/* ==========================================================================
   KM Explore — Floating AI Concierge Chatbot Widget (sv-chatbot)
   Uses canonical design tokens from public/assets/css/theme.css
   ========================================================================== */

.sv-chatbot {
    --sv-chatbot-header-clearance: 5.75rem;
    --sv-chatbot-bottom-gap: 1.25rem;
    --sv-chatbot-launcher-offset: 4.25rem;
    --sv-chatbot-avail-vh: calc(100vh - var(--sv-chatbot-header-clearance) - var(--sv-chatbot-bottom-gap) - var(--sv-chatbot-launcher-offset));

    position: fixed;
    right: 1.5rem;
    bottom: var(--sv-chatbot-bottom-gap);
    z-index: 1075;
    font-family: var(--font-sans, 'Plus Jakarta Sans', sans-serif);
}

@supports (height: 100svh) {
    .sv-chatbot {
        --sv-chatbot-bottom-gap: calc(1.25rem + env(safe-area-inset-bottom, 0px));
        --sv-chatbot-avail-vh: calc(
            100svh
            - var(--sv-chatbot-header-clearance)
            - var(--sv-chatbot-bottom-gap)
            - var(--sv-chatbot-launcher-offset)
            - env(safe-area-inset-top, 0px)
        );
    }
}

/* Floating Launcher Bubble */
.sv-chatbot__launcher {
    position: relative;
    width: 58px;
    height: 58px;
    padding: 0;
    border-radius: 50%;
    border: 2px solid rgba(197, 164, 106, 0.45);
    background: var(--color-primary, #141414);
    color: var(--color-text-light, #ffffff);
    box-shadow: var(--shadow-lg, 0 20px 60px rgba(20, 20, 20, 0.24));
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: transform var(--transition, 0.3s ease), background-color var(--transition, 0.3s ease), border-color var(--transition, 0.3s ease);
}

.sv-chatbot__launcher:hover,
.sv-chatbot__launcher:focus-visible {
    background: var(--color-secondary, #C5A46A);
    color: var(--color-primary, #141414);
    border-color: var(--color-secondary, #C5A46A);
    transform: translateY(-2px);
    outline: none;
}

.sv-chatbot__launcher-icon {
    display: block;
    width: 22px;
    height: 22px;
    flex-shrink: 0;
}

.sv-chatbot__launcher[aria-expanded="true"] .sv-chatbot__launcher-icon--chat {
    display: none;
}

.sv-chatbot__launcher[aria-expanded="false"] .sv-chatbot__launcher-icon--close {
    display: none;
}

.sv-chatbot__launcher-badge {
    position: absolute;
    top: -4px;
    right: -4px;
    background: var(--color-secondary, #C5A46A);
    color: var(--color-primary, #141414);
    font-size: 0.65rem;
    font-weight: 800;
    letter-spacing: 0.04em;
    padding: 0.15rem 0.4rem;
    border-radius: 999px;
    border: 2px solid var(--color-card, #ffffff);
}

/* Chat Panel Window */
.sv-chatbot__panel {
    position: absolute;
    right: 0;
    bottom: var(--sv-chatbot-launcher-offset);
    width: 380px;
    max-width: calc(100vw - 1.5rem);
    height: min(500px, var(--sv-chatbot-avail-vh));
    max-height: var(--sv-chatbot-avail-vh);
    min-height: min(260px, var(--sv-chatbot-avail-vh));
    background: var(--color-card, #ffffff);
    border: 1px solid rgba(20, 20, 20, 0.1);
    border-radius: var(--radius-xl, 1.5rem);
    box-shadow: var(--shadow-lg, 0 20px 60px rgba(20, 20, 20, 0.18));
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transform-origin: bottom right;
    transition: opacity 0.22s ease, transform 0.22s ease;
}

.sv-chatbot__panel[hidden] {
    display: none !important;
}

/* Header */
.sv-chatbot__header {
    background: var(--color-primary, #141414);
    color: var(--color-text-light, #ffffff);
    padding: 0.85rem 1.1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    border-bottom: 1px solid rgba(197, 164, 106, 0.25);
    flex-shrink: 0;
}

