/* ==========================================================================
   WPiko Chatbot — Chatbot Style tab
   Appearance presets, color fields and the live preview panel.
   Design tokens come from admin-style.css.
   ========================================================================== */

/* ==========================================================================
   LAYOUT
   ========================================================================== */

.wpiko-style-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 360px;
    gap: 28px;
    align-items: start;
    margin-top: 20px;
}

.wpiko-style-main {
    min-width: 0;
}

/* Must fill the grid row, not shrink to its content, or the sticky preview
   inside it has no room to travel and simply scrolls out of view. */
.wpiko-style-side {
    min-width: 0;
    align-self: stretch;
}

.wpiko-style-group-title {
    margin: 28px 0 8px !important;
    padding-bottom: 8px;
    font-size: 13px !important;
    font-weight: 600 !important;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--wpiko-text-muted) !important;
    border-bottom: 1px solid var(--wpiko-border-light);
}

.wpiko-style-group-title:first-of-type {
    margin-top: 8px !important;
}

.wpiko-style-pro-badge {
    display: inline-block;
    margin-left: 6px;
    padding: 1px 7px;
    border-radius: var(--wpiko-radius-full);
    background: var(--wpiko-gradient-primary);
    color: var(--wpiko-text-inverse);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: none;
    vertical-align: middle;
}

/* ==========================================================================
   PRESETS
   ========================================================================== */

.wpiko-style-presets {
    padding: 20px;
    border: 1px solid var(--wpiko-border);
    border-radius: var(--wpiko-radius-lg);
    background: var(--wpiko-surface-alt);
}

.wpiko-style-presets-head h3 {
    margin: 0 0 4px !important;
    font-size: 15px !important;
    color: var(--wpiko-text-strong) !important;
}

.wpiko-style-presets-head .description {
    margin: 0 0 16px;
}

.wpiko-preset-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
    gap: 14px;
}

.wpiko-preset-card {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 12px;
    text-align: left;
    background: var(--wpiko-surface);
    border: 1px solid var(--wpiko-border);
    border-radius: var(--wpiko-radius-lg);
    box-shadow: var(--wpiko-shadow-xs);
    cursor: pointer;
    transition: border-color var(--wpiko-transition), box-shadow var(--wpiko-transition), transform var(--wpiko-transition);
}

.wpiko-preset-card:hover {
    border-color: var(--wpiko-primary-light);
    box-shadow: var(--wpiko-shadow-md);
    transform: translateY(-2px);
}

.wpiko-preset-card:focus-visible {
    outline: none;
    border-color: var(--wpiko-primary);
    box-shadow: var(--wpiko-focus-ring);
}

.wpiko-preset-card.is-active {
    border-color: var(--wpiko-primary);
    box-shadow: 0 0 0 1px var(--wpiko-primary), var(--wpiko-shadow-sm);
}

/* Miniature chatbot window used as the card thumbnail */
.wpiko-preset-thumb {
    position: relative;
    display: block;
    height: 104px;
    padding: 0;
    overflow: hidden;
    border: 1px solid;
    border-radius: var(--wpiko-radius);
}

.wpiko-preset-thumb-bar {
    position: absolute;
    inset: 0 0 auto 0;
    display: flex;
    align-items: center;
    gap: 5px;
    height: 24px;
    padding: 0 8px;
    border-bottom: 1px solid;
}

.wpiko-preset-thumb-dot {
    width: 11px;
    height: 11px;
    border-radius: 50%;
    flex-shrink: 0;
}

.wpiko-preset-thumb-line {
    width: 42px;
    height: 4px;
    border-radius: var(--wpiko-radius-full);
    opacity: 0.75;
}

.wpiko-preset-thumb-bubble {
    position: absolute;
    height: 15px;
    border-radius: 8px;
}

.wpiko-preset-thumb-bubble.bot {
    top: 34px;
    left: 8px;
    width: 62%;
}

.wpiko-preset-thumb-bubble.user {
    top: 55px;
    right: 8px;
    width: 46%;
    border: 1px solid;
    opacity: 0.9;
}

