:root {
    --primary: #ffffff;
    --secondary: #00a79d;
    --tertiary: #11c26f;
    --surface-soft: #fbfffe;
    --text-main: #18322f;
}

body {
    background-color: var(--primary);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.login-container {
    background: var(--primary);
    border-radius: 15px;
    box-shadow: 0 8px 24px rgb(0 0 0 / 8%);
    padding: 40px;
    max-width: 450px;
    width: 100%;
    border: 1px solid rgb(0 0 0 / 8%);
}

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

.login-header h1 {
    color: var(--secondary);
    font-weight: 700;
    font-size: 28px;
    margin-bottom: 5px;
}

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

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

.form-control {
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    padding: 12px 15px;
    font-size: 14px;
    transition: all 0.3s ease;
}

.form-control:focus {
    border-color: var(--secondary);
    box-shadow: 0 0 0 3px rgb(0 167 157 / 16%);
}

.btn-primary {
    background-color: var(--secondary);
    border: 1px solid var(--secondary);
    border-radius: 8px;
    padding: 12px;
    font-weight: 600;
    width: 100%;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background-color: rgb(0 167 157 / 90%);
    border-color: rgb(0 167 157 / 90%);
    transform: translateY(-2px);
    box-shadow: 0 5px 16px rgb(0 167 157 / 22%);
}

.btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.alert {
    border-radius: 8px;
    border: none;
    margin-bottom: 20px;
}

.test-users {
    background: var(--surface-soft);
    border-radius: 10px;
    padding: 15px;
    margin-top: 25px;
    border-left: 3px solid rgb(0 167 157 / 35%);
    font-size: 13px;
}

.test-users h6 {
    color: var(--secondary);
    font-weight: 600;
    margin-bottom: 10px;
    font-size: 13px;
    text-transform: uppercase;
}

.test-users code {
    color: var(--secondary);
    font-weight: 600;
}

.form-label {
    font-weight: 600;
    color: #333;
    font-size: 14px;
    margin-bottom: 8px;
}

.spinner-border-sm {
    width: 1rem;
    height: 1rem;
    margin-right: 8px;
}