/* ================================================================
   ZeeJB AI Assistant V2 — Premium UI Styles
   ================================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

/* ── Root Tokens ──────────────────────────────────────────────── */
:root {
    --z-blue:       #007AFF;
    --z-purple:     #5856D6;
    --z-green:      #34C759;
    --z-orange:     #FF9500;
    --z-red:        #FF3B30;
    --z-grad:       linear-gradient(135deg, #007AFF, #5856D6);
    --z-grad-gold:  linear-gradient(135deg, #f59e0b, #ef4444);

    --z-surface:    #ffffff;
    --z-bg:         #f2f2f7;
    --z-text:       #1c1c1e;
    --z-muted:      #6e6e73;
    --z-border:     rgba(0,0,0,0.08);
    --z-radius:     18px;
    --z-radius-sm:  10px;
    --z-shadow:     0 4px 24px rgba(0,0,0,0.08);
    --z-shadow-card:0 2px 12px rgba(0,0,0,0.07);
    --z-transition: all 0.25s cubic-bezier(.4,0,.2,1);
}

@media (prefers-color-scheme: dark) {
    :root {
        --z-surface:  #1c1c1e;
        --z-bg:       #000000;
        --z-text:     #f2f2f7;
        --z-muted:    #8e8e93;
        --z-border:   rgba(255,255,255,0.1);
        --z-shadow:   0 4px 24px rgba(0,0,0,0.4);
        --z-shadow-card: 0 2px 12px rgba(0,0,0,0.35);
    }
}

/* ── Assistant Shell ──────────────────────────────────────────── */
.zeejb-assistant-v2 {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--z-surface);
    border-radius: var(--z-radius);
    padding: 28px;
    box-shadow: var(--z-shadow);
    margin-bottom: 32px;
    border: 1px solid var(--z-border);
    position: relative;
    overflow: hidden;
}

.zeejb-assistant-v2::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: var(--z-grad);
}

/* ── Header ───────────────────────────────────────────────────── */
.za-head {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 20px;
}

.za-avatar {
    width: 52px; height: 52px;
    border-radius: 16px;
    background: var(--z-grad);
    display: flex; align-items: center; justify-content: center;
    font-weight: 800; color: #fff; font-size: 1.2rem;
    flex-shrink: 0;
    box-shadow: 0 4px 16px rgba(0,122,255,0.3);
}

.za-title {
    font-size: 1.4rem; font-weight: 800;
    margin: 0 0 2px; color: var(--z-text);
    letter-spacing: -0.3px;
}

.za-sub {
    font-size: 0.92rem; color: var(--z-muted);
    margin: 0;
}

/* ── Returning Visitor Banner ─────────────────────────────────── */
.za-returning {
    background: linear-gradient(135deg, rgba(0,122,255,.08), rgba(88,86,214,.06));
    border: 1px solid rgba(0,122,255,.2);
    border-radius: 14px;
    padding: 14px 18px;
    margin-bottom: 18px;
    display: flex;
    align-items: center;
    gap: 14px;
    animation: za-fadein 0.4s ease;
}

.za-returning-icon { font-size: 1.4rem; flex-shrink: 0; }

.za-returning-text {
    flex: 1;
    font-size: 0.9rem; color: var(--z-text);
    font-weight: 500;
}

.za-returning-text strong { color: var(--z-blue); }

.za-returning-btn {
    background: var(--z-grad);
    color: #fff; border: none;
    padding: 8px 18px; border-radius: 10px;
    font-weight: 700; font-size: 0.88rem;
    cursor: pointer; white-space: nowrap;
    transition: var(--z-transition);
}

.za-returning-btn:hover { transform: translateY(-1px); box-shadow: 0 4px 12px rgba(0,122,255,0.3); }

/* ── Quick Action Chips ───────────────────────────────────────── */
.za-quick-actions {
    display: flex; flex-wrap: wrap; gap: 8px;
    margin-bottom: 18px;
}

.za-qa {
    border: 1.5px solid var(--z-border);
    background: transparent; color: var(--z-text);
    padding: 8px 16px; border-radius: 999px;
    cursor: pointer; font-size: 0.88rem;
    font-weight: 600; transition: var(--z-transition);
    font-family: inherit;
}

.za-qa:hover {
    border-color: var(--z-blue);
    color: var(--z-blue);
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(0,122,255,0.12);
}

.za-qa.za-accent {
    background: var(--z-grad);
    color: #fff; border: none;
    box-shadow: 0 2px 12px rgba(0,122,255,0.2);
}

