/* ==========================================
   CROSSOUT OPTIMIZER - STYLE SHEET
   Post-apocalyptic industrial aesthetic
   ========================================== */

/* --- CSS Variables (Design Tokens) --- */
:root {
    /* Core Colors */
    --color-bg-dark: #0d0d0d;
    --color-bg-panel: #1a1a1a;
    --color-bg-input: #252525;
    --color-border: #3a3a3a;
    --color-border-focus: #f57c00;

    /* Accent Colors (Crossout Orange/Rust) */
    --color-accent: #f57c00;
    --color-accent-hover: #ff9800;
    --color-accent-glow: rgba(245, 124, 0, 0.4);

    /* Text Colors */
    --color-text-primary: #e0e0e0;
    --color-text-secondary: #888888;
    --color-text-muted: #666666;

    /* Status Colors */
    --color-durability: #4caf50;
    --color-resistance: #2196f3;
    --color-warning: #ff5722;

    /* Typography */
    --font-primary: 'Rajdhani', 'Orbitron', sans-serif;
    --font-mono: 'Share Tech Mono', monospace;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;

    /* Effects */
    --shadow-panel: 0 4px 20px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 20px var(--color-accent-glow);
    --transition-fast: 0.15s ease;
    --transition-normal: 0.25s ease;
}

/* --- Reset & Base --- */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    background-color: var(--color-bg-dark);
    color: var(--color-text-primary);
    line-height: 1.6;
    min-height: 100vh;

    background-image:
        radial-gradient(ellipse at top, rgba(30, 30, 30, 1) 0%, transparent 70%),
        repeating-linear-gradient(0deg,
            transparent,
            transparent 2px,
            rgba(0, 0, 0, 0.1) 2px,
            rgba(0, 0, 0, 0.1) 4px);
}

/* --- Layout Container --- */
.container {
    max-width: 600px;
    margin: 0 auto;
    padding: var(--spacing-xl);
}

/* --- Main Panel --- */
.panel {
    background: linear-gradient(145deg, #1e1e1e 0%, #151515 100%);
    border: 1px solid var(--color-border);
    border-radius: 4px;
    padding: var(--spacing-xl);
    position: relative;
    box-shadow: var(--shadow-panel);

    &::before,
    &::after {
        content: '';
        position: absolute;
        width: 8px;
        height: 8px;
        background: #333;
        border-radius: 50%;
        box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.8);
    }

    &::before {
        top: 12px;
        left: 12px;
    }

    &::after {
        top: 12px;
        right: 12px;
    }
}

.panel-bolts::before,
.panel-bolts::after {
    content: '';
    position: absolute;
    width: 8px;
    height: 8px;
    background: #333;
    border-radius: 50%;
    box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.8);
}

.panel-bolts::before {
    bottom: 12px;
    left: 12px;
}

.panel-bolts::after {
    bottom: 12px;
    right: 12px;
}

/* --- Header --- */
.header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 2px solid var(--color-border);
}

.header__title {
    font-family: var(--font-primary);
    font-size: 1.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--color-accent);
    text-shadow: 0 0 10px var(--color-accent-glow);
    margin-bottom: var(--spacing-xs);
}

.header__subtitle {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 2px;
}

.header__user {
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

.header__logout {
    color: var(--color-text-secondary);
    text-decoration: none;
    padding: var(--spacing-xs) var(--spacing-sm);
    border: 1px solid var(--color-border);
    border-radius: 2px;
    transition: all var(--transition-fast);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.header__logout:hover {
    color: var(--color-accent);
    border-color: var(--color-accent);
}

/* --- Usage Credits UI --- */
.header__credits {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-right: auto;
    background: rgba(245, 124, 0, 0.1);
    border: 1px solid rgba(245, 124, 0, 0.3);
    padding: 4px 10px;
    border-radius: 4px;
}

.credits-label {
    text-transform: uppercase;
    font-weight: 600;
    color: var(--color-text-secondary);
    font-size: 0.7rem;
    letter-spacing: 1px;
}

.credits-count {
    font-family: var(--font-mono);
    color: var(--color-accent);
    font-weight: 700;
    font-size: 0.9rem;
}

/* --- Form --- */
.form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.field-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.field-group__title {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--color-text-muted);
    padding-bottom: var(--spacing-xs);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.field-group__title::before {
    content: '';
    width: 4px;
    height: 12px;
    background: var(--color-accent);
}

