:root {
    --bg-color: #0b0b0b;
    --panel-bg: #1a1a1a;
    --text-color: #c0c0c0;
    --accent-color: #008080;
    /* Teal like Windows 95 desktop or similar retro feel */
    --highlight-color: #ffffff;
    --border-light: #444;
    --border-dark: #000;
    --font-stack: 'JetBrains Mono', 'Courier New', monospace;
    --btn-face: #c0c0c0;
    --btn-text: #000;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: var(--font-stack);
    height: 100vh;
    overflow: hidden;
    font-size: 14px;
    /* Adjusted for JetBrains Mono */
    letter-spacing: -0.5px;
}

#mobile-menu-btn {
    display: none;
}


.system-line {
    font-size: 12px;
    color: #666;
    margin-bottom: 20px;
}

/* Utilities */
.hidden {
    display: none !important;
}

.mobile-only {
    display: none;
}

/* Layout */
.app-container {
    display: grid;
    grid-template-columns: 250px 1fr;
    grid-template-rows: 1fr 30px;
    height: 100vh;
}

/* Sidebar */
.sidebar {
    background-color: var(--panel-bg);
    border-right: 2px solid var(--border-light);
    display: flex;
    flex-direction: column;
    padding: 10px;
}

.sidebar-header {
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px dashed var(--border-light);
}

.logo {
    font-size: 24px;
    color: var(--highlight-color);
    text-align: center;
    letter-spacing: 2px;
}

.nav-menu {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.nav-btn {
    background: transparent;
    border: none;
    color: var(--text-color);
    padding: 10px;
    text-align: left;
    font-family: var(--font-stack);
    font-size: 20px;
    cursor: pointer;
    border: 1px solid transparent;
}

.nav-btn:hover,
.nav-btn.active {
    background-color: var(--highlight-color);
    color: var(--bg-color);
    border: 1px dotted var(--text-color);
}

.nav-btn .icon {
    display: inline-block;
    width: 20px;
}

/* Main Content */
.main-content {
    background-color: var(--bg-color);
    padding: 20px;
    overflow-y: auto;
    position: relative;
}

.leaderboard-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

.leaderboard-table th,
.leaderboard-table td {
    padding: 8px 10px;
    text-align: left;
    border-bottom: 1px dashed #333;
    white-space: nowrap;
}

.leaderboard-table th {
    color: var(--highlight-color);
    font-weight: bold;
}

.leaderboard-table tr.highlight {
    background: #1f1f1f;
}

.table-container {
    overflow-x: auto;
}


.screen-title {
    color: var(--highlight-color);
    border-bottom: 2px solid var(--highlight-color);
    margin-bottom: 20px;
    padding-bottom: 5px;
    font-size: 32px;
}

/* Retro Components */
.retro-panel {
    border: 2px solid var(--border-light);
    padding: 15px;
    margin-bottom: 20px;
    background: #111;
    box-shadow: inset 2px 2px 0px #000, inset -2px -2px 0px #333;
}

.retro-btn {
    background-color: var(--btn-face);
    color: var(--btn-text);
    border: 2px solid #fff;
    border-right-color: #000;
    border-bottom-color: #000;
    padding: 5px 10px;
    /* Reduced Padding */
    font-family: var(--font-stack);
    font-size: 13px;
    /* Reduced Font Size */
    cursor: pointer;
}

.retro-btn.large {
    font-size: 24px;
    padding: 10px 30px;
}

.retro-btn:active {
    border: 2px solid #000;
    border-right-color: #fff;
    border-bottom-color: #fff;
    transform: translate(1px, 1px);
}

.retro-btn.small {
    font-size: 12px;
    padding: 2px 8px;
}

.retro-btn.outline {
    background: transparent;
    color: var(--text-color);
    border: 1px solid var(--text-color);
}

.retro-input {
    background: #000;
    color: var(--highlight-color);
    border: 2px solid var(--border-light);
    padding: 8px;
    font-family: var(--font-stack);
    font-size: 14px;
    width: 100%;
}

/* Dashboard Grid */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.stat-value {
    font-size: 36px;
    color: var(--highlight-color);
    margin-top: 10px;
}

/* Progress Bar */
.progress-bar-container {
    height: 16px;
    border: 2px solid var(--border-light);
    margin-top: 10px;
    background: #000;
    padding: 1px;
}

.progress-bar {
    height: 100%;
    background: repeating-linear-gradient(45deg,
            var(--text-color),
            var(--text-color) 10px,
            #999 10px,
            #999 20px);
}

