/* ========================================
   CHAT SYSTEM STYLES
   ======================================== */

/* === Floating Chat Button === */
.chat-float-btn {
    position: fixed;
    bottom: 120px;
    right: 30px;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    font-size: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
    transition: all 0.3s ease;
    z-index: 999;
    border: none;
}

.chat-float-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.6);
}

.chat-float-btn.has-new-messages {
    animation: pulse-chat 2s infinite;
}

@keyframes pulse-chat {

    0%,
    100% {
        transform: scale(1);
        box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
    }

    50% {
        transform: scale(1.05);
        box-shadow: 0 6px 20px rgba(102, 126, 234, 0.8);
    }
}

.chat-notification-badge {
    position: absolute;
    top: -5px;
    right: -5px;
    background: #ef4444;
    color: white;
    border-radius: 50%;
    min-width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: bold;
    border: 2px solid var(--bg-dark);
    animation: badge-bounce 0.5s ease;
}

@keyframes badge-bounce {

    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.2);
    }
}

/* === Chat Modal === */
.gallery-chat-modal .modal-content {
    max-width: 550px;
    width: 95%;
    max-height: min(85vh, calc(100vh - 80px));
    display: flex;
    flex-direction: column;
    padding: 0;
    overflow: hidden;
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.chat-modal-content {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.chat-header {
    padding: 20px 24px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-radius: 16px 16px 0 0;
}

.chat-header h2 {
    margin: 0;
    font-size: 20px;
    font-weight: 700;
    letter-spacing: -0.3px;
}

.chat-header .close {
    color: white;
    opacity: 0.9;
    font-size: 30px;
    padding: 0;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.chat-header .close:hover {
    opacity: 1;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    transform: scale(1.1);
}

/* === Pinned Messages === */
.chat-pinned-container {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.08) 0%, rgba(118, 75, 162, 0.08) 100%);
    border-bottom: 1px solid rgba(102, 126, 234, 0.2);
    max-height: 180px;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.chat-pinned-container.collapsed {
    max-height: 48px;
}

.chat-pinned-header {
    padding: 14px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 700;
    font-size: 13px;
    color: #667eea;
    cursor: pointer;
    user-select: none;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.chat-pinned-toggle {
    background: transparent;
    border: none;
    color: #667eea;
    cursor: pointer;
    padding: 4px;
    transition: transform 0.3s ease;
}

.chat-pinned-container.collapsed .chat-pinned-toggle {
    transform: rotate(-90deg);
}

.chat-pinned-messages {
    padding: 0 24px 16px;
    max-height: 120px;
    overflow-y: auto;
}

/* === Messages Container === */
.chat-messages-container {
    flex: 1;
    overflow-y: auto;
    padding: 12px 16px;
    background: var(--bg-primary);
    min-height: 400px;
    max-height: 500px;
}

.chat-messages {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

/* === Message Bubble === */
.chat-message {
    display: flex;
    flex-direction: column;
    animation: message-slide-in 0.3s ease;
    padding: 6px 0;
    border-bottom: 1px solid rgba(102, 126, 234, 0.05);
}

.chat-message:hover {
    background: rgba(102, 126, 234, 0.02);
}

@keyframes message-slide-in {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.chat-message-content {
    width: 100%;
}

.chat-message-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 6px;
}

.chat-message-name {
    font-weight: 700;
    font-size: 14px;
    color: var(--text-primary);
}

.chat-message-admin-badge {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 3px 10px;
    border-radius: 12px;
    font-size: 10px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    box-shadow: 0 2px 8px rgba(102, 126, 234, 0.3);
}

.chat-message-time {
    font-size: 11px;
    color: var(--text-muted);
    margin-left: auto;
    font-weight: 500;
}

.chat-message-text {
    background: var(--bg-secondary);
    padding: 8px 12px;
    border-radius: 8px;
    font-size: 14px;
    color: var(--text-primary);
    word-wrap: break-word;
    line-height: 1.5;
}

.chat-message.admin .chat-message-text {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.12) 0%, rgba(118, 75, 162, 0.12) 100%);
    border: 1px solid rgba(102, 126, 234, 0.25);
}

.chat-message-actions {
    display: flex;
    gap: 8px;
    margin-top: 8px;
    opacity: 0;
    transition: opacity 0.2s ease;
}

.chat-message:hover .chat-message-actions {
    opacity: 1;
}

.chat-message-action-btn {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 6px 12px;
    border-radius: 14px;
    font-size: 11px;
    cursor: pointer;
    transition: all 0.2s ease;
    font-weight: 600;
}

.chat-message-action-btn:hover {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-color: transparent;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

.chat-message-action-btn.pin-btn {
    font-weight: 700;
}

/* === Typing Indicator === */
.chat-typing-indicator {
    padding: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
    opacity: 0.7;
    animation: fade-in 0.3s ease;
}

