/* ============================================================
   COMMAND WRAPPER — file staging
   ============================================================ */
#file-staging-container {
    width: 100%;
    min-height: 40px;
    max-height: 80px;
    overflow-y: auto;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    padding-bottom: 8px;
    margin-bottom: 8px;
    border-bottom: 1px solid var(--border-muted);
    flex-shrink: 0;
    position: sticky;
    top: 0;
    background: var(--bg-deep);
    z-index: 5;
}
#file-staging-container:empty {
    display: none;
    min-height: 0;
}

/* ============================================================
   INPUT FRAME (single canonical)
   ============================================================ */
.input-frame {
    background: color-mix(in srgb, var(--bg-card) 92%, transparent);
    border: none;
    border-radius: 24px;
    padding: 10px 12px;
    display: flex;
    flex-direction: column;
    transition: background-color 0.25s ease, box-shadow 0.25s ease;
    box-shadow:
        0 20px 40px -20px rgba(0, 0, 0, 0.65),
        0 0 0 1px var(--border-muted);
}
.input-frame:focus-within {
    background: color-mix(in srgb, var(--bg-card) 98%, transparent);
    box-shadow:
        0 20px 40px -20px rgba(0, 0, 0, 0.65),
        0 0 0 1px color-mix(in srgb, var(--accent-glow) 45%, transparent),
        0 0 40px -12px color-mix(in srgb, var(--accent-glow) 25%, transparent);
}

/* ============================================================
   INPUT ROW + TEXTAREA
   ============================================================ */
.input-row {
    display: flex;
    align-items: flex-end;
    gap: 10px;
    width: 100%;
    min-height: 42px;
}
textarea {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--text-main);
    font-size: 14px;
    padding: 8px 5px;
    resize: none;
    max-height: 180px;
    font-family: 'Inter', sans-serif;
    line-height: 1.5;
}
textarea::placeholder { color: #6b7280; }
textarea::-webkit-scrollbar { width: 4px; }
textarea::-webkit-scrollbar-thumb {
    background: var(--border-muted);
    border-radius: 2px;
}

/* ============================================================
   INPUT ACTIONS
   ============================================================ */
.input-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}
.action-btn {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: 0.2s;
    flex-shrink: 0;
    background: transparent;
    color: var(--text-muted);
    font-family: 'Inter', sans-serif;
}
.action-btn:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-main);
}

/* ============================================================
   ENHANCE BUTTON
   ============================================================ */
.enhance-btn {
    color: var(--accent-glow-pro);
}
.enhance-btn:hover {
    background: rgba(139, 92, 246, 0.15);
    color: #fff;
    box-shadow: 0 0 10px rgba(139, 92, 246, 0.3);
}
.enhance-btn.loading {
    animation: pulse 1s infinite;
    opacity: 0.5;
    cursor: not-allowed;
}

/* ============================================================
   ATTACH + MIC
   ============================================================ */
.attach-btn:hover {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-main);
}
.mic-btn.listening {
    color: var(--color-danger);
    animation: pulse 1.5s infinite;
    background: rgba(239, 68, 68, 0.1);
}

/* ============================================================
   SEND BUTTON — MASTER
   ============================================================ */
.send-btn {
    background: var(--text-main);
    color: var(--bg-deep);
    border-radius: 50%;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    cursor: pointer;
}
.send-btn:hover {
    opacity: 0.8;
}
.send-btn:hover:not(:disabled) {
    transform: scale(1.05);
    background: #ffffff;
    box-shadow: 0 0 15px rgba(255, 255, 255, 0.3);
}
.send-btn:disabled {
    background: var(--bg-card);
    color: #4b5563;
    cursor: not-allowed;
}
.send-btn.btn-stop-active {
    background: rgba(255, 255, 255, 0.05) !important;
    color: var(--accent-glow) !important;
    border: 1px solid var(--accent-glow) !important;
    border-radius: 12px !important;
    box-shadow: 0 0 25px -5px color-mix(in srgb, var(--accent-glow) 25%, transparent) !important;
    width: auto !important;
    padding: 0 12px !important;
}