.wpiko-preset-thumb-input {
    position: absolute;
    right: 8px;
    bottom: 8px;
    left: 8px;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    height: 22px;
    padding: 0 4px;
    border-radius: var(--wpiko-radius-full);
}

.wpiko-preset-thumb-send {
    width: 15px;
    height: 15px;
    border-radius: 50%;
}

.wpiko-preset-meta {
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.wpiko-preset-name {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    font-weight: 600;
    color: var(--wpiko-text-strong);
}

.wpiko-preset-check {
    font-size: 16px;
    width: 16px;
    height: 16px;
    color: var(--wpiko-primary);
    opacity: 0;
    transition: opacity var(--wpiko-transition);
}

.wpiko-preset-card.is-active .wpiko-preset-check {
    opacity: 1;
}

.wpiko-preset-desc {
    font-size: 12px;
    line-height: 1.45;
    color: var(--wpiko-text-muted);
}

.wpiko-preset-custom-note {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 16px 0 0;
    padding: 10px 12px;
    border: 1px solid var(--wpiko-border);
    border-radius: var(--wpiko-radius);
    background: var(--wpiko-surface);
    font-size: 12.5px;
    color: var(--wpiko-text-muted);
}

/* The rules above set a display value, which would otherwise beat [hidden]. */
.wpiko-preset-custom-note[hidden] {
    display: none;
}

.wpiko-preset-custom-note .dashicons {
    color: var(--wpiko-primary);
    font-size: 17px;
    width: 17px;
    height: 17px;
}

/* ==========================================================================
   COLOR FIELDS
   ========================================================================== */

.wpiko-color-field {
    display: flex;
    align-items: center;
    gap: 8px;
}

.style-settings-section .form-table input[type="text"].wpiko-color-hex {
    width: 96px;
    margin-bottom: 0;
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-size: 12px;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.wpiko-color-hex.is-invalid {
    border-color: var(--wpiko-danger);
    box-shadow: 0 0 0 3px var(--wpiko-danger-tint);
}

.wpiko-color-reset {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    padding: 0;
    border: 1px solid transparent;
    border-radius: var(--wpiko-radius-sm);
    background: transparent;
    color: var(--wpiko-text-faint);
    cursor: pointer;
    transition: all var(--wpiko-transition);
}

.wpiko-color-reset .dashicons {
    font-size: 16px;
    width: 16px;
    height: 16px;
}

.wpiko-color-reset:hover {
    border-color: var(--wpiko-border);
    background: var(--wpiko-surface-alt);
    color: var(--wpiko-text);
}

.wpiko-color-reset:focus-visible {
    outline: none;
    border-color: var(--wpiko-primary);
    box-shadow: var(--wpiko-focus-ring);
}

/* ==========================================================================
   SAVE BAR
   ========================================================================== */

.wpiko-style-actions {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-top: 22px;
    padding-top: 18px;
    border-top: 1px solid var(--wpiko-border-light);
}

.wpiko-style-dirty {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: 12.5px;
    font-weight: 500;
    color: var(--wpiko-warning-text);
}

.wpiko-style-dirty[hidden] {
    display: none;
}

.wpiko-style-dirty .dashicons {
    font-size: 16px;
    width: 16px;
    height: 16px;
    color: var(--wpiko-warning);
}

/* ==========================================================================
   LIVE PREVIEW
   ========================================================================== */