.za-qa.za-accent:hover { box-shadow: 0 4px 16px rgba(0,122,255,0.35); }

/* ── Ask Box ──────────────────────────────────────────────────── */
.za-ask-box {
    display: flex; gap: 10px; margin-bottom: 20px;
}

.za-ask-input {
    flex: 1;
    padding: 14px 18px;
    border: 2px solid var(--z-border);
    border-radius: 14px;
    font-size: 0.98rem;
    font-family: inherit;
    background: var(--z-bg);
    color: var(--z-text);
    transition: var(--z-transition);
    outline: none;
}

.za-ask-input:focus {
    border-color: var(--z-blue);
    background: var(--z-surface);
    box-shadow: 0 0 0 4px rgba(0,122,255,0.08);
}

.za-ask-input::placeholder { color: var(--z-muted); }

.za-ask-btn {
    background: var(--z-grad);
    color: #fff; border: none;
    padding: 0 26px; border-radius: 14px;
    font-weight: 700; font-size: 0.98rem;
    font-family: inherit;
    cursor: pointer;
    transition: var(--z-transition);
    white-space: nowrap;
    min-width: 80px;
}

.za-ask-btn:hover { transform: translateY(-1px); box-shadow: 0 4px 16px rgba(0,122,255,0.3); }
.za-ask-btn:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }

/* ── Device / iOS Chips ───────────────────────────────────────── */
.za-chips-row {
    display: flex; flex-wrap: wrap; gap: 20px; margin-bottom: 4px;
}

.za-chips-group { flex: 1; min-width: 240px; }

.za-chips-label {
    font-size: 0.75rem; font-weight: 700;
    text-transform: uppercase; letter-spacing: 0.8px;
    color: var(--z-muted); margin-bottom: 8px;
    display: block;
}

.za-chips {
    display: flex; flex-wrap: wrap; gap: 7px;
}

.za-chip {
    border: 1.5px solid var(--z-border);
    background: transparent; color: var(--z-text);
    padding: 6px 13px; border-radius: 10px;
    cursor: pointer; font-size: 0.83rem;
    font-family: inherit;
    font-weight: 500;
    transition: var(--z-transition);
}

.za-chip:hover { border-color: var(--z-blue); color: var(--z-blue); }
.za-chip.active { background: var(--z-blue); color: #fff; border-color: var(--z-blue); }

/* ── Loading Spinner ──────────────────────────────────────────── */
.za-loading {
    display: flex; align-items: center; gap: 12px;
    padding: 20px; color: var(--z-muted); font-size: 0.95rem;
}

.za-spinner {
    width: 22px; height: 22px;
    border: 2.5px solid var(--z-border);
    border-top-color: var(--z-blue);
    border-radius: 50%;
    animation: za-spin 0.7s linear infinite;
    flex-shrink: 0;
}

@keyframes za-spin { to { transform: rotate(360deg); } }

/* ── Result Container ─────────────────────────────────────────── */
.za-result {
    margin-top: 24px;
    animation: za-fadein 0.35s ease;
}

@keyframes za-fadein {
    from { opacity: 0; transform: translateY(8px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ── Status Bar ───────────────────────────────────────────────── */
.za-status-bar {
    display: flex; align-items: center; gap: 12px;
    padding: 14px 18px; border-radius: 14px;
    margin-bottom: 20px;
    font-weight: 700;
}

.za-status-bar.ok   { background: rgba(52,199,89,0.1); color: var(--z-green); }
.za-status-bar.warn { background: rgba(255,149,0,0.1); color: var(--z-orange); }
.za-status-bar.info { background: rgba(0,122,255,0.08); color: var(--z-blue); }

.za-status-icon { font-size: 1.3rem; }
.za-status-text { flex: 1; }
.za-status-label { font-size: 1rem; margin: 0; }
.za-status-reason { font-size: 0.88rem; font-weight: 400; opacity: 0.8; margin: 3px 0 0; }

/* ── AI Answer Block ──────────────────────────────────────────── */
.za-ai-answer {
    background: linear-gradient(135deg, rgba(0,122,255,.05), rgba(88,86,214,.04));
    border: 1px solid rgba(0,122,255,.15);
    border-radius: 14px;
    padding: 18px 20px;
    margin-bottom: 20px;
    position: relative;
}

