/**
 * Live Chat Frontend Styles
 *
 * Floating chat widget styles.
 *
 * @package King_Addons
 */

/* CSS Variables (defaults) */
.ka-live-chat {
    --ka-chat-btn-size: 60px;
    --ka-chat-btn-color: #0066ff;
    --ka-chat-width: 380px;
    --ka-chat-height: 520px;
    --ka-chat-header-bg: #0066ff;
    --ka-chat-header-text: #ffffff;
    --ka-chat-bg: #ffffff;
    --ka-chat-visitor-bg: #e8f4fd;
    --ka-chat-visitor-text: #1d1d1f;
    --ka-chat-admin-bg: #0066ff;
    --ka-chat-admin-text: #ffffff;
    --ka-chat-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
    --ka-chat-radius: 20px;
}

/* Container */
.ka-live-chat {
    position: fixed;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    font-size: 14px;
    line-height: 1.5;
    z-index: 9999;
}

.ka-live-chat * {
    box-sizing: border-box;
}

/* Floating Button */
.ka-live-chat__button {
    width: var(--ka-chat-btn-size);
    height: var(--ka-chat-btn-size);
    border-radius: 50%;
    background: var(--ka-chat-btn-color);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    position: relative;
}

.ka-live-chat__button:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 25px rgba(0, 0, 0, 0.25);
}

.ka-live-chat__button:active {
    transform: scale(0.95);
}

.ka-live-chat__icon {
    width: 26px;
    height: 26px;
    color: #fff;
    transition: opacity 0.2s, transform 0.2s;
}

.ka-live-chat__icon--close {
    position: absolute;
    opacity: 0;
    transform: rotate(-90deg);
}

.ka-live-chat--open .ka-live-chat__icon--chat {
    opacity: 0;
    transform: rotate(90deg);
}

.ka-live-chat--open .ka-live-chat__icon--close {
    opacity: 1;
    transform: rotate(0);
}

/* Unread Badge */
.ka-live-chat__badge {
    position: absolute;
    top: -4px;
    right: -4px;
    background: #ff3b30;
    color: #fff;
    font-size: 11px;
    font-weight: 600;
    min-width: 20px;
    height: 20px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 6px;
    animation: ka-chat-badge-pulse 2s infinite;
}

@keyframes ka-chat-badge-pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

/* Chat Panel */
.ka-live-chat__panel {
    position: absolute;
    bottom: calc(var(--ka-chat-btn-size) + 16px);
    width: var(--ka-chat-width);
    height: var(--ka-chat-height);
    background: var(--ka-chat-bg);
    border-radius: var(--ka-chat-radius);
    box-shadow: var(--ka-chat-shadow);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px) scale(0.95);
    transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s;
}

.ka-live-chat--right .ka-live-chat__panel {
    right: 0;
}

.ka-live-chat--left .ka-live-chat__panel {
    left: 0;
}

.ka-live-chat--open .ka-live-chat__panel {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}

/* Header */
.ka-live-chat__header {
    background: var(--ka-chat-header-bg);
    color: var(--ka-chat-header-text);
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-shrink: 0;
}

.ka-live-chat__header-title {
    font-size: 18px;
    font-weight: 600;
    margin: 0 0 4px;
}

.ka-live-chat__header-subtitle {
    font-size: 13px;
    opacity: 0.9;
    display: flex;
    align-items: center;
    gap: 6px;
}

.ka-live-chat__status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
}

.ka-live-chat__status-dot--online {
    background: #34c759;
    animation: ka-status-pulse 2s infinite;
}

@keyframes ka-status-pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.ka-live-chat__close {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    border-radius: 8px;
    padding: 8px;
    cursor: pointer;
    color: inherit;
    transition: background 0.2s;
}

.ka-live-chat__close:hover {
    background: rgba(255, 255, 255, 0.3);
}

.ka-live-chat__close svg {
    width: 18px;
    height: 18px;
    display: block;
}

/* Pre-chat Form */
.ka-live-chat__prechat {
    padding: 20px;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 16px;
    overflow-y: auto;
}

.ka-live-chat--chatting .ka-live-chat__prechat {
    display: none;
}

.ka-live-chat__field label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: #6e6e73;
    margin-bottom: 6px;
}

.ka-live-chat__field input {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid #e5e5ea;
    border-radius: 10px;
    font-size: 14px;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.ka-live-chat__field input:focus {
    outline: none;
    border-color: var(--ka-chat-btn-color);
    box-shadow: 0 0 0 3px rgba(0, 102, 255, 0.1);
}

/* Honeypot - hide from humans */
.ka-live-chat__hp {
    position: absolute;
    left: -9999px;
}

.ka-live-chat__start {
    background: var(--ka-chat-btn-color);
    color: #fff;
    border: none;
    border-radius: 10px;
    padding: 14px 20px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.2s, transform 0.1s;
    margin-top: auto;
}

