/* ==========================================================================
   GChat - Main Layout and Component Styles (AJAX Chat Style)
   ========================================================================== */

:root {
    --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --font-size-base: 14px;
    --border-radius: 6px;
    --transition: 0.15s ease-in-out;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html, body {
    height: 100%;
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    background-color: var(--bg-body);
    color: var(--text-main);
    overflow: hidden;
}

/* ==========================================================================
   Auth Screen (Guest / Login / Register Modal)
   ========================================================================== */

#auth-container {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 20px;
    background: var(--bg-body);
}

.auth-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    width: 100%;
    max-width: 440px;
    padding: 28px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.15);
}

.auth-header {
    text-align: center;
    margin-bottom: 24px;
}

.auth-header h1 {
    font-size: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    color: var(--primary);
}

.auth-header p {
    font-size: 13px;
    color: var(--text-muted);
    margin-top: 6px;
}

.auth-tabs {
    display: flex;
    border-bottom: 2px solid var(--border-color);
    margin-bottom: 20px;
}

.auth-tab-btn {
    flex: 1;
    background: none;
    border: none;
    padding: 10px 6px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-muted);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    transition: var(--transition);
}

.auth-tab-btn:hover {
    color: var(--primary);
}

.auth-tab-btn.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
}

.auth-tab-panel {
    display: none;
}

.auth-tab-panel.active {
    display: block;
}

.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 6px;
    color: var(--text-muted);
}

.form-input, .form-select {
    width: 100%;
    padding: 10px 12px;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    background: var(--input-bg);
    color: var(--input-text);
    font-size: 14px;
    outline: none;
    transition: var(--transition);
}

.form-input:focus, .form-select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-glow);
}

.auth-btn-primary {
    width: 100%;
    padding: 12px;
    border: none;
    border-radius: var(--border-radius);
    background: var(--primary);
    color: #ffffff;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.form-row-2 {
    display: flex;
    gap: 12px;
}
.form-row-2 .form-group {
    flex: 1;
}

.file-input-compact {
    padding: 6px 8px !important;
    font-size: 12px !important;
}

.code-input-large {
    font-size: 24px !important;
    font-weight: 800 !important;
    letter-spacing: 8px !important;
    text-align: center !important;
    font-family: monospace !important;
    color: var(--primary) !important;
    background: var(--input-bg) !important;
}

.auth-extra-links {
    margin-top: 14px;
    text-align: center;
    font-size: 13px;
}
.auth-extra-links a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 500;
}
.auth-extra-links a:hover {
    text-decoration: underline;
}

.verify-icon-banner {
    font-size: 42px;
    text-align: center;
    margin-bottom: 8px;
}

.verify-title {
    font-size: 20px;
    font-weight: 700;
    text-align: center;
    color: var(--primary);
    margin-bottom: 8px;
}

.verify-desc {
    font-size: 13px;
    text-align: center;
    color: var(--text-muted);
    margin-bottom: 20px;
    line-height: 1.5;
}

.dev-code-alert {
    padding: 10px 14px;
    margin-bottom: 16px;
    background: #ecfdf5;
    border: 1px solid #10b981;
    color: #065f46;
    border-radius: var(--border-radius);
    font-size: 13px;
    text-align: center;
}

.auth-verify-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-top: 16px;
    font-size: 13px;
    color: var(--text-muted);
}

.auth-link-btn {
    background: none;
    border: none;
    color: var(--primary);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    padding: 0;
}
.auth-link-btn:hover {
    text-decoration: underline;
}

.auth-error-alert {
    display: none;
    padding: 10px 14px;
    margin-bottom: 16px;
    background: #fee2e2;
    border: 1px solid #ef4444;
    color: #991b1b;
    border-radius: var(--border-radius);
    font-size: 13px;
    text-align: center;
}

.auth-success-alert {
    display: none;
    padding: 10px 14px;
    margin-bottom: 16px;
    background: #ecfdf5;
    border: 1px solid #10b981;
    color: #065f46;
    border-radius: var(--border-radius);
    font-size: 13px;
    text-align: center;
}

