/* ==========================================================================
   WP N8N Chat Widget — Forerunner-inspired design
   ========================================================================== */

@property --wpn8n-glow-angle {
    syntax: '<angle>';
    initial-value: 0deg;
    inherits: false;
}

/* ---------- CSS Variables (overridable from PHP) ---------- */
:root {
    --wpn8n-primary: #F47F1F;
    --wpn8n-primary-hover: #d86d14;
    --wpn8n-background: #ffffff;
    --wpn8n-text: #212529;
    --wpn8n-text-secondary: #6c757d;
    --wpn8n-border: #e9ecef;
    --wpn8n-user-bubble: #F47F1F;
    --wpn8n-user-text: #ffffff;
    --wpn8n-font-size: 13.5px;
    --wpn8n-font-size-header: 18px;
    --wpn8n-font-size-subtitle: 13.5px;
    --wpn8n-font-size-bot-name: 13.5px;
    --wpn8n-font-size-input: 16px;
    --wpn8n-font-size-greeting: 14px;
    --wpn8n-widget-width: 425px;
    --wpn8n-widget-height: 675px;
    --wpn8n-toggle-size: 50px;
    --wpn8n-toggle-image-size: 100%;
    --wpn8n-toggle-radius: 50%;
    --wpn8n-bot-avatar-size: 32px;
}

/* ---------- Toggle Button ---------- */
#wpn8n-toggle-container {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 999999;
    display: flex;
    align-items: center;
    gap: 12px;
}

#wpn8n-toggle {
    width: var(--wpn8n-toggle-size);
    height: var(--wpn8n-toggle-size);
    border-radius: var(--wpn8n-toggle-radius);
    border: none;
    background: var(--wpn8n-primary);
    color: #fff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
    transition: transform 0.3s ease-in-out;
    flex-shrink: 0;
    padding: 0;
    outline: none;
    -webkit-appearance: none;
    appearance: none;
}

#wpn8n-toggle:hover {
    transform: scale(1.1);
}

#wpn8n-toggle svg {
    width: 24px;
    height: 24px;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

#wpn8n-toggle .wpn8n-toggle-img {
    width: var(--wpn8n-toggle-image-size, 100%);
    height: var(--wpn8n-toggle-image-size, 100%);
    object-fit: contain;
    pointer-events: none;
    border-radius: var(--wpn8n-toggle-radius);
}

#wpn8n-toggle .wpn8n-toggle-fa {
    font-size: var(--wpn8n-toggle-image-size, 24px);
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: none;
}

/* Rotating conic-gradient border */
#wpn8n-toggle::before {
    content: '';
    position: absolute;
    top: -3px;
    left: -3px;
    right: -3px;
    bottom: -3px;
    border-radius: var(--wpn8n-toggle-radius);
    background: conic-gradient(
        from var(--wpn8n-glow-angle),
        transparent 0deg, transparent 200deg,
        rgba(255,255,255,0.2) 220deg,
        rgba(255,255,255,0.5) 250deg,
        rgba(255,255,255,0.9) 280deg,
        rgba(255,255,255,0.6) 310deg,
        rgba(255,255,255,0.3) 330deg,
        transparent 350deg
    );
    animation: wpn8n-rotate-gradient 2.5s linear infinite;
    z-index: -1;
}

#wpn8n-toggle::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: var(--wpn8n-toggle-radius);
    background: var(--wpn8n-primary);
    z-index: -1;
}

@keyframes wpn8n-rotate-gradient {
    to { --wpn8n-glow-angle: 360deg; }
}

#wpn8n-toggle.wpn8n-no-glow::before {
    display: none;
}

/* ---------- Badge ---------- */
#wpn8n-toggle .wpn8n-badge {
    position: absolute;
    top: -2px;
    right: -2px;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: #ff0000;
    border: 2px solid #fff;
    animation: wpn8n-pulse-badge 2s ease-in-out infinite;
    z-index: 1;
}

@keyframes wpn8n-pulse-badge {
    0%, 100% { transform: scale(1); opacity: 1; }
    50%      { transform: scale(1.3); opacity: 0.7; }
}

