/* ============================================
   DREXET AI - Input Area Styles
   Input bar with all features
   ============================================ */

/* Input Area */
.input-area {
    border-top: 1px solid var(--border-color);
    background-color: var(--bg-primary);
    padding: 24px 32px;
    position: sticky;
    bottom: 0;
    z-index: var(--z-sticky);
    backdrop-filter: blur(10px);
    background-color: rgba(255, 255, 255, 0.8);
    width: 100%;
    display: flex;
    justify-content: center;
    transition: all var(--transition-base);
}

[data-theme="dark"] .input-area {
    background-color: rgba(33, 33, 33, 0.8);
}

.input-area.centered {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    bottom: auto;
    padding: 0;
    max-width: 768px;
    width: calc(100% - 4rem);
    border: none;
    background: transparent;
    /* Perfect viewport centering like Grok - never moves */
    transition: none;
}

.input-area.centered .input-wrapper {
    box-shadow: var(--shadow-lg);
}

/* Input Container */
.input-container {
    max-width: 768px;
    width: 100%;
    margin: 0 auto;
    transition: max-width var(--transition-base);
    display: flex;
    flex-direction: column;
    gap: 12px;
}

/* Inline Model Selector */
.model-selector-inline {
    position: relative;
    display: flex;
    justify-content: flex-end;
}

.model-selector-btn-inline {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    cursor: pointer;
    transition: all var(--transition-base);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.05);
}

.model-selector-btn-inline:hover {
    background-color: var(--bg-hover);
    border-color: var(--border-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.model-selector-btn-inline svg:first-child {
    color: var(--accent-primary);
}

.model-selector-btn-inline svg:last-child {
    color: var(--text-tertiary);
    transition: transform var(--transition-base);
}

.model-selector-btn-inline:hover svg:last-child {
    transform: translateY(2px);
}

#current-model-name {
    color: var(--text-primary);
    font-weight: var(--font-weight-semibold);
}

/* Model Dropdown */
.model-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    min-width: 280px;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    z-index: 1000;
    padding: 8px;
    animation: slideDown 0.2s ease-out;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.model-option {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 12px 14px;
    background: transparent;
    border: none;
    border-radius: var(--radius-md);
    color: var(--text-primary);
    cursor: pointer;
    transition: all var(--transition-base);
    text-align: left;
}

.model-option:hover {
    background-color: var(--bg-hover);
}

.model-option.active {
    background-color: rgba(102, 126, 234, 0.1);
}

.model-option-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.model-option-name {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
}

.model-option-desc {
    font-size: var(--font-size-xs);
    color: var(--text-tertiary);
}

.model-check {
    color: var(--accent-primary);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.model-option.active .model-check {
    opacity: 1;
}

/* Make input area more prominent */
.input-area .input-wrapper {
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    border: 1px solid var(--border-color);
}

.app-container.sidebar-collapsed .input-container {
    max-width: min(768px, calc(100vw - 60px - 48px));
    margin-left: auto;
    margin-right: auto;
}

.app-container:not(.sidebar-collapsed) .input-container {
    max-width: min(768px, calc(100vw - 260px - 48px));
    margin-left: auto;
    margin-right: auto;
}

/* Input Wrapper */
.input-wrapper {
    display: flex;
    align-items: flex-end;
    gap: 10px;
    background-color: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: 24px;
    padding: 14px 18px;
    transition: all var(--transition-base);
    position: relative;
    animation: fadeInUp 0.4s ease-out;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
}

.input-wrapper:focus-within {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.12), 0 8px 24px rgba(0, 0, 0, 0.1);
    transform: translateY(-2px);
}

.input-wrapper.generating {
    border-color: var(--accent-primary);
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.03) 0%, rgba(118, 75, 162, 0.03) 100%);
}

/* Input Icon Buttons */
.input-icon-btn {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    border-radius: 50%;
    color: var(--text-tertiary);
    cursor: pointer;
    transition: all var(--transition-base);
    flex-shrink: 0;
    padding: 0;
    position: relative;
}

.input-icon-btn:hover {
    background-color: var(--bg-hover);
    transform: scale(1.1);
    color: var(--accent-primary);
}

.input-icon-btn:active {
    transform: scale(0.95);
}

.input-icon-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    transform: none;
}

/* Input Field Wrapper */
.input-field-wrapper {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 8px;
    min-width: 0;
}

/* Message Input */
.message-input {
    flex: 1;
    background: transparent;
    border: none;
    outline: none;
    resize: none;
    font-family: var(--font-family);
    font-size: 1.05rem;
    line-height: 1.6;
    color: var(--text-primary);
    min-height: 52px;
    max-height: 300px;
    overflow-y: auto;
    padding: var(--spacing-sm) 0;
    width: 100%;
    letter-spacing: 0.01em;
}

.message-input::placeholder {
    color: var(--text-tertiary);
    font-weight: var(--font-weight-normal);
}

/* Input Actions (Stop/Regenerate) */
.input-actions {
    display: flex;
    gap: 8px;
    padding-top: 8px;
    border-top: 1px solid var(--border-color);
}

