/**
 * SC Events Chat Widget Styles
 * Real-time chat system - Dark Premium Theme
 *
 * @version 2.0.0
 */

/* CSS Variables - Dark Theme */
:root {
    --sc-chat-bg: #1a1a2e;
    --sc-chat-surface: #16213e;
    --sc-chat-text: #e2e8f0;
    --sc-chat-text-light: #94a3b8;
    --sc-chat-border: rgba(255, 255, 255, 0.08);
    --sc-chat-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
    --sc-chat-radius: 16px;
    --sc-chat-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --sc-chat-input-bg: rgba(255, 255, 255, 0.05);
    --sc-chat-input-focus: rgba(255, 255, 255, 0.08);
}

/* Container */
#sc-chat-container {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 14px;
    line-height: 1.5;
    z-index: 999999;
}

/* ============================================
   CHAT TOGGLE BUTTON
   ============================================ */
.sc-chat-toggle {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--sc-gradient-primary, linear-gradient(135deg, var(--primary-color) 0%, var(--primary-color2) 100%));
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
    z-index: 999999;
    transition: var(--sc-chat-transition);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
}

.sc-chat-toggle:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 30px rgba(0, 0, 0, 0.5);
}

.sc-chat-toggle.active {
    transform: scale(0.95);
}

.sc-chat-toggle .sc-chat-icon {
    width: 28px;
    height: 28px;
    color: white;
}

.sc-chat-badge {
    position: absolute;
    top: -4px;
    right: -4px;
    min-width: 22px;
    height: 22px;
    background: #ef4444;
    color: white;
    border-radius: 50%;
    font-size: 11px;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 5px;
    box-shadow: 0 2px 8px rgba(239, 68, 68, 0.4);
    animation: sc-chat-pulse 2s infinite;
}

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

/* ============================================
   CHAT WINDOW
   ============================================ */
.sc-chat-window {
    position: fixed;
    bottom: 100px;
    right: 24px;
    width: 380px;
    max-width: calc(100vw - 48px);
    height: 520px;
    max-height: calc(100vh - 140px);
    background: var(--sc-chat-bg);
    border-radius: var(--sc-chat-radius);
    box-shadow: var(--sc-chat-shadow);
    border: 1px solid var(--sc-chat-border);
    z-index: 999998;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    animation: sc-chat-slideUp 0.3s ease-out;
}

@keyframes sc-chat-slideUp {
    from {
        opacity: 0;
        transform: translateY(20px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* ============================================
   CHAT HEADER
   ============================================ */
.sc-chat-header {
    background: var(--sc-gradient-primary, linear-gradient(135deg, var(--primary-color) 0%, var(--primary-color2) 100%));
    color: white;
    padding: 16px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-shrink: 0;
}

.sc-chat-header-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.sc-chat-title {
    font-weight: 600;
    font-size: 15px;
}

.sc-chat-status {
    font-size: 12px;
    opacity: 0.9;
    display: flex;
    align-items: center;
    gap: 6px;
}

.sc-chat-status-dot {
    width: 8px;
    height: 8px;
    background: #10b981;
    border-radius: 50%;
    box-shadow: 0 0 0 2px rgba(16, 185, 129, 0.3);
    animation: sc-chat-online 2s infinite;
}

@keyframes sc-chat-online {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}

.sc-chat-minimize {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.2);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--sc-chat-transition);
    padding: 0;
}

.sc-chat-minimize:hover {
    background: rgba(255, 255, 255, 0.3);
}

.sc-chat-minimize svg {
    width: 18px;
    height: 18px;
    color: white;
}

/* ============================================
   START FORM
   ============================================ */
.sc-chat-start-form {
    flex: 1;
    padding: 24px 20px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
    background: var(--sc-chat-bg);
}

.sc-chat-start-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 8px;
    background: var(--sc-gradient-primary, linear-gradient(135deg, var(--primary-color) 0%, var(--primary-color2) 100%));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.sc-chat-start-icon svg {
    width: 30px;
    height: 30px;
    color: white;
}