.wpiko-style-preview-wrap {
    /* Defaults for the whole preview column; JavaScript overwrites these from
       the form fields. Declared here so the floating-button strip below the
       chat window inherits the same values. */
    --p-primary: #0968fe;
    --p-primary-text: #ffffff;
    --p-bg: #ffffff;
    --p-header: #fbfbfb;
    --p-border: #f1f1f1;
    --p-name: #333333;
    --p-user-bg: #ffffff;
    --p-user-text: #444444;
    --p-user-border: solid;
    --p-bot-bg: #fbfbfb;
    --p-bot-text: #333333;
    --p-admin-label: #0968fe;
    --p-admin-bg: #f5f9ff;
    --p-admin-border: #e1edff;
    --p-admin-text: #002358;
    --p-icon: #707070;
    --p-input-bg: #fbfbfb;
    --p-floating-bg: #ffffff;

    /* Same offsets as the admin sidebar nav in admin-style.css, so the preview
       clears the WordPress admin bar and scrolls internally on short screens
       instead of running off the bottom of the viewport. */
    position: sticky;
    top: 52px;
    box-sizing: border-box;
    max-height: calc(100vh - 72px);
    overflow-y: auto;
    padding: 18px;
    border: 1px solid var(--wpiko-border);
    border-radius: var(--wpiko-radius-lg);
    background: var(--wpiko-surface-alt);
}

.wpiko-style-preview-head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 10px;
    margin-bottom: 14px;
}

.wpiko-style-preview-head h3 {
    margin: 0 !important;
    font-size: 14px !important;
    color: var(--wpiko-text-strong) !important;
}

.wpiko-style-preview-hint {
    font-size: 11px;
    color: var(--wpiko-text-faint);
}

.wpiko-style-preview {
    display: flex;
    flex-direction: column;
    overflow: hidden;
    border: 1px solid var(--p-border);
    border-radius: 16px;
    background: var(--p-bg);
    box-shadow: var(--wpiko-shadow-md);
    font-size: 12.5px;
    line-height: 1.45;
    transition: background-color var(--wpiko-transition), border-color var(--wpiko-transition);
}

/* Header */
.wpiko-preview-header {
    display: flex;
    align-items: center;
    gap: 9px;
    padding: 11px 12px;
    background: var(--p-header);
    border-bottom: 1px solid var(--p-border);
}

.wpiko-preview-avatar {
    position: relative;
    flex-shrink: 0;
    width: 34px;
    height: 34px;
}

.wpiko-preview-avatar img {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    object-fit: cover;
    display: block;
}

/* Front end is a 13px dot with a 2px ring on a 50px avatar; the preview avatar
   is 34px, so everything is scaled by 0.68. */
.wpiko-preview-status-dot {
    position: absolute;
    right: 0;
    bottom: 0;
    box-sizing: border-box;
    width: 9px;
    height: 9px;
    border: 1.5px solid var(--p-bg);
    border-radius: 50%;
    background: #00a878;
}

.wpiko-preview-identity {
    display: flex;
    flex-direction: column;
    min-width: 0;
    flex: 1;
}

.wpiko-preview-name {
    font-size: 13px;
    font-weight: 700;
    color: var(--p-name);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.wpiko-preview-subtitle {
    font-size: 11.5px;
    color: var(--p-name);
    opacity: 0.8;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.wpiko-preview-menu {
    display: flex;
    flex-direction: column;
    gap: 3px;
    flex-shrink: 0;
    padding: 4px;
}

.wpiko-preview-menu span {
    display: block;
    width: 15px;
    height: 2px;
    border-radius: 2px;
    background: var(--p-icon);
}

/* Messages */
.wpiko-preview-body {
    display: flex;
    flex-direction: column;
    gap: 9px;
    padding: 12px;
    min-height: 190px;
}

.wpiko-preview-row {
    display: flex;
    align-items: flex-end;
    gap: 6px;
}

/* The rule above sets a display value, which would otherwise beat [hidden]. */
.wpiko-preview-row[hidden] {
    display: none;
}

.wpiko-preview-row.user {
    justify-content: flex-end;
}

/* 29px on the front end, scaled by the preview's 0.75 factor. */
.wpiko-preview-msg-avatar {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    box-sizing: border-box;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    overflow: hidden;
}

