/* 通用按钮样式 */
button {
    border: none;
    outline: none;
    cursor: pointer;
    font-family: inherit;
}

.menu-btn {
    width: 100%;
    padding: 16px;
    border-radius: var(--border-radius);
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 15px;
    transition: transform 0.1s, box-shadow 0.2s;
    position: relative;
    overflow: hidden;
}

.menu-btn:active {
    transform: scale(0.98);
}

.primary {
    background-color: var(--primary-color);
    color: white;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.secondary {
    background-color: white;
    color: var(--text-main);
    border: 1px solid #eee;
    box-shadow: var(--shadow);
}

.icon-btn {
    background: transparent;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: background-color 0.2s;
    font-size: 24px;
    color: var(--text-main);
}

.icon-btn:hover {
    background-color: rgba(0,0,0,0.05);
}

.arrow-left::before {
    content: '←';
}

.settings-card {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 20px;
    box-shadow: var(--shadow);
    margin-bottom: 30px;
}

.setting-item {
    margin-bottom: 25px;
}

.setting-item:last-child {
    margin-bottom: 0;
}

.setting-item label {
    display: block;
    margin-bottom: 10px;
    font-weight: 600;
    font-size: 14px;
    color: var(--text-sub);
}

.setting-input {
    width: 100%;
    padding: 10px;
    border-radius: 8px;
    border: 1px solid #ddd;
    font-size: 16px;
    color: var(--text-main);
    outline: none;
    transition: border-color 0.2s;
}

.setting-input:focus {
    border-color: var(--primary-color);
}

/* 自定义单选按钮组 */
.toggle-group {
    display: flex;
    background: #f0f0f0;
    border-radius: 8px;
    padding: 4px;
}

.toggle-group input {
    display: none;
}

.toggle-group label {
    flex: 1;
    text-align: center;
    padding: 10px;
    margin: 0;
    cursor: pointer;
    border-radius: 6px;
    transition: all 0.2s;
    font-weight: 500;
    color: var(--text-sub);
}

.toggle-group input:checked + label {
    background: white;
    color: var(--primary-color);
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}

/* 开关样式 */
.switch-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 16px;
}

.switch {
    position: relative;
    display: inline-block;
    width: 50px;
    height: 28px;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #ccc;
    transition: .4s;
}

.slider:before {
    position: absolute;
    content: "";
    height: 20px;
    width: 20px;
    left: 4px;
    bottom: 4px;
    background-color: white;
    transition: .4s;
}

input:checked + .slider {
    background-color: var(--primary-color);
}

input:checked + .slider:before {
    transform: translateX(22px);
}

.slider.round {
    border-radius: 34px;
}

.slider.round:before {
    border-radius: 50%;
}

.fullscreen-btn {
    position: absolute;
    bottom: 20px;
    right: 20px;
    width: 44px;
    height: 44px;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 50%;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: var(--text-main);
    z-index: 100;
    border: 1px solid #eee;
    transition: all 0.2s;
}

.fullscreen-btn:hover {
    background: white;
    transform: scale(1.1);
}

.fullscreen-btn i {
    font-size: 18px;
    line-height: 1;
}

/* Modal Styles */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s;
}

.modal-overlay.show {
    opacity: 1;
    pointer-events: auto;
}

.modal-box {
    background: white;
    padding: 25px;
    border-radius: 12px;
    text-align: center;
    width: 85%;
    max-width: 320px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.25);
    transform: scale(0.9);
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.modal-overlay.show .modal-box {
    transform: scale(1);
}

.modal-box h3 {
    margin: 0 0 10px;
    font-size: 20px;
    color: var(--text-main);
}

.modal-box p {
    color: var(--text-sub);
    margin-bottom: 20px;
    font-size: 15px;
    line-height: 1.5;
}

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

.modal-actions button {
    width: 100% !important;
    margin: 0 !important;
    padding: 12px;
}

.small-btn {
    padding: 10px 20px;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
}

.warning-btn {
    background-color: #ffcccc;
    color: #d32f2f;
    border: 1px solid #ff9999;
}

.warning-btn:hover {
    background-color: #ffb3b3;
}

.danger-btn {
    background-color: #d32f2f;
    color: white;
}

.danger-btn:hover {
    background-color: #b71c1c;
}

/* Toast Styles */
.toast {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%) translateY(-100%);
    background-color: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 12px 18px;
    border-radius: 50px;
    font-size: 14px;
    z-index: 2000;
    opacity: 0;
    transition: all 0.3s;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    pointer-events: none;
    white-space: nowrap;
    display: flex;
    align-items: center;
    gap: 10px;
    --toast-duration: 3100ms;
}

.toast-text {
    line-height: 1.2;
}

.toast-icon {
    font-size: 16px;
    line-height: 1;
    opacity: 0.95;
}

.toast-timer {
    width: 18px;
    height: 18px;
    flex: 0 0 18px;
    transform: rotate(-90deg);
}

:root.theme-dark .secondary {
    background-color: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 255, 255, 0.12);
}

:root.theme-dark .icon-btn:hover {
    background-color: rgba(255, 255, 255, 0.08);
}

:root.theme-dark .toggle-group {
    background: rgba(255, 255, 255, 0.08);
}

:root.theme-dark .toggle-group input:checked + label {
    background: rgba(0, 0, 0, 0.35);
    color: var(--text-main);
    box-shadow: none;
}

:root.theme-dark .setting-input {
    background: rgba(255, 255, 255, 0.04);
    border-color: rgba(255, 255, 255, 0.14);
}

:root.theme-dark .modal-box {
    background: var(--card-bg);
}

.toast-timer-track {
    fill: none;
    stroke: rgba(255, 255, 255, 0.22);
    stroke-width: 3.2;
}

.toast-timer-progress {
    fill: none;
    stroke: rgba(255, 255, 255, 0.95);
    stroke-width: 3.2;
    stroke-linecap: round;
    stroke-dasharray: 100.53;
    stroke-dashoffset: 0;
}

.toast.show .toast-timer-progress {
    animation: toastRingCountdown var(--toast-duration) linear forwards;
}

@keyframes toastRingCountdown {
    to {
        stroke-dashoffset: 100.53;
    }
}

.toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

.toast.bottom-right {
    top: auto;
    bottom: 20px;
    left: auto;
    right: 20px;
    transform: translateY(100%);
}

.toast.bottom-right.show {
    transform: translateY(0);
}

:root.theme-dark .fullscreen-btn {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 255, 255, 0.12);
    box-shadow: 0 2px 10px rgba(0,0,0,0.35);
}

:root.theme-dark .fullscreen-btn:hover {
    background: rgba(255, 255, 255, 0.1);
}