/* ============================================================
 *  Alina Live Chat — widget styles
 *  No gradients. Multi-layer shadows for depth, refined
 *  typography, scoped autocomplete (won't collide with other
 *  postcode/address widgets on the page).
 * ============================================================ */

:root {
    /* Brand */
    --alc-primary:        #602276;
    --alc-primary-700:    #4f1c60;
    --alc-primary-800:    #3f1750;
    --alc-secondary:      #bf4a92;
    --alc-secondary-700:  #a03d7a;

    /* Neutrals */
    --alc-ink:            #1f2330;
    --alc-ink-soft:       #4a5163;
    --alc-muted:          #8a90a0;
    --alc-line:           #e7e8ee;
    --alc-line-soft:      #f1f2f6;
    --alc-bg:             #ffffff;
    --alc-bg-bot:         #f5f4f8;     /* bot message background — warm grey with a tiny lilac tint */
    --alc-bg-tint:        #faf9fc;     /* very subtle surface tint */

    /* Geometry */
    --alc-radius-sm:      8px;
    --alc-radius:         14px;
    --alc-radius-lg:      18px;
    --alc-bubble-radius:  16px;

    /* Elevation — layered for natural depth, no single heavy shadow */
    --alc-shadow-sm:
        0 1px 2px rgba(20, 24, 38, 0.04),
        0 1px 1px rgba(20, 24, 38, 0.03);
    --alc-shadow:
        0 6px 16px -4px rgba(20, 24, 38, 0.08),
        0 2px 6px -2px rgba(20, 24, 38, 0.05),
        0 0 0 1px rgba(20, 24, 38, 0.04);
    --alc-shadow-lg:
        0 24px 48px -12px rgba(20, 24, 38, 0.18),
        0 8px 16px -8px rgba(20, 24, 38, 0.10),
        0 0 0 1px rgba(20, 24, 38, 0.04);

    /* Motion */
    --alc-ease:           cubic-bezier(0.22, 0.61, 0.36, 1);
    --alc-fast:           160ms var(--alc-ease);
    --alc-med:            240ms var(--alc-ease);

    /* Stacking */
    --alc-z-widget:       999999;
    --alc-z-dropdown:     1000001;
}

/* ============================================================
 *  Widget wrapper
 * ============================================================ */

#alc-chat-widget {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: var(--alc-z-widget);
    font-family: 'Lato', -apple-system, BlinkMacSystemFont, 'Segoe UI',
                 Roboto, 'Helvetica Neue', Arial, sans-serif;
    -webkit-font-smoothing: antialiased;
    color: var(--alc-ink);
}

/* ============================================================
 *  Launcher buttons
 * ============================================================ */

.alc-chat-button {
    cursor: pointer;
    transition: transform var(--alc-fast), box-shadow var(--alc-fast);
    box-shadow: var(--alc-shadow);
}
.alc-chat-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--alc-shadow-lg);
}
.alc-chat-button.alc-hidden { display: none !important; }

/* Square launcher */
#alc-chat-button-square {
    background: var(--alc-bg);
    border: 1px solid var(--alc-line);
    border-radius: var(--alc-radius);
    padding: 14px 18px;
    min-width: 180px;
    text-align: left;
}
#alc-chat-button-square .alc-button-text {
    color: var(--alc-ink-soft);
    font-size: 14px;
    line-height: 1.5;
    font-weight: 400;
    text-align: left;
}
#alc-chat-button-square .alc-button-text strong {
    font-weight: 700;
    color: var(--alc-primary);
    display: block;
    margin-top: 2px;
}

/* Circular avatar launcher with chat popup */
#alc-chat-button-circle {
    position: relative;
    width: 76px;
    height: 76px;
    border-radius: 50%;
    overflow: visible;
    border: 3px solid #fff;
    box-shadow: var(--alc-shadow);
    cursor: pointer;
    transition: transform var(--alc-med);
}
#alc-chat-button-circle img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
}
#alc-chat-button-circle:hover { transform: scale(1.04); }

#alc-chat-button-circle .alc-popup {
    position: absolute;
    top: 0;
    right: 88px;
    background: #fff;
    color: var(--alc-ink);
    padding: 12px 16px 28px;
    border-radius: var(--alc-radius);
    font-size: 13px;
    font-weight: 600;
    line-height: 1.4;
    text-align: left;
    width: 168px;
    white-space: pre-line;
    border: 1px solid var(--alc-line);
    box-shadow: var(--alc-shadow);
    animation: alcBobble 3.2s ease-in-out infinite;
}
#alc-chat-button-circle .alc-popup::after {
    content: "Chat now";
    position: absolute;
    bottom: 8px;
    left: 16px;
    color: var(--alc-secondary);
    font-weight: 700;
    font-size: 12px;
}
#alc-chat-button-circle:hover .alc-popup {
    animation-play-state: paused;
    transform: translateY(-2px);
}

