/*
 * Plant Console AI Advisor — Frontend Styles
 * No outer box or border — the widget opens into the page naturally.
 *
 * Brand Palette
 *   Bloom     : #E4E9E1  (--pc-bloom)
 *   Sage      : #AFDABF  (--pc-sage)
 *   Mint      : #559A75  (--pc-mint)
 *   Amazon    : #306C49  (--pc-amazon)
 *   Deep Teal : #00372A  (--pc-deep-teal)
 *
 * Greyscale
 *   Iron      : #D1D3D4  (--pc-iron)
 *   Aluminium : #A7A9AC  (--pc-aluminium)
 *   Stone     : #808285  (--pc-stone)
 *   Nevada    : #6D6E71  (--pc-nevada)
 *   Thunder   : #231F20  (--pc-thunder)
 * ─────────────────────────────────────────────────────────────── */

/* ── Custom Properties ─────────────────────────────────────────── */
.pcws-advisor {
    /* Brand Palette */
    --pc-bloom:        #E4E9E1;
    --pc-sage:         #AFDABF;
    --pc-mint:         #559A75;
    --pc-amazon:       #306C49;
    --pc-deep-teal:    #00372A;

    /* Greyscale */
    --pc-iron:         #D1D3D4;
    --pc-aluminium:    #A7A9AC;
    --pc-stone:        #808285;
    --pc-nevada:       #6D6E71;
    --pc-thunder:      #231F20;

    --pc-text:         #1a1a1a;
    --pc-text-muted:   #6b7280;
    --pc-border:       #AFDABF;
    --pc-bg:           #ffffff;
    --pc-bg-alt:       #E4E9E1;
    --pc-chip-bg:      #E4E9E1;
    --pc-chip-color:   #00372A;
    --pc-card-bg:      #ffffff;
    --pc-card-border:  #AFDABF;
    --pc-radius:       12px;
    --pc-radius-sm:    8px;
    --pc-shadow:       0 2px 8px rgba(0,55,42,.07);
    --pc-shadow-md:    0 4px 16px rgba(0,55,42,.12);
    --pc-font:         inherit;
    --pc-transition:   0.2s ease;
}

/* Dark theme */
.pcws-advisor--dark {
    --pc-text:        #E4E9E1;
    --pc-text-muted:  #AFDABF;
    --pc-border:      #306C49;
    --pc-bg:          #001f17;
    --pc-bg-alt:      #00372A;
    --pc-chip-bg:     #00372A;
    --pc-chip-color:  #AFDABF;
    --pc-card-bg:     #001f17;
    --pc-card-border: #306C49;
}

/* ── Widget Root ───────────────────────────────────────────────── */
.pcws-advisor {
    font-family: var(--pc-font);
    color: var(--pc-text);
    max-width: 860px;
    margin: 0 auto;
}

.pcws-advisor__title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--pc-deep-teal);
    margin: 0 0 20px;
}

/* ── Search Row ────────────────────────────────────────────────── */
.pcws-advisor__input-row {
    display: flex;
    align-items: stretch;
    gap: 8px;
}

.pcws-advisor__input-wrap {
    flex: 1;
    display: flex;
    align-items: center;
    border: 2px solid var(--pc-border);
    border-radius: var(--pc-radius);
    background: var(--pc-bg);
    transition: border-color var(--pc-transition), box-shadow var(--pc-transition);
    overflow: hidden;
}

.pcws-advisor__input-wrap:focus-within {
    border-color: var(--pc-amazon);
    box-shadow: 0 0 0 3px rgba(48,108,73,.15);
}

.pcws-advisor__input {
    flex: 1;
    border: none !important;
    outline: none !important;
    box-shadow: none !important;
    background: transparent !important;
    padding: 14px 16px;
    font-size: 1rem;
    color: var(--pc-text);
    min-width: 0;
}

