/* Global Styles */
:root {
    --who-blue: #0093D5;
    --who-dark-blue: #005EB8;
    --who-light-blue: #E6F4F9;
    --text-dark: #333;
    --text-light: #666;
    --white: #fff;
    --light-gray: #f5f5f5;
    --border-color: #ddd;
    --success: #4CAF50;
    --warning: #FF9800;
    --danger: #F44336;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    color: var(--text-dark);
    line-height: 1.6;
    background: linear-gradient(rgba(0, 147, 213, 0.4), rgba(0, 94, 184, 0.4)), url('../img/bg.jpg');
    background-size: cover;
    background-position: bottom;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}

.container {
    width: 100%;
    max-width: 400px;
    margin: 20px;
}

.btn {
    display: inline-block;
    padding: 12px 24px;
    background-color: var(--who-blue);
    color: var(--white);
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-weight: 600;
    transition: background-color 0.3s;
    width: 100%;
    font-size: 16px;
}

.btn:hover {
    background-color: var(--who-dark-blue);
}

/* Login Card */
.login-card {
    background-color: var(--white);
    border-radius: 8px;
    box-shadow: 0 5px 30px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    width: 100%;
}

.login-header {
    background-color: var(--who-blue);
    color: var(--white);
    padding: 30px 20px;
    text-align: center;
}

.login-header h1 {
    font-size: 24px;
    margin-bottom: 0;
}

.login-header img {
    height: 60px;
    margin-bottom: 0;
}

.login-body {
    padding: 30px;
}

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

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

.form-control {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 16px;
    transition: border-color 0.3s;
}

.form-control:focus {
    border-color: var(--who-blue);
    outline: none;
}

.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    font-size: 14px;
}

.alert {
    padding: 12px 15px;
    border-radius: 4px;
    margin-bottom: 20px;
    display: none;
}

.alert-error {
    background-color: #FFEBEE;
    color: var(--danger);
    border-left: 4px solid var(--danger);
}

.alert-success {
    background-color: #E8F5E9;
    color: var(--success);
    border-left: 4px solid var(--success);
}

.two-factor-section {
    margin-top: 20px;
    display: none;
}

.back-to-login {
    text-align: center;
    margin-top: 20px;
    font-size: 14px;
}