.za-ai-badge {
    display: inline-flex; align-items: center; gap: 6px;
    background: var(--z-grad);
    color: #fff;
    font-size: 0.72rem; font-weight: 700;
    padding: 3px 10px; border-radius: 999px;
    margin-bottom: 10px;
    letter-spacing: 0.4px;
}

.za-ai-text {
    font-size: 0.95rem; line-height: 1.65;
    color: var(--z-text); margin: 0;
}

/* ── 3-Card Grid ──────────────────────────────────────────────── */
.za-cards {
    display: grid;
    grid-template-columns: 1fr;
    gap: 14px;
    margin-bottom: 20px;
}

@media (min-width: 640px) {
    .za-cards { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 900px) {
    .za-cards.three-col { grid-template-columns: repeat(3, 1fr); }
}

/* ── Product Card ─────────────────────────────────────────────── */
.za-product-card {
    background: var(--z-bg);
    border: 1.5px solid var(--z-border);
    border-radius: 16px;
    padding: 18px;
    display: flex; flex-direction: column;
    transition: var(--z-transition);
    position: relative;
    overflow: hidden;
}

.za-product-card:hover {
    border-color: var(--z-blue);
    box-shadow: 0 6px 24px rgba(0,122,255,0.12);
    transform: translateY(-2px);
}

.za-product-card.primary {
    border-color: var(--z-blue);
    background: linear-gradient(135deg, rgba(0,122,255,.04), rgba(88,86,214,.03));
}

.za-product-card.primary::after {
    content: 'Best Match';
    position: absolute; top: 12px; right: 12px;
    background: var(--z-grad); color: #fff;
    font-size: 0.68rem; font-weight: 700;
    padding: 3px 9px; border-radius: 999px;
    letter-spacing: 0.3px;
}

/* Badge */
.za-product-badge {
    display: inline-flex;
    align-items: center;
    background: rgba(0,122,255,0.1);
    color: var(--z-blue);
    font-size: 0.7rem; font-weight: 700;
    padding: 3px 9px; border-radius: 999px;
    margin-bottom: 10px;
    letter-spacing: 0.3px;
    width: fit-content;
}

/* Product name */
.za-product-name {
    font-size: 1.05rem; font-weight: 800;
    color: var(--z-text); margin: 0 0 6px;
}

/* Outcome tagline */
.za-product-outcome {
    font-size: 0.88rem; color: var(--z-muted);
    margin: 0 0 14px; flex: 1; line-height: 1.5;
}

/* Trust bar */
.za-trust-bar {
    display: flex; align-items: center; gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 14px;
    padding: 8px 10px;
    background: rgba(0,0,0,.03);
    border-radius: 10px;
    font-size: 0.75rem;
}

@media (prefers-color-scheme: dark) {
    .za-trust-bar { background: rgba(255,255,255,.05); }
}

.za-trust-item {
    display: flex; align-items: center; gap: 4px;
    color: var(--z-muted); font-weight: 500;
}

.za-trust-icon { font-size: 0.85rem; }

.za-trust-verified {
    color: var(--z-green);
    font-weight: 700;
}

.za-trust-stars { color: #f59e0b; letter-spacing: 1px; }

/* Install button */
.za-install-btn {
    display: block; width: 100%; text-align: center;
    background: var(--z-grad);
    color: #fff; text-decoration: none;
    padding: 11px 16px; border-radius: 12px;
    font-weight: 700; font-size: 0.9rem;
    transition: var(--z-transition);
    border: none; cursor: pointer;
    font-family: inherit;
}

.za-install-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 14px rgba(0,122,255,0.3);
    color: #fff; text-decoration: none;
}

/* ── Guide Card ───────────────────────────────────────────────── */
.za-guide-card {
    background: var(--z-bg);
    border: 1.5px solid var(--z-border);
    border-radius: 16px;
    padding: 18px;
    display: flex; flex-direction: column;
    gap: 10px;
    transition: var(--z-transition);
}

.za-guide-card:hover {
    border-color: var(--z-purple);
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(88,86,214,0.12);
}

.za-guide-eyebrow {
    font-size: 0.72rem; font-weight: 700;
    text-transform: uppercase; letter-spacing: 0.8px;
    color: var(--z-purple);
}

.za-guide-title {
    font-size: 0.95rem; font-weight: 700;
    color: var(--z-text); margin: 0; line-height: 1.4;
}

.za-guide-summary {
    font-size: 0.85rem; color: var(--z-muted); margin: 0; line-height: 1.5;
    flex: 1;
}

