:root {
    --minera-orange: #F97316;
    --minera-night: #1A2233;
    --minera-cyan: #00BAFF;
    --minera-bg: #0f1624;
    --minera-surface: #1f2a3c;
    --minera-text: #e6edf5;
    --minera-muted: #a0aec0;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    background: linear-gradient(135deg, rgba(0,186,255,0.12), rgba(26,34,51,0.95)), var(--minera-bg);
    color: var(--minera-text);
    min-height: 100vh;
}

.container {
    max-width: 960px;
    margin: 96px auto 64px;
    padding: 0 24px;
}

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 72px;
    background: rgba(31, 42, 60, 0.92);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 32px;
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.35);
    z-index: 1000;
}

.navbar__brand a {
    display: flex;
    align-items: center;
    color: var(--minera-cyan);
    font-weight: 600;
    text-decoration: none;
    gap: 12px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.navbar__logo {
    height: 36px;
}

.navbar__links a {
    margin-left: 20px;
    color: var(--minera-text);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s ease;
}

.navbar__links a:hover {
    color: var(--minera-orange);
}

.hero {
    display: grid;
    gap: 32px;
    background: rgba(31, 42, 60, 0.75);
    padding: 48px;
    border-radius: 24px;
    box-shadow: 0 20px 45px rgba(0, 0, 0, 0.45);
}

.hero h1 {
    margin: 0;
    font-size: 2.8rem;
    color: var(--minera-cyan);
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    border-radius: 999px;
    border: none;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    background: var(--minera-orange);
    color: var(--minera-night);
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.button:hover {
    transform: translateY(-1px);
    box-shadow: 0 12px 25px rgba(249, 115, 22, 0.35);
}

.card {
    background: rgba(26, 34, 51, 0.85);
    border-radius: 20px;
    padding: 32px;
    box-shadow: 0 16px 30px rgba(0, 0, 0, 0.4);
    margin-bottom: 32px;
}

.card h2 {
    margin-top: 0;
    color: var(--minera-cyan);
}

.form-group {
    display: flex;
    flex-direction: column;
    margin-bottom: 18px;
}

.form-group label {
    margin-bottom: 6px;
    color: var(--minera-muted);
    font-size: 0.95rem;
}

.form-group input, .form-group textarea {
    padding: 12px 16px;
    border-radius: 16px;
    border: 1px solid rgba(0, 186, 255, 0.2);
    background: rgba(15, 22, 36, 0.9);
    color: var(--minera-text);
}

.table {
    width: 100%;
    border-collapse: collapse;
    background: rgba(31, 42, 60, 0.75);
    border-radius: 18px;
    overflow: hidden;
}

.table th, .table td {
    padding: 16px 20px;
    border-bottom: 1px solid rgba(0, 186, 255, 0.1);
}

.table th {
    text-align: left;
    color: var(--minera-cyan);
    font-size: 0.9rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 999px;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.badge--active {
    background: rgba(0, 186, 255, 0.2);
    color: var(--minera-cyan);
}

.badge--inactive {
    background: rgba(249, 115, 22, 0.2);
    color: var(--minera-orange);
}

.footer {
    text-align: center;
    padding: 32px;
    color: var(--minera-muted);
}

.flash {
    background: rgba(249, 115, 22, 0.2);
    color: var(--minera-orange);
    padding: 14px 20px;
    border-radius: 14px;
    margin-bottom: 24px;
}

@media (max-width: 720px) {
    .navbar {
        flex-direction: column;
        height: auto;
        padding: 16px;
        gap: 12px;
    }

    .navbar__links a {
        margin: 0 12px;
    }

    .container {
        margin-top: 120px;
    }
}