:root {
    --bg: #0f1115;
    --panel: #171a21;
    --border: #262b36;
    --text: #e4e6eb;
    --muted: #8b919e;
    --accent: #3ddc97;
    --danger: #ff5c5c;
    color-scheme: dark;
}

[data-theme="light"] {
    --bg: #f5f6f8;
    --panel: #ffffff;
    --border: #dde1e7;
    --text: #1a1d24;
    --muted: #6b7280;
    --accent: #1f9d6f;
    --danger: #d6362f;
    color-scheme: light;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    line-height: 1.5;
}

.wrap {
    max-width: 960px;
    margin: 0 auto;
    padding: 0 16px;
}

.site-header {
    border-bottom: 1px solid var(--border);
    padding: 16px 0;
}

.site-header .wrap {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}

.logo {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text);
    text-decoration: none;
}

.logo span { color: var(--accent); }

nav a {
    color: var(--muted);
    text-decoration: none;
    margin-left: 18px;
    font-size: .95rem;
}

nav a:first-child { margin-left: 0; }

nav a:hover { color: var(--accent); }

.lang-switch { display: flex; gap: 8px; }
.lang-switch a {
    color: var(--muted);
    text-decoration: none;
    font-size: .8rem;
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 3px 7px;
}
.lang-switch a.active { color: var(--accent); border-color: var(--accent); }
.lang-switch a:hover { color: var(--text); }

.theme-toggle {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text);
    border-radius: 4px;
    padding: 3px 8px;
    font-size: 13px;
    line-height: 1;
    cursor: pointer;
}
.theme-toggle:hover { border-color: var(--accent); }

.ad-slot {
    border: 1px dashed var(--border);
    color: var(--muted);
    text-align: center;
    font-size: .8rem;
    padding: 10px;
    margin: 16px auto;
    border-radius: 6px;
}

.ad-slot-top, .ad-slot-bottom { min-height: 60px; }
.ad-slot-sidebar { min-height: 200px; }

main { padding: 24px 0 40px; }

.panel {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 24px;
    margin-bottom: 20px;
}

h1 { font-size: 1.6rem; margin-top: 0; }

.beta-badge {
    display: inline-block;
    vertical-align: middle;
    font-size: .65rem;
    font-weight: 700;
    letter-spacing: .05em;
    color: var(--accent);
    border: 1px solid var(--accent);
    border-radius: 4px;
    padding: 2px 8px;
    margin-left: 8px;
}

form.tool-form { display: flex; gap: 10px; flex-wrap: wrap; margin: 16px 0; }

input[type=text] {
    flex: 1;
    min-width: 220px;
    padding: 10px 12px;
    border-radius: 6px;
    border: 1px solid var(--border);
    background: var(--bg);
    color: var(--text);
    font-size: 1rem;
}

input[list] {
    flex: initial;
    min-width: 140px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%238b919e'%3E%3Cpath d='M4 6l4 4 4-4z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 10px center;
    background-size: 14px;
    padding-right: 32px;
}

input[list]::-webkit-calendar-picker-indicator {
    display: none !important;
}

button {
    background: var(--accent);
    color: #06120c;
    border: none;
    border-radius: 6px;
    padding: 10px 20px;
    font-weight: 600;
    cursor: pointer;
    font-size: 1rem;
}

button:hover { opacity: .9; }

pre.output {
    background: #0a0c10;
    color: #e4e6eb;
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 16px;
    overflow-x: auto;
    white-space: pre-wrap;
    word-break: break-word;
    font-size: .9rem;
}

.error { color: var(--danger); font-weight: 600; }
.success { color: var(--accent); font-weight: 600; }
.muted { color: var(--muted); font-size: .85rem; }

.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
}

.tools-grid a {
    display: block;
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 20px;
    color: var(--text);
    text-decoration: none;
}

.tools-grid a:hover { border-color: var(--accent); }

.tools-grid h2 { margin: 0 0 6px; font-size: 1.1rem; }

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 6px 10px; border-bottom: 1px solid var(--border); }

.site-footer {
    border-top: 1px solid var(--border);
    padding: 16px 0;
    color: var(--muted);
    font-size: .85rem;
}

.consent-banner {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--panel);
    border-top: 1px solid var(--border);
    padding: 16px 0;
    z-index: 1000;
    box-shadow: 0 -4px 16px rgba(0, 0, 0, .4);
}

.consent-banner-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
}

.consent-banner-inner p {
    margin: 0;
    font-size: .9rem;
    color: var(--text);
    flex: 1;
    min-width: 220px;
}

.consent-actions {
    display: flex;
    gap: 10px;
    flex-shrink: 0;
}

.btn-secondary {
    background: transparent;
    color: var(--text);
    border: 1px solid var(--border);
}