/* Basic style reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Arial', sans-serif;
}

body {
    background-color: #f5f5f5;
    color: #333;
    line-height: 1.6;
}

/* Login interface style */
#login-container {
    max-width: 400px;
    margin: 100px auto;
    padding: 30px;
    background-color: white;
    border-radius: 10px;
    box-shadow: 0 0 20px rgba(0,0,0,0.1);
    text-align: center;
}

#login-container h2 {
    margin-bottom: 25px;
    color: #2c3e50;
}

.input-group {
    margin-bottom: 20px;
    text-align: left;
}

.input-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: bold;
    color: #555;
}

.input-group input {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 16px;
}

#login-btn {
    width: 100%;
    padding: 12px;
    background-color: #3498db;
    color: white;
    border: none;
    border-radius: 5px;
    font-size: 16px;
    cursor: pointer;
    transition: background-color 0.3s;
}

#login-btn:hover {
    background-color: #2980b9;
}

.error-message {
    color: #e74c3c;
    margin-top: 15px;
    display: none;
}

/* Editor interface style */
#editor-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* Toolbar style */
#toolbar {
    background-color: white;
    padding: 15px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    margin-bottom: 20px;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
}

#toolbar select, #toolbar input[type="color"] {
    padding: 8px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 14px;
}

#toolbar button {
    padding: 8px 15px;
    background-color: #3498db;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s;
    font-size: 14px;
}

#toolbar button:hover {
    background-color: #2980b9;
}

#toolbar button:active {
    transform: scale(0.98);
}

.alignment-buttons {
    display: flex;
    gap: 5px;
}

.align-btn {
    flex: 1;
    min-width: 50px;
}

/* Editor area style */
#editor {
    min-height: 500px;
    background-color: white;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    margin-bottom: 20px;
    overflow: auto;
}

/* Text box style */
.textbox {
    border: 2px solid #3498db;
    padding: 15px;
    margin: 10px 0;
    border-radius: 5px;
    min-width: 200px;
    min-height: 100px;
    background-color: #f9f9f9;
}

/* Fullscreen mode style */
.fullscreen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 9999;
    background-color: white;
    padding: 30px;
}

.fullscreen #toolbar {
    margin-bottom: 30px;
}

.fullscreen #editor {
    height: calc(100vh - 120px);
    min-height: auto;
}

/* Locked state style */
.locked {
    background-color: #f9f9f9;
    border: 1px dashed #ccc;
}

/* Responsive design */
@media (max-width: 768px) {
    #toolbar {
        flex-direction: column;
        align-items: stretch;
    }

    .alignment-buttons {
        flex-direction: row;
    }

    #editor {
        min-height: 400px;
    }
}