.field {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.field__label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.field__input {
    background: var(--color-bg-input);
    border: 1px solid var(--color-border);
    border-radius: 2px;
    padding: var(--spacing-sm) var(--spacing-md);
    font-family: var(--font-mono);
    font-size: 1rem;
    color: var(--color-text-primary);
    transition: all var(--transition-fast);
    appearance: textfield;
    -moz-appearance: textfield;

    &::-webkit-outer-spin-button,
    &::-webkit-inner-spin-button {
        -webkit-appearance: none;
        margin: 0;
    }

    &:focus {
        outline: none;
        border-color: var(--color-accent);
        box-shadow: 0 0 0 2px var(--color-accent-glow);
    }
}

.field-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

@media (max-width: 480px) {
    .field-grid {
        grid-template-columns: 1fr;
    }
}

/* --- Lockdown System --- */
.form-container {
    position: relative;
}

.form--locked {
    pointer-events: none;
    filter: blur(8px) grayscale(0.8);
    opacity: 0.4;
    user-select: none;
}

.lock-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl);
}

.lock-card {
    background: rgba(26, 26, 26, 0.98);
    border: 2px solid var(--color-accent);
    padding: var(--spacing-lg);
    border-radius: 8px;
    text-align: center;
    box-shadow: 0 0 40px rgba(0, 0, 0, 0.8), 0 0 20px var(--color-accent-glow);
    width: 240px;
    animation: lock-glow 2s infinite alternate;
}

@keyframes lock-glow {
    from {
        box-shadow: 0 0 20px rgba(0, 0, 0, 0.8), 0 0 10px var(--color-accent-glow);
    }

    to {
        box-shadow: 0 0 40px rgba(0, 0, 0, 0.8), 0 0 25px var(--color-accent-glow);
    }
}

.lock-icon {
    width: 32px;
    height: 32px;
    fill: var(--color-accent);
    margin-bottom: 0.5rem;
    filter: drop-shadow(0 0 5px var(--color-accent-glow));
}

.lock-message h3 {
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 0.25rem;
    color: var(--color-accent);
    font-size: 1.1rem;
}

.lock-message p {
    color: var(--color-text-secondary);
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    font-family: var(--font-primary);
    font-size: 1rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    border: none;
    border-radius: 2px;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.btn--primary {
    background: linear-gradient(180deg, var(--color-accent) 0%, #d35400 100%);
    color: #000;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.2);

    &:hover:not(:disabled) {
        background: linear-gradient(180deg, var(--color-accent-hover) 0%, var(--color-accent) 100%);
        box-shadow: 0 4px 16px var(--color-accent-glow), inset 0 1px 0 rgba(255, 255, 255, 0.3);
        transform: translateY(-1px);
    }
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    filter: grayscale(1);
}

.btn--payment {
    background: linear-gradient(135deg, #2ecc71 0%, #27ae60 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(46, 204, 113, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.9rem;
    padding: var(--spacing-sm) var(--spacing-md);

    &:hover {
        background: linear-gradient(135deg, #27ae60 0%, #2ecc71 100%);
        box-shadow: 0 6px 20px rgba(46, 204, 113, 0.5);
        transform: translateY(-2px);
    }
}

.btn--secondary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-text-primary);
    border: 1px solid var(--color-border);

    &:hover {
        background: rgba(255, 255, 255, 0.15);
        border-color: var(--color-text-secondary);
        transform: translateY(-1px);
    }
}

.btn--sm {
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: 0.8rem;
    letter-spacing: 1px;
}

/* --- Results --- */
.results {
    text-align: center;
}

.results__title {
    font-size: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: var(--spacing-lg);
    color: var(--color-accent);
}

.results__value {
    font-family: var(--font-mono);
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-text-primary);
    text-shadow: 0 0 20px var(--color-accent-glow);
    margin-bottom: var(--spacing-xl);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.stats-grid--compact {
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
}

.stat-card {
    background: var(--color-bg-input);
    border: 1px solid var(--color-border);
    padding: var(--spacing-md);
    border-radius: 4px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
}

.stat-card--secondary {
    background: rgba(40, 40, 40, 0.5);
}

.stat-card__label {
    font-size: 0.75rem;
    text-transform: uppercase;
    color: var(--color-text-secondary);
    letter-spacing: 1px;
}

