/* Controls Panel */
.controls {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 0.75rem;
    padding: clamp(0.75rem, 2vw, 1.25rem);
    width: 100%;
    min-width: 0;
    height: fit-content;
}

/* Voice Selection */
.voice-select-container {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    background: rgba(15, 23, 42, 0.3);
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    padding: 0.75rem;
    width: 100%;
    box-sizing: border-box;
}

.voice-search-wrapper {
    position: relative;
    width: 100%;
}

.voice-search {
    width: 100%;
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    background: rgba(15, 23, 42, 0.3);
    color: var(--text);
    font-size: 1rem;
    transition: all 0.2s ease;
}

.voice-search:focus {
    outline: none;
    border-color: var(--fg-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

.voice-search::placeholder {
    color: var(--text-light);
}

.selected-voices {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    padding: 0.75rem;
    background: rgba(15, 23, 42, 0.3);
    border: 1px solid var(--border);
    border-radius: 0.35rem;
    width: 100%;
    box-sizing: border-box;
}

.voice-dropdown {
    visibility: hidden;
    opacity: 0;
    position: absolute;
    top: calc(100% + 0.25rem);
    left: 0;
    right: 0;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    z-index: 999999;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
    padding: 0.75rem;
    transition: all 0.2s ease;
    transform: translateY(-10px);
    pointer-events: none;
}

.voice-dropdown.show {
    visibility: visible;
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.voice-options {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    max-height: 320px;
    overflow-y: auto;
    padding-right: 0.5rem;
    scrollbar-width: thin;
    scrollbar-color: rgba(99, 102, 241, 0.2) transparent;
}

.voice-options::-webkit-scrollbar {
    width: 4px;
}

.voice-options::-webkit-scrollbar-track {
    background: transparent;
}

.voice-options::-webkit-scrollbar-thumb {
    background-color: rgba(99, 102, 241, 0.2);
    border-radius: 2px;
}

.voice-option {
    display: flex;
    align-items: center;
    padding: 0.75rem 1rem;
    cursor: pointer;
    transition: all 0.2s ease;
    color: var(--text);
    border-radius: 0.35rem;
    background: rgba(15, 23, 42, 0.3);
    border: 1px solid var(--border);
    font-size: 0.9375rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    user-select: none;
}

.voice-option:hover {
    background: rgba(99, 102, 241, 0.1);
    border-color: var(--fg-color);
    transform: translateX(2px);
}

.voice-option.selected {
    background: rgba(99, 102, 241, 0.2);
    border-color: var(--fg-color);
    padding-left: 0.75rem;
}

.voice-option.selected::before {
    content: "✓";
    margin-right: 0.5rem;
    color: var(--fg-color);
    font-weight: bold;
}

.selected-voice-tag {
    display: flex;
    align-items: center;
    padding: 0.35rem 0.5rem;
    background: rgba(99, 102, 241, 0.2);
    border: 1px solid rgba(99, 102, 241, 0.3);
    border-radius: 0.35rem;
    font-size: 0.8125rem;
    gap: 0.5rem;
    transition: all 0.2s ease;
}

.selected-voice-tag:hover {
    background: rgba(99, 102, 241, 0.3);
    transform: translateX(2px);
}

.selected-voice-tag input {
    flex: 1;
    min-width: 0;
    padding: 0.25rem;
    background: transparent;
    border: none;
    color: inherit;
    font-size: inherit;
    text-align: left;
    border-radius: 0.25rem;
    transition: background-color 0.2s;
    z-index: 1;
}

.selected-voice-tag input:hover,
.selected-voice-tag input:focus {
    background: rgba(99, 102, 241, 0.1);
}

.remove-voice {
    cursor: pointer;
    opacity: 0.7;
    transition: opacity 0.2s ease;
    font-size: 1.2em;
    padding: 0.25rem;
    margin-left: auto;
    z-index: 1;
}

.remove-voice:hover {
    opacity: 1;
}

/* Speed Control */
.speed-control {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    padding: 0.75rem;
    background: rgba(15, 23, 42, 0.3);
    border: 1px solid var(--border);
    border-radius: 0.5rem;
}

