/* ==========================================
   控件 — 按钮、滑块、弹窗、Toast
   ========================================== */

/* --- 按钮 --- */
.btn-primary {
    background: var(--primary);
    color: white;
    padding: 6px var(--space-lg);
    border-radius: var(--radius-sm);
    font-weight: 500;
    font-size: var(--font-size-md);
    transition: background var(--transition-fast);
    white-space: nowrap;
}
.btn-primary:hover:not(:disabled) {
    background: var(--primary-hover);
}
.btn-primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-danger {
    background: var(--danger);
    color: white;
    padding: 6px var(--space-lg);
    border-radius: var(--radius-sm);
    font-weight: 500;
    font-size: var(--font-size-md);
    transition: background var(--transition-fast);
    white-space: nowrap;
}
.btn-danger:hover {
    background: var(--danger-hover);
}

.btn-outline {
    background: transparent;
    color: var(--text-normal);
    padding: 6px var(--space-lg);
    border-radius: var(--radius-sm);
    border: 1px solid rgba(255,255,255,0.15);
    font-weight: 500;
    font-size: var(--font-size-md);
    transition: all var(--transition-fast);
    white-space: nowrap;
}
.btn-outline:hover {
    background: var(--bg-hover);
    border-color: rgba(255,255,255,0.3);
}

/* --- 图标按钮 --- */
.icon-btn-wrapper {
    position: relative;
    display: flex;
    justify-content: center;
}

.icon-btn {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-sm);
    background: transparent;
    color: var(--text-normal);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    transition: background var(--transition-fast);
}
.icon-btn:hover {
    background: var(--bg-hover);
}

.icon-btn.muted {
    color: var(--danger);
    position: relative;
}
.icon-btn.muted::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 2px;
    background: var(--danger);
    transform: rotate(45deg);
}

/* --- 音量悬浮窗 --- */
.hover-volume-popup {
    position: absolute;
    bottom: 45px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--bg-sidebar);
    padding: var(--space-md);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-popup);
    display: none;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    border: 1px solid rgba(255,255,255,0.05);
    width: 140px;
    z-index: 9999;
}
.hover-volume-popup::before {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 0;
    width: 100%;
    height: 15px;
    background: transparent;
}
.hover-volume-popup::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 50%;
    transform: translateX(-50%) rotate(45deg);
    width: 10px;
    height: 10px;
    background: var(--bg-sidebar);
    border-right: 1px solid rgba(255,255,255,0.05);
    border-bottom: 1px solid rgba(255,255,255,0.05);
}
.icon-btn-wrapper:hover .hover-volume-popup {
    display: flex;
}

.vol-label {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* --- 个人音量弹窗 --- */
#personal-vol-popup {
    position: fixed;
    background: var(--bg-panel);
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-popup);
    display: none;
    z-index: 10000;
    border: 1px solid rgba(255,255,255,0.1);
    color: white;
    flex-direction: column;
    gap: var(--space-sm);
}

/* --- 统一滑块样式 --- */
input[type="range"] {
    -webkit-appearance: none;
    width: 100%;
    height: 6px;
    background: #4f545c;
    border-radius: 3px;
    outline: none;
    cursor: pointer;
}
input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: white;
    cursor: pointer;
}
input[type="range"]::-moz-range-thumb {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: white;
    cursor: pointer;
    border: none;
}

/* --- 画质选择器 --- */
.quality-select {
    background: var(--bg-chat-input);
    color: white;
    border: none;
    padding: 6px;
    border-radius: var(--radius-sm);
    outline: none;
    font-size: var(--font-size-md);
    cursor: pointer;
}
.quality-select option {
    background: var(--bg-sidebar);
    color: white;
}

/* --- Toast 通知 --- */
.toast-container {
    position: fixed;
    top: var(--space-lg);
    right: var(--space-lg);
    z-index: 99999;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    pointer-events: none;
}

.toast {
    background: var(--bg-toast);
    color: white;
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-md);
    font-size: var(--font-size-md);
    box-shadow: var(--shadow-popup);
    border: 1px solid rgba(255,255,255,0.1);
    animation: toast-in 0.3s ease, toast-out 0.3s ease 2.7s;
    pointer-events: auto;
    max-width: 320px;
}

.toast.success { border-left: 3px solid var(--success); }
.toast.error   { border-left: 3px solid var(--danger); }
.toast.warning { border-left: 3px solid var(--warning); }
.toast.info    { border-left: 3px solid var(--primary); }

@keyframes toast-in {
    from { transform: translateX(100%); opacity: 0; }
    to   { transform: translateX(0);    opacity: 1; }
}
@keyframes toast-out {
    from { transform: translateX(0);    opacity: 1; }
    to   { transform: translateX(100%); opacity: 0; }
}

/* --- 状态标签 --- */
.badge {
    background: var(--bg-chat-input);
    color: var(--text-normal);
    padding: 4px 10px;
    border-radius: var(--radius-lg);
    font-size: var(--font-size-sm);
    font-weight: bold;
    white-space: nowrap;
    cursor: pointer;
}
.badge.success {
    background: var(--success);
    color: white;
}
.badge.warning {
    background: var(--warning);
    color: #000;
}
.badge.danger {
    background: var(--danger);
    color: white;
}