/* Chakula Smart — AI Concierge Widget (Bootstrap + Font Awesome) */
:root {
    --chakula-ai-green: #1b4332;
    --chakula-ai-green-mid: #2d6a4f;
    --chakula-ai-green-light: #40916c;
    --chakula-ai-gold: #d4af37;
}

.chakula-ai-wrapper {
    position: fixed;
    bottom: calc(24px + env(safe-area-inset-bottom, 0px));
    right: calc(24px + env(safe-area-inset-right, 0px));
    z-index: 1050;
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
}

.chakula-ai-toggle,
.chakula-ai-send-btn,
.chakula-ai-icon-btn,
.chakula-ai-tool-btn,
.chakula-ai-chip {
    touch-action: manipulation;
}

/* ── Backdrop ── */
.chakula-ai-backdrop {
    position: fixed;
    inset: 0;
    z-index: 1049;
    background: rgba(15, 40, 28, 0.32);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}
.chakula-ai-backdrop.active {
    opacity: 1;
    pointer-events: auto;
}

/* ── Floating launcher ── */
.chakula-ai-toggle {
    position: relative;
    width: clamp(58px, 14vw, 64px);
    height: clamp(58px, 14vw, 64px);
    background: linear-gradient(145deg, var(--chakula-ai-green) 0%, var(--chakula-ai-green-mid) 55%, var(--chakula-ai-green-light) 100%);
    box-shadow: 0 10px 36px rgba(27, 67, 50, 0.38);
    transition: transform 0.35s cubic-bezier(0.34, 1.4, 0.64, 1), box-shadow 0.3s ease, opacity 0.25s ease;
}
.chakula-ai-toggle:hover {
    transform: scale(1.06);
    box-shadow: 0 14px 44px rgba(27, 67, 50, 0.48);
}
.chakula-ai-toggle:focus-visible {
    outline: 2px solid #52b788;
    outline-offset: 3px;
}
.chakula-ai-toggle.is-hidden {
    opacity: 0;
    transform: scale(0.6);
    pointer-events: none;
}

.chakula-ai-toggle-chevron {
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 22px;
    height: 22px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.96);
    color: var(--chakula-ai-green);
    font-size: 0.62rem;
    box-shadow: 0 4px 12px rgba(15, 40, 28, 0.22);
    pointer-events: none;
    transition: opacity 0.25s ease, transform 0.25s ease;
}

.chakula-ai-toggle:hover .chakula-ai-toggle-chevron,
.chakula-ai-toggle:focus-visible .chakula-ai-toggle-chevron {
    transform: translateX(-50%) translateY(-2px);
}

.chakula-ai-toggle.is-hidden .chakula-ai-toggle-chevron {
    opacity: 0;
}
.chakula-ai-toggle-ring {
    position: absolute;
    inset: -6px;
    border-radius: 50%;
    border: 2px solid rgba(64, 145, 108, 0.55);
    animation: chakulaAiPulse 2.4s ease-out infinite;
    pointer-events: none;
}
.chakula-ai-toggle-ring::after {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    border: 1px solid rgba(212, 175, 55, 0.35);
    animation: chakulaAiPulse 2.4s ease-out infinite 0.6s;
}
.chakula-ai-toggle-sparkle {
    position: absolute;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--chakula-ai-gold);
    pointer-events: none;
    animation: chakulaAiSparkle 2.8s ease-in-out infinite;
}
.chakula-ai-toggle-sparkle--1 { top: 4px; right: 10px; }
.chakula-ai-toggle-sparkle--2 { bottom: 8px; left: 6px; animation-delay: 0.9s; }
.chakula-ai-toggle-sparkle--3 { top: 14px; left: 2px; animation-delay: 1.6s; }
@keyframes chakulaAiSparkle {
    0%, 100% { opacity: 0; transform: scale(0); }
    40% { opacity: 1; transform: scale(1); }
    70% { opacity: 0.4; transform: scale(0.6); }
}
.chakula-ai-toggle-avatar {
    width: 36px;
    height: 36px;
    filter: drop-shadow(0 0 8px rgba(82, 183, 136, 0.6));
}
@keyframes chakulaAiPulse {
    0% { transform: scale(0.92); opacity: 0.9; }
    70% { transform: scale(1.18); opacity: 0; }
    100% { transform: scale(1.18); opacity: 0; }
}