@keyframes alcBobble {
    0%, 100% { transform: translateY(0); }
    50%      { transform: translateY(-4px); }
}

/* ============================================================
 *  Chat window
 * ============================================================ */

#alc-chat-window {
    width: 380px;
    height: 540px;
    background: var(--alc-bg);
    border-radius: var(--alc-radius-lg);
    box-shadow: var(--alc-shadow-lg);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    border: 1px solid var(--alc-line);
    /* Bumped from var(--alc-z-widget) so chat window sits above the launcher
       when both are rendered. Autocomplete still wins via --alc-z-dropdown. */
    z-index: var(--alc-z-widget);
    animation: alcSlideIn 260ms var(--alc-ease);
}
#alc-chat-window.alc-hidden { display: none; }

@keyframes alcSlideIn {
    from { transform: translateY(12px); opacity: 0; }
    to   { transform: translateY(0);    opacity: 1; }
}

/* Header */
#alc-chat-header {
    background: var(--alc-primary);
    color: #fff;
    padding: 14px 16px;
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 10px;
    align-items: center;
    font-weight: 600;
    font-size: 15px;
    letter-spacing: 0.01em;
    flex-shrink: 0;
    /* Subtle bottom edge so the header reads as its own layer */
    box-shadow: 0 1px 0 rgba(0, 0, 0, 0.06);
}
.alc-header-back-btn {
    background: rgba(255, 255, 255, 0.14);
    color: #fff;
    border: none;
    border-radius: 999px;
    padding: 6px 12px;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: background var(--alc-fast);
    white-space: nowrap;
    display: none;
}
.alc-header-back-btn:hover { background: rgba(255, 255, 255, 0.24); }

#alc-chat-close {
    background: rgba(255, 255, 255, 0);
    border: none;
    color: #fff;
    font-size: 18px;
    line-height: 1;
    cursor: pointer;
    width: 28px;
    height: 28px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: background var(--alc-fast);
}
#alc-chat-close:hover { background: rgba(255, 255, 255, 0.18); }

/* Messages area */
#alc-chat-messages {
    flex: 1;
    padding: 18px;
    overflow-y: auto;
    overflow-x: hidden;
    scroll-behavior: smooth;
    background: var(--alc-bg);
    min-height: 0;
}

/* Subtle scrollbar */
#alc-chat-messages::-webkit-scrollbar       { width: 8px; }
#alc-chat-messages::-webkit-scrollbar-track { background: transparent; }
#alc-chat-messages::-webkit-scrollbar-thumb {
    background: var(--alc-line);
    border-radius: 999px;
}
#alc-chat-messages::-webkit-scrollbar-thumb:hover {
    background: #d6d8e0;
}
#alc-chat-messages {
    scrollbar-width: thin;
    scrollbar-color: var(--alc-line) transparent;
}

.alc-message {
    margin-bottom: 12px;
    display: flex;
    animation: alcMsgIn 220ms var(--alc-ease);
}
.alc-message.alc-bot  { justify-content: flex-start; }
.alc-message.alc-user { justify-content: flex-end; }

@keyframes alcMsgIn {
    from { opacity: 0; transform: translateY(6px); }
    to   { opacity: 1; transform: translateY(0); }
}

.alc-message-content {
    max-width: 82%;
    padding: 11px 14px;
    border-radius: var(--alc-bubble-radius);
    font-size: 14px;
    line-height: 1.5;
    position: relative;
    word-wrap: break-word;
}
.alc-bot .alc-message-content {
    background: var(--alc-bg-bot);
    color: var(--alc-ink);
    border-bottom-left-radius: 4px;
}
.alc-user .alc-message-content {
    background: var(--alc-primary);
    color: #fff;
    border-bottom-right-radius: 4px;
}
.alc-message-content a {
    color: var(--alc-secondary);
    text-decoration: underline;
    text-underline-offset: 2px;
}
.alc-user .alc-message-content a {
    color: #fff;
    text-decoration-color: rgba(255, 255, 255, 0.6);
}
.alc-message-content a:hover { text-decoration: none; }

/* Typing indicator — three dots */
.alc-typing-dots {
    display: flex;
    gap: 4px;
    padding: 4px 0;
}
.alc-typing-dots span {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--alc-muted);
    animation: alcTyping 1.4s infinite ease-in-out;
}
.alc-typing-dots span:nth-child(1) { animation-delay: -0.32s; }
.alc-typing-dots span:nth-child(2) { animation-delay: -0.16s; }
@keyframes alcTyping {
    0%, 80%, 100% { transform: scale(0.7); opacity: 0.5; }
    40%           { transform: scale(1);   opacity: 1; }
}

