/* GateOn Remote — Web UI */

:root {
    --color-bg: #0f1117;
    --color-surface: #1a1d27;
    --color-border: #2a2d3a;
    --color-primary: #3b82f6;
    --color-primary-hover: #2563eb;
    --color-text: #e2e8f0;
    --color-text-muted: #94a3b8;
    --color-error: #ef4444;
    --color-success: #22c55e;
    --radius: 8px;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background-color: var(--color-bg);
    color: var(--color-text);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.auth-container {
    width: 100%;
    max-width: 420px;
    padding: 2rem;
}

.auth-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 2rem;
}

.auth-header {
    text-align: center;
    margin-bottom: 2rem;
}

.auth-header h1 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.auth-header p {
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--color-text-muted);
}

.form-group input {
    width: 100%;
    padding: 0.75rem 1rem;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    color: var(--color-text);
    font-size: 0.9375rem;
    outline: none;
    transition: border-color 0.2s;
}

.form-group input:focus {
    border-color: var(--color-primary);
}

.form-group input.invalid {
    border-color: var(--color-error);
}

.field-error {
    color: var(--color-error);
    font-size: 0.75rem;
    margin-top: 0.375rem;
}

.password-hint {
    color: var(--color-text-muted);
    font-size: 0.75rem;
    margin-top: 0.375rem;
}

.btn-primary {
    width: 100%;
    padding: 0.75rem;
    background: var(--color-primary);
    color: white;
    border: none;
    border-radius: var(--radius);
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.2s;
    margin-top: 0.5rem;
}

.btn-primary:hover:not(:disabled) {
    background: var(--color-primary-hover);
}

.btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.auth-footer {
    text-align: center;
    margin-top: 1.5rem;
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

.auth-footer a {
    color: var(--color-primary);
    text-decoration: none;
}

.auth-footer a:hover {
    text-decoration: underline;
}

.alert {
    padding: 0.75rem 1rem;
    border-radius: var(--radius);
    font-size: 0.875rem;
    margin-bottom: 1.25rem;
}

.alert-error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: var(--color-error);
}

.alert-success {
    background: rgba(34, 197, 94, 0.1);
    border: 1px solid rgba(34, 197, 94, 0.3);
    color: var(--color-success);
}