.ka-live-chat__start:hover {
    filter: brightness(1.1);
}

.ka-live-chat__start:active {
    transform: scale(0.98);
}

.ka-live-chat__start:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* Messages Area */
.ka-live-chat__messages {
    flex: 1;
    overflow-y: auto;
    display: none;
    flex-direction: column;
}

.ka-live-chat--chatting .ka-live-chat__messages {
    display: flex;
}

.ka-live-chat__messages-list {
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    min-height: 100%;
}

/* Message Bubbles */
.ka-live-chat__message {
    max-width: 80%;
    padding: 12px 16px;
    border-radius: 16px;
    animation: ka-message-appear 0.3s ease;
}

@keyframes ka-message-appear {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.ka-live-chat__message--visitor {
    background: var(--ka-chat-visitor-bg);
    color: var(--ka-chat-visitor-text);
    align-self: flex-end;
    border-bottom-right-radius: 4px;
}

.ka-live-chat__message--admin {
    background: var(--ka-chat-admin-bg);
    color: var(--ka-chat-admin-text);
    align-self: flex-start;
    border-bottom-left-radius: 4px;
}

.ka-live-chat__message--welcome {
    background: #f5f5f7;
    color: #1d1d1f;
    align-self: flex-start;
    border-bottom-left-radius: 4px;
}

.ka-live-chat__message-text {
    word-wrap: break-word;
    white-space: pre-wrap;
}

.ka-live-chat__message-time {
    font-size: 11px;
    opacity: 0.7;
    margin-top: 4px;
}

/* Typing Indicator */
.ka-live-chat__typing {
    padding: 12px 16px;
    background: #f5f5f7;
    border-radius: 16px;
    border-bottom-left-radius: 4px;
    align-self: flex-start;
    display: none;
}

.ka-live-chat__typing-dots {
    display: flex;
    gap: 4px;
}

.ka-live-chat__typing-dot {
    width: 8px;
    height: 8px;
    background: #86868b;
    border-radius: 50%;
    animation: ka-typing-bounce 1.4s infinite ease-in-out;
}

.ka-live-chat__typing-dot:nth-child(1) { animation-delay: 0s; }
.ka-live-chat__typing-dot:nth-child(2) { animation-delay: 0.2s; }
.ka-live-chat__typing-dot:nth-child(3) { animation-delay: 0.4s; }

@keyframes ka-typing-bounce {
    0%, 60%, 100% { transform: translateY(0); }
    30% { transform: translateY(-4px); }
}

/* Input Area */
.ka-live-chat__input {
    padding: 16px;
    border-top: 1px solid #f1f1f4;
    display: none;
    gap: 12px;
    align-items: flex-end;
    background: var(--ka-chat-bg);
}

.ka-live-chat--chatting .ka-live-chat__input {
    display: flex;
}

.ka-live-chat__input textarea {
    flex: 1;
    padding: 12px 14px;
    border: 1px solid #e5e5ea;
    border-radius: 12px;
    font-size: 14px;
    font-family: inherit;
    resize: none;
    max-height: 100px;
    transition: border-color 0.2s;
}

.ka-live-chat__input textarea:focus {
    outline: none;
    border-color: var(--ka-chat-btn-color);
}

.ka-live-chat__send {
    width: 44px;
    height: 44px;
    background: var(--ka-chat-btn-color);
    border: none;
    border-radius: 12px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    transition: transform 0.1s, background 0.2s;
    flex-shrink: 0;
}

.ka-live-chat__send:hover {
    filter: brightness(1.1);
}

.ka-live-chat__send:active {
    transform: scale(0.95);
}

.ka-live-chat__send:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.ka-live-chat__send svg {
    width: 20px;
    height: 20px;
}

/* Offline Message */
.ka-live-chat__offline {
    padding: 12px 16px;
    background: #fff3cd;
    color: #856404;
    font-size: 13px;
    text-align: center;
    display: none;
}

.ka-live-chat[data-online="false"] .ka-live-chat__offline {
    display: block;
}

/* Error State */
.ka-live-chat__error {
    padding: 12px 16px;
    background: #f8d7da;
    color: #721c24;
    font-size: 13px;
    text-align: center;
    display: none;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.ka-live-chat__error button {
    background: #721c24;
    color: #fff;
    border: none;
    border-radius: 6px;
    padding: 6px 12px;
    font-size: 12px;
    cursor: pointer;
}

/* Loading */
.ka-live-chat__loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.ka-live-chat__spinner {
    width: 24px;
    height: 24px;
    border: 2px solid #f1f1f4;
    border-top-color: var(--ka-chat-btn-color);
    border-radius: 50%;
    animation: ka-spin 0.8s linear infinite;
}

@keyframes ka-spin {
    to { transform: rotate(360deg); }
}

/* Mobile Responsive */
@media (max-width: 480px) {
    .ka-live-chat__panel {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        width: 100%;
        height: 100%;
        border-radius: 0;
        max-height: 100%;
    }