.sv-chatbot__brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    min-width: 0;
}

.sv-chatbot__avatar {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: rgba(197, 164, 106, 0.18);
    border: 1px solid var(--color-secondary, #C5A46A);
    color: var(--color-secondary, #C5A46A);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    flex-shrink: 0;
}

.sv-chatbot__title {
    font-family: var(--font-serif, 'Montserrat', sans-serif);
    font-size: 0.95rem;
    font-weight: 700;
    margin: 0;
    color: var(--color-text-light, #ffffff);
    line-height: 1.25;
}

.sv-chatbot__subtitle {
    font-size: 0.72rem;
    color: rgba(255, 255, 255, 0.72);
    margin: 0;
}

.sv-chatbot__close {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.14);
    color: var(--color-text-light, #ffffff);
    width: 34px;
    height: 34px;
    padding: 0;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background-color 0.2s ease, color 0.2s ease;
    flex-shrink: 0;
}

.sv-chatbot__close[hidden] {
    display: none !important;
}

.sv-chatbot__close svg,
.sv-chatbot__avatar svg,
.sv-chatbot__send svg {
    display: block;
    flex-shrink: 0;
}

.sv-chatbot__close:hover,
.sv-chatbot__close:focus-visible {
    background: var(--color-secondary, #C5A46A);
    color: var(--color-primary, #141414);
    outline: none;
}

/* Messages Stream */
.sv-chatbot__messages {
    flex: 1 1 auto;
    overflow-y: auto;
    padding: 1rem;
    background: var(--color-bg-warm, #FAFAF8);
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.sv-chatbot__msg {
    display: flex;
    flex-direction: column;
    max-width: 86%;
}

.sv-chatbot__msg--bot {
    align-self: flex-start;
}

.sv-chatbot__msg--user {
    align-self: flex-end;
}

.sv-chatbot__bubble {
    padding: 0.75rem 0.95rem;
    border-radius: 1rem;
    font-size: 0.875rem;
    line-height: 1.55;
    word-wrap: break-word;
    white-space: pre-line;
}

.sv-chatbot__msg--bot .sv-chatbot__bubble {
    background: var(--color-card, #ffffff);
    color: var(--color-text-body, #3D3D3D);
    border: 1px solid var(--color-border, #E8E6E1);
    border-bottom-left-radius: 0.25rem;
    box-shadow: var(--shadow-sm, 0 2px 8px rgba(20, 20, 20, 0.05));
}

.sv-chatbot__msg--user .sv-chatbot__bubble {
    background: var(--color-primary, #141414);
    color: var(--color-text-light, #ffffff);
    border-bottom-right-radius: 0.25rem;
}

.sv-chatbot__meta {
    font-size: 0.65rem;
    color: var(--color-text-muted, #7A7A7A);
    margin-top: 0.25rem;
    padding: 0 0.25rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Quick Prompt Chips */
.sv-chatbot__chips {
    display: flex;
    flex-wrap: nowrap;
    overflow-x: auto;
    gap: 0.4rem;
    padding: 0.5rem 0.9rem;
    background: var(--color-bg-warm, #FAFAF8);
    border-top: 1px solid var(--color-border, #E8E6E1);
    flex-shrink: 0;
    scrollbar-width: thin;
    -webkit-overflow-scrolling: touch;
}

.sv-chatbot__chips::-webkit-scrollbar {
    height: 3px;
}

.sv-chatbot__chips::-webkit-scrollbar-thumb {
    background: rgba(197, 164, 106, 0.45);
    border-radius: 999px;
}

.sv-chatbot__chip {
    background: var(--color-card, #ffffff);
    color: var(--color-text-dark, #141414);
    border: 1px solid var(--color-border, #E8E6E1);
    border-radius: 999px;
    padding: 0.28rem 0.7rem;
    font-size: 0.74rem;
    font-weight: 600;
    white-space: nowrap;
    flex-shrink: 0;
    cursor: pointer;
    transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.sv-chatbot__chip:hover,
.sv-chatbot__chip:focus-visible {
    background: var(--color-bg-cream, #F3F1EC);
    border-color: var(--color-secondary, #C5A46A);
    color: var(--color-primary, #141414);
    outline: none;
}

