html, body {
    height: 100%;
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: #f0f2f5;
}

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

.login-card {
    width: 100%;
    max-width: 380px;
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.login-header {
    background: #075e54;
    color: #fff;
    padding: 24px;
    text-align: center;
}

.login-header i {
    font-size: 2.5rem;
    display: block;
    margin-bottom: 8px;
}

.login-header h1 {
    font-size: 1.2rem;
    margin: 0;
    font-weight: 500;
}

.login-body {
    padding: 24px;
}

.login-error {
    background: #f8d7da;
    color: #721c24;
    padding: 10px 14px;
    border-radius: 6px;
    font-size: 0.85rem;
    margin-bottom: 16px;
    border: 1px solid #f5c6cb;
}

.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    color: #54656f;
    margin-bottom: 4px;
    font-weight: 500;
}

.form-group input {
    width: 100%;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    padding: 10px 14px;
    font-size: 0.9rem;
    outline: none;
    box-sizing: border-box;
    transition: box-shadow 0.15s;
}

.form-group input:focus {
    box-shadow: 0 0 0 2px rgba(7, 94, 84, 0.2);
    border-color: #075e54;
}

.login-btn {
    width: 100%;
    background: #075e54;
    color: #fff;
    border: none;
    border-radius: 8px;
    padding: 12px;
    font-size: 0.95rem;
    cursor: pointer;
    transition: background 0.15s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.login-btn:hover {
    background: #064e46;
}