/* ---------- Greeting Tooltip ---------- */
#wpn8n-greeting {
    font-family: var(--wpn8n-font-family, inherit);
    background: var(--wpn8n-background);
    color: var(--wpn8n-text);
    padding: 10px 14px;
    border-radius: 12px;
    max-width: 200px;
    font-size: var(--wpn8n-font-size-greeting);
    line-height: 1.4;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(200, 200, 200, 0.6);
    position: relative;
    overflow: hidden;
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.3s ease, transform 0.3s ease;
    cursor: pointer;
}

#wpn8n-greeting.visible {
    opacity: 1;
    transform: translateY(0);
}

#wpn8n-greeting.hidden {
    display: none;
}

/* Shimmer effect */
#wpn8n-greeting::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 50%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.4),
        transparent
    );
    animation: wpn8n-shimmer 4s ease-in-out infinite;
}

@keyframes wpn8n-shimmer {
    0%, 100% { left: -100%; }
    50%      { left: 150%; }
}

#wpn8n-greeting .wpn8n-greeting-close {
    position: absolute;
    top: 2px;
    right: 6px;
    background: none;
    border: none;
    font-size: 14px;
    color: var(--wpn8n-text-secondary);
    cursor: pointer;
    padding: 0;
    line-height: 1;
}

/* ---------- Chat Widget Window ---------- */
#wpn8n-widget {
    position: fixed;
    bottom: 85px;
    right: 20px;
    width: var(--wpn8n-widget-width);
    max-width: min(425px, calc(100vw - 40px));
    height: var(--wpn8n-widget-height);
    max-height: calc(100dvh - 110px);
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
    display: none;
    flex-direction: column;
    overflow: clip;
    z-index: 999998;
    transform-origin: bottom right;
    background: var(--wpn8n-background);
    font-family: var(--wpn8n-font-family, inherit);
}

#wpn8n-widget.open {
    display: flex;
    animation: wpn8n-scale-in 0.3s ease-in-out;
}

@keyframes wpn8n-scale-in {
    from { opacity: 0; transform: scale(0.5); }
    to   { opacity: 1; transform: scale(1); }
}

/* ---------- Header (Glassmorphism) ---------- */
#wpn8n-header {
    background: rgba(242, 245, 247, 0.85);
    backdrop-filter: blur(15px) brightness(1.1);
    -webkit-backdrop-filter: blur(15px) brightness(1.1);
    padding: 18px 20px;
    border-bottom: 1px solid rgba(210, 220, 230, 0.8);
    border-radius: 12px 12px 0 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-shrink: 0;
}

#wpn8n-header-content {
    flex: 1;
    min-width: 0;
}

#wpn8n-header-title {
    font-family: var(--wpn8n-font-family-header, var(--wpn8n-font-family, inherit));
    font-size: var(--wpn8n-font-size-header);
    font-weight: 800;
    background-image: linear-gradient(90deg, var(--wpn8n-primary), var(--wpn8n-primary-hover), var(--wpn8n-primary));
    background-size: 200% auto;
    background-clip: text;
    -webkit-background-clip: text;
    color: transparent;
    animation: wpn8n-text-gradient 3s linear infinite;
    line-height: 1.3;
}

@keyframes wpn8n-text-gradient {
    0%   { background-position: 0% center; }
    100% { background-position: 200% center; }
}

#wpn8n-header-subtitle {
    font-size: var(--wpn8n-font-size-subtitle);
    font-weight: 400;
    color: #020D28;
    opacity: 0.8;
    margin-top: 2px;
    line-height: 1.3;
}

#wpn8n-header-buttons {
    display: flex;
    align-items: center;
    gap: 4px;
    flex-shrink: 0;
}

#wpn8n-header-buttons button {
    background: transparent;
    border: none;
    padding: 6px;
    border-radius: 4px;
    cursor: pointer;
    color: #6c757d;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
}

#wpn8n-header-buttons button:hover {
    background: rgba(0, 0, 0, 0.08);
}

#wpn8n-header-buttons button svg {
    width: 18px;
    height: 18px;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

/* ---------- Messages Area ---------- */
#wpn8n-messages {
    flex: 1;
    padding: 20px;
    padding-bottom: 0;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 15px;
    background: var(--wpn8n-background);
}