.speed-control label {
    color: var(--text-light);
    font-size: 0.875rem;
}

.speed-control input[type="range"] {
    width: 100%;
    height: 4px;
    -webkit-appearance: none;
    background: rgba(99, 102, 241, 0.2);
    border-radius: 2px;
    outline: none;
}

.speed-control input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 16px;
    height: 16px;
    background: var(--fg-color);
    border-radius: 50%;
    cursor: pointer;
    transition: transform 0.2s ease;
}

.speed-control input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.1);
}

.speed-control input[type="range"]::-moz-range-thumb {
    width: 16px;
    height: 16px;
    background: var(--fg-color);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    transition: transform 0.2s ease;
}

.speed-control input[type="range"]::-moz-range-thumb:hover {
    transform: scale(1.1);
}

/* Language Control */
.lang-control {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    padding: 0.75rem;
    background: rgba(15, 23, 42, 0.3);
    border: 1px solid var(--border);
    border-radius: 0.5rem;
}

.lang-control label {
    color: var(--text-light);
    font-size: 0.875rem;
}

.lang-select {
    background: rgba(15, 23, 42, 0.3);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    padding: 0.5rem 1rem;
    font-family: var(--font-family);
    font-size: 0.875rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.lang-select:hover {
    border-color: var(--fg-color);
}

.lang-select:focus {
    outline: none;
    border-color: var(--fg-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

.lang-select option {
    background: var(--surface);
    color: var(--text);
}

/* Generation Controls */
.button-group {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    padding: 0.75rem;
    background: rgba(15, 23, 42, 0.3);
    border: 1px solid var(--border);
    border-radius: 0.5rem;
}

#generate-btn {
    background: var(--fg-color);
    color: var(--text);
    padding: 0.75rem 1rem;
    border-radius: 0.5rem;
    border: none;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    width: 100%;
    min-height: 40px;
}

#generate-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.2);
}

.generation-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    padding: 0.5rem 0;
    margin-top: 0.5rem;
    border-top: 1px solid var(--border);
}

.generation-options label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-light);
    cursor: pointer;
    font-size: 0.875rem;
}

.format-select {
    background: rgba(15, 23, 42, 0.3);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    padding: 0.5rem 1rem;
    font-family: var(--font-family);
    font-size: 0.875rem;
    cursor: pointer;
    transition: all 0.2s ease;
    min-width: 100px;
}

.format-select:hover {
    border-color: var(--fg-color);
}

.format-select:focus {
    outline: none;
    border-color: var(--fg-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

.format-select option {
    background: var(--surface);
    color: var(--text);
}

/* Loading Animation */
.loader {
    display: none;
    width: 24px;
    height: 24px;
    position: absolute;
}

.loader::before,
.loader::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 50%;
    border: 2px solid transparent;
}

.loader::before {
    border-top-color: var(--text);
    animation: spin 1s linear infinite;
}

.loader::after {
    border-bottom-color: var(--fg-color);
    animation: spin 1.5s linear infinite reverse;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

#generate-btn {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

#generate-btn.loading .btn-text {
    visibility: hidden;
}

#generate-btn.loading .loader {
    display: block;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    filter: drop-shadow(0 0 8px rgba(99, 102, 241, 0.5));
}

#generate-btn.loading .loader::before {
    animation: spin 1s cubic-bezier(0.6, 0.2, 0.4, 0.8) infinite;
}

#generate-btn.loading .loader::after {
    animation: spin 1.5s cubic-bezier(0.6, 0.2, 0.4, 0.8) infinite reverse;
}

/* Responsive Styles */
@media (max-width: 768px) {
    .voice-options {
        gap: 0.375rem;
    }

    .voice-option {
        padding: 0.5rem 0.75rem;
    }

    .selected-voices {
        padding: 0.5rem;
    }

    .selected-voice-tag {
        padding: 0.375rem 0.625rem;
    }

    .generation-options {
        flex-direction: column;
        align-items: stretch;
        gap: 0.5rem;
    }

    .format-select {
        width: 100%;
    }
}