/* ── Avatar (Font Awesome robot + leaf badge) ── */
.chakula-ai-avatar {
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: linear-gradient(160deg, #f0faf4 0%, #ffffff 55%, #e8f5e9 100%);
    box-shadow: 0 0 0 3px rgba(64, 145, 108, 0.4), 0 4px 14px rgba(0, 0, 0, 0.12);
    color: var(--chakula-ai-green-mid);
}
.chakula-ai-avatar--lg {
    width: 46px;
    height: 46px;
    font-size: 1.25rem;
}
.chakula-ai-avatar--sm {
    width: 32px;
    height: 32px;
    font-size: 0.85rem;
    align-self: flex-end;
    margin-bottom: 4px;
    box-shadow: 0 0 0 2px rgba(64, 145, 108, 0.3), 0 2px 8px rgba(0, 0, 0, 0.08);
}
.chakula-ai-avatar-badge {
    position: absolute;
    top: -4px;
    right: -4px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--chakula-ai-green-light);
    color: #fff;
    font-size: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 6px rgba(27, 67, 50, 0.25);
}
.chakula-ai-avatar--sm .chakula-ai-avatar-badge {
    width: 13px;
    height: 13px;
    font-size: 0.42rem;
    top: -3px;
    right: -3px;
}
.chakula-ai-avatar-badge--fab {
    top: 0;
    right: 0;
    width: 15px;
    height: 15px;
    font-size: 0.48rem;
}

/* ── Chat window ── */
.chakula-ai-window {
    position: absolute;
    bottom: calc(78px + env(safe-area-inset-bottom, 0px));
    right: 0;
    width: clamp(340px, 36vw, 400px);
    height: clamp(520px, 72dvh, 680px);
    max-width: calc(100vw - 24px);
    max-height: calc(100dvh - 120px);
    display: flex;
    flex-direction: column;
    border-radius: 24px !important;
    border: 1px solid rgba(212, 175, 55, 0.28) !important;
    overflow: hidden;
    opacity: 0;
    visibility: hidden;
    transform: translateY(28px) scale(0.92);
    pointer-events: none !important;
    transition: opacity 0.32s ease, transform 0.38s cubic-bezier(0.34, 1.4, 0.64, 1), visibility 0.32s ease;
}
.chakula-ai-window.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
    pointer-events: auto !important;
}

/* ── Header ── */
.chakula-ai-header {
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, #0f2e22 0%, var(--chakula-ai-green) 40%, var(--chakula-ai-green-mid) 100%) !important;
}
.chakula-ai-header-waves {
    position: absolute;
    inset: 0;
    opacity: 0.45;
    background:
        radial-gradient(ellipse 80% 60% at 10% 120%, rgba(64, 145, 108, 0.5), transparent 60%),
        radial-gradient(ellipse 60% 50% at 90% -20%, rgba(212, 175, 55, 0.25), transparent 55%);
    pointer-events: none;
}
.chakula-ai-header-waves::before,
.chakula-ai-header-waves::after {
    content: '';
    position: absolute;
    width: 200%;
    height: 100%;
    top: 0;
    left: -50%;
    background: repeating-linear-gradient(
        -12deg,
        transparent,
        transparent 40px,
        rgba(82, 183, 136, 0.06) 40px,
        rgba(82, 183, 136, 0.06) 42px
    );
    animation: chakulaAiWaveDrift 18s linear infinite;
}
.chakula-ai-header-waves::after {
    animation-duration: 24s;
    animation-direction: reverse;
    opacity: 0.6;
}
@keyframes chakulaAiWaveDrift {
    0% { transform: translateX(0); }
    100% { transform: translateX(25%); }
}
.chakula-ai-header-content {
    z-index: 1;
}
.chakula-ai-header #chakulaAiTitle {
    font-family: 'Plus Jakarta Sans', 'Inter', sans-serif;
    font-size: 1.02rem;
    font-weight: 800;
    letter-spacing: -0.02em;
}
.chakula-ai-header-role {
    color: rgba(255, 255, 255, 0.9);
}
.chakula-ai-live-pill {
    background: rgba(15, 46, 34, 0.55) !important;
    border: 1px solid rgba(82, 183, 136, 0.35);
    color: rgba(255, 255, 255, 0.92) !important;
    font-size: 0.62rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 4px 9px;
}
.chakula-ai-live-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: #52b788;
    box-shadow: 0 0 8px rgba(82, 183, 136, 0.9);
    animation: chakulaAiLiveBlink 1.8s ease-in-out infinite;
}
@keyframes chakulaAiLiveBlink {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.55; transform: scale(0.85); }
}
.chakula-ai-icon-btn {
    width: 32px;
    height: 32px;
    min-width: 32px;
    padding: 0 !important;
    border-radius: 50% !important;
    background: rgba(255, 255, 255, 0.14) !important;
    color: #fff !important;
    border: 0 !important;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
    transition: background 0.2s, transform 0.2s;
}
.chakula-ai-icon-btn:hover,
.chakula-ai-icon-btn:focus {
    background: rgba(255, 255, 255, 0.26) !important;
    color: #fff !important;
    transform: scale(1.05);
}
.dropdown-toggle-no-caret::after {
    display: none !important;
}
.chakula-ai-dropdown {
    border-radius: 14px !important;
    padding: 6px !important;
    min-width: 180px;
}
.chakula-ai-dropdown .dropdown-item {
    border-radius: 10px;
    font-size: 0.84rem;
    font-weight: 600;
    padding: 9px 12px;
}
.chakula-ai-dropdown .dropdown-item:hover,
.chakula-ai-dropdown .dropdown-item:focus {
    background: rgba(45, 106, 79, 0.08);
}

