@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

:root {
    --primary: #6366f1;
    --primary-hover: #4f46e5;
    --bg-gradient: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    --text-main: #1f2937;
    --text-muted: #6b7280;
    --error: #ef4444;
    --success: #10b981;
    --white: #ffffff;
    --border: #e5e7eb;
    --radius-lg: 16px;
    --radius-md: 8px;
    --shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
}

body {
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background: var(--bg-gradient);
    padding: 20px;
}

.auth-wrapper {
    width: 100%;
    max-width: 420px;
    animation: fadeIn 0.5s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.auth-form {
    background-color: var(--white);
    padding: 40px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
}

.auth-form h2 {
    margin-bottom: 8px;
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-main);
    text-align: center;
}

.auth-form p.subtitle {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 32px;
}

.form-group {
    margin-bottom: 20px;
}

.auth-form label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 6px;
    color: var(--text-main);
}

.auth-form input {
    width: 100%;
    padding: 12px 16px;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-md);
    font-size: 1rem;
    outline: none;
    transition: all 0.2s ease;
    color: var(--text-main);
}

.auth-form input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
}

.auth-form input::placeholder {
    color: #9ca3af;
}

.auth-form button {
    width: 100%;
    margin-top: 10px;
    padding: 14px;
    border: none;
    border-radius: var(--radius-md);
    background: var(--primary);
    color: white;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

.auth-form button:hover {
    background: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

.auth-form button:active {
    transform: translateY(0);
}

.switch-text {
    margin-top: 24px;
    font-size: 0.9rem;
    color: var(--text-muted);
    text-align: center;
}

.switch-text a {
    color: var(--primary);
    font-weight: 600;
    text-decoration: none;
    margin-left: 4px;
    transition: color 0.2s;
}

.switch-text a:hover {
    color: var(--primary-hover);
    text-decoration: underline;
}

.error-message {
    margin-top: 6px;
    font-size: 0.8rem;
    color: var(--error);
    min-height: 1.2rem;
}

/* For small screens */
@media (max-width: 480px) {
    .auth-form {
        padding: 30px 20px;
    }
}