:root {
    --bg-color: #f0f0f0;
    --container-bg: #ffffff;
    --text-color: #333333;
    --shadow-color: rgba(0, 0, 0, 0.1);
    --btn-bg: #4CAF50;
    --btn-hover: #45a049;
}

[data-theme="dark"] {
    --bg-color: #121212;
    --container-bg: #1e1e1e;
    --text-color: #e0e0e0;
    --shadow-color: rgba(0, 0, 0, 0.5);
    --btn-bg: #388E3C;
    --btn-hover: #2E7D32;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background-color: var(--bg-color);
    color: var(--text-color);
    margin: 0;
    transition: background-color 0.3s, color 0.3s;
}

.container {
    text-align: center;
    background-color: var(--container-bg);
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 10px 20px var(--shadow-color);
    transition: background-color 0.3s, box-shadow 0.3s;
}

h1 {
    margin-bottom: 30px;
}

#lotto-balls-container {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

#generate-btn {
    padding: 15px 30px;
    font-size: 18px;
    color: white;
    background-color: var(--btn-bg);
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: background-color 0.3s, transform 0.1s;
}

#generate-btn:hover {
    background-color: var(--btn-hover);
}

#generate-btn:active {
    transform: scale(0.98);
}

.travel-form {
    margin-top: 30px;
}

.travel-form h2 {
    margin-bottom: 20px;
}

.form-group {
    margin-bottom: 15px;
    text-align: left;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
}

.form-group input {
    width: 100%;
    padding: 10px;
    border-radius: 5px;
    border: 1px solid var(--text-color);
    background-color: var(--container-bg);
    color: var(--text-color);
    box-sizing: border-box;
}

.rating-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
}

.entry-divider {
    border: 0;
    height: 1px;
    background: var(--shadow-color);
    margin: 20px 0;
}

.form-actions {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 20px;
}

#add-entry-btn {
    width: 100%;
    padding: 12px;
    font-size: 16px;
    color: var(--text-color);
    background-color: transparent;
    border: 2px dashed var(--text-color);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s;
}

#add-entry-btn:hover {
    background-color: var(--shadow-color);
}

#submit-btn {
    width: 100%;
    padding: 12px;
    font-size: 16px;
    color: white;
    background-color: #2196F3;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: background-color 0.3s;
}

#submit-btn:hover {
    background-color: #1976D2;
}

.remove-entry-btn {
    background-color: #f44336;
    color: white;
    border: none;
    padding: 5px 10px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 12px;
    float: right;
    margin-bottom: 10px;
}

.travel-entry {
    position: relative;
    padding-top: 10px;
}

.theme-switch-wrapper {
    position: absolute;
    top: 20px;
    right: 20px;
    display: flex;
    align-items: center;
    gap: 15px;
}

#user-info {
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 10px;
}

#logout-btn {
    padding: 5px 10px;
    border-radius: 4px;
    border: 1px solid #f44336;
    background: transparent;
    color: #f44336;
    cursor: pointer;
}

#logout-btn:hover {
    background: #f44336;
    color: white;
}

.hidden {
    display: none !important;
}

.auth-btn {
    width: 100%;
    padding: 12px;
    background-color: #673AB7;
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    margin-top: 10px;
}

.toggle-auth {
    margin-top: 15px;
    font-size: 14px;
}

.toggle-auth a {
    color: #673AB7;
    text-decoration: none;
    font-weight: bold;
}

select {
    width: 100%;
    padding: 10px;
    border-radius: 5px;
    border: 1px solid var(--text-color);
    background-color: var(--container-bg);
    color: var(--text-color);
}

#theme-toggle {
    padding: 8px 16px;
    border-radius: 20px;
    border: 1px solid var(--text-color);
    background: transparent;
    color: var(--text-color);
    cursor: pointer;
    font-size: 14px;
    transition: all 0.3s;
}

#theme-toggle:hover {
    background: var(--text-color);
    color: var(--container-bg);
}