/* ==========================================================================
   Main Chat Container Layout
   ========================================================================== */

#chat-app-container {
    display: flex;
    flex-direction: column;
    height: 100vh;
    width: 100vw;
    background: var(--bg-body);
}

/* Font Size Scales */
#chat-app-container.font-small {
    --font-size-base: 12px;
}
#chat-app-container.font-medium {
    --font-size-base: 14px;
}
#chat-app-container.font-large {
    --font-size-base: 16px;
}

/* Header */
.chat-header {
    height: 52px;
    background: var(--bg-header);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 16px;
    flex-shrink: 0;
    gap: 12px;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.chat-logo-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--primary);
    display: flex;
    align-items: center;
    gap: 6px;
    white-space: nowrap;
}

.channel-selector-wrapper {
    display: flex;
    align-items: center;
    gap: 6px;
}

.channel-select {
    padding: 6px 12px;
    background: var(--input-bg);
    color: var(--input-text);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 13px;
    font-weight: 600;
    outline: none;
    cursor: pointer;
}

.btn-icon-action {
    background: var(--btn-secondary-bg);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    padding: 6px 10px;
    border-radius: var(--border-radius);
    font-size: 13px;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
}

.btn-icon-action:hover {
    background: var(--btn-secondary-hover);
}

.btn-icon-action.active {
    background: var(--primary);
    color: #ffffff;
    border-color: var(--primary);
}

.header-center {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    padding: 0 10px;
    font-size: 13px;
    color: var(--text-muted);
}

.header-center strong {
    color: var(--text-main);
    margin-right: 4px;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 8px;
}

.user-status-pill {
    display: flex;
    align-items: center;
    gap: 6px;
    background: var(--btn-secondary-bg);
    border: 1px solid var(--border-color);
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 500;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
}
.status-dot.status-online { background-color: #10b981; }
.status-dot.status-away { background-color: #f59e0b; }
.status-dot.status-busy { background-color: #ef4444; }
.status-dot.status-offline { background-color: #9ca3af; }

.header-select {
    padding: 4px 8px;
    background: var(--input-bg);
    color: var(--input-text);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 12px;
    outline: none;
    cursor: pointer;
}

/* ==========================================================================
   Chat Main Body (Messages + Sidebar)
   ========================================================================== */

.chat-body-wrapper {
    flex: 1;
    display: flex;
    overflow: hidden;
    position: relative;
}

/* Message Log Container */
#chat-messages-container {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    padding: 14px 16px;
    display: flex;
    flex-direction: column;
    background: var(--bg-messages);
    scroll-behavior: smooth;
}

#chat-messages-container.drag-hover {
    background-color: var(--primary-glow);
    border: 2px dashed var(--primary);
}

#chat-messages-list {
    display: flex;
    flex-direction: column;
    gap: 6px;
    min-height: min-content;
}

.chat-loading-history, .no-users, .chat-loading {
    text-align: center;
    padding: 20px;
    color: var(--text-muted);
    font-size: 13px;
    font-style: italic;
}

/* Message Rows */
.chat-message-row {
    padding: 4px 8px;
    border-radius: 4px;
    line-height: 1.5;
    word-break: break-word;
    transition: background 0.1s;
}

.chat-message-row:hover {
    background: var(--msg-hover-bg);
}

.msg-time {
    font-size: 11px;
    color: var(--text-muted);
    margin-right: 6px;
    font-family: monospace;
    user-select: none;
}

.msg-author-wrap {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    margin-right: 6px;
}

.msg-author {
    cursor: pointer;
    font-weight: 600;
}

.msg-author:hover {
    text-decoration: underline;
}

.role-tag {
    font-size: 9px;
    font-weight: 700;
    text-transform: uppercase;
    padding: 1px 5px;
    border-radius: 3px;
    letter-spacing: 0.3px;
}

