/* Core Reset & Dark Theme Base */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    background-color: var(--color-bg); /* Sleek Slate Dark Mode */
    color: var(--color-fg);
    font-family: 'Courier New', Courier, monospace; /* Keeping it monospaced */
    line-height: 1.6;
    padding-bottom: 60px;
    --term-font-size: 16px;
    font-size: var(--term-font-size);
}

/* Navbar */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 40px;
    background-color: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
}

.navbar .logo {
    font-weight: bold;
    color: var(--ansi-blue); /* Cyan/Blue accent */
    font-size: 1.5rem;
    letter-spacing: 2px;
    user-select: none;
}

.navbar nav a {
    color: var(--color-fg);
    text-decoration: none;
    margin-left: 15px;
    padding: 8px 16px;
    border: 1px solid var(--color-border);
    border-radius: 6px;
    background-color: var(--color-bg);
    transition: border-color 0.3s ease, box-shadow 0.3s ease, color 0.3s ease;
}

.navbar nav a:hover {
    color: var(--ansi-white);
    border-color: var(--ansi-blue);
    box-shadow: 0 0 10px var(--ansi-blue);
}

#theme-toggle {
    margin-left: 15px;
    padding: 8px 12px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

#theme-toggle:hover {
    border-color: var(--ansi-blue);
    box-shadow: 0 0 10px var(--ansi-blue);
}

/* Main Container */
.container {
    max-width: 1100px;
    margin: 40px auto;
    padding: 0 20px;
}

/* Terminal Component */
.terminal-block {
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 6px;
    margin-bottom: 40px;
    transition: border-color 0.3s ease;
    overflow: hidden;
}

.terminal-block.closed .terminal-body {
    max-height: 0;
    padding-top: 0;
    padding-bottom: 0;
    opacity: 0;
}

.terminal-header {
    background-color: var(--color-card-bg);
    padding: 10px;
    display: flex;
    align-items: center;
    border-top-left-radius: 5px;
    border-top-right-radius: 5px;
    border-bottom: 1px solid var(--color-card-bg);
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    margin-right: 8px;
    display: inline-block;
}
.red { background-color: var(--ansi-red); }
.yellow { background-color: var(--ansi-yellow); }
.green { background-color: var(--ansi-green); }

.terminal-title {
    margin-left: 10px;
    font-size: 0.85rem;
    color: var(--color-fg-muted);
}

.terminal-body {
    padding: 20px;
    font-size: var(--term-font-size);
    height: 60vh;
    min-height: 400px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    opacity: 1;
    transition: max-height 0.4s ease, padding 0.4s ease, opacity 0.4s ease;
}

.prompt { color: var(--ansi-green); }
#prompt-path {
    display: block;
    color: var(--ansi-blue);
    font-weight: bold;
}
#terminal-input {
    opacity: 0;
    position: absolute;
    z-index: -1;
}
.command { color: var(--color-primary); font-weight: bold; }
.key { color: var(--ansi-blue); }

/* Pastel colors for logo */
.pastel-blue { color: var(--ansi-cyan); }
.pastel-grey { color: var(--color-fg-muted); }

.monospace-text, .prompt { font-family: 'Fira Code', 'Cascadia Code', Consolas, monospace; }

/* Cards Grid Layout */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
}

.card {
    background-color: var(--color-card-bg);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    padding: 25px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: transform 0.2s, border-color 0.2s;
}

.card:hover {
    transform: translateY(-4px);
    border-color: var(--ansi-blue);
}

.card-header {
    display: flex;
    justify-content: space-between;
    color: var(--color-fg-muted);
    font-size: 0.9rem;
    margin-bottom: 15px;
}

.card-preview {
    background-color: var(--color-bg);
    height: 120px;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    border: 1px dashed var(--color-border);
}

.ascii-art {
    font-size: 1.2rem;
    color: var(--color-fg);
    text-align: center;
}

h3 {
    color: var(--ansi-white);
    margin-bottom: 5px;
}

.subtitle {
    font-size: 0.85rem;
    color: var(--color-fg-muted);
    margin-bottom: 20px;
}

/* Button Terminal Brackets Style */
.btn {
    display: block;
    text-align: center;
    text-decoration: none;
    color: var(--ansi-blue);
    font-weight: bold;
    padding: 10px;
    border: 1px solid transparent;
    transition: color 0.2s;
}

.btn:hover {
    color: var(--ansi-white);
}

/* Footer styling */
footer {
    text-align: center;
    padding: 40px 0;
    color: var(--color-fg-muted);
    font-size: 0.85rem;
}

/* --- New Terminal & Animation Enhancements --- */

/* Scanline Effect */
body::after {
    content: " ";
    display: block;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    background: linear-gradient(
        to bottom,
        transparent 50%,
        var(--color-border) 50%
    );
    background-size: 100% 4px;
    z-index: 9999;
    pointer-events: none;
    opacity: 0.7; /* Default to hard */
}

body[data-crt="hard"]::after {
    opacity: 0.30;
}

body[data-crt="subtle"]::after {
    opacity: 0.15;
}

body[data-crt="off"]::after {
    display: none;
}

/* Blinking Cursor */
.cursor {
    display: inline-block;
    color: var(--color-primary);
    animation: cursor-blink 1s step-end infinite;
    margin-left: 2px;
    line-height: 1;
}

