/* ========================================
   INPUT AREA
   ======================================== */
.input-area {
    padding: 0.5rem;
    padding-top: 0;
    position: relative;
    z-index: 10;
    flex-shrink: 0;
    background: hsl(var(--background));
}

.input-container {
    width: 100%;
    max-width: 42rem;
    margin-left: auto;
    margin-right: auto;
}

.input-wrapper-outer {
    position: relative;
    width: 100%;
}

.input-wrapper-clickable {
    position: relative;
    width: 100%;
    cursor: text;
}

.mode-selector-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.mode-selector-left {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.mode-selector-right {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-shrink: 0;
    min-width: 0;
    overflow: visible;
}

/* При сжатии скрываем имя пользователя */
.mode-selector-row.compact .user-name {
    display: none;
}

.mode-selector-row.compact .user-block {
    gap: 0.375rem;
}

.mode-selector-row.compact .user-balance,
.mode-selector-row.compact .user-tokens {
    font-size: 0.6875rem;
}

.auth-login-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.375rem 0.75rem;
    background: linear-gradient(135deg, hsl(240 8% 14%) 0%, hsl(240 8% 12%) 100%);
    border: 1px solid hsl(var(--border));
    border-radius: 0.5rem;
    color: hsl(var(--foreground));
    font-size: 0.75rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    outline: none;
    height: 32px;
    box-sizing: border-box;
    white-space: nowrap;
}

.auth-login-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px hsl(var(--background) / 0.6);
    border-color: hsl(var(--primary) / 0.5);
}

.auth-login-btn:focus-visible {
    outline: 2px solid hsl(var(--primary) / 0.7);
    outline-offset: 2px;
}

.user-block {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.75rem;
    flex-shrink: 0;
}

.user-name {
    color: hsl(var(--foreground));
    font-weight: 500;
    white-space: nowrap;
}

.user-balance {
    color: hsl(var(--muted-foreground));
    white-space: nowrap;
}

.user-tokens {
    color: hsl(var(--primary));
    white-space: nowrap;
}


.input-wrapper {
    display: flex;
    align-items: flex-end;
    gap: 0.5rem;
    background: linear-gradient(135deg, hsl(240 8% 14%) 0%, hsl(240 8% 12%) 100%);
    border: 1px solid hsl(var(--input));
    border-radius: 0.75rem;
    padding: 0.5rem;
    position: relative;
    z-index: 10;
    transition: border-color 0.25s cubic-bezier(0.4, 0, 0.2, 1), 
                box-shadow 0.25s cubic-bezier(0.4, 0, 0.2, 1),
                transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.input-wrapper:focus-within {
    border-color: hsl(var(--primary) / 0.5);
    box-shadow: 0 0 0 3px hsl(var(--primary) / 0.15);
    transform: translateY(-1px);
}

.text-input {
    flex: 1;
    background: transparent;
    border: none;
    color: hsl(var(--foreground));
    font-size: 0.875rem;
    resize: none;
    min-height: 52px;
    max-height: 200px;
    outline: none;
    font-family: inherit;
    line-height: 1.5;
    overflow-y: hidden;
    padding: 0.5rem 0;
    margin: 0;
    box-shadow: none;
}

.text-input:focus {
    outline: none;
    box-shadow: none;
}

.text-input::placeholder {
    color: hsl(var(--muted-foreground) / 0.7);
}

.input-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 0.5rem 0;
    font-size: 0.75rem;
    color: hsl(var(--muted-foreground));
}

.input-hint {
    opacity: 0.7;
}

.char-counter {
    font-variant-numeric: tabular-nums;
}

.char-counter.warning {
    color: hsl(var(--warning));
}

.char-counter.error {
    color: hsl(var(--error));
}

.actions {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.mode-selector {
    position: relative;
    display: inline-block;
}

.mode-selector-btn {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.375rem 0.5rem;
    background: linear-gradient(135deg, hsl(240 8% 14%) 0%, hsl(240 8% 12%) 100%);
    border: 1px solid hsl(var(--border));
    border-radius: 0.5rem;
    color: hsl(var(--foreground));
    font-size: 0.75rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    outline: none;
    white-space: nowrap;
    width: auto;
    min-width: 90px;
    height: 32px;
    box-sizing: border-box;
}

.mode-selector.active .mode-selector-btn {
    border-bottom-left-radius: 0;
    border-bottom-right-radius: 0;
    border-bottom: none;
}

.mode-selector-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px hsl(var(--background) / 0.6);
}

.mode-selector-btn:focus-visible {
    outline: 2px solid hsl(var(--primary) / 0.7);
    outline-offset: 2px;
}

.mode-icon {
    width: 13px;
    height: 13px;
    flex-shrink: 0;
}

.mode-text {
    font-size: 0.75rem;
    font-weight: 500;
    transition: opacity 0.2s, width 0.2s, margin 0.2s;
    overflow: hidden;
}

.mode-selector.compact .mode-text {
    width: 0;
    opacity: 0;
    margin: 0;
    padding: 0;
}

