:root {
    /* Core Colors matched to LuKul brand */
    --obsidian: #01110B;
    --obsidian-light: #011812;
    --gold: #e6b34a;
    --gold-light: #ffca7a;
    --gold-dark: #c48a26;
    --gold-gradient: linear-gradient(135deg, var(--gold) 0%, var(--gold-light) 50%, var(--gold-dark) 100%);
    --mint: #50fa7b;
    --amber: #f59e0b;
    --crimson: #ff4b4b;
    --text-main: #f2e8d5;
    --text-muted: #a0a0a0;
    --glass-bg: rgba(1, 14, 9, 0.75);
    --glass-border: rgba(230, 179, 74, 0.15);
}

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

body {
    background-color: var(--obsidian);
    color: var(--text-main);
    font-family: 'Manrope', sans-serif;
    overflow-x: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
    /* Whispered wealth radial glow */
    background-image: radial-gradient(circle at 50% 50%, rgba(1, 24, 18, 0.9) 0%, var(--obsidian) 80%);
}

/* The Main Diagnostic Vault */
.diagnostic-vault {
    position: relative;
    z-index: 10;
    width: 100%;
    max-width: 800px;
    background: var(--glass-bg);
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    box-shadow: 0 40px 80px rgba(0, 0, 0, 0.9), inset 0 0 30px rgba(230, 179, 74, 0.03);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    min-height: 650px;
    transition: all 0.5s ease;
}

/* Header matching index.html aesthetics */
.vault-header {
    background: rgba(1, 24, 18, 0.9);
    border-bottom: 1px solid var(--glass-border);
    padding: 20px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-left {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.vault-title {
    font-family: 'Marcellus', serif;
    color: var(--gold);
    font-size: 1.3rem;
    letter-spacing: 3px;
    text-transform: uppercase;
}

.vault-subtitle {
    font-family: 'Space Mono', monospace;
    color: var(--text-muted);
    font-size: 0.7rem;
    letter-spacing: 1px;
    text-transform: uppercase;
}

/* Status & Lang Switcher */
.header-right {
    display: flex;
    align-items: center;
    gap: 25px;
}

.lang-switcher {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: 'Space Mono', monospace;
    font-size: 0.75rem;
}

.lang-opt {
    color: var(--text-muted);
    text-decoration: none;
    transition: 0.3s;
    letter-spacing: 1px;
}

.lang-opt:hover {
    color: var(--text-main);
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.3);
}

.lang-opt.active {
    color: var(--gold);
    font-weight: 700;
    text-shadow: 0 0 10px rgba(230, 179, 74, 0.4);
}

.sep {
    color: var(--glass-border);
    font-size: 0.6rem;
}

.system-status-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    border: 1px solid rgba(80, 250, 123, 0.3);
    border-radius: 4px;
    background: rgba(80, 250, 123, 0.05);
    color: var(--mint);
    font-family: 'Space Mono', monospace;
    font-size: 0.7rem;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.pulse-dot {
    width: 6px;
    height: 6px;
    background-color: var(--mint);
    border-radius: 50%;
    box-shadow: 0 0 8px var(--mint);
    animation: pulse-op 2s infinite;
}

@keyframes pulse-op {
    0% {
        opacity: 1;
    }

    50% {
        opacity: 0.4;
    }

    100% {
        opacity: 1;
    }
}

/* Body & Phases */
.vault-body {
    padding: 50px 40px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.phase-container {
    display: none;
    animation: fadeIn 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.phase-container.active {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(15px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.layer-label {
    font-family: 'Space Mono', monospace;
    color: var(--gold);
    font-size: 0.8rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: -15px;
    opacity: 0.8;
}

.prompt-text {
    color: var(--text-main);
    font-family: 'Cinzel', serif;
    font-size: 1.6rem;
    line-height: 1.4;
    margin-bottom: 10px;
}

.prompt-desc {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 25px;
    max-width: 600px;
}

/* Buttons matching app-btn-bespoke */
.input-group {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.bespoke-btn {
    background: transparent;
    border: 1px solid var(--glass-border);
    color: var(--text-muted);
    font-family: 'Manrope', sans-serif;
    padding: 18px 25px;
    font-size: 1rem;
    font-weight: 500;
    text-align: left;
    cursor: pointer;
    border-radius: 4px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.bespoke-btn::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 3px;
    background: var(--gold);
    transform: scaleY(0);
    transition: transform 0.3s ease;
    transform-origin: bottom;
}

.bespoke-btn:hover {
    border-color: rgba(230, 179, 74, 0.4);
    color: var(--text-main);
    background: rgba(230, 179, 74, 0.03);
    padding-left: 30px;
}

.bespoke-btn.selected {
    background: rgba(230, 179, 74, 0.08);
    border-color: var(--gold);
    color: var(--text-main);
    padding-left: 35px;
}

.bespoke-btn.selected::before {
    transform: scaleY(1);
}

.btn-desc {
    display: block;
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 5px;
    font-family: 'Space Mono', monospace;
}

.bespoke-btn:hover .btn-desc {
    color: rgba(242, 232, 213, 0.7);
}

.action-row {
    margin-top: auto;
    display: flex;
    justify-content: center;
    padding-top: 40px;
}

