/* =========================================================================
   Catalyst Chat — floating concierge widget (self-contained).
   Colors/fonts read the host theme's CSS variables when present and fall back
   to standalone defaults, so the widget matches its host but works anywhere.
   ========================================================================= */

#cchatFloat {
    --cc-accent:       var(--color-coral, #ff4d00);
    --cc-accent-glow:  var(--color-coral-glow, rgba(255, 77, 0, 0.3));
    --cc-accent-hover: var(--color-coral, #ff6a2e);
    --cc-surface:      var(--color-surface, #1a1a1a);
    --cc-bg:           var(--color-black, #0a0a0a);
    --cc-text:         var(--color-white, #fafafa);
    --cc-muted:        var(--color-muted, rgba(255, 255, 255, 0.5));
    --cc-border:       var(--border-subtle, rgba(255, 255, 255, 0.1));
    --cc-radius:       var(--radius-xl, 1.25rem);
    --cc-radius-lg:    var(--radius-lg, 0.85rem);
    --cc-font-display: var(--font-display, 'Oswald', system-ui, -apple-system, sans-serif);
    --cc-font-body:    var(--font-body, system-ui, -apple-system, sans-serif);
    --cc-font-mono:    var(--font-mono, ui-monospace, 'Space Mono', monospace);
    --cc-ease:         var(--ease-smooth, cubic-bezier(0.4, 0, 0.2, 1));
}

.cchat-float {
    position: fixed;
    right: 24px;
    bottom: 24px;
    z-index: 9500;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 0.75rem;
}

.cchat-launcher {
    width: 60px;
    height: 60px;
    border: none;
    border-radius: 50%;
    background: var(--cc-accent);
    color: #fff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4), 0 0 0 1px rgba(255, 255, 255, 0.08);
    transition: transform 0.25s var(--cc-ease), box-shadow 0.25s var(--cc-ease);
}
.cchat-launcher:hover {
    transform: scale(1.07);
    box-shadow: 0 14px 36px var(--cc-accent-glow), 0 0 0 1px rgba(255, 255, 255, 0.12);
}
.cchat-launcher svg { width: 26px; height: 26px; }
.cchat-launcher-icon-close { display: none; }
.cchat-float--open .cchat-launcher-icon-open { display: none; }
.cchat-float--open .cchat-launcher-icon-close { display: block; }

.cchat-panel {
    width: min(380px, calc(100vw - 32px));
    height: min(540px, calc(100vh - 130px));
    display: flex;
    flex-direction: column;
    background: var(--cc-surface);
    border: 1px solid var(--cc-border);
    border-radius: var(--cc-radius);
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.55);
    overflow: hidden;
    transform-origin: bottom right;
    animation: cchatPanelIn 0.25s var(--cc-ease);
}
.cchat-panel[hidden] { display: none; }

.cchat-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.5rem;
    background: var(--cc-bg);
    border-bottom: 1px solid var(--cc-border);
}
.cchat-panel-title {
    font-family: var(--cc-font-display);
    font-weight: 700;
    font-size: 1.125rem;
    color: var(--cc-text);
}
.cchat-close {
    background: none;
    border: none;
    color: var(--cc-muted);
    cursor: pointer;
    padding: 0.25rem;
    display: flex;
    transition: color 0.2s ease;
}
.cchat-close:hover { color: var(--cc-text); }
.cchat-close svg { width: 18px; height: 18px; }

.cchat-messages {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    overflow-y: auto;
    padding: 1rem;
    scrollbar-width: thin;
    scrollbar-color: var(--cc-muted) transparent;
}