/* Input Bar */
.sv-chatbot__form {
    padding: 0.65rem 0.85rem;
    background: var(--color-card, #ffffff);
    border-top: 1px solid var(--color-border, #E8E6E1);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-shrink: 0;
}

.sv-chatbot__input {
    flex: 1 1 auto;
    border: 1px solid var(--color-border, #E8E6E1);
    border-radius: 999px;
    padding: 0.5rem 0.95rem;
    font-size: 0.875rem;
    color: var(--color-text-dark, #141414);
    background: var(--color-input-bg, #ffffff);
    min-width: 0;
}

.sv-chatbot__input:focus {
    outline: none;
    border-color: var(--color-secondary, #C5A46A);
    box-shadow: 0 0 0 3px rgba(197, 164, 106, 0.18);
}

.sv-chatbot__send {
    width: 40px;
    height: 40px;
    padding: 0;
    border-radius: 50%;
    border: none;
    background: var(--color-primary, #141414);
    color: var(--color-text-light, #ffffff);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    flex-shrink: 0;
    transition: background-color 0.2s ease, color 0.2s ease;
}

.sv-chatbot__send:hover:not(:disabled),
.sv-chatbot__send:focus-visible:not(:disabled) {
    background: var(--color-secondary, #C5A46A);
    color: var(--color-primary, #141414);
    outline: none;
}

.sv-chatbot__send:disabled {
    opacity: 0.55;
    cursor: not-allowed;
}

/* Typing dots */
.sv-chatbot__typing {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 0.2rem 0.1rem;
}

.sv-chatbot__typing span {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--color-secondary, #C5A46A);
    animation: svChatbotPulse 1.2s infinite ease-in-out;
}

.sv-chatbot__typing span:nth-child(2) {
    animation-delay: 0.2s;
}

.sv-chatbot__typing span:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes svChatbotPulse {
    0%, 80%, 100% {
        transform: scale(0.65);
        opacity: 0.45;
    }
    40% {
        transform: scale(1);
        opacity: 1;
    }
}

@media (prefers-reduced-motion: reduce) {
    .sv-chatbot__launcher,
    .sv-chatbot__panel,
    .sv-chatbot__typing span {
        transition: none !important;
        animation: none !important;
    }
}

/* Compact vertical spacing on shorter device heights (laptops / mobile viewports <= 700px) */
@media (max-height: 700px) {
    .sv-chatbot__header {
        padding: 0.65rem 0.95rem;
    }

    .sv-chatbot__avatar {
        width: 34px;
        height: 34px;
        font-size: 0.9rem;
    }

    .sv-chatbot__messages {
        padding: 0.75rem 0.85rem;
        gap: 0.6rem;
    }

    .sv-chatbot__chips {
        padding: 0.4rem 0.75rem;
    }

    .sv-chatbot__form {
        padding: 0.55rem 0.75rem;
    }
}

/* Mobile & iPhone screens */
@media (max-width: 575.98px) {
    .sv-chatbot {
        --sv-chatbot-header-clearance: 5.5rem;
        --sv-chatbot-bottom-gap: 0.75rem;
        --sv-chatbot-launcher-offset: 3.85rem;
        right: 0.75rem;
    }

    @supports (height: 100svh) {
        .sv-chatbot {
            --sv-chatbot-bottom-gap: calc(0.75rem + env(safe-area-inset-bottom, 0px));
        }
    }

    .sv-chatbot__panel {
        width: calc(100vw - 1.5rem);
        height: min(460px, var(--sv-chatbot-avail-vh));
        max-height: var(--sv-chatbot-avail-vh);
        border-radius: var(--radius-lg, 1rem);
    }

    .sv-chatbot__launcher {
        width: 52px;
        height: 52px;
    }

    /* 16px font-size prevents iOS Safari from auto-zooming on input focus */
    .sv-chatbot__input {
        font-size: 1rem;
    }
}