/* Jack's Tools — Shared Stylesheet */

:root {
    --surface: rgba(255,255,255,0.05);
    --border: rgba(255,255,255,0.1);
    --text: #fff;
    --text-dim: rgba(255,255,255,0.6);
    --accent: #f59e0b;
    --accent-dark: #d97706;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, sans-serif;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    min-height: 100vh;
    color: var(--text);
}

/* ── Navigation ── */
.nav {
    background: rgba(255,255,255,0.1);
    padding: 1rem 2rem;
    display: flex;
    gap: 1.5rem;
    align-items: center;
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    flex-wrap: wrap;
}

.nav .logo {
    font-weight: bold;
    font-size: 1.2rem;
    margin-right: auto;
}

.nav-links {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    flex-wrap: wrap;
}

.nav a {
    color: var(--text);
    text-decoration: none;
    padding: 0.5rem 0.75rem;
    border-radius: 8px;
    transition: all 0.3s;
    font-size: 0.9rem;
    white-space: nowrap;
}

.nav a:hover, .nav a.active {
    background: rgba(255,255,255,0.2);
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.25rem;
}

/* ── Container ── */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

/* ── Cards ── */
.card {
    background: var(--surface);
    border-radius: 16px;
    padding: 2rem;
    margin-bottom: 1.5rem;
    border: 1px solid var(--border);
    backdrop-filter: blur(10px);
}

.card h2 {
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* ── Grid ── */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

/* ── Stats ── */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
    margin: 1.5rem 0;
}

.stat-box {
    background: var(--surface);
    padding: 1rem;
    border-radius: 8px;
    text-align: center;
}

.stat-box .value {
    font-size: 1.5rem;
    font-weight: bold;
    color: #4CAF50;
}

.stat-box .label {
    font-size: 0.8rem;
    color: var(--text-dim);
    margin-top: 0.25rem;
}

/* ── Tables ── */
.results-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
}

.results-table th, .results-table td {
    padding: 0.75rem;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.results-table th {
    color: var(--text-dim);
    font-weight: normal;
    font-size: 0.85rem;
}

.results-table tr:hover {
    background: var(--surface);
}

/* ── Shared form styles ── */
input[type="text"], input[type="number"], input[type="password"], input[type="date"],
input[type="time"], select, textarea {
    padding: 10px 12px;
    border-radius: 8px;
    border: 1px solid #2a3654;
    background: #1a2234;
    color: var(--text);
    font-size: 0.95rem;
}

button, .btn {
    padding: 10px 20px;
    border-radius: 8px;
    border: none;
    background: var(--accent);
    color: #000;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
}

button:hover, .btn:hover {
    background: var(--accent-dark);
}

/* ── Loading / Error ── */
.loading {
    display: none;
    text-align: center;
    padding: 3rem;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: 0 auto 1rem;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.error {
    display: none;
    background: rgba(239,68,68,0.1);
    border: 1px solid rgba(239,68,68,0.3);
    border-radius: 8px;
    padding: 1rem;
    color: #fca5a5;
    margin-bottom: 1rem;
}

.hidden { display: none !important; }

/* ── Responsive ── */
@media (max-width: 768px) {
    .container {
        padding: 1rem;
    }

    .nav {
        padding: 0.75rem 1rem;
    }

    .nav-toggle {
        display: block;
    }

    .nav-links {
        display: none;
        width: 100%;
        flex-direction: column;
        gap: 0.25rem;
        padding-top: 0.5rem;
    }

    .nav-links.open {
        display: flex;
    }

    .nav-links a {
        width: 100%;
        padding: 0.75rem 1rem;
    }

    .card {
        padding: 1.25rem;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}