/* Study Screen */
.timer-display {
    text-align: center;
    font-size: 80px;
    margin: 40px 0;
    font-family: monospace;
    /* Ensure fixed width for numbers */
    color: #0f0;
    /* Green terminal phosphor style for timer */
    text-shadow: 0 0 2px #0f0;
}

.controls {
    display: flex;
    justify-content: center;
    gap: 20px;
}

/* Table */
.retro-table {
    width: 100%;
    border-collapse: collapse;
}

.retro-table th,
.retro-table td {
    text-align: left;
    padding: 10px;
    border-bottom: 1px dashed #333;
}

.retro-table th {
    color: var(--highlight-color);
    border-bottom: 2px solid var(--highlight-color);
}

.retro-table tr.highlight {
    background-color: #222;
    color: #fff;
}

/* Status Bar */
.status-bar {
    grid-column: 1 / -1;
    background-color: #c0c0c0;
    color: #000;
    display: flex;
    align-items: center;
    padding: 0 10px;
    gap: 20px;
    font-size: 16px;
    border-top: 2px solid #fff;
    box-shadow: inset 1px 1px 0px #fff;
}

.status-item {
    border-right: 1px solid #888;
    padding-right: 20px;
}

/* Activity Log (v1.1) */
.activity-section {
    margin-top: 30px;
}

.activity-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
    border-bottom: 1px solid var(--border-light);
    padding-bottom: 5px;
}

/* HOME FEED – Full page timeline */
.activity-log {
    max-height: none;
    overflow: visible;
    background: transparent;
    padding: 0;
    border: none;
    -webkit-overflow-scrolling: touch;
}

#home {
    width: 100%;
}

#home .activity-log {
    max-width: 720px;
    margin: 0 auto;
    padding: 20px;
}



/* Profile Stats Grid v1.3 */
.profile-stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin: 20px 0;
    border-top: 1px dashed #444;
    padding-top: 20px;
}


.log-item {
    padding: 16px 0;
    border-bottom: 1px dashed rgba(255,255,255,0.15);
}

.log-item:last-child {
    border-bottom: none;
    margin-bottom: 0;
}

.log-meta {
    font-size: 12px;
    color: #666;
}

.log-user {
    color: var(--highlight-color);
    font-weight: bold;
}

.log-content {
    color: var(--text-color);
}

.log-image-container {
    margin-top: 5px;
    border: 1px solid #333;
    padding: 2px;
    display: inline-block;
    max-width: 200px;
}

.log-actions {
    margin-top: 10px;
    border-top: 1px dotted #333;
    padding-top: 5px;
}

.comments-list {
    margin-bottom: 5px;
    font-size: 12px;
    color: #888;
}

.comment-item {
    margin-bottom: 2px;
    padding-left: 10px;
    border-left: 1px solid #444;
}

.comment-user {
    color: var(--highlight-color);
    font-weight: normal;
}

.retro-input-mini {
    background: transparent;
    border: none;
    border-bottom: 1px solid #444;
    color: #666;
    font-family: var(--font-stack);
    font-size: 11px;
    width: 100%;
    padding: 2px;
}

.retro-input-mini:focus {
    color: var(--highlight-color);
    border-bottom: 1px solid var(--highlight-color);
    outline: none;
}

.proof-img {
    width: 100%;
    height: auto;
    display: block;
    filter: grayscale(100%) contrast(1.2);
    /* v1.1 Rule: Grayscale + Contrast */
}

/* Modals */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 100;
}

.retro-window {
    background: var(--btn-face);
    color: #000;
    border: 2px solid #fff;
    border-right-color: #000;
    border-bottom-color: #000;
    width: 90%;
    max-width: 400px;
    box-shadow: 10px 10px 0px rgba(0, 0, 0, 0.5);
}

.window-title-bar {
    background: blue;
    /* Windows title bar blue */
    color: white;
    padding: 2px 5px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: bold;
}

.close-modal-btn {
    background: #c0c0c0;
    border: 1px outset #fff;
    width: 20px;
    height: 20px;
    line-height: 18px;
    text-align: center;
    font-weight: bold;
    cursor: pointer;
}

.window-content {
    padding: 20px;
}

.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
}

.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    margin-top: 20px;
}

/* v1.2 Cold Start Overlay */
.cold-start {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: #000;
    z-index: 9999;
    /* Highest priority */
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
}