/* Action buttons inside a bot message (phone, learn more) */
.alc-action-buttons {
    margin-top: 10px;
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}
.alc-phone-button,
.alc-learn-more-button {
    background: var(--alc-secondary);
    color: #fff !important;
    border: none;
    padding: 8px 14px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: background var(--alc-fast), transform var(--alc-fast);
}
.alc-phone-button:hover,
.alc-learn-more-button:hover {
    background: var(--alc-secondary-700);
    transform: translateY(-1px);
}

/* ============================================================
 *  Input area
 * ============================================================ */

#alc-chat-input-area {
    padding: 14px 16px;
    border-top: 1px solid var(--alc-line);
    background: var(--alc-bg);
    flex-shrink: 0;
}

.alc-input-container {
    display: flex;
    gap: 8px;
    align-items: flex-end;
    position: relative;
}
.alc-postcode-wrapper,
.alc-address-wrapper {       /* address wrapper kept as alias for compat */
    display: flex;
    gap: 8px;
    align-items: flex-end;
    position: relative;
    flex: 1;
}

#alc-chat-input {
    flex: 1;
    border: 1.5px solid var(--alc-line);
    border-radius: 999px;
    padding: 10px 16px;
    font-size: 14px;
    outline: none;
    transition: border-color var(--alc-fast), box-shadow var(--alc-fast);
    font-family: inherit;
    line-height: 1.4;
    background: var(--alc-bg);
    color: var(--alc-ink);
}
#alc-chat-input::placeholder { color: var(--alc-muted); }
#alc-chat-input:focus {
    border-color: var(--alc-primary);
    box-shadow: 0 0 0 3px rgba(96, 34, 118, 0.12);
}
#alc-chat-input.input-error {
    border-color: #d64545;
    box-shadow: 0 0 0 3px rgba(214, 69, 69, 0.12);
}

textarea#alc-chat-input {
    resize: none;
    overflow: hidden;
    scrollbar-width: none;
    -ms-overflow-style: none;
    min-height: 40px;
    max-height: 120px;
    border-radius: 18px;
    padding: 10px 16px;
    transition: height var(--alc-fast), border-color var(--alc-fast),
                box-shadow var(--alc-fast);
}
textarea#alc-chat-input::-webkit-scrollbar { display: none; }

#alc-chat-send,
.alc-close-chat-btn {
    background: var(--alc-primary);
    color: #fff;
    border: none;
    border-radius: 999px;
    padding: 10px 18px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: background var(--alc-fast), transform var(--alc-fast);
    height: fit-content;
    align-self: flex-end;
    white-space: nowrap;
}
#alc-chat-send:hover,
.alc-close-chat-btn:hover {
    background: var(--alc-primary-700);
    transform: translateY(-1px);
}
.alc-close-chat-btn {
    background: var(--alc-line);
    color: var(--alc-ink-soft);
}
.alc-close-chat-btn:hover {
    background: #d6d8e0;
    color: var(--alc-ink);
}

/* Choice buttons */
.alc-buttons-container {
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.alc-option-button {
    background: var(--alc-bg);
    border: 1.5px solid var(--alc-line);
    color: var(--alc-ink);
    padding: 11px 14px;
    border-radius: var(--alc-radius);
    font-size: 14px;
    font-weight: 500;
    line-height: 1.4;
    cursor: pointer;
    text-align: left;
    font-family: inherit;
    transition: border-color var(--alc-fast), background var(--alc-fast),
                color var(--alc-fast), transform var(--alc-fast);
}
.alc-option-button:hover {
    border-color: var(--alc-primary);
    background: var(--alc-bg-tint);
    color: var(--alc-primary);
}
.alc-option-button:active { transform: translateY(1px); }

/* Inline phone validation error */
.alc-phone-error-message {
    color: #b91c1c;
    display: block;
    margin-top: 6px;
    font-size: 12px;
    line-height: 1.4;
}

/* ============================================================
 *  Postcode autocomplete dropdown — SCOPED to chat widget
 *  Specific selectors ensure this never collides with any
 *  other autocomplete widget on the page.
 * ============================================================ */

#alc-chat-widget .alc-pc-autocomplete {
    background: var(--alc-bg);
    border: 1px solid var(--alc-line);
    border-radius: var(--alc-radius);
    box-shadow: var(--alc-shadow-lg);
    padding: 4px;
    max-height: 240px;
    overflow-y: auto;
    z-index: var(--alc-z-dropdown);
    position: fixed;
    /* Smooth scroll on iOS */
    -webkit-overflow-scrolling: touch;
}