.pcws-advisor__input::placeholder { color: var(--pc-text-muted); }

/* Icon buttons */
.pcws-advisor__icon-btn {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--pc-text-muted);
    padding: 10px;
    display: flex;
    align-items: center;
    transition: color var(--pc-transition);
    flex-shrink: 0;
}

.pcws-advisor__icon-btn svg    { width: 20px; height: 20px; }
.pcws-advisor__icon-btn:hover  { color: var(--pc-amazon); }

.pcws-advisor__voice-btn--recording {
    color: #e53e3e;
    animation: pcws-pulse 1s infinite;
}

@keyframes pcws-pulse {
    0%,100% { opacity: 1; }
    50%      { opacity: .4; }
}

/* Ask button */
.pcws-advisor__ask-btn {
    background: var(--pc-amazon);
    color: #fff;
    border: none;
    border-radius: var(--pc-radius);
    padding: 14px 24px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    white-space: nowrap;
    transition: background var(--pc-transition), transform var(--pc-transition);
    flex-shrink: 0;
}

.pcws-advisor__ask-btn:hover   { background: var(--pc-deep-teal); }
.pcws-advisor__ask-btn:active  { transform: scale(.97); }
.pcws-advisor__ask-btn:disabled { opacity: .6; cursor: not-allowed; }

/* ── Image Preview ─────────────────────────────────────────────── */
.pcws-advisor__image-preview {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 10px;
    padding: 8px 12px;
    background: var(--pc-bg-alt);
    border-radius: var(--pc-radius-sm);
    border: 1px solid var(--pc-border);
}

.pcws-advisor__image-thumb {
    width: 48px;
    height: 48px;
    object-fit: cover;
    border-radius: 6px;
}

.pcws-advisor__image-label {
    flex: 1;
    font-size: .875rem;
    color: var(--pc-text-muted);
}

.pcws-advisor__image-clear {
    background: none;
    border: none;
    color: var(--pc-text-muted);
    cursor: pointer;
    font-size: 1.1rem;
    padding: 4px;
    line-height: 1;
    transition: color var(--pc-transition);
}

.pcws-advisor__image-clear:hover { color: #e53e3e; }

/* ── Suggestion Chips ──────────────────────────────────────────── */
.pcws-advisor__chips {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 14px;
}

.pcws-advisor__chip {
    background: var(--pc-chip-bg);
    color: var(--pc-chip-color);
    border: 1px solid transparent;
    border-radius: 20px;
    padding: 6px 14px;
    font-size: .875rem;
    font-weight: 500;
    cursor: pointer;
    transition: background var(--pc-transition), border-color var(--pc-transition), transform var(--pc-transition);
}

.pcws-advisor__chip:hover {
    border-color: var(--pc-amazon);
    transform: translateY(-1px);
}

/* ── Popular Searches ──────────────────────────────────────────── */
.pcws-advisor__popular {
    margin-top: 10px;
    font-size: .8125rem;
    color: var(--pc-text-muted);
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 4px 8px;
}

.pcws-advisor__popular-label { font-weight: 600; }

.pcws-advisor__popular-search {
    background: none;
    border: none;
    color: var(--pc-amazon);
    cursor: pointer;
    font-size: .8125rem;
    padding: 2px 0;
    text-decoration: underline;
    text-underline-offset: 2px;
    transition: color var(--pc-transition);
}

.pcws-advisor__popular-search:hover { color: var(--pc-deep-teal); }

/* ── Expandable Content Area ───────────────────────────────────── */
.pcws-advisor__content {
    overflow: hidden;
    max-height: 0;
    opacity: 0;
    transition: max-height .4s ease, opacity .3s ease, margin-top .3s ease;
    margin-top: 0;
}

.pcws-advisor__content.pcws-is-open {
    max-height: 10000px;
    opacity: 1;
    margin-top: 24px;
}

/* ── Loading Indicator ─────────────────────────────────────────── */
.pcws-advisor__loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 32px 0;
    gap: 16px;
}

.pcws-advisor__dots { display: flex; gap: 8px; }

.pcws-advisor__dots span {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--pc-amazon);
    animation: pcws-bounce .8s infinite ease-in-out;
}