.sc-chat-start-form h4 {
    margin: 0;
    font-size: 18px;
    font-weight: 600;
    color: var(--sc-chat-text);
    text-align: center;
}

.sc-chat-start-form p {
    margin: 0;
    font-size: 13px;
    color: var(--sc-chat-text-light);
    text-align: center;
}

.sc-chat-form-group {
    display: flex;
    flex-direction: column;
}

.sc-chat-form-group input,
.sc-chat-form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--sc-chat-border);
    border-radius: 10px;
    font-size: 14px;
    font-family: inherit;
    transition: var(--sc-chat-transition);
    background: var(--sc-chat-input-bg);
    color: var(--sc-chat-text);
    box-sizing: border-box;
}

.sc-chat-form-group input::placeholder,
.sc-chat-form-group textarea::placeholder {
    color: var(--sc-chat-text-light);
}

.sc-chat-form-group input:focus,
.sc-chat-form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    background: var(--sc-chat-input-focus);
    box-shadow: 0 0 0 3px rgba(var(--primary-color-rgb, 102, 126, 234), 0.15);
}

.sc-chat-form-group input[readonly] {
    background: rgba(255, 255, 255, 0.03) !important;
    color: var(--sc-chat-text-light);
    cursor: not-allowed;
}

.sc-chat-form-group textarea {
    resize: none;
    min-height: 80px;
}

.sc-chat-btn {
    width: 100%;
    padding: 14px 24px;
    background: var(--sc-gradient-primary, linear-gradient(135deg, var(--primary-color) 0%, var(--primary-color2) 100%));
    color: white;
    border: none;
    border-radius: 10px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--sc-chat-transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.sc-chat-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.sc-chat-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

.sc-chat-btn svg {
    width: 18px;
    height: 18px;
}

/* ============================================
   MESSAGES AREA
   ============================================ */
.sc-chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    background: var(--sc-chat-surface);
}

.sc-chat-messages::-webkit-scrollbar {
    width: 6px;
}

.sc-chat-messages::-webkit-scrollbar-track {
    background: transparent;
}

.sc-chat-messages::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
}

.sc-chat-messages::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* ============================================
   MESSAGE BUBBLES
   ============================================ */
.sc-chat-message {
    max-width: 80%;
    animation: sc-chat-fadeIn 0.3s ease-out;
}

@keyframes sc-chat-fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.sc-chat-message.visitor {
    align-self: flex-end;
}

.sc-chat-message.organizer {
    align-self: flex-start;
}

.sc-chat-message-content {
    padding: 12px 16px;
    border-radius: 16px;
    font-size: 14px;
    line-height: 1.5;
    word-wrap: break-word;
}

.sc-chat-message.visitor .sc-chat-message-content {
    background: var(--sc-gradient-primary, linear-gradient(135deg, var(--primary-color) 0%, var(--primary-color2) 100%));
    color: white;
    border-bottom-right-radius: 4px;
}

.sc-chat-message.organizer .sc-chat-message-content {
    background: rgba(255, 255, 255, 0.08);
    color: var(--sc-chat-text);
    border: 1px solid var(--sc-chat-border);
    border-bottom-left-radius: 4px;
}

.sc-chat-message-time {
    display: block;
    font-size: 10px;
    margin-top: 4px;
    opacity: 0.6;
}

.sc-chat-message.visitor .sc-chat-message-time {
    text-align: right;
    color: var(--sc-chat-text-light);
}

.sc-chat-message.organizer .sc-chat-message-time {
    text-align: left;
    color: var(--sc-chat-text-light);
}

/* Pending Message */
.sc-chat-message.pending .sc-chat-message-content {
    opacity: 0.7;
}

.sc-chat-message.pending .sc-chat-message-time {
    color: var(--sc-chat-text-light);
    font-style: italic;
}

/* Failed Message */
.sc-chat-message.failed .sc-chat-message-content {
    background: rgba(239, 68, 68, 0.15) !important;
    color: #fca5a5 !important;
    border: 1px solid rgba(239, 68, 68, 0.3) !important;
}

