/* ==========================================
   INPUT AREA - CLEAN & STABLE
   ========================================== */

.input-area {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 24px;
    background: linear-gradient(180deg, transparent, var(--bg-app) 40%);
    display: flex;
    justify-content: center;
    pointer-events: none;
}

.input-container {
    max-width: 800px;
    width: 100%;
    position: relative;
    pointer-events: auto;
}

.input-wrapper {
    background: var(--bg-sidebar);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 10px 14px;
    display: flex;
    align-items: flex-end;
    gap: 12px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.input-wrapper:focus-within {
    border-color: var(--accent-cyan);
    box-shadow: 0 0 0 1px rgba(6, 182, 212, 0.3), 0 8px 32px rgba(0, 0, 0, 0.4);
}

/* ===== MODEL SELECTOR ===== */
.model-selector {
    position: relative;
    display: flex;
    align-items: center;
}

.model-btn {
    background: transparent;
    color: var(--text-muted);
    border: none;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.model-btn:hover {
    background: #27272a;
    color: var(--text-primary);
}

.model-btn:focus-visible {
    outline: none;
    background: #27272a;
}

.model-dropdown {
    position: absolute;
    bottom: calc(100% + 12px);
    left: 0;
    background: var(--bg-sidebar);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 8px;
    min-width: 200px;
    max-height: 280px;
    overflow-y: auto;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
    display: flex;
    flex-direction: column;
    gap: 4px;
    z-index: 100;
}

.model-dropdown.hidden {
    display: none;
}

.model-option {
    padding: 10px 14px;
    border-radius: 8px;
    font-size: 0.9rem;
    color: var(--text-muted);
    cursor: pointer;
    transition: 0.2s;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.model-option:hover {
    background: #27272a;
    color: var(--text-primary);
}

.model-option.active {
    background: rgba(6, 182, 212, 0.1);
    color: var(--accent-cyan);
    font-weight: 500;
}

.model-option.active::after {
    content: "✓";
    font-size: 1rem;
}

/* ===== TEXTAREA ===== */
textarea {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 1rem;
    resize: none;
    max-height: 200px;
    padding: 10px 0;
    outline: none;
    line-height: 1.5;
}

textarea:focus {
    outline: none;
}

textarea::placeholder {
    color: var(--text-muted);
}

textarea:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* ===== ACTION BUTTON ===== */
.action-btn {
    width: 40px;
    height: 40px;
    flex-shrink: 0;
    border-radius: 50%;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    background: var(--text-primary);
    color: var(--bg-app);
    font-size: 22px;
    font-weight: bold;
    line-height: 1;
}

.action-btn:focus-visible {
    outline: none;
    transform: scale(0.95);
}

.action-btn.send-mode {
    background: var(--text-primary);
    color: var(--bg-app);
}

.action-btn.send-mode:hover {
    background: var(--accent-cyan);
    color: white;
    transform: translateY(-2px);
}

.action-btn.stop-mode {
    background: #ef4444;
    color: white;
    font-size: 18px;
    font-weight: normal;
}

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

.action-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

/* ===== DISCLAIMER ===== */
.disclaimer {
    text-align: center;
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 12px;
    transition: opacity 0.2s ease, visibility 0.2s ease;
}

.disclaimer.hidden {
    opacity: 0;
    visibility: hidden;
    margin-top: 0;
}

/* ===== DROPDOWN MENU ITEMS ===== */
.dropdown-menu-item {
    padding: 10px 14px;
    border-radius: 8px;
    font-size: 0.9rem;
    color: var(--text-muted);
    cursor: pointer;
    transition: 0.2s;
    display: flex;
    align-items: center;
    gap: 10px;
}

.dropdown-menu-item i {
    width: 20px;
    font-size: 1rem;
}

.dropdown-menu-item:hover {
    background: #27272a;
    color: var(--text-primary);
}

.dropdown-menu-item.active {
    background: rgba(6, 182, 212, 0.1);
    color: var(--accent-cyan);
}

.dropdown-back-btn {
    padding: 8px 14px;
    font-size: 0.85rem;
    color: var(--accent-cyan);
    cursor: pointer;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 6px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.dropdown-back-btn:hover {
    background: rgba(6, 182, 212, 0.1);
}

/* ===== FILE ATTACHMENT ===== */
.file-attachment-container {
    margin-bottom: 8px;
    min-height: 36px;
}

.file-chips-wrapper {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 8px;
}

/* Single file-chip rule (consolidated) */
.file-chip {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(6, 182, 212, 0.15);
    border: 1px solid var(--accent-cyan);
    border-radius: 40px;
    padding: 6px 12px;
    font-size: 0.8rem;
    color: var(--text-primary);
    backdrop-filter: blur(4px);
    max-width: 220px;
}

.file-chip-icon {
    font-size: 1rem;
    flex-shrink: 0;
}

.file-chip-name {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    flex: 1;
}

.file-chip-remove {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 1rem;
    padding: 0 4px;
    border-radius: 50%;
    transition: 0.2s;
    flex-shrink: 0;
}

.file-chip-remove:hover {
    color: #ef4444;
    background: rgba(239, 68, 68, 0.2);
}

/* ===== DRAG & DROP ===== */
.input-container.drag-over .input-wrapper {
    border: 2px dashed var(--accent-cyan);
    background: rgba(6, 182, 212, 0.05);
    box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.2);
}

/* ===== WELCOME MODE OVERRIDES (minimal, JS handles positioning) ===== */
body.welcome-mode .disclaimer {
    display: none !important;
}