@keyframes fade-in {
    from {
        opacity: 0;
    }

    to {
        opacity: 0.7;
    }
}

.typing-dots {
    display: flex;
    gap: 4px;
    padding: 8px;
    background: var(--bg-secondary);
    border-radius: 12px;
}

.typing-dots span {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--text-muted);
    animation: typing-bounce 1.4s infinite;
}

.typing-dots span:nth-child(1) {
    animation-delay: 0s;
}

.typing-dots span:nth-child(2) {
    animation-delay: 0.2s;
}

.typing-dots span:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes typing-bounce {

    0%,
    60%,
    100% {
        transform: translateY(0);
    }

    30% {
        transform: translateY(-8px);
    }
}

#chatTypingText {
    font-size: 13px;
    color: var(--text-muted);
    font-style: italic;
}

/* === Input Area === */
.chat-input-area {
    padding: 20px 24px;
    background: linear-gradient(to bottom, var(--bg-secondary), var(--bg-card));
    border-top: 2px solid rgba(102, 126, 234, 0.15);
}

.chat-input-name-container {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
    position: relative;
}

.chat-input-name-container.read-only .chat-name-input {
    background: var(--bg-secondary);
    cursor: default;
}

.chat-name-input {
    flex: 1;
    padding: 12px 16px;
    border: 2px solid transparent;
    border-radius: 10px;
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 14px;
    font-weight: 500;
    transition: all 0.2s ease;
}

.chat-input-name-container:not(.read-only) .chat-name-input {
    border-color: var(--border-color);
}

.chat-name-input:focus {
    outline: none;
    border-color: #667eea !important;
    box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.1);
    background: var(--bg-primary);
}

.chat-input-name-container.read-only .chat-name-input {
    background: transparent;
    cursor: default;
    border-color: transparent;
}

.chat-name-color-indicator {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    border: 2px solid var(--border-color);
    background: #667eea;
    flex-shrink: 0;
}

.chat-color-btn {
    width: 44px;
    height: 44px;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    background: var(--bg-secondary);
    font-size: 20px;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
}

.chat-color-btn:hover {
    border-color: #667eea;
    transform: scale(1.05);
    background: var(--bg-primary);
}

.chat-color-btn.active {
    border-color: #667eea;
    background: rgba(102, 126, 234, 0.1);
}

.chat-color-palette {
    display: flex;
    gap: 6px;
    padding: 4px;
    background: var(--bg-secondary);
    border-radius: 10px;
    border: 2px solid var(--border-color);
    position: absolute;
    top: 50px;
    left: 0;
    z-index: 10;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.color-option {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.2s ease;
    border: 2px solid transparent;
}

.color-option:hover {
    transform: scale(1.2);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.color-option.selected {
    border: 2px solid white;
    box-shadow: 0 0 0 2px var(--primary-color);
    transform: scale(1.1);
}

.chat-name-edit-btn {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    padding: 10px 18px;
    border-radius: 10px;
    cursor: pointer;
    font-size: 13px;
    font-weight: 700;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.chat-name-edit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(102, 126, 234, 0.4);
}

.chat-name-edit-btn.confirm-mode {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
}

.chat-name-edit-btn.confirm-mode:hover {
    box-shadow: 0 6px 16px rgba(16, 185, 129, 0.4);
}

.chat-name-saved {
    color: #10b981;
    font-size: 20px;
    animation: check-bounce 0.5s ease;
}

@keyframes check-bounce {

    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.3);
    }
}

.chat-input-message-container {
    position: relative;
}

.chat-message-input {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 14px;
    resize: none;
    font-family: inherit;
    transition: all 0.2s ease;
    max-height: 120px;
    line-height: 1.5;
}

.chat-message-input:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.1);
}

.chat-input-toolbar {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 10px;
    justify-content: flex-end;
}

.chat-emoji-btn {
    background: var(--bg-primary);
    border: 2px solid var(--border-color);
    color: var(--text-primary);
    padding: 8px 14px;
    border-radius: 10px;
    font-size: 18px;
    cursor: pointer;
    transition: all 0.2s ease;
    position: relative;
}

.chat-emoji-btn:hover {
    background: var(--bg-secondary);
    transform: scale(1.1);
    border-color: #667eea;
}

/* === Emoji Picker === */
.chat-emoji-picker {
    position: absolute;
    bottom: 100%;
    right: 0;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    max-width: 320px;
    max-height: 240px;
    overflow-y: auto;
    z-index: 10;
    margin-bottom: 10px;
}

.chat-emoji-grid {
    display: grid;
    grid-template-columns: repeat(8, 1fr);
    gap: 6px;
}

.chat-emoji-item {
    font-size: 24px;
    cursor: pointer;
    padding: 6px;
    border-radius: 6px;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.chat-emoji-item:hover {
    background: var(--bg-secondary);
    transform: scale(1.2);
}

