/* =========================================================
   CODEWORD — CODING PROBLEMS DISPLAY
   Presentation only. Existing PHP, URLs, IDs and JavaScript
   remain unchanged. Styles are scoped to the coding section.
   ========================================================= */

#coding-display-section {
    --cw-coding-ink: #17233d;
    --cw-coding-navy: #101b33;
    --cw-coding-blue: #2457d6;
    --cw-coding-blue-dark: #173ea8;
    --cw-coding-orange: #ff7a1a;
    --cw-coding-page: #f3f6fb;
    --cw-coding-card: #ffffff;
    --cw-coding-muted: #64748b;
    --cw-coding-border: #dce4f0;
    --cw-coding-code: #101827;
    --cw-coding-shadow: 0 12px 32px rgba(16, 27, 51, .08);

    width: 100%;
    max-width: 1440px;
    margin: 0 auto;
    padding: clamp(18px, 3vw, 36px);
    color: var(--cw-coding-ink);
    font-family: Inter, "Segoe UI", Roboto, Arial, sans-serif;
    box-sizing: border-box;
}

#coding-display-section *,
#coding-display-section *::before,
#coding-display-section *::after {
    box-sizing: border-box;
}

#coding-display-section .coding-display-layout,
#coding-display-section .coding-display-grid,
#coding-display-section .coding-main-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(260px, 330px);
    align-items: start;
    gap: clamp(18px, 2.5vw, 30px);
    width: 100%;
}

#coding-display-section .coding-list-section,
#coding-display-section #codingList {
    min-width: 0;
    width: 100%;
}

/* Individual problem cards */
#coding-display-section .coding-box {
    width: 100%;
    min-width: 0;
    margin: 0 0 24px;
    padding: clamp(18px, 2.5vw, 28px);
    overflow: hidden;
    background: var(--cw-coding-card);
    border: 1px solid var(--cw-coding-border);
    border-radius: 18px;
    box-shadow: var(--cw-coding-shadow);
    position: relative;
}

#coding-display-section .coding-box::before {
    content: "";
    position: absolute;
    inset: 0 0 auto;
    height: 4px;
    background: linear-gradient(90deg, var(--cw-coding-blue), var(--cw-coding-orange));
}

#coding-display-section .section-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 14px;
    margin: 0 0 16px;
}

/* Problem statement */
#coding-display-section .problem-statement-box {
    margin: 0 0 20px;
    padding: 18px 20px;
    background: #f6f8ff;
    border: 1px solid #e1e8ff;
    border-left: 4px solid var(--cw-coding-blue);
    border-radius: 12px;
}

#coding-display-section .problem-statement-box h3 {
    margin: 0 0 10px;
    color: var(--cw-coding-navy);
    font-size: 17px;
    font-weight: 750;
    line-height: 1.45;
}

#coding-display-section .problem-statement-box p,
#coding-display-section .problem-statement-box h3 + h3 {
    margin: 0;
    color: #34425c;
    font-size: 15px;
    font-weight: 450;
    line-height: 1.8;
    overflow-wrap: anywhere;
}

/* Language and topic chips */
#coding-display-section .coding-meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
    margin: 0 0 20px;
}

#coding-display-section .meta-item {
    display: inline-flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 5px;
    max-width: 100%;
    padding: 8px 12px;
    color: #34425c;
    background: #f8fafc;
    border: 1px solid var(--cw-coding-border);
    border-radius: 999px;
    font-size: 13px;
    line-height: 1.5;
    overflow-wrap: anywhere;
}

#coding-display-section .label {
    display: block;
    margin: 18px 0 8px;
    color: var(--cw-coding-navy);
    font-size: 14px;
    font-weight: 750;
    line-height: 1.5;
}

#coding-display-section .meta-item .label {
    display: inline;
    margin: 0;
    color: var(--cw-coding-blue-dark);
}

/* Code blocks */
#coding-display-section .code-content,
#coding-display-section .coding-code-area {
    display: block;
    width: 100%;
    max-width: 100%;
    margin: 0 0 16px;
    padding: 20px;
    overflow: auto;
    color: #e6edf7;
    background: var(--cw-coding-code);
    border: 1px solid #263348;
    border-radius: 12px;
    font-family: "Cascadia Code", "Fira Code", Consolas, Monaco, monospace;
    font-size: 13px;
    line-height: 1.8;
    tab-size: 4;
    white-space: pre-wrap;
    overflow-wrap: anywhere;
    scrollbar-width: thin;
    scrollbar-color: #52617a #172033;
}

#coding-display-section .code-content::selection,
#coding-display-section .coding-code-area::selection,
#coding-display-section .io-box::selection {
    color: #fff;
    background: #3459a7;
}

/* Input and output panels */
#coding-display-section .io-box {
    display: block;
    width: 100%;
    max-width: 100%;
    min-height: 44px;
    margin: 0 0 16px;
    padding: 14px 16px;
    overflow: auto;
    color: #26354e;
    background: #f8fafc;
    border: 1px solid var(--cw-coding-border);
    border-left: 3px solid #8ba4dc;
    border-radius: 10px;
    font-family: "Cascadia Code", Consolas, Monaco, monospace;
    font-size: 13px;
    line-height: 1.75;
    white-space: pre-wrap;
    overflow-wrap: anywhere;
}

/* Right-side list of all coding problems */
#coding-display-section .blog-links-box {
    position: sticky;
    top: 20px;
    min-width: 0;
    width: 100%;
    margin: 0;
    padding: 22px;
    background: var(--cw-coding-card);
    border: 1px solid var(--cw-coding-border);
    border-radius: 18px;
    box-shadow: var(--cw-coding-shadow);
}

