/* Fonts */
@import url('https://fonts.googleapis.com/css2?family=Archivo:wght@300;400;500;600;700&family=Space+Grotesk:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
    /* Colors from create_qr */
    --color-primary: #1E293B;
    --color-secondary: #334155;
    --color-cta: #22C55E;
    --color-background: #0F172A;
    --color-text: #F8FAFC;
    --color-card-bg: #1E293B;
    --color-input-bg: #0F172A;
    --color-border: rgba(255, 255, 255, 0.05);

    /* Spacing */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 32px;
    --space-2xl: 48px;
    --space-3xl: 64px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);

    --danger: #ef4444;
}

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

body {
    background-color: var(--color-background);
    color: var(--color-text);
    font-family: 'Space Grotesk', sans-serif;
    line-height: 1.5;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: 'Archivo', sans-serif;
    font-weight: 700;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--space-xl) var(--space-md);
    width: 100%;
}

.hero {
    text-align: center;
    padding: var(--space-xl) 0;
}

.hero-title {
    font-size: 3rem;
    background: linear-gradient(135deg, #fff 0%, #94a3b8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: var(--space-sm);
}

.hero-subtitle {
    font-size: 1.125rem;
    color: #94A3B8;
    max-width: 600px;
    margin: 0 auto;
}

/* Layout */
.layout-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
    margin-top: var(--space-xl);
}

@media (max-width: 900px) {
    .layout-grid {
        grid-template-columns: 1fr;
    }
}

.card {
    background: var(--color-card-bg);
    border-radius: 12px;
    padding: var(--space-lg);
    box-shadow: var(--shadow-md);
    transition: border-color 200ms ease;
    border: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

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

.card-title {
    font-size: 1.25rem;
    margin-bottom: 0;
}

/* Mapping Status */
.status-pill {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.75rem;
    color: #94A3B8;
    background: rgba(0, 0, 0, 0.2);
    padding: 4px 12px;
    border-radius: 999px;
    border: 1px solid var(--color-border);
}

.dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: #475569;
}

.status-active .dot {
    background-color: var(--color-cta);
    box-shadow: 0 0 8px var(--color-cta);
}

/* Inputs */
textarea {
    width: 100%;
    height: 300px;
    background-color: var(--color-input-bg);
    border: 1px solid #334155;
    border-radius: 8px;
    padding: var(--space-md);
    color: white;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.9rem;
    resize: none;
    outline: none;
    transition: border-color 200ms ease;
}

textarea:focus {
    border-color: var(--color-cta);
}

.code-output {
    height: 300px;
    background-color: var(--color-input-bg);
    border: 1px solid #334155;
    border-radius: 8px;
    padding: var(--space-md);
    overflow-y: auto;
}

pre {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.9rem;
    color: #E2E8F0;
    white-space: pre-wrap;
    word-break: break-all;
}

pre.empty {
    color: #475569;
    font-style: italic;
}

/* Buttons */
.controls {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 200ms ease;
    border: none;
    font-family: inherit;
}

.btn-primary {
    background: var(--color-cta);
    color: white;
}

.btn-primary:hover {
    opacity: 0.9;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(34, 197, 94, 0.3);
}

.btn-secondary {
    background: transparent;
    color: #E2E8F0;
    border: 2px solid #334155;
}

.btn-secondary:hover {
    border-color: #475569;
    background: rgba(255, 255, 255, 0.05);
}

.btn-danger-outline {
    background: transparent;
    color: #F87171;
    border: 1px solid rgba(248, 113, 113, 0.2);
}

.btn-danger-outline:hover {
    background: rgba(248, 113, 113, 0.05);
    border-color: #F87171;
}

.btn-small {
    padding: 6px 12px;
    font-size: 0.8rem;
}

.btn-link {
    background: transparent;
    border: none;
    color: var(--color-cta);
    cursor: pointer;
    font-size: 0.875rem;
}

.btn-link:hover {
    text-decoration: underline;
}

/* Mapping Tools */
.mapping-footer {
    border-top: 1px solid var(--color-border);
    padding-top: var(--space-md);
    display: flex;
    justify-content: flex-end;
    gap: var(--space-sm);
}

.upload-zone {
    border: 1px dashed #334155;
    border-radius: 8px;
    padding: var(--space-sm);
    text-align: center;
    cursor: pointer;
    transition: all 200ms;
    color: #94A3B8;
    font-size: 0.875rem;
}

.upload-zone:hover {
    border-color: var(--color-cta);
    background: rgba(34, 197, 94, 0.05);
}

.upload-zone input {
    display: none;
}

/* Utils */
.toast {
    position: fixed;
    bottom: var(--space-xl);
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-secondary);
    color: white;
    padding: 12px 24px;
    border-radius: 8px;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    transition: opacity 0.3s;
    z-index: 1000;
}

.toast.show {
    opacity: 1;
}

footer {
    text-align: center;
    margin-top: auto;
    padding: var(--space-xl) 0;
    color: #475569;
    font-size: 0.875rem;
}