.sc-chat-message.failed .sc-chat-message-time {
    color: #ef4444;
    cursor: pointer;
}

/* Badge Pulse Animation */
.sc-chat-badge.pulse {
    animation: sc-badge-pulse 0.5s ease-out;
}

@keyframes sc-badge-pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.3); }
    100% { transform: scale(1); }
}

/* ============================================
   TYPING INDICATOR
   ============================================ */
.sc-chat-typing {
    padding: 12px 16px;
    display: flex;
    gap: 4px;
    align-items: center;
    background: var(--sc-chat-surface);
}

.sc-chat-typing span {
    width: 8px;
    height: 8px;
    background: var(--primary-color);
    border-radius: 50%;
    animation: sc-chat-typing 1.4s infinite ease-in-out both;
}

.sc-chat-typing span:nth-child(1) { animation-delay: -0.32s; }
.sc-chat-typing span:nth-child(2) { animation-delay: -0.16s; }

@keyframes sc-chat-typing {
    0%, 80%, 100% {
        transform: scale(0.6);
        opacity: 0.6;
    }
    40% {
        transform: scale(1);
        opacity: 1;
    }
}

/* ============================================
   INPUT AREA
   ============================================ */
.sc-chat-input-area {
    padding: 12px 16px;
    border-top: 1px solid var(--sc-chat-border);
    display: flex;
    gap: 10px;
    background: var(--sc-chat-bg);
    flex-shrink: 0;
}

.sc-chat-input-area input {
    flex: 1;
    padding: 12px 16px;
    border: 1px solid var(--sc-chat-border);
    border-radius: 24px;
    font-size: 14px;
    font-family: inherit;
    transition: var(--sc-chat-transition);
    background: var(--sc-chat-input-bg);
    color: var(--sc-chat-text);
}

.sc-chat-input-area input::placeholder {
    color: var(--sc-chat-text-light);
}

.sc-chat-input-area input:focus {
    outline: none;
    border-color: var(--primary-color);
    background: var(--sc-chat-input-focus);
}

.sc-chat-input-area button {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--sc-gradient-primary, linear-gradient(135deg, var(--primary-color) 0%, var(--primary-color2) 100%));
    color: white;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--sc-chat-transition);
    flex-shrink: 0;
    padding: 0;
}

.sc-chat-input-area button:hover {
    transform: scale(1.1);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.sc-chat-input-area button svg {
    width: 18px;
    height: 18px;
}

/* ============================================
   POWERED BY
   ============================================ */
.sc-chat-powered {
    padding: 8px;
    text-align: center;
    font-size: 10px;
    color: var(--sc-chat-text-light);
    background: var(--sc-chat-bg);
    border-top: 1px solid var(--sc-chat-border);
    flex-shrink: 0;
}

/* ============================================
   TOAST NOTIFICATION
   ============================================ */
.sc-chat-toast {
    position: absolute;
    bottom: 80px;
    left: 16px;
    right: 16px;
    padding: 12px 16px;
    background: #ef4444;
    color: white;
    border-radius: 8px;
    font-size: 13px;
    text-align: center;
    transform: translateY(20px);
    opacity: 0;
    transition: var(--sc-chat-transition);
    z-index: 10;
}

.sc-chat-toast.show {
    transform: translateY(0);
    opacity: 1;
}

.sc-chat-toast.error {
    background: rgba(239, 68, 68, 0.9);
}

.sc-chat-toast.success {
    background: rgba(16, 185, 129, 0.9);
}

/* ============================================
   ATTACH & CLOSE BUTTONS
   ============================================ */
.sc-chat-attach-btn,
.sc-chat-close-conv-btn {
    width: 36px !important;
    height: 36px !important;
    background: rgba(255, 255, 255, 0.08) !important;
    color: var(--sc-chat-text-light) !important;
    border-radius: 50% !important;
}

.sc-chat-attach-btn:hover {
    background: var(--primary-color) !important;
    color: white !important;
}

.sc-chat-close-conv-btn {
    background: rgba(239, 68, 68, 0.15) !important;
    color: #ef4444 !important;
}