#wpn8n-messages::-webkit-scrollbar {
    width: 6px;
}

#wpn8n-messages::-webkit-scrollbar-track {
    background: transparent;
}

#wpn8n-messages::-webkit-scrollbar-thumb {
    background: rgba(0, 0, 0, 0.15);
    border-radius: 3px;
}

/* ---------- Message ---------- */
.wpn8n-message {
    display: flex;
    flex-direction: column;
    animation: wpn8n-fade-in 0.3s ease-in;
}

@keyframes wpn8n-fade-in {
    from { opacity: 0; transform: translateY(10px); }
    to   { opacity: 1; transform: translateY(0); }
}

.wpn8n-message-sender {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 4px;
}

.wpn8n-bot-avatar {
    width: var(--wpn8n-bot-avatar-size);
    height: var(--wpn8n-bot-avatar-size);
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
}

.wpn8n-bot-avatar-default {
    width: var(--wpn8n-bot-avatar-size);
    height: var(--wpn8n-bot-avatar-size);
    border-radius: 50%;
    background: var(--wpn8n-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.wpn8n-bot-avatar-default svg {
    width: 18px;
    height: 18px;
    fill: #fff;
}

.wpn8n-sender-name {
    font-size: var(--wpn8n-font-size-bot-name);
    font-weight: 500;
    color: var(--wpn8n-text);
}

.wpn8n-message-text {
    padding: 12px 18px;
    border-radius: 16px;
    max-width: 85%;
    line-height: 1.5;
    font-size: var(--wpn8n-font-size);
    word-wrap: break-word;
    overflow-wrap: break-word;
}

/* Bot message */
.wpn8n-message-bot .wpn8n-message-text {
    background: var(--wpn8n-background);
    color: var(--wpn8n-text);
    border: 1px solid rgba(200, 210, 220, 0.8);
    border-bottom-left-radius: 4px;
    align-self: flex-start;
}

/* User message */
.wpn8n-message-user {
    align-items: flex-end;
}

.wpn8n-message-user .wpn8n-message-text {
    background: var(--wpn8n-user-bubble);
    color: var(--wpn8n-user-text);
    border: 1px solid var(--wpn8n-user-bubble);
    border-bottom-right-radius: 4px;
    align-self: flex-end;
}

/* ---------- Typing Indicator ---------- */
.wpn8n-typing {
    display: flex;
    flex-direction: column;
    animation: wpn8n-fade-in 0.3s ease-in;
}

.wpn8n-typing-dots {
    padding: 12px 18px;
    background: var(--wpn8n-background);
    border: 1px solid rgba(200, 210, 220, 0.8);
    border-radius: 20px;
    border-bottom-left-radius: 4px;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    align-self: flex-start;
}

.wpn8n-typing-dots span {
    width: 8px;
    height: 8px;
    background: #999;
    border-radius: 50%;
    display: inline-block;
    animation: wpn8n-bounce 1.4s infinite ease-in-out both;
}

.wpn8n-typing-dots span:nth-child(1) { animation-delay: 0s; }
.wpn8n-typing-dots span:nth-child(2) { animation-delay: -0.8s; }
.wpn8n-typing-dots span:nth-child(3) { animation-delay: -0.4s; }

@keyframes wpn8n-bounce {
    0%, 80%, 100% { transform: scale(0); }
    40%           { transform: scale(1); }
}

/* ---------- Typewriter streaming cursor ---------- */
.wpn8n-streaming .wpn8n-message-text::after {
    content: '';
    display: inline-block;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--wpn8n-text-secondary);
    margin-left: 4px;
    vertical-align: middle;
    animation: wpn8n-pulse-dot 1.2s ease-in-out infinite;
}

@keyframes wpn8n-pulse-dot {
    0%, 100% { opacity: 0.3; }
    50%      { opacity: 1; }
}

.wpn8n-stream-word {
    opacity: 0;
    transition: opacity 0.15s ease;
}

.wpn8n-stream-word.visible {
    opacity: 1;
}

/* ---------- Input Area ---------- */
#wpn8n-input-container {
    background: var(--wpn8n-background);
    border-top: 1px solid rgba(220, 230, 240, 0.7);
    padding: 12px 15px;
    flex-shrink: 0;
}