.chat-char-count {
    font-size: 12px;
    color: var(--text-muted);
}

.chat-char-count.limit-warning {
    color: #f59e0b;
}

.chat-char-count.limit-exceeded {
    color: #ef4444;
    font-weight: 600;
}

.chat-send-btn {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    padding: 12px 20px;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.25);
}

.chat-send-btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(102, 126, 234, 0.5);
}

.chat-send-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* === Scrollbar Styling === */
.chat-messages-container::-webkit-scrollbar,
.chat-pinned-messages::-webkit-scrollbar,
.chat-emoji-picker::-webkit-scrollbar {
    width: 6px;
}

.chat-messages-container::-webkit-scrollbar-track,
.chat-pinned-messages::-webkit-scrollbar-track,
.chat-emoji-picker::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

.chat-messages-container::-webkit-scrollbar-thumb,
.chat-pinned-messages::-webkit-scrollbar-thumb,
.chat-emoji-picker::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 3px;
}

.chat-messages-container::-webkit-scrollbar-thumb:hover,
.chat-pinned-messages::-webkit-scrollbar-thumb:hover,
.chat-emoji-picker::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* === Mobile Responsive === */
@media (max-width: 640px) {
    .chat-float-btn {
        bottom: 100px;
        right: 20px;
        width: 56px;
        height: 56px;
        font-size: 24px;
    }

    .gallery-chat-modal .modal-content {
        max-width: 100%;
        width: 100%;
        max-height: min(100vh, calc(100dvh - 60px));
        height: 100vh;
        margin: 0;
        border-radius: 0;
    }

    .chat-header {
        padding: 16px 20px;
        border-radius: 0;
    }

    .chat-header h2 {
        font-size: 18px;
    }

    .chat-header .close {
        font-size: 28px;
        width: 32px;
        height: 32px;
    }

    .chat-messages-container {
        max-height: calc(100vh - 380px);
        min-height: 200px;
        padding: 16px;
    }

    .chat-messages {
        gap: 14px;
    }

    .chat-message {
        gap: 10px;
        padding: 2px;
    }

    .chat-message-avatar {
        width: 36px;
        height: 36px;
        font-size: 14px;
    }

    .chat-message-text {
        padding: 10px 14px;
        font-size: 14px;
    }

    .chat-input-area {
        padding: 16px;
    }

    .chat-name-input,
    .chat-message-input {
        padding: 10px 14px;
        font-size: 14px;
    }

    .chat-name-edit-btn {
        padding: 10px 14px;
        font-size: 12px;
    }

    .chat-input-toolbar {
        gap: 10px;
        margin-top: 8px;
    }

    .chat-emoji-btn {
        padding: 8px 12px;
        font-size: 16px;
    }

    .chat-emoji-grid {
        grid-template-columns: repeat(6, 1fr);
        gap: 4px;
    }

    .chat-emoji-item {
        font-size: 20px;
        padding: 4px;
    }

    .chat-send-btn {
        padding: 10px 16px;
    }

    .chat-pinned-header {
        padding: 12px 16px;
        font-size: 12px;
    }

    .chat-pinned-messages {
        padding: 0 16px 12px;
    }

    .chat-message-actions {
        margin-top: 6px;
    }

    .chat-message-action-btn {
        padding: 5px 10px;
        font-size: 10px;
    }
}

/* === Tablet Responsive === */
@media (min-width: 641px) and (max-width: 1024px) {
    .gallery-chat-modal .modal-content {
        max-width: 600px;
    }

    .chat-messages-container {
        max-height: 400px;
    }
}

/* === Extra Small Screens === */
@media (max-width: 400px) {
    .chat-float-btn {
        bottom: 90px;
        right: 16px;
        width: 52px;
        height: 52px;
        font-size: 22px;
    }

    .chat-notification-badge {
        min-width: 20px;
        height: 20px;
        font-size: 11px;
        top: -4px;
        right: -4px;
    }

    .gallery-chat-modal .modal-content {
        width: 100%;
        max-width: 100%;
    }

    .chat-header {
        padding: 14px 16px;
    }

    .chat-header h2 {
        font-size: 16px;
    }

    .chat-header .close {
        font-size: 26px;
        width: 30px;
        height: 30px;
    }

    .chat-input-area {
        padding: 14px 12px;
    }

    .chat-name-input,
    .chat-message-input {
        padding: 9px 12px;
        font-size: 13px;
    }

    .chat-name-edit-btn {
        padding: 9px 12px;
        font-size: 11px;
    }

    .chat-send-btn {
        padding: 9px 14px;
    }

    .chat-color-btn {
        width: 40px;
        height: 40px;
        font-size: 18px;
    }
}

/* === Dark Mode Support === */
html[data-theme="dark"] .chat-float-btn {
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.6);
}

html[data-theme="dark"] .chat-notification-badge {
    border-color: var(--bg-primary);
}