/* ── Body & messages ── */
.chakula-ai-body {
    flex: 1 1 auto;
    min-height: 0;
    background:
        radial-gradient(circle at 85% 15%, rgba(212, 175, 55, 0.06), transparent 40%),
        radial-gradient(circle at 10% 80%, rgba(45, 106, 79, 0.05), transparent 35%),
        #f4f7f5;
}
.chakula-ai-messages {
    flex: 1 1 auto;
    min-height: 0;
    gap: 14px;
    display: flex;
    flex-direction: column;
    scroll-behavior: smooth;
    overscroll-behavior: contain;
}
.chakula-ai-messages::-webkit-scrollbar {
    width: 5px;
}
.chakula-ai-messages::-webkit-scrollbar-thumb {
    background: rgba(45, 106, 79, 0.25);
    border-radius: 999px;
}
.chakula-ai-msg-row {
    animation: chakulaAiMsgIn 0.35s cubic-bezier(0.34, 1.2, 0.64, 1) both;
}
@keyframes chakulaAiMsgIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}
.chakula-ai-bubble {
    position: relative;
    max-width: 88%;
    padding: 12px 14px 10px;
    border-radius: 18px;
    line-height: 1.55;
    font-size: 0.88rem;
    box-shadow: 0 4px 18px rgba(15, 40, 28, 0.07);
}
.chakula-ai-bubble--bot {
    background: #ffffff;
    color: #243329;
    border: 1px solid rgba(0, 0, 0, 0.04);
    border-bottom-left-radius: 6px;
}
.chakula-ai-bubble--bot::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 42px;
    height: 42px;
    border-radius: 0 18px 0 42px;
    background: radial-gradient(circle at 100% 0%, rgba(212, 175, 55, 0.22), transparent 70%);
    pointer-events: none;
}
.chakula-ai-bubble--user {
    background: linear-gradient(135deg, #d8ede0, #b7d8c5);
    color: #143d2b;
    border-bottom-right-radius: 6px;
    font-weight: 500;
}
.chakula-ai-time {
    display: block;
    margin-top: 6px;
    font-size: 0.68rem;
    color: #6b7a72;
    font-variant-numeric: tabular-nums;
}
.chakula-ai-system {
    max-width: 94%;
    animation: chakulaAiMsgIn 0.35s ease both;
}

/* ── Suggestions ── */
.chakula-ai-suggestions.is-hidden {
    display: none !important;
}
.chakula-ai-suggestions-title {
    font-size: 0.82rem;
    color: var(--chakula-ai-green);
}
.chakula-ai-chips {
    scrollbar-width: none;
    overscroll-behavior-x: contain;
}
.chakula-ai-chips::-webkit-scrollbar {
    display: none;
}
.chakula-ai-chip {
    font-size: 0.78rem;
    font-weight: 600;
    white-space: nowrap;
    --bs-btn-border-color: rgba(45, 106, 79, 0.25);
    --bs-btn-color: #2b3a33;
    box-shadow: 0 2px 8px rgba(15, 40, 28, 0.05);
    transition: transform 0.15s, box-shadow 0.15s;
}
.chakula-ai-chip:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 14px rgba(15, 40, 28, 0.1);
}
.chakula-ai-chip:active {
    transform: translateY(0) scale(0.97);
}