.cchat-bubble {
    max-width: 82%;
    padding: 0.75rem 1rem;
    border-radius: var(--cc-radius-lg);
    font-family: var(--cc-font-body);
    font-size: 0.875rem;
    line-height: 1.55;
    color: var(--cc-text);
    white-space: pre-wrap;
    overflow-wrap: break-word;
}
.cchat-bubble--assistant {
    align-self: flex-start;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--cc-border);
    border-bottom-left-radius: 0.25rem;
}
.cchat-bubble--user {
    align-self: flex-end;
    background: var(--cc-accent);
    color: #fff;
    border-bottom-right-radius: 0.25rem;
}
.cchat-bubble--error {
    align-self: flex-start;
    background: rgba(255, 77, 0, 0.12);
    border: 1px solid var(--cc-accent);
    color: var(--cc-text);
}

.cchat-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    align-self: flex-start;
}
.cchat-chip {
    background: transparent;
    border: 1px solid var(--cc-accent);
    border-radius: 100px;
    padding: 0.5rem 1rem;
    font-family: var(--cc-font-mono);
    font-size: 0.75rem;
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--cc-text);
    cursor: pointer;
    transition: background 0.2s ease, transform 0.2s var(--cc-ease);
}
.cchat-chip:hover {
    background: rgba(255, 77, 0, 0.15);
    transform: translateY(-1px);
}

.cchat-typing span {
    display: inline-block;
    width: 7px;
    height: 7px;
    margin-right: 4px;
    border-radius: 50%;
    background: var(--cc-muted);
    animation: cchatTyping 1.2s infinite ease-in-out;
}
.cchat-typing span:nth-child(2) { animation-delay: 0.15s; }
.cchat-typing span:nth-child(3) { animation-delay: 0.3s; }

.cchat-input-row {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    padding: 0.75rem 1rem;
    border-top: 1px solid var(--cc-border);
}
.cchat-input-row input {
    flex: 1;
    min-width: 0;
    background: var(--cc-bg);
    border: 1px solid var(--cc-border);
    border-radius: 100px;
    padding: 0.75rem 1rem;
    font-family: var(--cc-font-body);
    font-size: 0.875rem;
    color: var(--cc-text);
    transition: border-color 0.2s ease;
}
.cchat-input-row input:focus {
    outline: none;
    border-color: var(--cc-accent);
    box-shadow: 0 0 0 3px var(--cc-accent-glow);
}
.cchat-input-row input::placeholder { color: var(--cc-muted); }

.cchat-send {
    flex-shrink: 0;
    width: 42px;
    height: 42px;
    border: none;
    border-radius: 50%;
    background: var(--cc-accent);
    color: #fff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.2s var(--cc-ease), opacity 0.2s ease;
}
.cchat-send:hover { transform: scale(1.08); }
.cchat-send svg { width: 18px; height: 18px; }
.cchat-float--pending .cchat-send { opacity: 0.5; pointer-events: none; }

.cchat-disclaimer {
    margin: 0;
    padding: 0 1rem 0.75rem;
    text-align: center;
    font-family: var(--cc-font-mono);
    font-size: 0.65rem;
    color: var(--cc-muted);
    letter-spacing: 0.05em;
}

/* Visually-hidden label (in case the host theme lacks .screen-reader-text). */
.cchat-panel .screen-reader-text {
    position: absolute;
    width: 1px; height: 1px;
    padding: 0; margin: -1px;
    overflow: hidden; clip: rect(0, 0, 0, 0);
    white-space: nowrap; border: 0;
}

@keyframes cchatPanelIn {
    from { opacity: 0; transform: translateY(12px) scale(0.97); }
    to   { opacity: 1; transform: translateY(0) scale(1); }
}
@keyframes cchatTyping {
    0%, 60%, 100% { transform: translateY(0); opacity: 0.4; }
    30%           { transform: translateY(-4px); opacity: 1; }
}

@media (max-width: 640px) {
    .cchat-float { right: 12px; bottom: 12px; }
    .cchat-launcher { width: 54px; height: 54px; }
    .cchat-panel { width: calc(100vw - 24px); height: min(70vh, calc(100vh - 110px)); }
    .cchat-bubble { max-width: 92%; }
}

@media (prefers-reduced-motion: reduce) {
    .cchat-panel { animation: none; }
    .cchat-typing span { animation: none; }
}