.mode-selector.compact .mode-selector-btn {
    min-width: 32px;
    width: 32px;
    padding: 0.375rem;
    justify-content: center;
    align-items: center;
    gap: 0;
}

.mode-selector.compact .mode-icon {
    width: 13px;
    height: 13px;
    flex-shrink: 0;
    margin: 0;
}

.mode-chevron {
    width: 11px;
    height: 11px;
    opacity: 0.6;
    transition: transform 0.2s, opacity 0.2s, width 0.2s, margin 0.2s;
    flex-shrink: 0;
}

.mode-selector.compact .mode-chevron {
    display: none;
}

.mode-selector.active .mode-chevron {
    transform: rotate(180deg);
}

.mode-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    width: max-content;
    min-width: 100%;
    max-width: 200px;
    display: flex;
    flex-direction: column;
    gap: 0;
    padding: 0;
    background: linear-gradient(135deg, hsl(240 8% 14%) 0%, hsl(240 8% 12%) 100%);
    border: 1px solid hsl(var(--input));
    border-top: none;
    border-top-left-radius: 0;
    border-top-right-radius: 0;
    border-bottom-left-radius: 0.5rem;
    border-bottom-right-radius: 0.5rem;
    box-shadow: 0 4px 12px hsl(var(--background) / 0.5);
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-2px);
    transition: opacity 0.2s ease, visibility 0.2s ease, transform 0.2s ease;
    pointer-events: none;
    overflow: hidden;
    box-sizing: border-box;
}

.mode-selector.active .mode-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: auto;
}

.mode-option {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.375rem 0.5rem;
    background: transparent;
    border: none;
    border-radius: 0;
    color: hsl(var(--foreground));
    font-size: 0.75rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s;
    text-align: left;
    width: 100%;
    min-width: max-content;
    outline: none;
    height: 32px;
    box-sizing: border-box;
    white-space: nowrap;
}

.mode-option span {
    white-space: nowrap;
    overflow: visible;
    text-overflow: clip;
}

.mode-option:hover {
    background: hsl(var(--accent));
}

.mode-option:focus-visible {
    outline: 2px solid hsl(var(--primary) / 0.7);
    outline-offset: -2px;
}

.mode-option-icon {
    width: 13px;
    height: 13px;
    flex-shrink: 0;
}

/* ========================================
   MODEL SELECTOR
   ======================================== */
.model-selector {
    position: relative;
    display: inline-block;
}

.model-selector-btn {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.375rem 0.5rem;
    background: linear-gradient(135deg, hsl(240 8% 14%) 0%, hsl(240 8% 12%) 100%);
    border: 1px solid hsl(var(--border));
    border-radius: 0.5rem;
    color: hsl(var(--foreground));
    font-size: 0.75rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    outline: none;
    white-space: nowrap;
    width: auto;
    min-width: 90px;
    height: 32px;
    box-sizing: border-box;
}

.model-selector.active .model-selector-btn {
    border-bottom-left-radius: 0;
    border-bottom-right-radius: 0;
    border-bottom: none;
}

.model-selector-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px hsl(var(--background) / 0.6);
}

.model-selector-btn:focus-visible {
    outline: 2px solid hsl(var(--primary) / 0.7);
    outline-offset: 2px;
}

.model-logo {
    width: 13px;
    height: 13px;
    flex-shrink: 0;
    color: hsl(var(--primary));
    stroke: currentColor;
}

.model-text {
    font-size: 0.75rem;
    font-weight: 500;
    transition: opacity 0.2s, width 0.2s, margin 0.2s;
    overflow: hidden;
}

.model-selector.compact .model-text {
    width: 0;
    opacity: 0;
    margin: 0;
    padding: 0;
}

.model-selector.compact .model-selector-btn {
    min-width: 32px;
    width: 32px;
    padding: 0.375rem;
    justify-content: center;
    align-items: center;
    gap: 0;
}

.model-selector.compact .model-logo {
    width: 13px;
    height: 13px;
    flex-shrink: 0;
    margin: 0;
}

.model-chevron {
    width: 11px;
    height: 11px;
    opacity: 0.6;
    transition: transform 0.2s, opacity 0.2s, width 0.2s, margin 0.2s;
    flex-shrink: 0;
}

.model-selector.compact .model-chevron {
    display: none;
}

.model-selector.active .model-chevron {
    transform: rotate(180deg);
}

.model-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    width: max-content;
    min-width: 100%;
    max-width: 200px;
    display: flex;
    flex-direction: column;
    gap: 0;
    padding: 0;
    background: linear-gradient(135deg, hsl(240 8% 14%) 0%, hsl(240 8% 12%) 100%);
    border: 1px solid hsl(var(--input));
    border-top: none;
    border-top-left-radius: 0;
    border-top-right-radius: 0;
    border-bottom-left-radius: 0.5rem;
    border-bottom-right-radius: 0.5rem;
    box-shadow: 0 4px 12px hsl(var(--background) / 0.5);
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-2px);
    transition: opacity 0.2s ease, visibility 0.2s ease, transform 0.2s ease;
    pointer-events: none;
    overflow: hidden;
    box-sizing: border-box;
}

