@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@400;500;700&display=swap');

:root {
    --primary-color: #4a90e2;
    --primary-hover-color: #357abd;
    --background-color: #f4f7f9;
    --card-background: #ffffff;
    --text-color: #333;
    --label-color: #555;
    --border-color: #dce4e9;
    --success-bg: #e1f5e8;
    --success-text: #2e7d32;
    --error-bg: #fdecea;
    --error-text: #c62828;
    --warning-bg: #fff4e5;
    --warning-text: #ef6c00;
}

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

body {
    font-family: 'Roboto', sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
}

.container {
    width: 100%;
    max-width: 600px;
}

.card {
    background: var(--card-background);
    border-radius: 12px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
    padding: 30px 40px;
    border: 1px solid var(--border-color);
}

.login-card {
    max-width: 400px;
    margin: 0 auto;
}

h1 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 10px;
    text-align: center;
    color: var(--primary-color);
}

p {
    margin-bottom: 25px;
    text-align: center;
    line-height: 1.6;
    color: var(--label-color);
}

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.header h1 {
    text-align: left;
    margin-bottom: 0;
}

.logout-btn {
    background: #f1f1f1;
    color: #555;
    padding: 8px 15px;
    border-radius: 6px;
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.logout-btn:hover {
    background: #e0e0e0;
    color: #333;
}

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

label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--label-color);
}

input[type="text"],
input[type="password"],
select {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 16px;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

input[type="text"]:focus,
input[type="password"]:focus,
select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(74, 144, 226, 0.2);
}

select[multiple] {
    height: 250px;
}

.btn {
    width: 100%;
    padding: 14px;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.btn:hover {
    background-color: var(--primary-hover-color);
}

.messages-container {
    margin-bottom: 25px;
    border-radius: 8px;
    overflow: hidden;
}

.message {
    padding: 15px;
    margin-bottom: 1px; /* Creates a fine line between messages */
    border-left: 5px solid;
}

.message:last-child {
    margin-bottom: 0;
}

.message.success {
    background-color: var(--success-bg);
    color: var(--success-text);
    border-color: var(--success-text);
}

.message.error {
    background-color: var(--error-bg);
    color: var(--error-text);
    border-color: var(--error-text);
}

.message.warning {
    background-color: var(--warning-bg);
    color: var(--warning-text);
    border-color: var(--warning-text);
}