.role-admin { background: #fee2e2; color: #dc2626; border: 1px solid #fca5a5; }
.role-moderator { background: #e0e7ff; color: #4338ca; border: 1px solid #a5b4fc; }
.role-bot { background: #f3e8ff; color: #7e22ce; border: 1px solid #d8b4fe; }
.role-user { display: none; }
.role-guest { background: #f3f4f6; color: #4b5563; border: 1px solid #e5e7eb; }

/* Special Message Types */
.msg-type-whisper {
    background: var(--whisper-bg) !important;
    border-left: 3px solid var(--whisper-border);
    padding-left: 10px;
}

.whisper-label {
    font-weight: 600;
    color: var(--whisper-text);
    margin-right: 6px;
}

.msg-type-action {
    font-style: italic;
    color: var(--action-text);
}

.msg-action-star {
    font-weight: bold;
    color: #ec4899;
    margin-right: 4px;
}

.msg-type-announcement {
    background: #fef2f2 !important;
    border: 1px solid #f87171;
    border-radius: 6px;
    padding: 8px 12px;
    margin: 4px 0;
    color: #991b1b;
}

.msg-announcement-box {
    display: inline;
    font-weight: 600;
}

.msg-type-system, .msg-type-info {
    color: var(--system-text);
    font-size: 13px;
}

.msg-type-error {
    color: #ef4444;
    font-size: 13px;
}

/* Mention highlight */
.chat-mention {
    background: var(--mention-bg);
    color: var(--mention-text);
    font-weight: 600;
    padding: 1px 4px;
    border-radius: 3px;
    cursor: pointer;
}

.chat-mention-self {
    background: #fef08a !important;
    color: #854d0e !important;
    font-weight: bold;
    border: 1px solid #facc15;
}

/* Rich media in messages */
.chat-link {
    color: var(--primary);
    text-decoration: none;
}
.chat-link:hover {
    text-decoration: underline;
}

/* Image Card and Actions */
.chat-img-card {
    display: inline-block;
    background: var(--btn-secondary-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 6px;
    margin: 6px 0;
    max-width: 320px;
    box-shadow: 0 2px 6px rgba(0,0,0,0.08);
}

.chat-img-wrapper {
    overflow: hidden;
    border-radius: 6px;
    background: rgba(0,0,0,0.05);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.chat-embed-img {
    max-width: 100%;
    max-height: 240px;
    display: block;
    object-fit: contain;
    transition: transform 0.2s;
    cursor: pointer;
}

.chat-embed-img:hover {
    transform: scale(1.03);
}

.chat-img-actions {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 6px;
    margin-top: 6px;
    padding-top: 4px;
    border-top: 1px solid var(--border-color);
}

.img-action-btn {
    background: var(--input-bg);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    transition: var(--transition);
}

.img-action-btn:hover {
    background: var(--primary);
    color: #ffffff;
    border-color: var(--primary);
}

.chat-img-deleted {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background: var(--btn-secondary-bg);
    border: 1px dashed var(--border-color);
    border-radius: 6px;
    font-size: 12px;
    color: var(--text-muted);
    margin: 4px 0;
}

.chat-img-deleted-icon {
    font-size: 14px;
}

/* Lightbox Modal */
.image-viewer-content {
    max-width: 85vw !important;
    max-height: 90vh !important;
    display: flex;
    flex-direction: column;
    padding: 16px !important;
}

.image-viewer-body {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #09090b;
    border-radius: 8px;
    overflow: hidden;
    margin-bottom: 12px;
    min-height: 200px;
}

.image-viewer-body img {
    max-width: 100%;
    max-height: 68vh;
    object-fit: contain;
    display: block;
}

.image-viewer-footer {
    display: flex;
    justify-content: flex-end;
}

.chat-code-block {
    background: var(--code-bg);
    border: 1px solid var(--border-color);
    padding: 8px 12px;
    border-radius: 6px;
    font-family: monospace;
    font-size: 12px;
    margin: 6px 0;
    overflow-x: auto;
    color: var(--code-text);
}

