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

:root {
    --bg:         #0f0f12;
    --surface:    #1a1a22;
    --surface2:   #22222e;
    --border:     #2e2e3e;
    --accent:     #3d8eff;
    --accent-dim: #1e4e99;
    --text:       #d8dae8;
    --text-dim:   #7a7c90;
    --green:      #44cc77;
    --red:        #e84040;
    --radius:     8px;
    --font:       'Inter', 'Segoe UI', system-ui, sans-serif;
}

html, body {
    height: 100%;
    background: var(--bg);
    color: var(--text);
    font-family: var(--font);
    font-size: 14px;
    line-height: 1.5;
}

/* ── Layout ─────────────────────────────────────────────────────────────────── */
body {
    display: flex;
    flex-direction: column;
    align-items: center;
    min-height: 100vh;
    padding: 32px 16px 64px;
}

.container {
    width: 100%;
    max-width: 760px;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

/* ── Header ─────────────────────────────────────────────────────────────────── */
header {
    text-align: center;
}

header h1 {
    font-size: 22px;
    font-weight: 600;
    letter-spacing: -0.02em;
    color: #fff;
}

.header-intro {
    margin-top: 8px;
    color: var(--text-dim);
    font-size: 13.5px;
    line-height: 1.65;
    max-width: 620px;
}
.header-intro a { color: var(--accent); text-decoration: none; }
.header-intro a:hover { text-decoration: underline; }
.header-intro strong { color: var(--text); font-weight: 500; }
.header-intro code {
    background: var(--surface2);
    padding: 1px 5px;
    border-radius: 3px;
    font-size: 12px;
}

/* ── Cards ──────────────────────────────────────────────────────────────────── */
.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.card-title {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-dim);
}

/* ── Textarea ───────────────────────────────────────────────────────────────── */
#text-input {
    width: 100%;
    min-height: 280px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
    font-family: 'JetBrains Mono', 'Fira Mono', 'Cascadia Code', monospace;
    font-size: 12.5px;
    line-height: 1.6;
    padding: 14px 16px;
    resize: vertical;
    outline: none;
    tab-size: 4;
    transition: border-color 0.15s;
}

#text-input:focus { border-color: var(--accent-dim); }

/* ── Generate row (CC input + button) ───────────────────────────────────────── */
.gen-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.cc-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: var(--text-dim);
    white-space: nowrap;
}

.cc-label input[type="number"] {
    width: 56px;
    padding: 6px 8px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
    font-size: 13px;
    font-family: 'JetBrains Mono', 'Fira Mono', monospace;
    text-align: center;
    outline: none;
    -moz-appearance: textfield;
    appearance: textfield;
    transition: border-color 0.15s;
}
.cc-label input[type="number"]::-webkit-inner-spin-button,
.cc-label input[type="number"]::-webkit-outer-spin-button { -webkit-appearance: none; }
.cc-label input[type="number"]:focus { border-color: var(--accent-dim); }

/* ── Generate button ────────────────────────────────────────────────────────── */
#generate-btn {
    flex-shrink: 0;
    padding: 10px 28px;
    background: var(--accent);
    color: #fff;
    border: none;
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.15s, opacity 0.15s;
}

#generate-btn:hover:not(:disabled) { background: #5ba0ff; }
#generate-btn:disabled { opacity: 0.45; cursor: not-allowed; }

/* ── Results ────────────────────────────────────────────────────────────────── */
#results {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.dl-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    background: var(--surface2);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    cursor: pointer;
    font-size: 13px;
    color: var(--text);
    transition: border-color 0.15s, background 0.15s;
    text-align: left;
    width: 100%;
}

.dl-btn:hover {
    border-color: var(--accent);
    background: color-mix(in srgb, var(--accent) 6%, var(--surface2));
}

