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

:root {
    --primary: #6c5ce7;
    --primary-dark: #5f4fd1;
    --secondary: #8b5cf6;
    --success: #00b894;
    --danger: #d63031;
    --text: #2d3436;
    --text-light: #636e72;
    --border: #dfe6e9;
    --bg: #f8f9fa;
    --card-bg: #ffffff;
    --shadow: 0 4px 20px rgba(108, 92, 231, 0.1);
    --shadow-hover: 0 8px 30px rgba(108, 92, 231, 0.15);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.auth-container {
    width: 100%;
    max-width: 450px;
}

.auth-card {
    background: var(--card-bg);
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    padding: 40px;
    animation: slideUp 0.5s ease;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.auth-header {
    text-align: center;
    margin-bottom: 30px;
}

.auth-header h1 {
    font-size: 28px;
    font-weight: 800;
    color: var(--text);
    margin-bottom: 8px;
}

.auth-header p {
    font-size: 14px;
    color: var(--text-light);
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 14px;
    font-weight: 600;
    color: var(--text);
}

.form-group input,
.form-group textarea {
    padding: 12px 16px;
    font-size: 14px;
    border: 2px solid var(--border);
    border-radius: 10px;
    outline: none;
    transition: all 0.3s ease;
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(108, 92, 231, 0.1);
}

.form-footer {
    display: flex;
    justify-content: flex-end;
    margin-top: -10px;
}

.forgot-link {
    font-size: 13px;
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.forgot-link:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

.btn {
    padding: 14px 24px;
    font-size: 15px;
    font-weight: 700;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
    text-align: center;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    box-shadow: var(--shadow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

.btn-primary:active {
    transform: translateY(0);
}

.alert {
    padding: 14px 18px;
    border-radius: 10px;
    font-size: 14px;
    margin-bottom: 20px;
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.alert-error {
    background: #ffe5e5;
    color: var(--danger);
    border: 2px solid var(--danger);
}

.alert-success {
    background: #e5f9f3;
    color: var(--success);
    border: 2px solid var(--success);
}

.auth-footer {
    text-align: center;
    margin-top: 25px;
    padding-top: 25px;
    border-top: 1px solid var(--border);
}

.auth-footer p {
    font-size: 14px;
    color: var(--text-light);
    margin-bottom: 8px;
}

.auth-footer a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

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

@media (max-width: 480px) {
    .auth-card {
        padding: 30px 24px;
    }

    .auth-header h1 {
        font-size: 24px;
    }
}