/* ===== AUTH PAGES (login, register) ===== */
:root {
    --bg-main: #0f172a;
    --bg-card: #1e293b;
    --bg-input: #0f172a;
    --text-heading: #f1f5f9;
    --text-primary: #cbd5e1;
    --text-muted: #64748b;
    --accent-blue: #3b82f6;
    --accent-blue-hover: #2563eb;
    --accent-green: #22c55e;
    --accent-red: #ef4444;
    --border-color: #334155;
    --border-focus: #3b82f6;
    --radius: 8px;
}

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

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

.auth-container {
    width: 100%;
    max-width: 420px;
    padding: 24px;
}

.auth-logo {
    text-align: center;
    margin-bottom: 32px;
}

.auth-logo svg {
    margin-bottom: 12px;
}

.auth-logo h1 {
    color: var(--text-heading);
    font-size: 22px;
    font-weight: 700;
}

.auth-logo p {
    color: var(--text-muted);
    font-size: 14px;
    margin-top: 4px;
}

.auth-card {
    background: var(--bg-card);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    padding: 32px;
}

.auth-card h2 {
    color: var(--text-heading);
    font-size: 18px;
    margin-bottom: 24px;
    text-align: center;
}

.form-group {
    margin-bottom: 16px;
}

.form-label {
    display: block;
    color: var(--text-primary);
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 6px;
}

.form-input {
    width: 100%;
    padding: 10px 14px;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    color: var(--text-heading);
    font-size: 14px;
    outline: none;
    transition: border-color 0.2s;
}

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

.btn-primary {
    width: 100%;
    padding: 12px;
    background: var(--accent-blue);
    color: #fff;
    border: none;
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
    margin-top: 8px;
}

.btn-primary:hover {
    background: var(--accent-blue-hover);
}

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

.auth-footer {
    text-align: center;
    margin-top: 20px;
    font-size: 13px;
    color: var(--text-muted);
}

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

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

.alert {
    padding: 10px 14px;
    border-radius: var(--radius);
    font-size: 13px;
    margin-bottom: 16px;
    display: none;
}

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

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

.auth-back {
    display: block;
    text-align: center;
    margin-top: 24px;
    color: var(--text-muted);
    font-size: 13px;
    text-decoration: none;
}

.auth-back:hover {
    color: var(--text-primary);
}