.dl-icon {
    font-size: 18px;
    flex-shrink: 0;
}

.dl-label {
    display: flex;
    flex-direction: column;
    gap: 1px;
}

.dl-name {
    font-weight: 500;
    font-family: 'JetBrains Mono', 'Fira Mono', monospace;
    font-size: 12px;
    color: var(--accent);
}

.dl-desc {
    font-size: 11px;
    color: var(--text-dim);
}

/* ── Status / error ─────────────────────────────────────────────────────────── */
#status {
    font-size: 12px;
    color: var(--green);
    background: color-mix(in srgb, var(--green) 8%, transparent);
    border: 1px solid color-mix(in srgb, var(--green) 30%, transparent);
    border-radius: var(--radius);
    padding: 10px 14px;
    font-family: 'JetBrains Mono', 'Fira Mono', monospace;
}

#error {
    font-size: 13px;
    color: var(--red);
    background: color-mix(in srgb, var(--red) 8%, transparent);
    border: 1px solid color-mix(in srgb, var(--red) 30%, transparent);
    border-radius: var(--radius);
    padding: 10px 14px;
}

[hidden] { display: none !important; }

/* ── Instructions card ──────────────────────────────────────────────────────── */
#instructions {
    cursor: pointer;
}
#instructions summary {
    display: flex;
    align-items: center;
    gap: 10px;
    list-style: none;
    user-select: none;
}
#instructions summary::-webkit-details-marker { display: none; }

.summary-hint {
    font-size: 11px;
    color: var(--text-dim);
    margin-left: auto;
}
/* Hint text via CSS so it flips automatically */
.summary-hint::after { content: 'click to collapse'; }
#instructions:not([open]) .summary-hint::after { content: 'click to expand'; }

.instr-body {
    display: flex;
    flex-direction: column;
    gap: 14px;
    margin-top: 14px;
}

.syntax-block pre {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 12px 16px;
    font-family: 'JetBrains Mono', 'Fira Mono', 'Cascadia Code', monospace;
    font-size: 12.5px;
    color: var(--accent);
    overflow-x: auto;
}

.ref-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 12.5px;
}
.ref-table th {
    text-align: left;
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.07em;
    text-transform: uppercase;
    color: var(--text-dim);
    padding: 0 8px 6px 0;
    border-bottom: 1px solid var(--border);
}
.ref-table td {
    padding: 6px 8px 6px 0;
    vertical-align: top;
    border-bottom: 1px solid color-mix(in srgb, var(--border) 50%, transparent);
    color: var(--text);
}
.ref-table td:first-child { white-space: nowrap; }
.ref-table code {
    background: var(--surface2);
    padding: 1px 5px;
    border-radius: 3px;
    font-size: 11.5px;
    color: var(--accent);
}

.instr-note {
    font-size: 12px;
    color: var(--text-dim);
    line-height: 1.6;
}
.instr-note code {
    background: var(--surface2);
    padding: 1px 5px;
    border-radius: 3px;
    font-size: 11px;
    color: var(--text);
}

.example-details summary {
    font-size: 12px;
    color: var(--text-dim);
    cursor: pointer;
    user-select: none;
    padding: 4px 0;
}
.example-code {
    margin-top: 10px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 12px 16px;
    font-family: 'JetBrains Mono', 'Fira Mono', monospace;
    font-size: 12px;
    color: var(--text-dim);
    overflow-x: auto;
    line-height: 1.7;
}

/* ── Footer ─────────────────────────────────────────────────────────────────── */
footer {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 16px;
    font-size: 11px;
    color: var(--text-dim);
}
.footer-sep { opacity: 0.4; }
.build-version {
    font-family: 'JetBrains Mono', 'Fira Mono', monospace;
    font-size: 10px;
    opacity: 0.5;
}
.impressum-link {
    background: none;
    border: none;
    padding: 0;
    color: var(--text-dim);
    font-size: 11px;
    opacity: 0.45;
    cursor: pointer;
    text-decoration: underline;
    text-underline-offset: 2px;
    text-decoration-color: transparent;
    transition: opacity 0.15s, text-decoration-color 0.15s;
}
.impressum-link:hover {
    opacity: 0.8;
    text-decoration-color: var(--text-dim);
}