.sc-chat-close-conv-btn:hover {
    background: #ef4444 !important;
    color: white !important;
}

.sc-chat-attach-btn svg,
.sc-chat-close-conv-btn svg {
    width: 16px;
    height: 16px;
}

/* ============================================
   CLOSED NOTICE
   ============================================ */
.sc-chat-closed-notice {
    padding: 12px 16px;
    background: var(--sc-chat-bg);
    border-top: 1px solid var(--sc-chat-border);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    color: var(--sc-chat-text-light);
    font-size: 13px;
}

.sc-chat-closed-info {
    display: flex;
    align-items: center;
    gap: 8px;
}

.sc-chat-closed-info svg {
    width: 18px;
    height: 18px;
    color: var(--sc-chat-text-light);
}

.sc-chat-reopen-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.sc-chat-reopen-btn:hover {
    background: var(--primary-color2);
    transform: translateY(-1px);
}

.sc-chat-reopen-btn svg {
    width: 16px;
    height: 16px;
}

/* ============================================
   SYSTEM MESSAGES
   ============================================ */
.sc-chat-message.system {
    align-self: center;
    max-width: 90%;
}

.sc-chat-message.system .sc-chat-message-content,
.sc-chat-message.system .sc-chat-message-content.system-message {
    background: rgba(255, 255, 255, 0.05);
    color: var(--sc-chat-text-light);
    font-size: 12px;
    text-align: center;
    padding: 8px 16px;
    border-radius: 20px;
    border: 1px solid var(--sc-chat-border);
}

/* Messages without visitor/organizer class (system-like) */
.sc-chat-message:not(.visitor):not(.organizer):not(.system) {
    align-self: center;
    max-width: 90%;
}

.sc-chat-message:not(.visitor):not(.organizer):not(.system) .sc-chat-message-content {
    background: rgba(255, 255, 255, 0.05);
    color: var(--sc-chat-text-light);
    font-size: 12px;
    text-align: center;
    padding: 8px 16px;
    border-radius: 20px;
    border: 1px solid var(--sc-chat-border);
}

/* ============================================
   IMAGE MESSAGES
   ============================================ */
.sc-chat-image-message {
    padding: 4px !important;
    background: transparent !important;
    box-shadow: none !important;
    border: none !important;
}

.sc-chat-image-message a {
    display: block;
}

.sc-chat-image-message img {
    max-width: 200px;
    max-height: 200px;
    border-radius: 12px;
    cursor: pointer;
    transition: transform 0.2s;
}

.sc-chat-image-message img:hover {
    transform: scale(1.02);
}

/* ============================================
   FILE MESSAGES
   ============================================ */
.sc-chat-file-message {
    display: flex;
    align-items: center;
    gap: 10px;
}

.sc-chat-file-message a {
    display: flex;
    align-items: center;
    gap: 8px;
    color: inherit;
    text-decoration: none;
    font-size: 13px;
}

.sc-chat-file-message svg {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
}

.sc-chat-message.visitor .sc-chat-file-message a {
    color: white;
}

.sc-chat-message.organizer .sc-chat-file-message a {
    color: var(--primary-color);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 480px) {
    .sc-chat-toggle {
        bottom: 16px;
        right: 16px;
        width: 56px;
        height: 56px;
    }

    .sc-chat-window {
        bottom: 0;
        right: 0;
        left: 0;
        width: 100%;
        max-width: 100%;
        height: calc(100vh - 60px);
        max-height: calc(100vh - 60px);
        border-radius: var(--sc-chat-radius) var(--sc-chat-radius) 0 0;
    }

    .sc-chat-start-form {
        padding: 20px 16px;
    }

    .sc-chat-messages {
        padding: 12px;
    }

    .sc-chat-message {
        max-width: 85%;
    }
}

/* ============================================
   RTL SUPPORT
   ============================================ */
[dir="rtl"] .sc-chat-toggle,
.rtl .sc-chat-toggle {
    right: auto;
    left: 24px;
}