#alc-chat-widget .alc-pc-item {
    padding: 10px 12px;
    cursor: pointer;
    font-size: 14px;
    line-height: 1.4;
    color: var(--alc-ink);
    border-radius: var(--alc-radius-sm);
    /* Subtle font-feature tweak so postcodes look right */
    font-variant-numeric: tabular-nums;
    letter-spacing: 0.01em;
}
#alc-chat-widget .alc-pc-item:hover,
#alc-chat-widget .alc-pc-item.is-selected {
    background: var(--alc-bg-tint);
    color: var(--alc-primary);
}
#alc-chat-widget .alc-pc-autocomplete::-webkit-scrollbar       { width: 6px; }
#alc-chat-widget .alc-pc-autocomplete::-webkit-scrollbar-track { background: transparent; }
#alc-chat-widget .alc-pc-autocomplete::-webkit-scrollbar-thumb {
    background: var(--alc-line);
    border-radius: 999px;
}

/* ============================================================
 *  Responsive — tablet
 * ============================================================ */

@media (min-width: 481px) and (max-width: 768px) {
    #alc-chat-window { width: 400px; height: 580px; }
}

/* ============================================================
 *  Responsive — large screens
 * ============================================================ */

@media (min-width: 1200px) {
    #alc-chat-window { width: 400px; height: 580px; }
}

/* ============================================================
 *  Responsive — mobile (full-screen takeover when open)
 * ============================================================ */

@media (max-width: 480px) {
    /* Hide the launcher entirely on mobile; the chat opens via in-page CTAs */
    .alc-chat-button,
    #alc-chat-button-square,
    #alc-chat-button-circle {
        display: none !important;
    }

    /* Widget itself only shows when chat is open */
    #alc-chat-widget { display: none !important; }

    body.alc-chat-open {
        overflow: hidden !important;
        position: fixed !important;
        width: 100% !important;
        height: 100% !important;
        top: 0 !important;
        left: 0 !important;
    }

    body.alc-chat-open #alc-chat-widget {
        display: flex !important;
        position: fixed !important;
        inset: 0 !important;
        width: 100vw !important;
        height: 100vh !important;
        height: 100dvh !important;
        z-index: var(--alc-z-widget) !important;
    }

    body.alc-chat-open #alc-chat-window {
        position: fixed !important;
        inset: 0 !important;
        width: 100vw !important;
        height: 100vh !important;
        height: 100dvh !important;
        max-height: 100dvh !important;
        border-radius: 0 !important;
        border: none !important;
    }

    body.alc-chat-open #alc-chat-header {
        padding: 14px 16px !important;
        padding-top: calc(14px + env(safe-area-inset-top)) !important;
        position: sticky !important;
        top: 0 !important;
        z-index: 2 !important;
    }

    body.alc-chat-open #alc-chat-messages {
        flex: 1 !important;
        padding: 16px !important;
        overflow-y: auto !important;
        -webkit-overflow-scrolling: touch !important;
        overscroll-behavior: contain !important;
    }

    body.alc-chat-open #alc-chat-input-area {
        padding: 12px 16px !important;
        padding-bottom: calc(12px + env(safe-area-inset-bottom)) !important;
        position: sticky !important;
        bottom: 0 !important;
        background: var(--alc-bg) !important;
        z-index: 2 !important;
    }

    /* iOS Safari: prevent zoom on focus by keeping inputs at 16px */
    body.alc-chat-open #alc-chat-input {
        font-size: 16px !important;
        min-height: 44px !important;
    }
    body.alc-chat-open #alc-chat-send,
    body.alc-chat-open .alc-close-chat-btn {
        min-height: 44px !important;
        font-size: 15px !important;
    }
}

/* ============================================================
 *  Accessibility
 * ============================================================ */

.alc-chat-button:focus-visible,
#alc-chat-close:focus-visible,
#alc-chat-input:focus-visible,
#alc-chat-send:focus-visible,
.alc-close-chat-btn:focus-visible,
.alc-option-button:focus-visible,
.alc-phone-button:focus-visible,
.alc-learn-more-button:focus-visible,
.alc-header-back-btn:focus-visible {
    outline: 2px solid var(--alc-secondary);
    outline-offset: 2px;
}

@media (prefers-contrast: high) {
    :root {
        --alc-primary:   #000;
        --alc-secondary: #000;
        --alc-ink:       #000;
        --alc-line:      #000;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* ============================================================
 *  Misc — loading spinner used by some legacy flows
 * ============================================================ */

.alc-loading {
    display: inline-block;
    width: 18px;
    height: 18px;
    border: 2px solid var(--alc-line);
    border-top-color: var(--alc-primary);
    border-radius: 50%;
    animation: alcSpin 0.8s linear infinite;
}
@keyframes alcSpin {
    to { transform: rotate(360deg); }
}