/* ── Footer input (Bootstrap input-group) ── */
.chakula-ai-footer {
    flex-shrink: 0;
    position: relative;
    z-index: 2;
    padding-bottom: max(0.65rem, env(safe-area-inset-bottom, 0px)) !important;
    background: #fff;
}

.chakula-ai-composer {
    width: 100%;
    min-width: 0;
}

.chakula-ai-input-group {
    padding: 4px 6px 4px 8px;
    border-color: rgba(45, 106, 79, 0.12) !important;
    background: #fff;
    transition: border-color 0.2s, box-shadow 0.2s;
    flex-wrap: nowrap;
    min-width: 0;
}
.chakula-ai-input-group:focus-within {
    border-color: rgba(45, 106, 79, 0.35) !important;
    box-shadow: 0 4px 20px rgba(45, 106, 79, 0.12) !important;
}
.chakula-ai-tool-btn {
    width: 36px;
    height: 36px;
    min-width: 36px;
    padding: 0 !important;
    border-radius: 10px !important;
    color: #5c6b63;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}
.chakula-ai-tool-btn:hover:not(:disabled) {
    background: rgba(45, 106, 79, 0.1) !important;
    color: var(--chakula-ai-green) !important;
}
.chakula-ai-tool-btn:disabled {
    opacity: 0.35;
}
.chakula-ai-input-group .form-control {
    font-size: 0.92rem;
    padding: 8px 4px;
    color: #243329;
    min-width: 0;
    flex: 1 1 auto;
}

.chakula-ai-privacy {
    font-size: 0.72rem;
    line-height: 1.35;
    padding-inline: 0.25rem;
}
.chakula-ai-input-group .form-control::placeholder {
    color: #8a9690;
}
.chakula-ai-send-btn {
    width: 42px !important;
    height: 42px !important;
    min-width: 42px !important;
    padding: 0 !important;
    display: inline-flex !important;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--chakula-ai-green), var(--chakula-ai-green-mid)) !important;
    border: 0 !important;
    box-shadow: 0 4px 14px rgba(27, 67, 50, 0.28);
    transition: transform 0.2s, opacity 0.2s, box-shadow 0.2s;
}
.chakula-ai-send-btn:hover:not(:disabled) {
    transform: scale(1.06);
    box-shadow: 0 6px 18px rgba(27, 67, 50, 0.38);
}
.chakula-ai-send-btn:disabled {
    opacity: 0.4;
    box-shadow: none;
}
.chakula-ai-send-btn.is-ready:not(:disabled) {
    animation: chakulaAiSendPulse 2s ease-in-out infinite;
}
@keyframes chakulaAiSendPulse {
    0%, 100% { box-shadow: 0 4px 14px rgba(27, 67, 50, 0.28); }
    50% { box-shadow: 0 4px 20px rgba(82, 183, 136, 0.45); }
}

/* ── Typing indicator ── */
.chakula-ai-typing-indicator {
    display: flex;
    gap: 4px;
    padding: 2px 0;
    align-items: center;
}
.chakula-ai-dot {
    width: 6px;
    height: 6px;
    background: var(--chakula-ai-green-mid);
    border-radius: 50%;
    animation: chakulaAiBounce 1.4s infinite ease-in-out both;
}
.chakula-ai-dot:nth-child(1) { animation-delay: -0.32s; }
.chakula-ai-dot:nth-child(2) { animation-delay: -0.16s; }
@keyframes chakulaAiBounce {
    0%, 80%, 100% { transform: scale(0); }
    40% { transform: scale(1); }
}

/* ── Reduced motion ── */
@media (prefers-reduced-motion: reduce) {
    .chakula-ai-toggle-ring,
    .chakula-ai-toggle-ring::after,
    .chakula-ai-toggle-sparkle,
    .chakula-ai-live-dot,
    .chakula-ai-header-waves::before,
    .chakula-ai-header-waves::after,
    .chakula-ai-send-btn.is-ready,
    .chakula-ai-msg-row,
    .chakula-ai-system {
        animation: none;
    }
    .chakula-ai-window,
    .chakula-ai-backdrop,
    .chakula-ai-toggle {
        transition-duration: 0.01ms;
    }
}

