.course-slide .slide-body table th {
    background: var(--caplogy-dark);
    color: var(--caplogy-white);
    padding: 8px 12px;
    text-align: left;
    font-weight: bold;
}

.course-slide .slide-body table td {
    padding: 6px 12px;
    border-bottom: 1px solid var(--caplogy-light-border);
}

.course-slide .slide-body table tr:nth-child(even) {
    background: rgba(222, 222, 230, 0.3);
}

/* --- Alert/Callout boxes --- */
.course-slide .slide-body .callout,
.course-slide .slide-body blockquote {
    background: rgba(108, 206, 199, 0.1);
    border-left: 4px solid var(--caplogy-cyan);
    padding: 10px 16px;
    border-radius: 0 6px 6px 0;
    margin: 10px 0;
    font-style: normal;
}

.course-slide .slide-body blockquote p {
    margin: 0;
}

/* --- Images --- */
.course-slide .slide-body img {
    max-width: 100%;
    height: auto;
    border-radius: 6px;
    margin: 10px auto;
    display: block;
    border: 1px solid var(--caplogy-light-border);
}

/* --- Footer: logo + copyright left, page number rect right --- */
.course-slide .slide-footer {
    position: absolute;
    bottom: 10px;
    left: 20px;
    right: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.7em;
    color: var(--caplogy-muted);
}

.course-slide .slide-footer .slide-copyright {
    font-family: Arial, sans-serif;
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Caplogy logo circle (CSS-only approximation) */
.course-slide .slide-footer .slide-copyright::before {
    content: 'C';
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 22px;
    height: 22px;
    border: 2px solid var(--caplogy-cyan);
    border-radius: 50%;
    font-weight: bold;
    font-size: 0.85em;
    color: var(--caplogy-dark);
    flex-shrink: 0;
}

/* Page number in cyan rectangle (matching template) */
.course-slide .slide-footer .slide-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 60px;
    height: 24px;
    background: var(--caplogy-cyan);
    color: var(--caplogy-white);
    font-family: Arial, sans-serif;
    font-size: 1.1em;
    font-weight: bold;
    border-radius: 4px;
    padding: 0 12px;
}

/* --- Flag challenge box --- */
.course-slide .slide-body .flag-challenge {
    background: rgba(91, 91, 121, 0.06);
    border: 2px solid var(--caplogy-cyan);
    border-radius: 8px;
    padding: 12px 16px;
    margin: 10px 0;
}

.course-slide .slide-body .flag-challenge h4 {
    color: var(--caplogy-dark);
    margin: 0 0 6px;
}

/* --- ASCII diagrams / schema --- */
.course-slide .slide-body .ascii-diagram,
.course-slide .slide-body pre.diagram {
    background: var(--caplogy-white);
    color: var(--caplogy-dark);
    border: 1px solid var(--caplogy-light-border);
    border-left: 3px solid var(--caplogy-dark);
    font-family: 'Courier New', monospace;
    padding: 12px 16px;
    border-radius: 6px;
    text-align: center;
}

/* =============================================
   RESPONSIVE
   ============================================= */

@media (max-width: 768px) {
    .course-slide {
        aspect-ratio: auto;
        min-height: 300px;
        padding: 40px 24px 50px;
    }

    .course-slide .slide-header {
        font-size: 1.4em;
    }

    .course-slide.slide-title .slide-main-title {
        font-size: 2em;
    }

    .course-slide .slide-body {
        font-size: 0.85em;
    }

    .course-slide .slide-body pre {
        font-size: 0.75em;
    }

    .course-slide .slide-footer {
        left: 16px;
        right: 16px;
    }
}

@media (max-width: 480px) {
    .course-slide {
        padding: 30px 16px 45px;
        margin-bottom: 16px;
    }

    .course-slide .slide-header {
        font-size: 1.2em;
    }

    .course-slide.slide-title .slide-main-title {
        font-size: 1.6em;
    }
}