.cta-btn-gold {
    background: var(--gold-gradient);
    color: var(--obsidian);
    border: none;
    padding: 14px 35px;
    font-family: 'Cinzel', serif;
    font-weight: 700;
    font-size: 0.95rem;
    letter-spacing: 2px;
    cursor: pointer;
    border-radius: 2px;
    transition: 0.3s;
    box-shadow: 0 10px 20px rgba(230, 179, 74, 0.2);
    display: none;
    /* Hidden until selection */
}

.cta-btn-gold:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 30px rgba(230, 179, 74, 0.4);
}

/* Number Inputs */
.terminal-input-wrapper {
    position: relative;
    margin-top: 10px;
}

.terminal-input {
    background: transparent;
    border: none;
    border-bottom: 1px solid rgba(230, 179, 74, 0.4);
    color: var(--gold);
    font-family: 'Space Mono', monospace;
    font-size: 2rem;
    padding: 10px 0;
    width: 100%;
    transition: border-color 0.3s;
    -moz-appearance: textfield;
    appearance: textfield;
}

.terminal-input::-webkit-outer-spin-button,
.terminal-input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.terminal-input:focus {
    outline: none;
    border-color: var(--gold);
}

.terminal-input::placeholder {
    font-size: 1.15rem;
    opacity: 0.6;
}

/* Processing Logs */
.processing-terminal {
    background: rgba(1, 14, 9, 0.9);
    border: 1px solid var(--glass-border);
    border-radius: 4px;
    padding: 20px;
    font-family: 'Space Mono', monospace;
    font-size: 0.8rem;
    color: var(--text-muted);
    min-height: 250px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.log-line {
    opacity: 0;
}

@keyframes typeLine {
    to {
        opacity: 1;
    }
}

.log-line.critical {
    color: var(--crimson);
}

.log-line.warning {
    color: var(--amber);
}

.log-line.success {
    color: var(--mint);
}

/* Final Report Styles */
.report-grid {
    border-top: 1px solid var(--glass-border);
    padding-top: 30px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.report-narrative {
    font-family: 'Manrope', sans-serif;
    font-size: 1.05rem;
    line-height: 1.7;
    color: var(--text-main);
    background: rgba(255, 75, 75, 0.03);
    border-left: 3px solid var(--crimson);
    padding: 20px 25px;
    border-radius: 4px;
}

.report-narrative strong {
    color: var(--crimson);
    font-weight: 600;
}

.total-drag {
    margin-top: 40px;
    text-align: center;
}

.total-drag-label {
    font-family: 'Space Mono', monospace;
    color: var(--text-muted);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 15px;
}

.total-drag-val {
    font-family: 'Marcellus', serif;
    font-size: 3.5rem;
    color: var(--crimson);
    font-weight: 400;
    text-shadow: 0 0 30px rgba(255, 75, 75, 0.3);
    line-height: 1;
}

.cta-box {
    margin-top: 50px;
    text-align: center;
    background: rgba(1, 24, 18, 0.6);
    padding: 40px;
    border: 1px solid var(--glass-border);
    border-radius: 4px;
}

.cta-desc {
    font-family: 'Manrope', sans-serif;
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 25px;
}

.cta-btn-main {
    background: var(--gold-gradient);
    color: var(--obsidian);
    border: none;
    padding: 18px 45px;
    font-family: 'Cinzel', serif;
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: 2px;
    cursor: pointer;
    transition: 0.3s;
    box-shadow: 0 10px 30px rgba(230, 179, 74, 0.2);
    text-decoration: none;
    display: inline-block;
    border-radius: 2px;
}

.cta-btn-main:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(230, 179, 74, 0.4);
}

/* Intro Description Block */
.intro-block {
    margin-bottom: 40px;
    padding-bottom: 35px;
    border-bottom: 1px solid var(--glass-border);
    animation: fadeIn 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.intro-headline {
    font-family: 'Cinzel', serif;
    color: var(--gold);
    font-size: 1.5rem;
    margin-bottom: 15px;
    letter-spacing: 1px;
    font-weight: 600;
}

.intro-paragraph {
    font-family: 'Manrope', sans-serif;
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.7;
    max-width: 680px;
}

.intro-paragraph-mobile {
    display: none;
    font-family: 'Manrope', sans-serif;
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.6;
    max-width: 100%;
}

/* Responsive */
@media(max-width: 600px) {
    .vault-header {
        flex-direction: column;
        gap: 15px;
        align-items: flex-start;
        padding: 20px;
    }

    .header-right {
        width: 100%;
        justify-content: space-between;
    }

    .vault-body {
        padding: 30px 20px;
    }

    .prompt-text {
        font-size: 1.3rem;
    }

    .terminal-input {
        font-size: 1.5rem;
    }

    .terminal-input::placeholder {
        font-size: 0.95rem;
    }

    .bespoke-btn {
        padding: 15px 20px;
        font-size: 0.9rem;
    }

    .total-drag-val {
        font-size: 2.5rem;
    }

    .cta-box {
        padding: 25px 15px;
    }

    .intro-block {
        margin-bottom: 30px;
        padding-bottom: 25px;
    }

    .intro-headline {
        font-size: 1.25rem;
        margin-bottom: 12px;
    }

    .intro-paragraph {
        display: none;
    }

    .intro-paragraph-mobile {
        display: block;
    }
}

@media(max-width: 460px) {
    .cta-btn-main {
        width: 100%;
        box-sizing: border-box;
        padding: 15px 10px;
        font-size: 0.85rem;
        word-break: break-word;
        hyphens: auto;
        letter-spacing: 0px;
    }
}