/* ── Responsive ── */
@media (min-width: 1440px) {
    .chakula-ai-window {
        width: 400px;
        height: 700px;
    }
}
@media (min-width: 521px) {
    .chakula-ai-chips {
        flex-wrap: wrap !important;
        overflow-x: visible !important;
    }
}
@media (max-width: 768px) {
    .chakula-ai-window {
        width: min(96vw, 420px);
        height: min(78dvh, 660px);
    }
}
@media (max-width: 520px) {
    .chakula-ai-wrapper {
        left: auto;
        right: calc(14px + env(safe-area-inset-right, 0px));
        bottom: calc(16px + env(safe-area-inset-bottom, 0px));
        width: auto;
        height: auto;
        pointer-events: none;
    }

    /* Only the FAB is clickable when chat is closed — never the hidden window layer */
    .chakula-ai-wrapper .chakula-ai-toggle {
        pointer-events: auto;
    }

    .chakula-ai-wrapper .chakula-ai-window:not(.active) {
        display: none !important;
        pointer-events: none !important;
        visibility: hidden !important;
    }

    .chakula-ai-toggle {
        position: fixed;
        right: calc(14px + env(safe-area-inset-right, 0px));
        bottom: calc(16px + env(safe-area-inset-bottom, 0px));
        z-index: 1051;
    }

    .chakula-ai-toggle-chevron {
        top: -8px;
        width: 20px;
        height: 20px;
        font-size: 0.58rem;
    }

    .chakula-ai-window.active {
        display: flex !important;
        position: fixed;
        left: max(8px, env(safe-area-inset-left, 0px));
        right: max(8px, env(safe-area-inset-right, 0px));
        bottom: calc(78px + env(safe-area-inset-bottom, 0px));
        width: auto;
        max-width: none;
        height: min(82dvh, 700px);
        max-height: calc(100dvh - 96px - env(safe-area-inset-bottom, 0px));
        border-radius: 20px !important;
        visibility: visible !important;
        pointer-events: auto !important;
    }

    .chakula-ai-header-content {
        padding: 0.75rem !important;
    }

    .chakula-ai-header #chakulaAiTitle {
        font-size: 0.95rem;
    }

    .chakula-ai-live-pill {
        font-size: 0.58rem;
        padding: 3px 8px;
    }

    .chakula-ai-messages {
        padding: 0.75rem !important;
    }

    .chakula-ai-suggestions {
        padding-left: 0.75rem !important;
        padding-right: 0.75rem !important;
        padding-bottom: 0.65rem !important;
    }

    .chakula-ai-footer {
        padding-left: 0.65rem !important;
        padding-right: 0.65rem !important;
        padding-top: 0.5rem !important;
    }

    .chakula-ai-input-group {
        padding: 3px 4px 3px 6px;
    }

    .chakula-ai-input-group .form-control {
        font-size: 16px;
        padding: 10px 2px;
    }

    .chakula-ai-tool-btn {
        width: 34px;
        height: 34px;
        min-width: 34px;
    }

    .chakula-ai-send-btn {
        width: 40px !important;
        height: 40px !important;
        min-width: 40px !important;
    }

    .chakula-ai-chip {
        font-size: 0.74rem;
    }

    .chakula-ai-bubble {
        max-width: 92%;
        font-size: 0.86rem;
    }
}

@media (max-width: 380px) {
    .chakula-ai-tool-btn--attach {
        display: none !important;
    }

    .chakula-ai-privacy {
        font-size: 0.66rem;
    }
}

body.chakula-ai-open .back-to-top {
    opacity: 0 !important;
    pointer-events: none !important;
}

@media (max-width: 520px) {
    .back-to-top {
        bottom: calc(88px + env(safe-area-inset-bottom, 0px));
        right: calc(14px + env(safe-area-inset-right, 0px));
        width: 44px;
        height: 44px;
        font-size: 1.05rem;
    }
}
body.chakula-ai-open {
    overflow: hidden;
    touch-action: none;
}
@media (min-width: 521px) {
    body.chakula-ai-open {
        overflow: auto;
        touch-action: auto;
    }
}