.chat-inline-code {
    background: var(--code-bg);
    border: 1px solid var(--border-color);
    padding: 1px 5px;
    border-radius: 4px;
    font-family: monospace;
    font-size: 12px;
    color: var(--code-text);
}

.chat-quote {
    border-left: 3px solid var(--primary);
    padding: 4px 10px;
    margin: 4px 0;
    background: var(--quote-bg);
    border-radius: 0 4px 4px 0;
    font-size: 13px;
}

.quote-author {
    display: block;
    font-weight: bold;
    font-size: 11px;
    color: var(--text-muted);
    margin-bottom: 2px;
}

.chat-emoji {
    font-size: 1.25em;
    vertical-align: -0.15em;
    display: inline-block;
}

/* ==========================================================================
   Sidebar (Online Users)
   ========================================================================== */

.chat-sidebar {
    width: 230px;
    background: var(--bg-sidebar);
    border-left: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
}

.sidebar-header {
    padding: 12px 14px;
    font-size: 13px;
    font-weight: 700;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--bg-header);
}

.sidebar-badge {
    background: var(--primary);
    color: #ffffff;
    font-size: 11px;
    padding: 2px 7px;
    border-radius: 12px;
    font-weight: 600;
}

#online-users-list {
    flex: 1;
    overflow-y: auto;
    padding: 8px 6px;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.user-list-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 6px 10px;
    border-radius: 6px;
    cursor: pointer;
    transition: var(--transition);
    font-size: 13px;
}

.user-list-item:hover {
    background: var(--btn-secondary-hover);
}

.user-list-item.in-other-room {
    opacity: 0.65;
}

.user-item-left {
    display: flex;
    align-items: center;
    gap: 8px;
    overflow: hidden;
}

.user-item-name {
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.user-item-role {
    font-size: 13px;
}

/* ==========================================================================
   Bottom Input & Toolbar (Iconic AJAX Chat Style)
   ========================================================================== */

.chat-footer {
    background: var(--bg-footer);
    border-top: 1px solid var(--border-color);
    padding: 10px 16px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex-shrink: 0;
}

.chat-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 6px;
}

.toolbar-left, .toolbar-right {
    display: flex;
    align-items: center;
    gap: 4px;
}

.bbcode-btn, .tool-btn {
    background: var(--btn-secondary-bg);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    padding: 4px 8px;
    border-radius: var(--border-radius);
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 26px;
    height: 26px;
}

.bbcode-btn:hover, .tool-btn:hover {
    background: var(--btn-secondary-hover);
    border-color: var(--primary);
}

.chat-input-row {
    display: flex;
    align-items: center;
    gap: 10px;
    position: relative;
}

.chat-input {
    flex: 1;
    padding: 10px 14px;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    background: var(--input-bg);
    color: var(--input-text);
    font-size: 14px;
    outline: none;
    transition: var(--transition);
}

.chat-input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-glow);
}

.chat-send-btn {
    padding: 10px 20px;
    background: var(--primary);
    color: #ffffff;
    border: none;
    border-radius: var(--border-radius);
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 6px;
    white-space: nowrap;
}

.chat-send-btn:hover {
    background: var(--primary-hover);
}

/* ==========================================================================
   Popovers (Emoticons & Colors)
   ========================================================================== */

.popover-box {
    display: none;
    position: absolute;
    bottom: 50px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 12px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.2);
    z-index: 100;
    max-width: 320px;
}

#emoticon-picker-popover {
    left: 16px;
}

#color-picker-popover {
    left: 100px;
}

.emoticon-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 6px;
    max-height: 200px;
    overflow-y: auto;
}

.emoticon-btn {
    background: none;
    border: 1px solid transparent;
    border-radius: 4px;
    font-size: 20px;
    cursor: pointer;
    padding: 4px;
    transition: var(--transition);
}

.emoticon-btn:hover {
    background: var(--btn-secondary-hover);
    transform: scale(1.15);
}