.cursor.cursor-empty {
    animation: none !important;
}

@keyframes cursor-blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

/* Interactive Commands */
.clickable-cmd {
    cursor: pointer;
    text-decoration: underline;
    text-decoration-style: dashed;
    transition: color 0.2s;
}

.clickable-cmd:hover {
    color: var(--ansi-blue);
}

.cmd-hint {
    color: var(--color-fg-muted);
    font-style: italic;
}

.cmd-output {
    margin-bottom: 10px;
    padding-left: 10px;
    border-left: 2px solid var(--color-border);
}

.terminal-block:hover {
    border-color: var(--ansi-blue);
    box-shadow: 0 0 10px var(--ansi-blue);
}

/* Fade-in Animations for Cards */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.ghost-text {
    color: var(--color-fg-muted);
    font-style: italic;
}

/* Content Sections */
.content-section { display: none; }
.content-section.active { display: block; }

/* Skip Link (Visually hidden until focused) */
.skip-link {
    position: absolute;
    top: -100px;
    left: 20px;
    background-color: var(--color-card-bg);
    color: var(--ansi-blue);
    padding: 10px 16px;
    border: 1px solid var(--ansi-blue);
    border-radius: 4px;
    z-index: 10000;
    text-decoration: none;
    font-weight: bold;
    transition: top 0.2s ease;
}

.skip-link:focus,
.skip-link:focus-visible {
    top: 20px;
}

/* Focus-visible styles for keyboard navigation */
:focus-visible {
    outline: 2px solid var(--ansi-blue);
    outline-offset: 2px;
}

#terminal-input:focus-visible {
    outline: none;
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    * {
        animation: none !important;
        transition: none !important;
    }

    body::after {
        display: none !important;
    }
}



/* Settings TUI */

.prompt.disable-cursor-blink,
body.disable-cursor-blink .cursor {
    animation: none !important;
}

.tui-container {
    padding: 10px;
}
.tui-row {
    padding: 8px 10px;
    margin: 2px 0;
    cursor: pointer;
    user-select: none;
    border-radius: 4px;
    transition: background-color 0.15s ease, color 0.15s ease;
}
.tui-row:hover {
    background-color: var(--color-card-hover);
}
.tui-row.active {
    color: var(--color-text-active);
    font-weight: bold;
    background-color: var(--color-card-bg);
}
.tui-header {
    color: var(--ansi-blue);
    margin-bottom: 10px;
    font-weight: bold;
}
.tui-footer {
    color: var(--color-fg-muted);
}

.dir-name {
    color: var(--color-primary);
    font-weight: bold;
}

.file-name {
    color: var(--color-text);
}

.prompt-path {
    display: block;
    color: var(--color-primary);
    font-weight: bold;
}

/* Global Link Styles */
a {
    color: var(--ansi-green);
    text-decoration: none;
    transition: filter 0.2s ease-in-out;
}

a:hover {
    filter: brightness(1.2);
    text-decoration: none;
}

/* --- Refactored SPA Viewport (Tab-Replaces-Terminal) --- */
.main-viewport {
    position: relative;
}

.main-viewport > .terminal-block,
.main-viewport > .content-section {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s;
    visibility: hidden;
}

.main-viewport > .active {
    position: relative;
    opacity: 1;
    pointer-events: auto;
    visibility: visible;
}

/* --- Content Section Refactoring (Removed inline styles) --- */
.file-block {
    margin-bottom: 1.5rem;
    padding-left: 1rem;
    border-left: 2px solid var(--color-border);
}
.file-title {
    margin-bottom: 0.2rem;
}
.file-subtitle {
    font-size: 0.8em;
    color: var(--color-fg-muted);
    font-weight: normal;
}
.file-synopsis {
    margin-bottom: 0.5rem;
}
.file-link {
    font-size: 0.9em;
}
.section-heading {
    color: var(--color-primary);
    margin-bottom: 2rem;
}
.section-heading-subtitle {
    font-size: 0.6em;
    color: var(--color-fg-muted);
}
.cd-home-btn {
    display: inline-block;
}
.fetch-container {
    display: flex;
    gap: 2rem;
    align-items: center;
    margin-bottom: 1rem;
}
.fetch-ascii {
    color: var(--color-primary);
    margin: 0;
    line-height: 1.2;
}

/* --- Mobile Media Queries --- */
@media (max-width: 768px) {
    .navbar {
        flex-direction: column;
        padding: 15px;
        gap: 10px;
    }
    .navbar nav {
        display: flex;
        flex-wrap: wrap;
        gap: 8px;
        justify-content: center;
    }
    .navbar nav a {
        margin-left: 0;
    }
    .terminal-body {
        height: 50vh;
        min-height: 300px;
    }
    .grid {
        grid-template-columns: 1fr;
    }
}