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

:root {
    --green-primary: #3a7d34;
    --green-dark: #2a5c26;
    --green-light: #6abf4b;
    --blue-accent: #2c5aa0;
    --bg-gradient: linear-gradient(135deg, #e8f5e9 0%, #c8e6c9 50%, #a5d6a7 100%);
    --white: #ffffff;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-400: #9ca3af;
    --gray-600: #4b5563;
    --gray-800: #1f2937;
    --red-500: #ef4444;
    --red-50: #fef2f2;
    --green-50: #f0fdf4;
    --green-600: #16a34a;
    --shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.12);
    --radius: 12px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
    background: var(--bg-gradient);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-800);
    line-height: 1.6;
}

.auth-container {
    width: 100%;
    max-width: 440px;
    padding: 20px;
}

.auth-card {
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    padding: 40px 36px;
    position: relative;
    overflow: hidden;
}

.auth-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--green-primary), var(--green-light), var(--blue-accent));
}

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

.logo-wrapper img {
    width: 180px;
    height: auto;
}

h1 {
    font-size: 1.5rem;
    font-weight: 700;
    text-align: center;
    color: var(--gray-800);
    margin-bottom: 8px;
}

.subtitle {
    text-align: center;
    color: var(--gray-400);
    font-size: 0.9rem;
    margin-bottom: 28px;
}

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

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--gray-600);
    margin-bottom: 6px;
}

.form-group input {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--gray-200);
    border-radius: 8px;
    font-size: 0.95rem;
    transition: var(--transition);
    outline: none;
    background: var(--gray-50);
}

.form-group input:focus {
    border-color: var(--green-primary);
    background: var(--white);
    box-shadow: 0 0 0 3px rgba(58, 125, 52, 0.1);
}

.form-group input::placeholder {
    color: var(--gray-400);
}

.password-wrapper {
    position: relative;
}

.password-toggle {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    cursor: pointer;
    color: var(--gray-400);
    font-size: 1.1rem;
    padding: 4px;
    transition: var(--transition);
}

.password-toggle:hover {
    color: var(--green-primary);
}

.btn {
    width: 100%;
    padding: 13px 24px;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--green-primary), var(--green-dark));
    color: var(--white);
    box-shadow: 0 4px 12px rgba(58, 125, 52, 0.3);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(58, 125, 52, 0.4);
}

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

.forgot-link {
    display: block;
    text-align: center;
    margin-top: 20px;
    color: var(--blue-accent);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    transition: var(--transition);
}

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

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    color: var(--gray-400);
    text-decoration: none;
    font-size: 0.85rem;
    margin-bottom: 20px;
    transition: var(--transition);
}

.back-link:hover {
    color: var(--green-primary);
}

.alert {
    padding: 12px 16px;
    border-radius: 8px;
    font-size: 0.875rem;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.alert-error {
    background: var(--red-50);
    color: var(--red-500);
    border: 1px solid #fecaca;
}

.alert-success {
    background: var(--green-50);
    color: var(--green-600);
    border: 1px solid #bbf7d0;
}

.password-rules {
    background: var(--gray-50);
    border-radius: 8px;
    padding: 14px 16px;
    margin-bottom: 20px;
    font-size: 0.8rem;
    color: var(--gray-600);
}

.password-rules p {
    font-weight: 600;
    margin-bottom: 6px;
}

.password-rules ul {
    list-style: none;
    padding: 0;
}

.password-rules ul li {
    padding: 2px 0;
    padding-left: 18px;
    position: relative;
}

.password-rules ul li::before {
    content: '•';
    position: absolute;
    left: 4px;
    color: var(--green-primary);
}

.footer-text {
    text-align: center;
    margin-top: 24px;
    font-size: 0.75rem;
    color: var(--gray-400);
}

@media (max-width: 480px) {
    .auth-card {
        padding: 28px 24px;
    }

    .logo-wrapper img {
        width: 140px;
    }

    h1 {
        font-size: 1.25rem;
    }
}