/* Amnezia Key Dispenser — стили */

* {
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, sans-serif;
    background: #f5f7fa;
    color: #333;
    margin: 0;
    padding: 0;
    line-height: 1.6;
}

.container {
    max-width: 960px;
    margin: 0 auto;
    padding: 20px;
}

header {
    background: #1e293b;
    color: #fff;
    padding: 15px 0;
    margin-bottom: 30px;
}

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

header h1 {
    margin: 0;
    font-size: 1.3rem;
}

header nav a {
    color: #fff;
    text-decoration: none;
    margin-left: 20px;
    font-size: 0.95rem;
}

header nav a:hover {
    text-decoration: underline;
}

.card {
    background: #fff;
    border-radius: 10px;
    padding: 25px;
    margin-bottom: 20px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    overflow: auto;
}

.card h2 {
    margin-top: 0;
    font-size: 1.2rem;
    color: #1e293b;
}

.flash {
    padding: 12px 16px;
    border-radius: 6px;
    margin-bottom: 20px;
}

.flash.success {
    background: #dcfce7;
    color: #166534;
    border: 1px solid #bbf7d0;
}

.flash.error {
    background: #fee2e2;
    color: #991b1b;
    border: 1px solid #fecaca;
}

form label {
    display: block;
    margin-bottom: 6px;
    font-weight: 500;
    color: #475569;
}

form input[type="text"],
form input[type="password"],
form textarea,
form select {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #cbd5e1;
    border-radius: 6px;
    font-size: 1rem;
    margin-bottom: 16px;
}

form textarea {
    min-height: 120px;
    font-family: monospace;
    resize: vertical;
}

.btn {
    display: inline-block;
    padding: 10px 18px;
    border: none;
    border-radius: 6px;
    font-size: 1rem;
    cursor: pointer;
    text-decoration: none;
    transition: background 0.2s;
}

.btn-primary {
    background: #2563eb;
    color: #fff;
}

.btn-primary:hover {
    background: #1d4ed8;
}

.btn-success {
    background: #16a34a;
    color: #fff;
}

.btn-success:hover {
    background: #15803d;
}

.btn-danger {
    background: #dc2626;
    color: #fff;
}

.btn-danger:hover {
    background: #b91c1c;
}

.btn-secondary {
    background: #64748b;
    color: #fff;
}

.btn-secondary:hover {
    background: #475569;
}

.key-box {
    background: #f1f5f9;
    border: 1px dashed #94a3b8;
    border-radius: 8px;
    padding: 16px;
    font-family: monospace;
    word-break: break-all;
    margin-top: 12px;
    margin-bottom: 12px;
}

.key-meta {
    color: #64748b;
    font-size: 0.9rem;
    margin-bottom: 16px;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 10px;
}

table th,
table td {
    padding: 10px 12px;
    text-align: left;
    border-bottom: 1px solid #e2e8f0;
}

table th {
    background: #f8fafc;
    font-weight: 600;
    color: #475569;
}

table tr:hover {
    background: #f8fafc;
}

.badge {
    display: inline-block;
    padding: 3px 8px;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 500;
}

.badge-available {
    background: #dcfce7;
    color: #166534;
}

.badge-used {
    background: #fee2e2;
    color: #991b1b;
}

.login-wrapper {
    max-width: 400px;
    margin: 80px auto;
}

.tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}

.tabs a {
    padding: 8px 14px;
    background: #e2e8f0;
    color: #334155;
    text-decoration: none;
    border-radius: 6px;
}

.tabs a.active {
    background: #2563eb;
    color: #fff;
}

.empty {
    color: #64748b;
    font-style: italic;
}

@media (max-width: 600px) {
    header .container {
        flex-direction: column;
        align-items: flex-start;
    }
    header nav {
        margin-top: 10px;
    }
    header nav a {
        margin-left: 0;
        margin-right: 15px;
    }
}