.pcws-advisor__dots span:nth-child(2) { animation-delay: .15s; }
.pcws-advisor__dots span:nth-child(3) { animation-delay: .30s; }

@keyframes pcws-bounce {
    0%,60%,100% { transform: translateY(0); opacity: .8; }
    30%          { transform: translateY(-10px); opacity: 1; }
}

.pcws-advisor__loading-text {
    color: var(--pc-text-muted);
    font-size: .9375rem;
    margin: 0;
}

/* ── Conversation Thread ───────────────────────────────────────── */
.pcws-advisor__thread {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.pcws-advisor__msg--user {
    display: flex;
    justify-content: flex-end;
}

.pcws-advisor__msg--user .pcws-advisor__bubble {
    background: var(--pc-amazon);
    color: #fff;
    border-radius: 18px 18px 4px 18px;
    padding: 12px 18px;
    max-width: 75%;
    font-size: .9375rem;
    line-height: 1.5;
    box-shadow: var(--pc-shadow);
}

.pcws-advisor__msg--assistant {
    display: flex;
    gap: 12px;
    align-items: flex-start;
}

.pcws-advisor__avatar {
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    background: var(--pc-bloom);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    color: var(--pc-deep-teal);
}

.pcws-advisor__answer-wrap { flex: 1; min-width: 0; }

.pcws-advisor__msg--assistant .pcws-advisor__bubble {
    background: var(--pc-bg-alt);
    border: 1px solid var(--pc-card-border);
    border-radius: 4px 18px 18px 18px;
    padding: 14px 18px;
    font-size: .9375rem;
    line-height: 1.65;
    box-shadow: var(--pc-shadow);
}

/* ── Answer text ───────────────────────────────────────────────── */
.pcws-advisor__answer-text strong { color: var(--pc-deep-teal); }

.pcws-advisor__answer-text ul,
.pcws-advisor__answer-text ol  { padding-left: 20px; margin: 8px 0; }

.pcws-advisor__answer-text li  { margin-bottom: 4px; }

.pcws-advisor__answer-text h3  { font-size: 1rem; font-weight: 700; margin: 12px 0 4px; }

/* ── Source Badge ──────────────────────────────────────────────── */
.pcws-advisor__source-badge {
    display: inline-block;
    font-size: .75rem;
    font-weight: 600;
    padding: 3px 10px;
    border-radius: 12px;
    margin-bottom: 8px;
}

.pcws-advisor__source-badge--catalogue {
    background: var(--pc-bloom);
    color: var(--pc-deep-teal);
}

.pcws-advisor__source-badge--hybrid {
    background: #fef3c7;
    color: #92400e;
}

.pcws-advisor__source-badge--external {
    background: #e0f2fe;
    color: #075985;
}

/* ── Product Cards ─────────────────────────────────────────────── */
.pcws-advisor__products,
.pcws-advisor__alternatives {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 12px;
    margin-top: 16px;
}

.pcws-advisor__products-label,
.pcws-advisor__alternatives-label {
    font-size: .8125rem;
    font-weight: 700;
    color: var(--pc-text-muted);
    text-transform: uppercase;
    letter-spacing: .04em;
    margin: 16px 0 8px;
}

.pcws-advisor__product-card {
    background: var(--pc-card-bg);
    border: 1px solid var(--pc-card-border);
    border-radius: var(--pc-radius-sm);
    overflow: hidden;
    box-shadow: var(--pc-shadow);
    transition: transform var(--pc-transition), box-shadow var(--pc-transition);
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
}

.pcws-advisor__product-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--pc-shadow-md);
    text-decoration: none;
    color: inherit;
}

.pcws-advisor__product-img {
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
    background: var(--pc-bg-alt);
}

.pcws-advisor__product-info {
    padding: 10px;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.pcws-advisor__product-name {
    font-size: .875rem;
    font-weight: 600;
    line-height: 1.3;
    color: var(--pc-text);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.pcws-advisor__product-cat  { font-size: .75rem; color: var(--pc-text-muted); }