    .ka-live-chat--open .ka-live-chat__button {
        display: none;
    }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    .ka-live-chat__panel,
    .ka-live-chat__button,
    .ka-live-chat__message,
    .ka-live-chat__icon {
        transition: none;
        animation: none;
    }
}

/* Contact Form Mode */
.ka-live-chat__contact-form {
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    flex: 1;
    overflow-y: auto;
}

.ka-live-chat__contact-form textarea {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid #e5e5ea;
    border-radius: 10px;
    font-size: 14px;
    font-family: inherit;
    resize: vertical;
    min-height: 100px;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.ka-live-chat__contact-form textarea:focus {
    outline: none;
    border-color: var(--ka-chat-btn-color);
    box-shadow: 0 0 0 3px rgba(0, 102, 255, 0.1);
}

.ka-live-chat__submit {
    background: var(--ka-chat-btn-color);
    color: #fff;
    border: none;
    border-radius: 10px;
    padding: 14px 20px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.2s, transform 0.1s;
}

.ka-live-chat__submit:hover {
    filter: brightness(1.1);
}

.ka-live-chat__submit:active {
    transform: scale(0.98);
}

.ka-live-chat__submit:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* Success State */
.ka-live-chat__success {
    padding: 40px 20px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
    flex: 1;
}

.ka-live-chat__success svg {
    width: 64px;
    height: 64px;
    color: #34c759;
    stroke-width: 1.5;
}

.ka-live-chat__success p {
    font-size: 16px;
    color: #1d1d1f;
    line-height: 1.5;
    margin: 0;
}

.ka-live-chat__new-message {
    background: transparent;
    color: var(--ka-chat-btn-color);
    border: 1px solid var(--ka-chat-btn-color);
    border-radius: 8px;
    padding: 10px 20px;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s;
    margin-top: 8px;
}

.ka-live-chat__new-message:hover {
    background: var(--ka-chat-btn-color);
    color: #fff;
}

/* Dark Theme for Widget (user preference) */
@media (prefers-color-scheme: dark) {
    .ka-live-chat {
        --ka-chat-bg: #1c1c1e;
        --ka-chat-visitor-bg: #2c2c2e;
        --ka-chat-visitor-text: #f5f5f7;
    }

    .ka-live-chat__panel {
        background: #1c1c1e;
    }

    .ka-live-chat__field input,
    .ka-live-chat__field textarea,
    .ka-live-chat__input textarea,
    .ka-live-chat__contact-form textarea {
        background: #2c2c2e;
        border-color: #3c3c3e;
        color: #f5f5f7;
    }

    .ka-live-chat__field input:focus,
    .ka-live-chat__field textarea:focus,
    .ka-live-chat__input textarea:focus,
    .ka-live-chat__contact-form textarea:focus {
        border-color: var(--ka-chat-btn-color);
        background: #2c2c2e;
    }

    .ka-live-chat__field label {
        color: #a1a1a6;
    }

    .ka-live-chat__input {
        border-top-color: #3c3c3e;
        background: #1c1c1e;
    }

    .ka-live-chat__message--welcome {
        background: #2c2c2e;
        color: #f5f5f7;
    }

    .ka-live-chat__success p {
        color: #f5f5f7;
    }

    .ka-live-chat__typing {
        background: #2c2c2e;
    }

    .ka-live-chat__typing-dot {
        background: #6e6e73;
    }
}

/* Manual dark theme class */
.ka-live-chat--dark {
    --ka-chat-bg: #1c1c1e;
    --ka-chat-visitor-bg: #2c2c2e;
    --ka-chat-visitor-text: #f5f5f7;
}

.ka-live-chat--dark .ka-live-chat__panel {
    background: #1c1c1e;
}

.ka-live-chat--dark .ka-live-chat__field input,
.ka-live-chat--dark .ka-live-chat__field textarea,
.ka-live-chat--dark .ka-live-chat__input textarea,
.ka-live-chat--dark .ka-live-chat__contact-form textarea {
    background: #2c2c2e;
    border-color: #3c3c3e;
    color: #f5f5f7;
}

.ka-live-chat--dark .ka-live-chat__field input:focus,
.ka-live-chat--dark .ka-live-chat__field textarea:focus,
.ka-live-chat--dark .ka-live-chat__input textarea:focus,
.ka-live-chat--dark .ka-live-chat__contact-form textarea:focus {
    border-color: var(--ka-chat-btn-color);
    background: #2c2c2e;
}

.ka-live-chat--dark .ka-live-chat__field label {
    color: #a1a1a6;
}

.ka-live-chat--dark .ka-live-chat__input {
    border-top-color: #3c3c3e;
    background: #1c1c1e;
}

.ka-live-chat--dark .ka-live-chat__message--welcome {
    background: #2c2c2e;
    color: #f5f5f7;
}

.ka-live-chat--dark .ka-live-chat__success p {
    color: #f5f5f7;
}

.ka-live-chat--dark .ka-live-chat__typing {
    background: #2c2c2e;
}

.ka-live-chat--dark .ka-live-chat__typing-dot {
    background: #6e6e73;
}