[dir="rtl"] .sc-chat-window,
.rtl .sc-chat-window {
    right: auto;
    left: 24px;
}

[dir="rtl"] .sc-chat-badge,
.rtl .sc-chat-badge {
    right: auto;
    left: -4px;
}

[dir="rtl"] .sc-chat-message.visitor,
.rtl .sc-chat-message.visitor {
    align-self: flex-start;
}

[dir="rtl"] .sc-chat-message.organizer,
.rtl .sc-chat-message.organizer {
    align-self: flex-end;
}

[dir="rtl"] .sc-chat-message.visitor .sc-chat-message-content,
.rtl .sc-chat-message.visitor .sc-chat-message-content {
    border-bottom-right-radius: 16px;
    border-bottom-left-radius: 4px;
}

[dir="rtl"] .sc-chat-message.organizer .sc-chat-message-content,
.rtl .sc-chat-message.organizer .sc-chat-message-content {
    border-bottom-left-radius: 16px;
    border-bottom-right-radius: 4px;
}

@media (max-width: 480px) {
    [dir="rtl"] .sc-chat-toggle,
    .rtl .sc-chat-toggle {
        left: 16px;
    }

    [dir="rtl"] .sc-chat-window,
    .rtl .sc-chat-window {
        left: 0;
    }
}

/* ============================================
   LIGHT THEME - Frosted Glass
   ============================================ */
body.sc-light-theme #sc-chat-container {
    --sc-chat-bg: rgba(255, 255, 255, 0.92);
    --sc-chat-surface: rgba(248, 250, 252, 0.95);
    --sc-chat-text: #0f172a;
    --sc-chat-text-light: #64748b;
    --sc-chat-border: rgba(15, 23, 42, 0.08);
    --sc-chat-shadow: 0 10px 40px rgba(15, 23, 42, 0.15), 0 0 0 1px rgba(15, 23, 42, 0.06);
    --sc-chat-input-bg: rgba(15, 23, 42, 0.03);
    --sc-chat-input-focus: rgba(255, 255, 255, 1);
}

body.sc-light-theme .sc-chat-window {
    backdrop-filter: blur(20px) saturate(1.4);
    -webkit-backdrop-filter: blur(20px) saturate(1.4);
}

body.sc-light-theme .sc-chat-messages::-webkit-scrollbar-thumb {
    background: rgba(15, 23, 42, 0.12);
}

body.sc-light-theme .sc-chat-messages::-webkit-scrollbar-thumb:hover {
    background: rgba(15, 23, 42, 0.2);
}

body.sc-light-theme .sc-chat-message.organizer .sc-chat-message-content {
    background: rgba(15, 23, 42, 0.04);
    border-color: rgba(15, 23, 42, 0.08);
    color: #1e293b;
}

body.sc-light-theme .sc-chat-message.system .sc-chat-message-content,
body.sc-light-theme .sc-chat-message.system .sc-chat-message-content.system-message,
body.sc-light-theme .sc-chat-message:not(.visitor):not(.organizer):not(.system) .sc-chat-message-content {
    background: rgba(15, 23, 42, 0.04);
    border-color: rgba(15, 23, 42, 0.06);
    color: #64748b;
}

body.sc-light-theme .sc-chat-form-group input[readonly] {
    background: rgba(15, 23, 42, 0.04) !important;
    color: #94a3b8;
}

body.sc-light-theme .sc-chat-attach-btn,
body.sc-light-theme .sc-chat-close-conv-btn {
    background: rgba(15, 23, 42, 0.05) !important;
    color: #64748b !important;
}

body.sc-light-theme .sc-chat-attach-btn:hover {
    background: var(--primary-color) !important;
    color: white !important;
}

body.sc-light-theme .sc-chat-close-conv-btn {
    background: rgba(239, 68, 68, 0.08) !important;
    color: #ef4444 !important;
}

body.sc-light-theme .sc-chat-btn:hover {
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

body.sc-light-theme .sc-chat-toggle {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

body.sc-light-theme .sc-chat-input-area button:hover {
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
}