#coding-display-section .blog-links-box h2 {
    margin: 0 0 18px;
    padding: 0 0 14px;
    color: var(--cw-coding-navy);
    border-bottom: 1px solid var(--cw-coding-border);
    font-size: 16px;
    font-weight: 800;
    line-height: 1.45;
    letter-spacing: .4px;
}

#coding-display-section #visibleProblems,
#coding-display-section #hiddenProblems {
    display: flex;
    flex-direction: column;
    gap: 9px;
    min-width: 0;
}

#coding-display-section #hiddenProblems[style*="display: none"] {
    display: none !important;
}

#coding-display-section .blog-links-box a {
    display: block;
    width: 100%;
    padding: 12px 13px;
    color: #33435f;
    background: #f8fafc;
    border: 1px solid #e6ebf3;
    border-radius: 10px;
    font-size: 13px;
    font-weight: 600;
    line-height: 1.6;
    text-decoration: none;
    overflow-wrap: anywhere;
    transition: color .18s ease, background .18s ease, border-color .18s ease, transform .18s ease;
}

#coding-display-section .blog-links-box a:hover {
    color: var(--cw-coding-blue-dark);
    background: #eef3ff;
    border-color: #b9cbff;
    transform: translateX(2px);
}

#coding-display-section .blog-links-box a:focus-visible,
#coding-display-section .solve-code-btn:focus-visible {
    outline: 3px solid rgba(36, 87, 214, .28);
    outline-offset: 3px;
}

/* Read all problems button */
#coding-display-section .solve-code-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    min-height: 44px;
    margin: 14px 0 0 !important;
    padding: 11px 16px;
    color: #fff;
    background: linear-gradient(135deg, var(--cw-coding-blue), var(--cw-coding-blue-dark));
    border: 1px solid transparent;
    border-radius: 10px;
    box-shadow: 0 6px 14px rgba(36, 87, 214, .18);
    font-family: inherit;
    font-size: 13px;
    font-weight: 750;
    line-height: 1.4;
    cursor: pointer;
    transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
}

#coding-display-section .solve-code-btn:hover {
    color: #fff;
    background: linear-gradient(135deg, var(--cw-coding-blue-dark), #102e80);
    box-shadow: 0 9px 18px rgba(36, 87, 214, .25);
    transform: translateY(-1px);
}

#coding-display-section .solve-code-btn:active {
    transform: translateY(0);
}

/* Messages and alerts */
#coding-display-section .alert {
    margin: 16px 0;
    padding: 14px 16px;
    color: #8a3415;
    background: #fff7ed;
    border: 1px solid #fed7aa;
    border-left: 4px solid var(--cw-coding-orange);
    border-radius: 10px;
    font-size: 14px;
    line-height: 1.7;
    overflow-wrap: anywhere;
}

#coding-display-section p:not(.label):not(.alert) {
    overflow-wrap: anywhere;
}

/* Tablet layout */
@media (max-width: 980px) {
    #coding-display-section .coding-display-layout,
    #coding-display-section .coding-display-grid,
    #coding-display-section .coding-main-layout {
        grid-template-columns: minmax(0, 1fr) 270px;
        gap: 18px;
    }

    #coding-display-section .blog-links-box {
        padding: 18px;
    }

    #coding-display-section .coding-box {
        padding: 20px;
    }
}

/* Stack sidebar below the problems on smaller screens */
@media (max-width: 760px) {
    #coding-display-section {
        padding: 18px 14px;
    }

    #coding-display-section .coding-display-layout,
    #coding-display-section .coding-display-grid,
    #coding-display-section .coding-main-layout {
        grid-template-columns: minmax(0, 1fr);
        gap: 18px;
    }

    #coding-display-section .blog-links-box {
        position: static;
        top: auto;
    }

    #coding-display-section .coding-box {
        margin-bottom: 18px;
        padding: 18px;
        border-radius: 15px;
    }

    #coding-display-section .problem-statement-box {
        padding: 15px;
    }

    #coding-display-section .code-content,
    #coding-display-section .coding-code-area {
        padding: 15px;
        font-size: 12px;
    }
}

/* Small phones */
@media (max-width: 480px) {
    #coding-display-section {
        padding: 14px 10px;
    }

    #coding-display-section .coding-box {
        padding: 15px 12px;
        border-radius: 13px;
    }

    #coding-display-section .problem-statement-box h3 {
        font-size: 15px;
    }

    #coding-display-section .problem-statement-box p,
    #coding-display-section .problem-statement-box h3 + h3 {
        font-size: 13px;
        line-height: 1.75;
    }

    #coding-display-section .coding-meta {
        gap: 7px;
    }

    #coding-display-section .meta-item {
        padding: 7px 10px;
        font-size: 12px;
        border-radius: 9px;
    }

    #coding-display-section .code-content,
    #coding-display-section .coding-code-area,
    #coding-display-section .io-box {
        padding: 12px;
        font-size: 11px;
        line-height: 1.7;
    }

    #coding-display-section .blog-links-box {
        padding: 15px;
        border-radius: 14px;
    }

    #coding-display-section .blog-links-box h2 {
        font-size: 14px;
    }
}

@media (prefers-reduced-motion: reduce) {
    #coding-display-section *,
    #coding-display-section *::before,
    #coding-display-section *::after {
        scroll-behavior: auto !important;
        animation-duration: .01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: .01ms !important;
    }
}