.color-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
}

.color-swatch-btn {
    width: 28px;
    height: 28px;
    border-radius: 4px;
    border: 2px solid #ffffff;
    box-shadow: 0 1px 3px rgba(0,0,0,0.2);
    cursor: pointer;
    transition: transform 0.1s;
}

.color-swatch-btn:hover {
    transform: scale(1.15);
}

/* ==========================================================================
   Context Menus & Modals
   ========================================================================== */

.custom-context-menu {
    position: absolute;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 8px 0;
    box-shadow: 0 10px 25px rgba(0,0,0,0.25);
    z-index: 1000;
    min-width: 190px;
}

.custom-context-menu .menu-header {
    padding: 6px 12px;
    font-size: 13px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.custom-context-menu hr {
    border: none;
    border-top: 1px solid var(--border-color);
    margin: 4px 0;
}

.custom-context-menu .menu-item {
    width: 100%;
    text-align: left;
    background: none;
    border: none;
    padding: 8px 14px;
    font-size: 13px;
    color: var(--text-main);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: var(--transition);
}

.custom-context-menu .menu-item:hover {
    background: var(--primary);
    color: #ffffff;
}

.custom-context-menu .menu-item.mod-item:hover {
    background: #d97706;
}

.custom-context-menu .menu-item.danger-item:hover {
    background: #dc2626;
}

/* Avatars in Header, Messages, Sidebar and Modals */
.user-avatar-tiny {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    overflow: hidden;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.avatar-img-tiny {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.avatar-initial-tiny {
    width: 100%;
    height: 100%;
    color: #ffffff;
    font-size: 11px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
}

.msg-avatar-thumb {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    object-fit: cover;
    margin-right: 4px;
    vertical-align: middle;
    display: inline-block;
}
.msg-avatar-placeholder {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    color: #ffffff;
    font-size: 10px;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-right: 4px;
    vertical-align: middle;
}

.user-list-avatar {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
}
.user-list-avatar-placeholder {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    color: #ffffff;
    font-size: 11px;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.user-menu-avatar {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--border-color);
}
.user-menu-avatar-placeholder {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    color: #ffffff;
    font-size: 16px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
}
.menu-user-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
    overflow: hidden;
}
.menu-user-name-row {
    display: flex;
    align-items: center;
    gap: 6px;
}
.menu-user-fullname {
    font-size: 11px;
    color: var(--text-muted);
}

.profile-avatar-preview-box {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 18px;
    padding-bottom: 14px;
    border-bottom: 1px solid var(--border-color);
}
.profile-avatar-circle {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    overflow: hidden;
    background: var(--input-bg);
    border: 2px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.profile-avatar-img-big {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.profile-avatar-initial-big {
    width: 100%;
    height: 100%;
    color: #ffffff;
    font-size: 24px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Modals */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0,0,0,0.5);
    backdrop-filter: blur(2px);
    z-index: 1500;
    align-items: center;
    justify-content: center;
    padding: 16px;
}

.modal-overlay.active {
    display: flex !important;
}

.modal-content {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    width: 100%;
    max-width: 520px;
    padding: 24px;
    box-shadow: 0 15px 35px rgba(0,0,0,0.3);
    max-height: 90vh;
    overflow-y: auto;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 18px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 10px;
}

.modal-header h3 {
    font-size: 18px;
    color: var(--primary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.modal-close-btn {
    background: none;
    border: none;
    font-size: 20px;
    color: var(--text-muted);
    cursor: pointer;
}

.modal-close-btn:hover {
    color: var(--text-main);
}

.help-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 10px;
    font-size: 13px;
}

.help-table th, .help-table td {
    padding: 8px 10px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.help-table th {
    background: var(--btn-secondary-bg);
    color: var(--text-muted);
    font-weight: 600;
}

.help-table code {
    background: var(--code-bg);
    color: var(--primary);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 12px;
}

.search-results-box {
    margin-top: 16px;
    max-height: 250px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.search-result-item {
    padding: 8px 10px;
    background: var(--input-bg);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 13px;
}

.search-time {
    font-size: 11px;
    color: var(--text-muted);
    margin-right: 6px;
}