.action-btn-small {
    padding: 6px 12px;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    cursor: pointer;
    transition: all var(--transition-base);
}

.action-btn-small:hover {
    background-color: var(--bg-hover);
    color: var(--text-primary);
    border-color: var(--border-hover);
}

.action-btn-small.stop {
    background-color: var(--error);
    color: white;
    border-color: var(--error);
}

.action-btn-small.stop:hover {
    background-color: #dc2626;
}

/* Send Button */
.send-btn {
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
    border: none;
    border-radius: 50%;
    color: white;
    cursor: pointer;
    transition: all var(--transition-base);
    flex-shrink: 0;
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

.send-btn:hover:not(:disabled) {
    transform: translateY(-3px) scale(1.08);
    box-shadow: 0 8px 20px rgba(102, 126, 234, 0.4);
}

.send-btn:active:not(:disabled) {
    transform: translateY(-1px) scale(1.02);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

.send-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

/* Input Footer */
.input-footer {
    margin-top: 8px;
    display: flex;
    justify-content: center;
}

.input-hint {
    font-size: var(--font-size-xs);
    color: var(--text-tertiary);
    display: flex;
    align-items: center;
    gap: 4px;
}

.input-hint kbd {
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 2px 6px;
    font-family: 'Courier New', monospace;
    font-size: 0.75em;
    color: var(--text-primary);
    box-shadow: var(--shadow-sm);
}

/* File List */
.file-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 12px;
    padding: 8px;
    background-color: var(--bg-secondary);
    border-radius: var(--radius-md);
    max-height: 200px;
    overflow-y: auto;
}

.file-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    background-color: var(--bg-tertiary);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    transition: all var(--transition-base);
}

.file-item:hover {
    background-color: var(--bg-hover);
}

.file-icon {
    font-size: 18px;
    flex-shrink: 0;
}

.file-name {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    color: var(--text-primary);
}

.file-size {
    font-size: var(--font-size-xs);
    color: var(--text-tertiary);
    flex-shrink: 0;
}

.file-remove {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    border-radius: var(--radius-sm);
    color: var(--text-tertiary);
    cursor: pointer;
    font-size: 20px;
    line-height: 1;
    transition: all var(--transition-fast);
    flex-shrink: 0;
}

.file-remove:hover {
    background-color: var(--bg-hover);
    color: var(--error);
}

/* Drag Over State */
.input-area.drag-over {
    border: 2px dashed var(--accent-primary);
    background-color: rgba(102, 126, 234, 0.05);
}

/* File Upload Area */
.file-upload-area {
    position: relative;
    margin-bottom: 8px;
}

.file-upload-dropzone {
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-md);
    padding: 16px;
    text-align: center;
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    cursor: pointer;
    transition: all var(--transition-base);
}

.file-upload-dropzone:hover,
.file-upload-dropzone.dragover {
    border-color: var(--accent-primary);
    background-color: rgba(102, 126, 234, 0.05);
    color: var(--accent-primary);
}

.file-upload-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-top: 8px;
}

.file-upload-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 12px;
    background-color: var(--bg-tertiary);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
}

.file-upload-item-icon {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
    color: var(--text-tertiary);
}

.file-upload-item-name {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    color: var(--text-primary);
}

.file-upload-item-remove {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    border-radius: var(--radius-sm);
    color: var(--text-tertiary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.file-upload-item-remove:hover {
    background-color: var(--bg-hover);
    color: var(--error);
}

/* Voice Input Indicator */
.voice-input-indicator {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    background-color: var(--error);
    border-radius: var(--radius-md);
    color: white;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    margin-bottom: 8px;
    animation: pulse 2s infinite;
}

.voice-input-indicator .waveform {
    display: flex;
    gap: 2px;
    align-items: center;
}

.voice-input-indicator .waveform-bar {
    width: 3px;
    height: 16px;
    background-color: white;
    border-radius: var(--radius-full);
    animation: waveform 1.2s infinite ease-in-out;
}

.voice-input-indicator .waveform-bar:nth-child(1) { animation-delay: 0s; }
.voice-input-indicator .waveform-bar:nth-child(2) { animation-delay: 0.1s; }
.voice-input-indicator .waveform-bar:nth-child(3) { animation-delay: 0.2s; }
.voice-input-indicator .waveform-bar:nth-child(4) { animation-delay: 0.3s; }
.voice-input-indicator .waveform-bar:nth-child(5) { animation-delay: 0.4s; }

@keyframes waveform {
    0%, 100% {
        height: 8px;
    }
    50% {
        height: 20px;
    }
}

/* Character Count */
.char-count {
    position: absolute;
    bottom: 8px;
    right: 16px;
    font-size: var(--font-size-xs);
    color: var(--text-tertiary);
    pointer-events: none;
}

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

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

/* Responsive Input */
@media (max-width: 768px) {
    .input-area {
        padding: 12px 16px;
    }

    .input-wrapper {
        padding: 10px 12px;
    }

    .input-icon-btn,
    .send-btn {
        width: 28px;
        height: 28px;
    }

    .message-input {
        font-size: var(--font-size-sm);
    }

    .input-hint {
        font-size: 0.7rem;
    }
}