.wpiko-preview-msg-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* On the front end this renders 26px wide next to the bot avatar's 29px — the
   20px cap applies to the content box, so the 2px padding and 1px border sit
   outside it. Scaled to the preview: 22px * (26/29) ~= 20px, with the glyph
   keeping roughly the same share of the circle. */
.wpiko-preview-msg-avatar.user {
    width: 20px;
    height: 20px;
    /* Whole pixels only: a fractional padding cannot land on a device-pixel
       boundary, so the browser snaps it unevenly and the glyph ends up visibly
       off-centre in a circle this small. Same 2px the front end uses. */
    padding: 2px;
    background: var(--p-user-bg);
    border: 1px var(--p-user-border) var(--p-user-text);
    color: var(--p-user-text);
}

.wpiko-preview-msg-avatar.user svg {
    width: 100%;
    height: 100%;
}

.wpiko-preview-bubble {
    max-width: 74%;
    padding: 7px 10px;
    font-size: 12px;
}

.wpiko-preview-bubble.bot {
    background: var(--p-bot-bg);
    color: var(--p-bot-text);
    border-radius: 10px 10px 10px 0;
}

.wpiko-preview-bubble.user {
    background: var(--p-user-bg);
    color: var(--p-user-text);
    border: 1px var(--p-user-border) var(--p-user-text);
    border-radius: 10px 10px 0 10px;
    font-weight: 500;
}

.wpiko-preview-admin-msg {
    width: 100%;
    padding: 8px 10px;
    background: var(--p-admin-bg);
    border: 1px solid var(--p-admin-border);
    border-radius: 10px;
    color: var(--p-admin-text);
    font-size: 12px;
}

.wpiko-preview-admin-label {
    display: block;
    margin-bottom: 2px;
    color: var(--p-admin-label);
    font-size: 10.5px;
    font-weight: 700;
    letter-spacing: 0.03em;
    text-transform: uppercase;
}

/* Input row */
.wpiko-preview-input {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 0 8px 10px;
    padding: 7px 7px 7px 12px;
    background: var(--p-input-bg);
    border-radius: 30px;
}

.wpiko-preview-placeholder {
    flex: 1;
    min-width: 0;
    color: var(--p-bot-text);
    opacity: 0.55;
    font-size: 12px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.wpiko-preview-send {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: var(--p-primary);
    color: var(--p-primary-text);
}

/* Icon-to-button ratio matches the front end (20px icon in a 40px button). */
.wpiko-preview-send svg {
    width: 17px;
    height: 17px;
}

/* Floating button preview */
.wpiko-preview-floating {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 8px;
    margin-top: 16px;
}

.wpiko-preview-floating-text {
    padding: 6px 11px;
    border-radius: 20px;
    background: var(--p-floating-bg);
    color: var(--p-name);
    font-size: 11.5px;
    box-shadow: var(--wpiko-shadow-sm);
}

.wpiko-preview-floating-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--p-primary);
    color: var(--p-primary-text);
    box-shadow: var(--wpiko-shadow-md);
}

/* Icon-to-button ratio matches the front end (24px icon in a 60px button). */
.wpiko-preview-floating-icon svg {
    width: 16px;
    height: 16px;
}

.wpiko-preview-note {
    margin: 14px 0 0 !important;
    font-size: 11.5px !important;
    line-height: 1.5;
}

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */

@media screen and (max-width: 1400px) {
    .wpiko-style-layout {
        grid-template-columns: minmax(0, 1fr) 320px;
        gap: 22px;
    }
}

@media screen and (max-width: 1100px) {
    .wpiko-style-layout {
        grid-template-columns: minmax(0, 1fr);
    }

    .wpiko-style-preview-wrap {
        position: static;
        max-width: 420px;
    }
}

@media screen and (max-width: 782px) {
    .wpiko-preset-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
        gap: 10px;
    }

    .wpiko-color-field {
        flex-wrap: wrap;
    }

    .wpiko-style-actions {
        flex-wrap: wrap;
    }
}