:root {
    --bg: #0f1419;
    --card-bg: #1a1f26;
    --text-primary: #e8eaed;
    --text-secondary: #9ca3af;
    --accent: #3b82f6;
    --border: #2d3748;
    --error: #ef4444;
}

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

body {
    background: var(--bg);
    color: var(--text-primary);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    min-height: 100vh;
}

.authWrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 20px;
}

.authCard {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 32px 24px;
    width: 100%;
    max-width: 380px;
}

.authTitle {
    font-size: 28px;
    font-weight: 700;
    text-align: center;
    color: var(--accent);
}

.authSubtitle {
    text-align: center;
    color: var(--text-secondary);
    font-size: 14px;
    margin-top: 4px;
    margin-bottom: 24px;
}

.authForm {
    display: flex;
    flex-direction: column;
}

.formGroup {
    margin-bottom: 16px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.formGroup label {
    font-size: 13px;
    color: var(--text-secondary);
}

.formGroup input {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 10px 12px;
    color: var(--text-primary);
    font-size: 14px;
}

.formGroup input:focus {
    outline: none;
    border-color: var(--accent);
}

.formError {
    color: var(--error);
    font-size: 13px;
    margin-bottom: 12px;
}

.authButton {
    width: 100%;
    background: var(--accent);
    color: #ffffff;
    border: none;
    border-radius: 6px;
    padding: 12px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.15s ease;
}

.authButton:hover {
    transform: scale(1.02);
}

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

@media (min-width: 480px) {
    .authCard {
        padding: 40px 32px;
    }
}