/* Per-workspace stop-active tint */
body.workspace-data .send-btn.btn-stop-active {
    background: rgba(0, 255, 136, 0.15) !important;
    color: #00ff88 !important;
    border-color: #00ff88 !important;
    box-shadow: 0 0 20px rgba(0, 255, 136, 0.4) !important;
}
body.workspace-design .send-btn.btn-stop-active {
    background: rgba(255, 26, 74, 0.15) !important;
    color: #ff1a4a !important;
    border-color: #ff1a4a !important;
    box-shadow: 0 0 20px rgba(255, 26, 74, 0.4) !important;
}

/* ============================================================
   PLUS MENU / FEATURES DROPDOWN
   ============================================================ */
.plus-menu-btn {
    color: var(--text-muted);
    transition: transform 0.2s var(--ease-out-expo), background 0.2s;
}
.plus-menu-btn:hover {
    color: var(--text-main);
    background: rgba(255, 255, 255, 0.08);
}
.features-dropdown-wrapper {
    position: relative;
    display: inline-flex;
    align-items: center;
}
.features-dropdown-wrapper:has(.features-menu.open) .plus-menu-btn {
    transform: rotate(45deg);
    color: var(--accent-glow);
}

.features-menu {
    position: absolute;
    bottom: calc(100% + 14px);
    left: 0;
    right: auto;
    min-width: 260px;
    max-height: 420px;
    overflow-y: auto;
    border-radius: 16px;
    padding: 6px;
    display: none;
    flex-direction: column;
    gap: 2px;
    z-index: var(--z-floating);
}
.features-menu.open {
    display: flex !important;
    opacity: 1;
    transform: translateY(0) scale(1);
}
.feature-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 14px;
    border-radius: 10px;
    color: var(--text-main);
    cursor: pointer;
    font-size: 13px;
    font-weight: 500;
    transition: background 0.15s ease;
    border: none;
    background: transparent;
}
.feature-item:hover { background: rgba(255, 255, 255, 0.08); }
.feature-item .material-symbols-rounded {
    font-size: 18px;
    color: var(--accent-glow);
}
.feature-item.upload-highlight {
    border-bottom: 1px solid var(--border-muted);
    margin-bottom: 4px;
    padding-bottom: 12px;
    font-weight: 600;
}
.feature-item.upload-highlight .material-symbols-rounded {
    color: var(--accent-secondary);
}
.feature-item span:last-child { flex: 1; }

/* ============================================================
   COMMAND WRAPPER
   ============================================================ */
.command-wrapper {
    position: fixed;
    bottom: max(14px, env(safe-area-inset-bottom));
    left: 50%;
    transform: translateX(-50%);
    width: min(800px, calc(100% - 24px));
    padding: 0;
    z-index: var(--z-command-bar);
    background: transparent !important;
    display: flex;
    flex-direction: column;
    max-height: 90vh;
    overflow: visible !important;
    transition: transform var(--transition-base), opacity var(--transition-base);
}

.command-disclaimer {
    color: var(--text-muted);
    font-size: 11px;
    margin-top: 8px;
    text-align: center;
}

/* ============================================================
   OFFLINE BANNER
   ============================================================ */
#offline-banner {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: var(--color-danger);
    color: #fff;
    text-align: center;
    padding: 10px;
    z-index: var(--z-toast);
    font-weight: 600;
    font-size: 14px;
    display: none;
    box-shadow: 0 4px 15px rgba(239, 68, 68, 0.4);
    font-family: 'Inter', sans-serif;
}
/* ============================================================
   ELITE COMMAND — rotating send ring, glass depth, spring menus
   ============================================================ */
@layer elite {

/* Command bar — at-rest ambient glow, focus bloom */
.input-frame {
    transition:
        background-color var(--duration-swift) var(--ease-smooth),
        box-shadow var(--duration-swift) var(--ease-smooth),
        transform var(--duration-swift) var(--ease-overshoot);
}
.input-frame:focus-within {
    transform: translateY(-1px);
    box-shadow:
        0 24px 60px -20px rgba(0,0,0,0.7),
        0 0 0 1px color-mix(in srgb, var(--accent-glow) 50%, transparent),
        0 0 60px -16px color-mix(in srgb, var(--accent-glow) 35%, transparent);
}