/* ── Show-example inline button ─────────────────────────────────────────────── */
.show-example-inline {
    background: none;
    border: none;
    padding: 0;
    color: var(--accent);
    font-size: 12px;
    cursor: pointer;
    opacity: 0.8;
    transition: opacity 0.15s;
}
.show-example-inline:hover { opacity: 1; text-decoration: underline; }

/* ── Welcome / onboarding overlay ───────────────────────────────────────────── */
#welcome-dialog {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
    padding: 0;
    max-width: 900px;
    width: calc(100% - 32px);
    box-shadow: 0 12px 48px rgba(0,0,0,0.7);
    overflow: hidden;
}
#welcome-dialog::backdrop {
    background: rgba(0,0,0,0.65);
    backdrop-filter: blur(3px);
}
.welcome-close {
    position: absolute;
    top: 12px;
    right: 14px;
}
.welcome-body {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
}
.welcome-col {
    padding: 28px 24px 20px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.welcome-col-code { border-right: 1px solid var(--border); }
.welcome-label {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-dim);
    margin: 0;
}
.welcome-code {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 12px 14px;
    font-family: 'JetBrains Mono', 'Fira Mono', 'Cascadia Code', monospace;
    font-size: 11px;
    line-height: 1.65;
    color: var(--text-dim);
    overflow-y: auto;
    max-height: 320px;
    margin: 0;
    flex: 1;
}
.welcome-screenshot {
    width: 100%;
    border-radius: calc(var(--radius) - 2px);
    border: 1px solid var(--border);
    object-fit: cover;
    flex: 1;
    min-height: 0;
}
.welcome-footer {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 24px;
    border-top: 1px solid var(--border);
    background: var(--bg);
}
.welcome-try {
    padding: 10px 22px;
    background: var(--accent);
    color: #fff;
    border: none;
    border-radius: var(--radius);
    font-size: 13.5px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.15s;
}
.welcome-try:hover { background: #5ba0ff; }
.welcome-skip {
    background: none;
    border: none;
    color: var(--text-dim);
    font-size: 12px;
    cursor: pointer;
    padding: 0;
    opacity: 0.7;
    transition: opacity 0.15s;
}
.welcome-skip:hover { opacity: 1; }

@media (max-width: 600px) {
    .welcome-body { grid-template-columns: 1fr; }
    .welcome-col-code { border-right: none; border-bottom: 1px solid var(--border); }
    .welcome-code { max-height: 180px; }
}

/* ── Impressum modal ────────────────────────────────────────────────────────── */
#impressum-dialog {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
    padding: 0;
    max-width: 480px;
    width: calc(100% - 32px);
    box-shadow: 0 8px 32px rgba(0,0,0,0.6);
}
#impressum-dialog::backdrop {
    background: rgba(0,0,0,0.55);
    backdrop-filter: blur(2px);
}
.imp-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 18px;
    border-bottom: 1px solid var(--border);
    font-size: 13px;
    font-weight: 600;
    color: var(--text-dim);
    letter-spacing: 0.04em;
    text-transform: uppercase;
}
.imp-close {
    background: none;
    border: none;
    color: var(--text-dim);
    font-size: 14px;
    cursor: pointer;
    padding: 2px 4px;
    line-height: 1;
    opacity: 0.6;
    transition: opacity 0.15s;
}
.imp-close:hover { opacity: 1; }
.imp-body {
    padding: 18px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    font-size: 13px;
    line-height: 1.6;
    color: var(--text-dim);
}
.imp-body strong { color: var(--text); }
.imp-body a { color: var(--accent); text-decoration: none; }
.imp-body a:hover { text-decoration: underline; }