* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Misa', 'Microsoft YaHei', 'PingFang SC', 'HarmonyOS Sans SC', sans-serif;
}

:root {
    --primary-color: #3498db;
    --secondary-color: #2c3e50;
    --accent-color: #e74c3c;
    --light-color: #ecf0f1;
    --dark-color: #34495e;
    --text-color: #333;
    --bg-color: #f5f7fa;
    --card-bg: #ffffff;
    --header-bg: #2c3e50;
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
    --success-color: #27ae60;
    --error-color: #e74c3c;
    --warning-color: #f39c12;
    --status-default-bg: rgba(52, 152, 219, 0.1);
    --status-success-bg: rgba(39, 174, 96, 0.1);
    --status-error-bg: rgba(231, 76, 60, 0.1);
    --status-warning-bg: rgba(243, 156, 18, 0.1);
    --status-border-width: 1px;
    --divider-color: #ddd;
}

[data-theme="dark"] {
    --text-color: #e0e0e0;
    --bg-color: #1f2b38;
    --card-bg: #2a3849;
    --header-bg: #1f2b38;
    --secondary-color: #8ba9ce;
    --primary-color: #41a3ff;
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    --status-default-bg: rgba(65, 163, 255, 0.15);
    --status-success-bg: rgba(46, 170, 97, 0.15);
    --status-error-bg: rgba(192, 57, 43, 0.15);
    --status-warning-bg: rgba(211, 84, 0, 0.15);
    --divider-color: #555;
}

body {
    background: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    min-height: 100vh;
    padding-bottom: 40px;
    transition: var(--transition);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

header {
    background-color: var(--header-bg);
    color: white;
    height: 60px;
    display: flex;
    align-items: center;
    padding: 0 20px;
    box-shadow: var(--shadow);
    position: relative;
    transition: var(--transition);
    margin-bottom: 40px;
}

.back-button {
    background: none;
    border: none;
    color: white;
    cursor: pointer;
    padding: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    position: absolute;
    left: 10px;
}

.back-button:hover {
    background: rgba(255, 255, 255, 0.1);
}

.header-title {
    font-size: 1.5rem;
    font-weight: 700;
    flex-grow: 1;
    text-align: center;
    margin: 0;
}

.editor-container {
    display: flex;
    flex-direction: column;
    gap: 20px;
    height: calc(100vh - 140px);
}

.input-section {
    flex: 1;
    display: flex;
    flex-direction: column;
    background: var(--card-bg);
    border-radius: 12px;
    box-shadow: var(--shadow);
    padding: 15px;
    transition: var(--transition);
    min-height: 150px;
    position: relative;
    margin-bottom: 10px;
}

.input-fields-container {
    display: flex;
    flex-direction: column;
    gap: 0;
    width: 100%;
    margin-bottom: 15px;
}

.input-row {
    display: flex;
    align-items: center;
    gap: 0;
    margin-bottom: 10px;
    width: 100%;
    flex-wrap: nowrap;
}

.input-row:last-child {
    margin-bottom: 0;
}

.input-row label {
    white-space: nowrap;
    font-size: 0.9rem;
    flex: 0 0 auto;
    text-align: left;
    padding-right: 10px;
}

.input-field {
    flex: 1;
    padding: 8px 12px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 1rem;
    background-color: var(--card-bg);
    color: var(--text-color);
    transition: var(--transition);
    min-width: 0;
}

.input-field:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(52, 152, 219, 0.2);
}

.input-field[type='number'] {
    -moz-appearance: textfield;
    appearance: none;
}

.input-field[type='number']::-webkit-outer-spin-button,
.input-field[type='number']::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.text-input {
    width: 100%;
    flex: 1;
    border: 1px solid #ddd;
    border-radius: 8px;
    padding: 15px;
    font-size: 1rem;
    resize: none;
    background-color: var(--card-bg);
    color: var(--text-color);
    transition: var(--transition);
}

.text-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(52, 152, 219, 0.2);
}

.text-input-small {
    flex: 1;
    padding: 8px 12px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 1rem;
    background-color: var(--card-bg);
    color: var(--text-color);
    transition: var(--transition);
}

.text-input-small:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(52, 152, 219, 0.2);
}

.input-section .text-input {
    width: 100%;
    height: 100%;
}

.output-controls-section {
    background: var(--card-bg);
    border-radius: 12px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    min-height: 120px;
}

.status-message {
    font-size: 1.1rem;
    font-weight: 500;
    text-align: center;
    color: var(--text-color);
    padding: 20px;
    background-color: var(--status-default-bg);
    transition: var(--transition);
    flex-shrink: 0;
}

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

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

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

.output-controls-section .status-message {
    position: relative;
}
.output-controls-section .status-message::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 20px;
    right: 20px;
    height: 1px;
    background-color: var(--divider-color);
}

.controls {
    display: flex;
    justify-content: center;
    gap: 20px;
    padding: 20px;
    flex-wrap: nowrap;
    min-width: 0;
}

.control-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background-color: var(--primary-color);
    color: white;
    border: none;
    flex: 1 1 auto;
    min-width: 60px;
    padding: 12px 25px;
    font-size: 1rem;
    border-radius: 6px;
    cursor: pointer;
    transition: var(--transition);
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
}

.control-btn:hover {
    background-color: #2980b9;
    transform: translateY(-2px);
}

.control-btn:active {
    transform: translateY(0);
}

.control-btn:disabled {
    background-color: #95a5a6;
    cursor: not-allowed;
    transform: none;
}

.control-btn.icon-only {
    gap: 0;
    padding: 0;

    width: 40px;
    height: 40px;
    min-width: 40px;
    min-height: 40px;
    
}

.control-btn.icon-only i {
    margin: 0;
}

.mode-selector {
    margin-top: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9rem;
}

.mode-selector label {
    white-space: nowrap;
}

.mode-selector select {
    flex: 1;
    padding: 5px 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    background-color: var(--card-bg);
    color: var(--text-color);
    cursor: pointer;
    transition: var(--transition);
}

.mode-selector select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(52, 152, 219, 0.2);
}

.main-textarea-row {
    flex: 1; /* 占据容器内所有可用的垂直空间 */
    min-height: 0; /* 允许在小容器中收缩 */
    margin-bottom: 0; /* 它是最后一个元素 */
}

footer {
    text-align: center;
    color: #777;
    padding-top: 30px;
    font-size: 1rem;
}
footer a {
    color: #777;
    text-decoration: none;
}
footer a:hover {
    text-decoration: underline;
}


@media (max-width: 768px) {
    .header-title {
        font-size: 1.2rem;
    }

    .status-message {
        font-size: 1rem;
        padding: 15px;
    }

    .controls {
        gap: 10px;
        padding: 15px 10px;
    }

    .control-btn {
        padding: 10px 15px;
        font-size: 0.9rem;
        min-width: 50px;
    }
}

@media (max-width: 480px) {
    .controls {
        gap: 5px;
        padding: 12px 10px;
    }

    .control-btn {
        padding: 8px 10px;
        font-size: 0.85rem;
        min-width: 40px;
        gap: 5px;
    }
}

@media (max-width: 359px) {
    .control-btn span {
        display: none;
    }
    .control-btn {
        gap: 0;
        padding: 0;
        min-width: 40px;
        min-height: 40px;
    }
    .control-btn i {
        margin: 0;
    }
}