:root {
    --color-primary: #0f6f5c;
    --color-primary-dark: #0a4f41;
    --color-accent: #25d366;
    --color-bg: #f0fdf9;
    --color-surface: #ffffff;
    --color-text: #1f2521;
    --color-text-subtle: #64748b;
    --shadow-lg: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --radius-md: 12px;
}

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

body {
    font-family: 'Outfit', sans-serif;
    background-color: var(--color-bg);
    background-image: radial-gradient(circle at 10% 20%, rgba(15, 111, 92, 0.05) 0%, transparent 20%),
        radial-gradient(circle at 90% 80%, rgba(37, 211, 102, 0.05) 0%, transparent 20%);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
    color: var(--color-text);
}

.login-container {
    background: var(--color-surface);
    padding: 40px;
    border-radius: 24px;
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 420px;
    text-align: center;
    animation: fadeIn 0.6s ease-out;
}

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

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.logo-area {
    margin-bottom: 32px;
}

.logo-area img {
    height: 135px;
    width: auto;
    margin-bottom: 32px;
}

.logo-area h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
}

.logo-area p {
    color: var(--color-text-subtle);
    font-size: 0.95rem;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text);
}

.form-input {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #e2e8f0;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-family: inherit;
    transition: all 0.3s ease;
    background: #f8fafc;
}

.form-input:focus {
    outline: none;
    border-color: var(--color-primary);
    background: #fff;
    box-shadow: 0 0 0 3px rgba(15, 111, 92, 0.1);
}

.btn-login {
    width: 100%;
    padding: 14px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: white;
    border: none;
    border-radius: 999px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    margin-top: 10px;
}

.btn-login:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px -5px rgba(15, 111, 92, 0.4);
}

.loading {
    opacity: 0.7;
    cursor: wait;
}

.forgot-password {
    display: block;
    margin-top: 20px;
    font-size: 0.9rem;
    color: var(--color-text-subtle);
    text-decoration: none;
    transition: color 0.2s;
}

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

.alert {
    padding: 12px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-size: 0.9rem;
    display: none;
}

.alert-error {
    background-color: #fef2f2;
    color: #ef4444;
    border: 1px solid #fee2e2;
}

.back-link {
    position: absolute;
    top: 20px;
    left: 20px;
    color: var(--color-text-subtle);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.2s;
}

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