/* Compact Dark Login Page */
body {
    margin: 0;
    padding: 0;
    background: #0f172a;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

.card {
    background: #1e293b;
    border: 1px solid #334155;
    border-radius: 16px;
    padding: 32px;
    width: 100%;
    max-width: 360px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

h1 {
    font-size: 24px;
    font-weight: 700;
    margin: 0 0 24px 0;
    color: #f1f5f9;
    text-align: center;
}

.error {
    padding: 10px 12px;
    border-radius: 8px;
    background: #7f1d1d;
    color: #fca5a5;
    font-size: 13px;
    margin: 0 0 16px 0;
    display: none;
    border: 1px solid #991b1b;
}

.error.show {
    display: block;
}

label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: #cbd5e1;
    margin: 0 0 6px 0;
}

input {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #475569;
    border-radius: 8px;
    font-size: 14px;
    background: #0f172a;
    color: #f1f5f9;
    box-sizing: border-box;
}

input:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

input:hover {
    border-color: #64748b;
}

input::placeholder {
    color: #64748b;
}

button {
    width: 100%;
    padding: 12px;
    margin: 20px 0 0 0;
    border: none;
    border-radius: 8px;
    background: #667eea;
    color: white;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
}

button:hover {
    background: #5568d3;
}

button:active {
    transform: scale(0.98);
}

button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.remember-me {
    display: flex;
    align-items: center;
    font-size: 13px;
    color: #cbd5e1;
    margin: 12px 0 0 0;
    cursor: pointer;
}

.remember-me input {
    width: auto;
    margin: 0 8px 0 0;
}

.helper {
    color: #64748b;
    font-size: 12px;
    margin: 20px 0 0 0;
    text-align: center;
    padding-top: 16px;
    border-top: 1px solid #334155;
}

.spinner {
    display: none;
}

.spinner.active {
    display: inline-block;
}

@media (max-width: 480px) {
    .card {
        margin: 16px;
        padding: 24px;
    }
}