#wpn8n-input-row {
    display: flex;
    align-items: center;
    gap: 8px;
}

#wpn8n-input {
    flex: 1;
    height: 45px;
    border: 1px solid rgba(200, 210, 220, 0.8);
    border-radius: 22.5px;
    padding: 0 20px;
    font-size: var(--wpn8n-font-size-input);
    font-family: inherit;
    background: var(--wpn8n-background);
    color: var(--wpn8n-text);
    outline: none;
    transition: border-color 0.2s;
}

#wpn8n-input:focus {
    border-color: var(--wpn8n-primary);
}

#wpn8n-input::placeholder {
    color: var(--wpn8n-text-secondary);
}

#wpn8n-send {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    border: none;
    background: var(--wpn8n-primary);
    color: #fff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: transform 0.2s, background 0.2s;
    padding: 0;
}

#wpn8n-send:hover {
    transform: scale(1.05);
    background: var(--wpn8n-primary-hover);
}

#wpn8n-send:disabled {
    cursor: wait;
    opacity: 0.7;
}

#wpn8n-send svg {
    width: 18px;
    height: 18px;
    fill: none;
    stroke: currentColor;
    stroke-width: 2.5;
    stroke-linecap: round;
    stroke-linejoin: round;
}

/* ---------- Markdown in messages ---------- */
.wpn8n-message-text a {
    color: var(--wpn8n-primary);
    text-decoration: underline;
}

.wpn8n-message-user .wpn8n-message-text a {
    color: var(--wpn8n-user-text);
}

.wpn8n-message-text strong {
    font-weight: 600;
}

.wpn8n-message-text ul,
.wpn8n-message-text ol {
    margin: 6px 0;
    padding-left: 20px;
}

.wpn8n-message-text li {
    margin-bottom: 2px;
}

.wpn8n-message-text code {
    background: rgba(0, 0, 0, 0.06);
    color: #d63384;
    padding: 1px 5px;
    border-radius: 3px;
    font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
    font-size: 0.9em;
}

.wpn8n-message-text pre {
    background: #1e1e2e;
    color: #cdd6f4;
    padding: 12px 16px;
    border-radius: 8px;
    overflow-x: auto;
    margin: 8px 0;
    font-size: 12px;
    line-height: 1.5;
}

.wpn8n-message-text pre code {
    background: none;
    color: inherit;
    padding: 0;
    border-radius: 0;
    font-size: inherit;
}

.wpn8n-message-text p {
    margin: 0 0 8px 0;
}

.wpn8n-message-text p:last-child {
    margin-bottom: 0;
}

/* ---------- Toggle entry animations ---------- */
#wpn8n-toggle.wpn8n-anim-bounceIn {
    animation: wpn8n-bounceIn 0.6s ease-out;
}

@keyframes wpn8n-bounceIn {
    0%   { transform: scale(0); opacity: 0; }
    50%  { transform: scale(1.15); }
    70%  { transform: scale(0.95); }
    100% { transform: scale(1); opacity: 1; }
}

#wpn8n-toggle.wpn8n-anim-fadeInUp {
    animation: wpn8n-fadeInUp 0.5s ease-out;
}

@keyframes wpn8n-fadeInUp {
    from { transform: translateY(30px); opacity: 0; }
    to   { transform: translateY(0); opacity: 1; }
}

#wpn8n-toggle.wpn8n-anim-slideInRight {
    animation: wpn8n-slideInRight 0.5s ease-out;
}

@keyframes wpn8n-slideInRight {
    from { transform: translateX(100px); opacity: 0; }
    to   { transform: translateX(0); opacity: 1; }
}

/* Idle floating animation */
#wpn8n-toggle.wpn8n-anim-idle {
    animation: wpn8n-float 3s ease-in-out infinite;
}

@keyframes wpn8n-float {
    0%, 100% { transform: translateY(0); }
    50%      { transform: translateY(-6px); }
}

/* ---------- Responsive (Mobile) ---------- */
@media (max-width: 768px) {
    #wpn8n-widget {
        width: calc(100vw - 20px);
        right: 10px;
        bottom: 80px;
        height: min(calc(100dvh - 100px), 675px);
        max-width: none;
    }

    #wpn8n-greeting {
        max-width: 160px;
        font-size: 13px;
    }
}

/* ---------- Hidden when chat open ---------- */
body.wpn8n-chat-open #wpn8n-toggle-container {
    display: none !important;
}