.pcws-advisor__product-price {
    font-size: .875rem;
    font-weight: 700;
    color: var(--pc-deep-teal);
    margin-top: auto;
    padding-top: 4px;
}

.pcws-advisor__product-stock-no {
    font-size: .7rem;
    color: #e53e3e;
    font-weight: 500;
}

/* ── Sources Disclosure ────────────────────────────────────────── */
.pcws-advisor__sources {
    margin-top: 12px;
    font-size: .8125rem;
    color: var(--pc-text-muted);
}

.pcws-advisor__sources summary {
    cursor: pointer;
    user-select: none;
    font-weight: 500;
}

.pcws-advisor__sources ul { margin: 6px 0 0 16px; padding: 0; }

/* ── Follow-up Chips ───────────────────────────────────────────── */
.pcws-advisor__followup-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 14px;
}

.pcws-advisor__followup-chip {
    background: transparent;
    border: 1px solid var(--pc-border);
    border-radius: 16px;
    padding: 5px 12px;
    font-size: .8125rem;
    color: var(--pc-text-muted);
    cursor: pointer;
    transition: border-color var(--pc-transition), color var(--pc-transition), background var(--pc-transition);
}

.pcws-advisor__followup-chip:hover {
    border-color: var(--pc-amazon);
    color: var(--pc-deep-teal);
    background: var(--pc-bloom);
}

/* ── Follow-up Input ───────────────────────────────────────────── */
.pcws-advisor__followup {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 20px;
    padding-top: 16px;
    border-top: 1px solid var(--pc-border);
}

.pcws-advisor__followup-input {
    flex: 1;
    border: 2px solid var(--pc-border) !important;
    border-radius: var(--pc-radius) !important;
    padding: 10px 14px !important;
    font-size: .9375rem;
    background: var(--pc-bg) !important;
    color: var(--pc-text) !important;
    transition: border-color var(--pc-transition) !important;
    outline: none !important;
    box-shadow: none !important;
}

.pcws-advisor__followup-input:focus {
    border-color: var(--pc-amazon) !important;
    box-shadow: 0 0 0 3px rgba(48,108,73,.12) !important;
}

.pcws-advisor__followup-btn {
    background: var(--pc-amazon);
    color: #fff;
    border: none;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: background var(--pc-transition);
}

.pcws-advisor__followup-btn svg      { width: 16px; height: 16px; }
.pcws-advisor__followup-btn:hover    { background: var(--pc-deep-teal); }

/* ── New Search Button ─────────────────────────────────────────── */
.pcws-advisor__new-search {
    background: none;
    border: none;
    color: var(--pc-text-muted);
    cursor: pointer;
    font-size: .875rem;
    padding: 8px 0;
    margin-top: 8px;
    transition: color var(--pc-transition);
}

.pcws-advisor__new-search:hover { color: var(--pc-amazon); }

/* ── Error State ───────────────────────────────────────────────── */
.pcws-advisor__error {
    background: #fef2f2;
    border: 1px solid #fecaca;
    border-radius: var(--pc-radius-sm);
    padding: 12px 16px;
    color: #991b1b;
    font-size: .9rem;
    margin-top: 12px;
}

/* ── Responsive ────────────────────────────────────────────────── */
@media (max-width: 600px) {
    .pcws-advisor__products,
    .pcws-advisor__alternatives   { grid-template-columns: repeat(2, 1fr); }
    .pcws-advisor__ask-btn        { padding: 14px 16px; }
    .pcws-advisor__msg--user .pcws-advisor__bubble { max-width: 90%; }
}

@media (max-width: 420px) {
    .pcws-advisor__products,
    .pcws-advisor__alternatives   { grid-template-columns: 1fr 1fr; }
    .pcws-advisor__input-row      { flex-wrap: wrap; }
    .pcws-advisor__ask-btn        { width: 100%; }
}