.za-guide-btn {
    display: inline-flex; align-items: center; gap: 6px;
    background: rgba(88,86,214,0.1);
    color: var(--z-purple); text-decoration: none;
    padding: 9px 16px; border-radius: 10px;
    font-weight: 700; font-size: 0.86rem;
    transition: var(--z-transition);
    border: none; cursor: pointer; font-family: inherit;
    width: fit-content;
}

.za-guide-btn:hover {
    background: var(--z-purple);
    color: #fff; text-decoration: none;
    transform: translateY(-1px);
}

/* ── Inline Email Capture ─────────────────────────────────────── */
.za-email-capture {
    background: linear-gradient(135deg, rgba(0,122,255,.06), rgba(88,86,214,.05));
    border: 1.5px solid rgba(0,122,255,.2);
    border-radius: 16px;
    padding: 22px;
    margin-bottom: 18px;
    animation: za-fadein 0.4s ease;
}

.za-email-capture h4 {
    font-size: 1.05rem; font-weight: 800;
    color: var(--z-text); margin: 0 0 6px;
}

.za-email-capture p {
    font-size: 0.88rem; color: var(--z-muted);
    margin: 0 0 16px; line-height: 1.5;
}

.za-email-form {
    display: flex; gap: 8px; flex-wrap: wrap;
}

.za-email-input {
    flex: 1; min-width: 200px;
    padding: 11px 16px;
    border: 1.5px solid var(--z-border);
    border-radius: 12px;
    font-size: 0.92rem; font-family: inherit;
    background: var(--z-surface); color: var(--z-text);
    outline: none; transition: var(--z-transition);
}

.za-email-input:focus {
    border-color: var(--z-blue);
    box-shadow: 0 0 0 3px rgba(0,122,255,0.1);
}

.za-email-submit {
    background: var(--z-grad); color: #fff;
    border: none; padding: 11px 22px;
    border-radius: 12px; font-weight: 700;
    font-size: 0.92rem; font-family: inherit;
    cursor: pointer; transition: var(--z-transition);
    white-space: nowrap;
}

.za-email-submit:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 14px rgba(0,122,255,0.25);
}

.za-email-success {
    display: flex; align-items: center; gap: 10px;
    color: var(--z-green); font-weight: 700; font-size: 0.95rem;
    padding: 10px 0; animation: za-fadein 0.3s ease;
}

/* ── Safety Notice ────────────────────────────────────────────── */
.za-safety {
    background: rgba(255,149,0,0.08);
    border-left: 4px solid var(--z-orange);
    border-radius: 0 12px 12px 0;
    padding: 12px 16px;
    font-size: 0.85rem; color: var(--z-text);
    line-height: 1.5; margin-bottom: 16px;
}

.za-safety strong { color: var(--z-orange); }

/* ── Bottom CTAs ──────────────────────────────────────────────── */
.za-cta-row {
    display: flex; flex-wrap: wrap; gap: 10px;
    margin-top: 4px;
}

.za-cta-btn {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 9px 18px; border-radius: 10px;
    font-weight: 600; font-size: 0.88rem;
    cursor: pointer; transition: var(--z-transition);
    text-decoration: none; border: 1.5px solid var(--z-border);
    background: transparent; color: var(--z-text);
    font-family: inherit;
}

.za-cta-btn:hover {
    border-color: var(--z-blue); color: var(--z-blue);
    background: rgba(0,122,255,0.04);
    transform: translateY(-1px); text-decoration: none;
}

/* ── Bookmark Nudge ───────────────────────────────────────────── */
.za-bookmark-nudge {
    display: flex; align-items: center; gap: 10px;
    background: rgba(88,86,214,.06);
    border: 1px solid rgba(88,86,214,.15);
    border-radius: 12px;
    padding: 12px 16px; margin-top: 16px;
    font-size: 0.86rem; color: var(--z-muted);
    animation: za-fadein 0.5s ease 0.5s both;
}

.za-bookmark-nudge strong { color: var(--z-text); }

/* ── Responsive ───────────────────────────────────────────────── */
@media (max-width: 640px) {
    .zeejb-assistant-v2 { padding: 20px 16px; }
    .za-title { font-size: 1.2rem; }
    .za-ask-btn { padding: 0 18px; font-size: 0.9rem; }
    .za-product-card.primary::after { display: none; }
    .za-email-form { flex-direction: column; }
    .za-email-input, .za-email-submit { width: 100%; }
}