/* ============================================================
   Agent V2 — Chat Input Composer
   Glassmorphic container, pills, active glowing states, image preview.
   Depends on: agent-v2-tokens.css
   ============================================================ */

.agent-input {
    display: flex;
    flex-direction: column;
    gap: var(--md-sys-spacing-2);
    width: 100%;
}

/* ── Context drawer / pills ─────────────────────────────────── */
.agent-input__context {
    display: flex;
    align-items: center;
    gap: var(--md-sys-spacing-2);
    padding: 0 4px;
}

.agent-input__context-icon {
    display: flex;
    align-items: center;
    color: var(--md-sys-color-on-surface-variant);
    opacity: 0.7;
}

.agent-input__pills {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    align-items: center;
}

.agent-input__pill {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    border-radius: 12px;
    border: 1px solid var(--agent-border);
    background: var(--agent-surface);
    color: var(--md-sys-color-on-surface-variant);
    font-size: 10px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--duration-fast) var(--ease-out-spring);
    user-select: none;
}

.agent-input__pill:hover {
    color: var(--md-sys-color-on-surface);
    border-color: rgba(255, 255, 255, 0.15);
    background: var(--agent-surface-hover);
    transform: translateY(-1px) scale(1.02);
}

.agent-input__pill--active {
    background: rgba(0, 240, 255, 0.08);
    color: var(--md-sys-color-primary);
    border-color: rgba(0, 240, 255, 0.25);
    box-shadow: 0 0 10px var(--agent-glow);
}

.agent-input__pill--active:hover {
    background: rgba(0, 240, 255, 0.12);
    color: var(--md-sys-color-primary);
    border-color: rgba(0, 240, 255, 0.35);
}

.agent-input__pill-icon {
    font-size: 11px;
}

.agent-input__pill-label {
    line-height: 1;
}

/* ── Composer / Textarea Wrapper ────────────────────────────── */
.agent-input__composer {
    position: relative;
    display: flex;
    align-items: flex-end;
    gap: var(--md-sys-spacing-2);
    padding: 8px 12px;
    background: var(--agent-surface-elevated);
    backdrop-filter: blur(20px) saturate(190%);
    -webkit-backdrop-filter: blur(20px) saturate(190%);
    border: 1px solid var(--agent-border);
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25), inset 0 1px 0 rgba(255, 255, 255, 0.03);
    transition: border-color var(--duration-normal) ease,
                box-shadow var(--duration-normal) ease,
                background var(--duration-normal) ease;
}

.agent-input__composer:focus-within {
    border-color: rgba(0, 240, 255, 0.4);
    background: var(--agent-surface-hover);
    box-shadow: 0 4px 24px rgba(0, 240, 255, 0.08), 0 0 0 1px rgba(0, 240, 255, 0.15), inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

/* ── Anchors for floating dropdowns ─────────────────────────── */
.agent-input__palette-anchor,
.agent-input__mention-anchor {
    position: absolute;
    bottom: 100%;
    left: 0;
    right: 0;
}

/* ── Textarea ────────────────────────────────────────────────── */
.agent-input__textarea {
    flex: 1;
    border: none !important;
    outline: none !important;
    background: transparent !important;
    resize: none;
    font-family: inherit;
    font-size: var(--md-sys-typescale-body-large);
    line-height: 1.5;
    color: var(--md-sys-color-on-surface);
    padding: 4px 0;
    margin: 0;
    height: 20px;
    min-height: 20px;
    max-height: 120px;
}

.agent-input__textarea::placeholder {
    color: var(--input-placeholder);
    opacity: 0.65;
}

/* ── Send / Stop Buttons ─────────────────────────────────────── */
.agent-input__send-wrap,
.agent-input__interrupt {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    margin-bottom: 2px;
}

.agent-input__send {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 26px;
    height: 26px;
    border: none;
    border-radius: 50%;
    background: var(--md-sys-color-primary);
    color: var(--md-sys-color-on-primary);
    cursor: pointer;
    transition: all var(--duration-fast) var(--ease-out-spring);
    box-shadow: 0 2px 8px rgba(0, 240, 255, 0.25);
    padding: 0;
}

.agent-input__send:hover:not(:disabled) {
    background: var(--md-sys-color-primary-hover);
    transform: scale(1.08) translateY(-0.5px);
    box-shadow: 0 4px 12px rgba(0, 240, 255, 0.4);
}

.agent-input__send:active:not(:disabled) {
    transform: scale(0.95);
}

.agent-input__send:disabled {
    background: rgba(255, 255, 255, 0.04);
    color: var(--md-sys-color-on-surface-variant);
    opacity: 0.4;
    cursor: not-allowed;
    box-shadow: none;
}

/* Interrupt / Stop */
.agent-input__interrupt-btn {
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 4px 10px;
    border-radius: 14px;
    border: 1px solid rgba(255, 59, 48, 0.3);
    background: rgba(255, 59, 48, 0.08);
    color: var(--status-error);
    font-size: 10px;
    font-weight: 700;
    cursor: pointer;
    transition: all var(--duration-fast) ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.agent-input__interrupt-btn:hover {
    background: rgba(255, 59, 48, 0.16);
    border-color: rgba(255, 59, 48, 0.5);
    box-shadow: 0 0 8px rgba(255, 59, 48, 0.2);
    transform: translateY(-0.5px);
}

.agent-input__interrupt-btn svg {
    width: 10px;
    height: 10px;
    fill: currentColor;
}

/* ── Pasted Image Preview ────────────────────────────────────── */
.agent-input__img-preview {
    position: relative;
    display: inline-flex;
    margin-bottom: 8px;
    border-radius: 8px;
    border: 1px solid var(--agent-border);
    overflow: hidden;
    max-width: 120px;
    max-height: 80px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.agent-input__img-preview img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.agent-input__img-remove {
    position: absolute;
    top: 4px;
    right: 4px;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    border: none;
    background: rgba(0, 0, 0, 0.6);
    color: #fff;
    font-size: 9px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background var(--duration-fast) ease, transform var(--duration-fast) ease;
}

.agent-input__img-remove:hover {
    background: var(--status-error);
    transform: scale(1.1);
}

/* ── Footer Info / Step Mode ─────────────────────────────────── */
.agent-input__footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 4px;
    font-size: 10px;
    color: var(--md-sys-color-on-surface-variant);
    user-select: none;
}

.agent-input__ctx-count {
    opacity: 0.7;
}

.agent-input__step-toggle {
    display: flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    transition: color var(--duration-fast) ease;
}

.agent-input__step-toggle:hover {
    color: var(--md-sys-color-on-surface);
}

.agent-input__step-cb {
    appearance: none;
    width: 12px;
    height: 12px;
    border: 1.5px solid var(--md-sys-color-outline);
    border-radius: 3px;
    background: transparent;
    cursor: pointer;
    position: relative;
    transition: all var(--duration-fast) ease;
}

.agent-input__step-cb:checked {
    background: var(--md-sys-color-primary);
    border-color: var(--md-sys-color-primary);
    box-shadow: 0 0 6px var(--agent-glow);
}

.agent-input__step-cb:checked::after {
    content: '';
    position: absolute;
    left: 3px;
    top: 0px;
    width: 3px;
    height: 6px;
    border: solid #000;
    border-width: 0 1.5px 1.5px 0;
    transform: rotate(45deg);
}

/* ── Reduced Motion ──────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
    .agent-input__pill,
    .agent-input__send,
    .agent-input__interrupt-btn,
    .agent-input__img-remove {
        transition: none !important;
        transform: none !important;
    }
}