.stat-card__value {
    font-family: var(--font-mono);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-accent);
}

.stat-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
}

.stat-note {
    font-size: 0.7rem;
    color: var(--color-text-muted);
    text-align: center;
    font-style: italic;
    line-height: 1.2;
    margin-top: 2px;
}

.section-title {
    font-size: 1rem;
    text-transform: uppercase;
    color: var(--color-text-muted);
    border-bottom: 1px solid var(--color-border);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-xs);
    letter-spacing: 2px;
}

.table-container {
    background: var(--color-bg-input);
    border-radius: 4px;
    overflow: hidden;
    border: 1px solid var(--color-border);
    margin-bottom: var(--spacing-xl);
}

.parts-table {
    width: 100%;
    border-collapse: collapse;
}

.parts-table th,
.parts-table td {
    padding: var(--spacing-sm) var(--spacing-md);
    text-align: left;
}

.parts-table th {
    background: rgba(0, 0, 0, 0.3);
    font-size: 0.75rem;
    text-transform: uppercase;
    color: var(--color-text-secondary);
}

.parts-table tr:nth-child(even) {
    background: rgba(255, 255, 255, 0.03);
}

.parts-table td {
    font-family: var(--font-mono);
    font-size: 0.9rem;
}

/* --- Utilities --- */
.btn-reset {
    background: none;
    border: none;
    padding: 0;
    font: inherit;
    cursor: pointer;
    outline: inherit;
    text-align: left;
}

.text-center {
    text-align: center;
}

.text-right {
    text-align: right !important;
}

.flex-center {
    display: flex;
    align-items: center;
    justify-content: center;
}

.gap-sm {
    gap: var(--spacing-sm);
}

.gap-md {
    gap: var(--spacing-md);
}

.mt-xs {
    margin-top: var(--spacing-xs);
}

.mt-sm {
    margin-top: var(--spacing-sm);
}

.mt-md {
    margin-top: var(--spacing-md);
}

.mt-lg {
    margin-top: var(--spacing-lg);
}

.link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: color var(--transition-fast);

    &:hover {
        color: var(--color-accent);
    }

    &::before {
        content: '←';
    }
}

/* --- Promo Banner & Timers --- */
.promo-banner {
    background: linear-gradient(90deg, #1a1a1a 0%, var(--color-accent) 50%, #1a1a1a 100%);
    background-size: 200% 100%;
    animation: promo-slide 5s linear infinite;
    color: #000;
    text-align: center;
    padding: 6px;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-bottom: 1px solid var(--color-accent);
    box-shadow: 0 2px 10px rgba(245, 124, 0, 0.3);
    position: sticky;
    top: 0;
    z-index: 1000;
}

@keyframes promo-slide {
    0% { background-position: 100% 0%; }
    100% { background-position: -100% 0%; }
}

.promo-banner span {
    background: rgba(0, 0, 0, 0.8);
    color: var(--color-accent);
    padding: 2px 8px;
    border-radius: 2px;
    margin-left: 10px;
    border: 1px solid var(--color-accent);
}

.btn--demo {
    background: linear-gradient(135deg, #2ecc71 0%, #27ae60 100%);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.1);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
    padding: 4px 12px;
    font-size: 0.8rem;
    border-radius: 4px;
    text-decoration: none;
    transition: all 0.2s ease;
}

.btn--demo:hover {
    background: linear-gradient(135deg, #27ae60 0%, #2ecc71 100%);
    box-shadow: 0 0 10px rgba(46, 204, 113, 0.5);
    transform: translateY(-1px);
}

.lock-timer {
    margin-top: 1rem;
    padding: 8px;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--color-accent);
    border-radius: 4px;
}

.lock-timer__label {
    display: block;
    font-size: 0.7rem;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    margin-bottom: 4px;
}

.lock-timer__value {
    font-family: var(--font-mono);
    font-size: 1.1rem;
    color: var(--color-accent);
    font-weight: 700;
}

/* --- Footer --- */
.footer {
    text-align: center;
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
    font-size: 0.75rem;
    color: var(--color-text-muted);
    letter-spacing: 1px;
}

.footer__link {
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer__link:hover {
    color: var(--color-accent);
}