/* Send button — rotating conic glow ring on hover.
   Modern, restrained, unmistakably premium. */
.send-btn {
    position: relative;
    z-index: 0;
    transition:
        transform var(--duration-quick) var(--ease-elastic),
        background var(--duration-quick) var(--ease-smooth),
        box-shadow var(--duration-quick) var(--ease-smooth);
}
.send-btn::before {
    content: '';
    position: absolute;
    inset: -2px;
    border-radius: inherit;
    background: conic-gradient(from var(--gradient-angle),
        transparent 0deg,
        var(--accent-glow) 60deg,
        transparent 180deg,
        var(--accent-pro) 240deg,
        transparent 360deg);
    opacity: 0;
    z-index: -1;
    pointer-events: none;
    filter: blur(2px);
    transition: opacity var(--duration-swift) var(--ease-smooth);
}
.send-btn:hover:not(:disabled)::before {
    opacity: 1;
    animation: rotateGradient 3s linear infinite;
}
@keyframes rotateGradient {
    to { --gradient-angle: 360deg; }
}
.send-btn:active:not(:disabled) { transform: scale(0.92); }

/* Action buttons (attach / mic / enhance) — tactile press */
.action-btn {
    transition:
        background var(--duration-quick) var(--ease-smooth),
        color var(--duration-quick) var(--ease-smooth),
        transform var(--duration-quick) var(--ease-elastic),
        box-shadow var(--duration-quick) var(--ease-smooth);
}
.action-btn:active { transform: scale(0.90); }
.action-btn:hover {
    box-shadow: 0 0 0 1px rgba(255,255,255,0.08) inset,
                0 4px 12px -4px rgba(0,0,0,0.4);
}

/* Features menu — spring entry, elevated surface */
.features-menu {
    background: color-mix(in srgb, var(--bg-card) 85%, transparent);
    border: 1px solid rgba(255,255,255,0.08);
    box-shadow:
        0 1px 0 rgba(255,255,255,0.05) inset,
        var(--shadow-floating),
        0 0 60px -20px color-mix(in srgb, var(--accent-glow) 25%, transparent);
    backdrop-filter: blur(24px) saturate(180%);
    -webkit-backdrop-filter: blur(24px) saturate(180%);
    transform-origin: bottom left;
}
.features-menu.open {
    animation: menuSpring 0.28s var(--ease-overshoot) forwards;
}
@keyframes menuSpring {
    from { opacity: 0; transform: translateY(8px) scale(0.94); }
    to   { opacity: 1; transform: translateY(0) scale(1); }
}
.feature-item {
    transition:
        background var(--duration-quick) var(--ease-smooth),
        transform var(--duration-quick) var(--ease-elastic);
}
.feature-item:hover {
    background: color-mix(in srgb, var(--accent-glow) 8%, transparent);
    transform: translateX(2px);
}
.feature-item .material-symbols-rounded {
    transition: transform var(--duration-quick) var(--ease-elastic);
}
.feature-item:hover .material-symbols-rounded {
    transform: scale(1.15);
}

/* File staging chips — sparkle on new file */
.file-chip {
    animation: chipArrive 0.4s var(--ease-overshoot) both;
}
@keyframes chipArrive {
    from { opacity: 0; transform: scale(0.8) translateY(4px); }
    to   { opacity: 1; transform: scale(1) translateY(0); }
}

} /* end @layer elite */

/* ============================================================
   BUG FIX 2: REMOVE INNER BORDER RADIUS ON PROMPT INPUT
   ============================================================ */
#prompt-input,
#prompt-input:focus,
#prompt-input:focus-visible {
    border-radius: 0 !important;
    outline: none !important;
    box-shadow: none !important; /* Removes the inner glowing focus ring */
    background: transparent !important;
}