/* ============================================
   "The Terminal" (Retro) - CRT, Green-on-Black
   ============================================ */
.theme-terminal {
    --bg: #0a0a0a;
    --card-bg: #111111;
    --text: #00ff41;
    --text-muted: #008f28;
    --accent: #00ff41;
    --accent-hover: #00cc33;
    --border: #003300;
    --shadow: 0 0 10px rgba(0, 255, 65, 0.1);
    --shadow-lg: 0 0 20px rgba(0, 255, 65, 0.15);
    --radius: 0px;
    --font: 'Courier New', Courier, monospace;
    --positive: #00ff41;
    --warning: #ffcc00;
}

.theme-terminal body,
body.theme-terminal {
    font-family: var(--font);
    background: var(--bg);
    color: var(--text);
    margin: 0;
    padding: 20px;
    min-height: 100vh;
    position: relative;
}

/* CRT Scanline Effect */
.theme-terminal body::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: repeating-linear-gradient(
        0deg,
        rgba(0, 0, 0, 0.15) 0px,
        rgba(0, 0, 0, 0.15) 1px,
        transparent 1px,
        transparent 3px
    );
    pointer-events: none;
    z-index: 9999;
}

.theme-terminal .app-container {
    max-width: 720px;
    margin: 0 auto;
    border: 2px solid var(--accent);
    padding: 24px;
    box-shadow: var(--shadow-lg);
}

.theme-terminal .skin-selector {
    display: flex;
    gap: 4px;
    justify-content: center;
    margin-bottom: 24px;
}

.theme-terminal .skin-selector button {
    padding: 6px 14px;
    border: 1px solid var(--border);
    background: var(--bg);
    color: var(--text-muted);
    cursor: pointer;
    font-size: 12px;
    font-family: var(--font);
    text-transform: uppercase;
}

.theme-terminal .skin-selector button.active {
    background: var(--accent);
    color: var(--bg);
    border-color: var(--accent);
    text-shadow: 0 0 5px rgba(0, 255, 65, 0.5);
}

.theme-terminal .site-header {
    text-align: center;
    margin-bottom: 20px;
}
.theme-terminal .site-logo {
    font-size: 22px;
    font-weight: 700;
    color: var(--accent);
    text-decoration: none;
    letter-spacing: -0.3px;
    text-shadow: 0 0 5px rgba(0, 255, 65, 0.3);
}
.theme-terminal .site-logo:hover {
    opacity: 0.85;
}

.theme-terminal .calc-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    padding: 24px;
    margin-bottom: 24px;
}

.theme-terminal h1 {
    font-size: 22px;
    font-weight: 400;
    margin: 0 0 8px 0;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 2px;
    text-shadow: 0 0 5px rgba(0, 255, 65, 0.3);
}

.theme-terminal .subtitle {
    color: var(--text-muted);
    font-size: 13px;
    margin: 0 0 24px 0;
}

.theme-terminal .input-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.theme-terminal .input-group {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.theme-terminal .input-group.full-width {
    grid-column: 1 / -1;
}

.theme-terminal .phase-header {
    grid-column: 1 / -1;
    font-size: 12px;
    font-weight: 700;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 2px;
    padding: 8px 0 0 0;
    border-top: 1px solid var(--border);
    margin-top: 4px;
}

.theme-terminal .input-group label {
    font-size: 12px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.theme-terminal .input-group input {
    padding: 8px 12px;
    border: 1px solid var(--border);
    background: var(--bg);
    color: var(--text);
    font-size: 16px;
    font-family: var(--font);
    outline: none;
}

.theme-terminal .input-group input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 8px rgba(0, 255, 65, 0.2);
}

.theme-terminal .btn-calculate {
    grid-column: 1 / -1;
    padding: 10px 20px;
    background: var(--bg);
    color: var(--accent);
    border: 2px solid var(--accent);
    font-size: 14px;
    font-weight: 700;
    font-family: var(--font);
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-top: 8px;
    transition: all 0.1s;
}

.theme-terminal .btn-calculate:hover {
    background: var(--accent);
    color: var(--bg);
    box-shadow: 0 0 15px rgba(0, 255, 65, 0.3);
}

.theme-terminal .results-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 12px;
    margin-top: 24px;
}

.theme-terminal .res-card {
    background: var(--bg);
    border: 1px solid var(--border);
    padding: 12px;
    text-align: center;
}

.theme-terminal .res-card .label {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
}

.theme-terminal .res-card .value {
    font-size: 20px;
    font-weight: 400;
    color: var(--accent);
    margin-top: 4px;
    text-shadow: 0 0 5px rgba(0, 255, 65, 0.3);
}