.boot-sequence {
    text-align: center;
    color: var(--highlight-color);
}

.boot-sequence h1 {
    font-size: 32px;
    margin-bottom: 40px;
    border-bottom: 2px dashed var(--highlight-color);
    padding-bottom: 10px;
}

.boot-info {
    text-align: left;
    margin-bottom: 40px;
    font-family: var(--font-stack);
}



/* --- v1.5 Visual Polish: CRT Overlay --- */
.crt-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    pointer-events: none;
    z-index: 9999;
    background:
        linear-gradient(rgba(18, 16, 16, 0) 50%, rgba(0, 0, 0, 0.25) 50%),
        linear-gradient(90deg, rgba(255, 0, 0, 0.06), rgba(0, 255, 0, 0.02), rgba(0, 0, 255, 0.06));
    background-size: 100% 2px, 3px 100%;
    opacity: 0.15;
}

@keyframes flicker {
    0% {
        opacity: 0.97;
    }

    5% {
        opacity: 0.95;
    }

    10% {
        opacity: 0.9;
    }

    15% {
        opacity: 0.95;
    }

    20% {
        opacity: 1;
    }

    100% {
        opacity: 0.98;
    }
}

/* v1.2 Reflection Buttons */
.reflection-buttons {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.reflection-opt {
    width: 100%;
    margin-bottom: 5px;
    text-align: center;
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
    body {
        font-size: 12px;
        letter-spacing: -0.3px;
        /* Slightly tighter for small text */
    }

    .retro-btn {
        font-size: 13px;
        padding: 10px 15px;
    }

    .activity-log {
        padding: 8px 12px;
    }

    .status-bar {
        height: auto;
        min-height: 30px;
        font-size: 11px;
        flex-wrap: wrap;
        gap: 8px;
        padding: 4px 6px;
        opacity: 0.85;
    }

    .status-item {
        border-right: none;
        padding-right: 0;
        font-size: 12px;
    }


    .mobile-only {
        display: inline-block;
    }

    .log-item {
        padding: 14px 0;
        display: flex;
        flex-direction: column;
        gap: 6px;
        border-bottom: 1px solid rgba(255,255,255,0.08);
    }

    .comments-list {
        display: none;
    }

    .log-meta {
        font-size: 11px;
        colour:#777;
        opacity: 0.6;
        margin-bottom: 4px;
    }

    .log-content {
        line-height: 1.5;
        margin-bottom: 8px;
        font-size: 14px;
    }

    .log-image-container{
        max-width: 100%;
        margin: 8px 0;
        border: none;
        border-radius: 6px;
        overflow: hidden;
        text-align: center;
        display: block;
        padding: 0;
    }

    .log-actions {
        margin-top: 6px;
        font-size: 12x;
        color: #888;
        padding-top: 4px;
    }

    .proof-img {
        border-radius: 6px;
        margin: auto;
    }

    .app-container {
        grid-template-columns: 1fr;
        grid-template-rows: 50px 1fr 30px;
    }

    .sidebar {
        flex-direction: row;
        align-items: center;
        border-right: none;
        height: 50px;
        display: block;
    }

    .log-item:not(:first-child) {
        margin-top: 6px;
    }

    .sidebar-header {
        display: flex;
        justify-content: space-between;
        align-items: center;
    }

    #home .activity-log {
        max-width: 600px;
        margin: 0 auto;
        padding: 12px 0;
    }


    #main-nav {
        display: none;
        position: absolute;
        top: 50px;
        left: 0;
        width: 100%;
        background: var(--panel-bg);
        border-bottom: 2px solid var(--border-light);
        z-index: 10;
        flex-direction: column;
        gap: 8px;
        padding: 6px;
    }

    #main-nav.open {
        display: flex;
        box-shadow: 0 6px 20px rgba(0,0,0,0.6);
    }


    #mobile-menu-btn {
        display: block;
        font-size: 14px;
        padding: 3px 6px;
        width: auto;
        height: auto;
        line-height: 1;
    }

    .main-content {
        padding: 12px;
    }

    .retro-input-mini {
        min-height: 36px;
        padding: 6px 2px;
        font-size: 12px;
        opacity: 0.7;
    }

    .retro-input-mini:focus {
        opacity: 1;
    }

    .leaderboard-table {
        font-size: 12px;
        min-width: 520px; /* forces horizontal scroll instead of squish */
    }

    .leaderboard-table th,
    .leaderboard-table td {
        padding: 6px 8px;
    }


    .hide-mobile {
        display: none;
    }

    .timer-display {
        font-size: 50px;
    }
}