.model-selector.active .model-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: auto;
}

.model-option {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.375rem 0.5rem;
    background: transparent;
    border: none;
    border-radius: 0;
    color: hsl(var(--foreground));
    font-size: 0.75rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s;
    text-align: left;
    width: 100%;
    min-width: max-content;
    outline: none;
    white-space: nowrap;
}

.model-option span {
    white-space: nowrap;
    overflow: visible;
    text-overflow: clip;
}

.model-option:hover {
    background: hsl(var(--accent));
}

.model-option:focus-visible {
    outline: 2px solid hsl(var(--primary) / 0.7);
    outline-offset: -2px;
}

.model-option.locked {
    opacity: 0.5;
    cursor: not-allowed;
    position: relative;
}

.model-option.locked:hover {
    background: transparent;
}

.model-option.locked .lock-icon {
    width: 8px;
    height: 8px;
    min-width: 8px;
    margin-left: auto;
    color: hsl(var(--muted-foreground));
    flex-shrink: 0;
}

.model-option-logo {
    width: 13px;
    height: 13px;
    flex-shrink: 0;
    color: hsl(var(--primary));
    stroke: currentColor;
}

.mode-action-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.375rem;
    background: linear-gradient(135deg, hsl(240 8% 14%) 0%, hsl(240 8% 12%) 100%);
    border: 1px solid hsl(var(--border));
    border-radius: 0.5rem;
    color: hsl(var(--foreground));
    cursor: pointer;
    transition: all 0.2s;
    outline: none;
    width: 32px;
    height: 32px;
    box-sizing: border-box;
    flex-shrink: 0;
}

.mode-action-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px hsl(var(--background) / 0.6);
}

.mode-action-btn:focus-visible {
    outline: 2px solid hsl(var(--primary) / 0.7);
    outline-offset: 2px;
}

.mode-action-btn.disabled,
.mode-action-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    pointer-events: none;
}

.mode-action-icon {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

.btn {
    background: transparent;
    border: none;
    color: hsl(var(--muted-foreground));
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 0.375rem;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    outline-offset: 2px;
    height: 28px;
    width: 28px;
    flex-shrink: 0;
}

.btn:focus-visible {
    outline: 2px solid hsl(var(--primary) / 0.7);
    outline-offset: 2px;
}

.btn:hover {
    background: hsl(var(--accent));
    color: hsl(var(--accent-foreground));
}

.btn:disabled,
.btn.disabled {
    opacity: 0.4;
    cursor: not-allowed;
    pointer-events: none;
}

.btn.primary {
    background: hsl(var(--primary));
    color: hsl(var(--primary-foreground));
    padding: 0;
    border-radius: 50%;
    font-weight: 400;
    height: 28px;
    width: 28px;
    border: none;
    box-shadow: none;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.btn.primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: hsl(var(--primary) / 0.9);
    opacity: 0;
    transition: opacity 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn.primary:hover::before {
    opacity: 1;
}

.btn.primary:hover {
    box-shadow: 0 0 0 2px hsl(var(--background)), 0 0 0 4px hsl(var(--primary) / 0.2), 0 6px 16px hsl(var(--primary) / 0.4);
    transform: translateY(-2px) scale(1.05);
}

.btn.primary:active {
    transform: scale(0.97);
}

.btn.primary:not(:disabled) {
    box-shadow: 0 0 0 2px hsl(var(--background)), 0 0 0 4px hsl(var(--primary) / 0.1);
}

.btn.primary:disabled {
    box-shadow: none !important;
}

.file-input {
    display: none;
}

.file-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.375rem;
    margin-bottom: 0.5rem;
    padding: 0 0.5rem;
}

.file-list:empty {
    display: none;
    margin-bottom: 0;
}

.file-item {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    background: hsl(var(--background));
    border: 1px solid hsl(var(--border));
    border-radius: 0.375rem;
    padding: 0.25rem 0.5rem;
    font-size: 0.875rem;
    color: hsl(var(--foreground));
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.file-item:hover {
    transform: translateY(-1px);
    box-shadow: 0 2px 8px hsl(var(--background) / 0.3);
}

.file-item .remove-btn {
    background: transparent;
    border: none;
    color: hsl(var(--muted-foreground));
    cursor: pointer;
    padding: 0.125rem;
    border-radius: 50%;
    width: 16px;
    height: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.file-item .remove-btn:hover {
    background: hsl(var(--error) / 0.2);
    color: hsl(var(--error));
    transform: scale(1.2) rotate(90deg);
}

/* Typing Indicator */
.typing-indicator {
    display: flex;
    gap: 0.25rem;
    padding: 0.5rem;
}

.typing-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: hsl(var(--muted-foreground));
    animation: typingPulse 1.4s infinite ease-in-out;
}

.typing-dot:nth-child(2) { animation-delay: 0.2s; }
.typing-dot:nth-child(3) { animation-delay: 0.4s; }

@keyframes typingPulse {
    0%, 60%, 100% {
        transform: translateY(0);
        opacity: 0.4;
    }
    30% {
        transform: translateY(-10px);
        opacity: 1;
    }
}