.theme-terminal .res-card .value.positive {
    color: var(--positive);
}

.theme-terminal .res-card .value.warning {
    color: var(--warning);
    text-shadow: 0 0 5px rgba(255, 204, 0, 0.3);
}

/* AdSense CLS Prevention */
.theme-terminal #adsense-top {
    min-height: 100px;
    contain: strict;
    min-width: 300px;
    background: var(--bg);
    border: 1px solid var(--border);
    margin-bottom: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.theme-terminal .chart-wrapper {
    margin-top: 24px;
    background: var(--bg);
    border: 1px solid var(--border);
    padding: 12px;
}

.theme-terminal .chart-wrapper canvas {
    width: 100%;
    height: 220px;
    display: block;
}

.theme-terminal .progress-wrapper {
    margin-top: 20px;
}

.theme-terminal .progress-bar {
    width: 100%;
    height: 20px;
    background: var(--bg);
    border: 1px solid var(--border);
    overflow: hidden;
}

.theme-terminal .progress-fill {
    height: 100%;
    background: var(--accent);
    box-shadow: 0 0 8px rgba(0, 255, 65, 0.3);
    min-width: 0;
}

.theme-terminal .progress-labels {
    display: flex;
    justify-content: space-between;
    font-size: 11px;
    color: var(--text-muted);
    margin-top: 4px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.theme-terminal .nav-links {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    justify-content: center;
    margin-top: 24px;
    border-top: 1px solid var(--border);
    padding-top: 16px;
}

.theme-terminal .nav-links a {
    display: inline-block;
    padding: 6px 12px;
    background: var(--bg);
    border: 1px solid var(--border);
    color: var(--text-muted);
    text-decoration: none;
    font-size: 12px;
    font-family: var(--font);
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.1s;
}

.theme-terminal .nav-links a:hover {
    color: var(--accent);
    border-color: var(--accent);
    text-shadow: 0 0 5px rgba(0, 255, 65, 0.3);
    box-shadow: 0 0 10px rgba(0, 255, 65, 0.15);
}

/* Floating "How to Use" Link */
.theme-terminal .how-to-float {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 100;
    background: var(--bg);
    color: var(--accent);
    border: 2px solid var(--accent);
    padding: 10px 18px;
    font-size: 13px;
    font-weight: 700;
    font-family: var(--font);
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 1px;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 6px;
    box-shadow: 0 0 15px rgba(0, 255, 65, 0.2);
}
.theme-terminal .how-to-float:hover {
    background: var(--accent);
    color: var(--bg);
    box-shadow: 0 0 20px rgba(0, 255, 65, 0.4);
}

/* Toggle switch for Phase 2 */
.theme-terminal .toggle-group {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    padding: 8px 0;
}

.theme-terminal .toggle-label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    user-select: none;
}

.theme-terminal .toggle-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--accent);
    cursor: pointer;
}

.theme-terminal .toggle-text {
    font-size: 14px;
    color: var(--text);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.theme-terminal .phase2-input {
    display: none;
}

/* SEO Content Section */
.theme-terminal .seo-content {
    max-width: 800px;
    margin: 4rem auto;
    padding: 24px;
    padding-top: 3rem;
    border: 1px solid var(--border);
    line-height: 1.6;
    color: var(--text);
    text-align: left;
    border-top: 1px solid var(--border);
}
.theme-terminal .seo-content h2 {
    font-size: 20px;
    font-weight: 400;
    margin: 0 0 16px 0;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 2px;
    text-shadow: 0 0 5px rgba(0, 255, 65, 0.3);
}
.theme-terminal .seo-content h3 {
    font-size: 16px;
    font-weight: 400;
    margin: 28px 0 12px 0;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 1px;
}
.theme-terminal .seo-content p {
    font-size: 14px;
    margin: 0 0 1.5rem 0;
    color: var(--text-muted);
}
.theme-terminal .seo-content ul,
.theme-terminal .seo-content ol {
    font-size: 14px;
    color: var(--text-muted);
    padding-left: 24px;
    margin: 0 0 1.5rem 0;
}
.theme-terminal .seo-content li {
    margin-bottom: 8px;
}
.theme-terminal .seo-content article {
    margin-bottom: 24px;
    border-bottom: 1px solid var(--border);
    padding-bottom: 16px;
}
.theme-terminal .seo-content article:last-child {
    margin-bottom: 0;
    border-bottom: none;
    padding-bottom: 0;
}

/* Dimmed placeholder values */
.theme-terminal .input-group input.placeholder-value {
    color: var(--text-muted);
    opacity: 0.5;
}