/* ==========================================================================
   Admin Control Panel Styles
   ========================================================================== */

.btn-admin-action {
    background: #dc2626 !important;
    color: #ffffff !important;
    font-weight: 700;
    font-size: 12px;
    padding: 3px 8px;
    border-radius: 4px;
    border: 1px solid #b91c1c;
    transition: all 0.2s ease;
}

.btn-admin-action:hover {
    background: #b91c1c !important;
    transform: translateY(-1px);
    box-shadow: 0 2px 5px rgba(220, 38, 38, 0.3);
}

.modal-admin-content {
    max-width: 1000px !important;
    width: 95% !important;
    max-height: 88vh !important;
    display: flex !important;
    flex-direction: column !important;
    padding: 0 !important;
    overflow: hidden !important;
}

.modal-admin-user-content {
    max-width: 600px !important;
}

.modal-admin-content .modal-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 0;
}

.admin-title-wrap {
    display: flex;
    align-items: center;
}

.admin-title-wrap h3 {
    margin: 0;
    font-size: 18px;
}

.admin-tabs-nav {
    display: flex;
    background: var(--header-bg);
    border-bottom: 1px solid var(--border-color);
    padding: 0 16px;
    gap: 6px;
    overflow-x: auto;
}

.admin-tab-btn {
    background: transparent;
    border: none;
    border-bottom: 3px solid transparent;
    color: var(--text-muted);
    font-size: 13px;
    font-weight: 600;
    padding: 12px 16px;
    cursor: pointer;
    white-space: nowrap;
    transition: all 0.2s ease;
}

.admin-tab-btn:hover {
    color: var(--text-main);
}

.admin-tab-btn.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
}

.admin-tab-content-wrap {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
}

.admin-view-tab {
    display: none;
}

.admin-view-tab.active {
    display: block;
}

/* Admin Stats Cards Grid */
.admin-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 16px;
    margin-bottom: 20px;
}

.admin-stat-card {
    background: var(--btn-secondary-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 16px;
    display: flex;
    align-items: flex-start;
    gap: 14px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

.admin-stat-icon {
    font-size: 28px;
    background: var(--header-bg);
    width: 48px;
    height: 48px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border-color);
    flex-shrink: 0;
}

.admin-stat-info {
    flex: 1;
}

.admin-stat-title {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 4px;
}

.admin-stat-number {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-main);
    line-height: 1.1;
}

.admin-stat-sub {
    font-size: 11px;
    color: var(--text-muted);
    margin-top: 4px;
}

/* Admin Toolbars & Filter Bars */
.admin-toolbar, .admin-filter-bar {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 14px;
}

.admin-toolbar h4 {
    margin: 0;
    font-size: 16px;
    flex: 1;
}

.admin-btn-sm {
    width: auto !important;
    padding: 7px 14px !important;
    font-size: 13px !important;
}

.admin-input-search {
    flex: 1;
    min-width: 200px;
    height: 36px;
}

.admin-select-filter {
    height: 36px;
    padding: 4px 10px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background: var(--input-bg);
    color: var(--input-text);
    font-size: 13px;
}

/* Admin Tables */
.admin-table-responsive {
    overflow-x: auto;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--chat-bg);
}

.admin-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
    text-align: left;
}

.admin-table th {
    background: var(--header-bg);
    color: var(--text-main);
    font-weight: 600;
    padding: 10px 12px;
    border-bottom: 1px solid var(--border-color);
    white-space: nowrap;
}

.admin-table td {
    padding: 10px 12px;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-main);
    vertical-align: middle;
}

.admin-table tbody tr:last-child td {
    border-bottom: none;
}

.admin-table tbody tr:hover {
    background: rgba(0,0,0,0.02);
}

.admin-table-user-cell {
    display: flex;
    align-items: center;
    gap: 8px;
}

.admin-action-btn-group {
    display: flex;
    gap: 4px;
    white-space: nowrap;
}

.admin-action-btn {
    border: 1px solid var(--border-color);
    background: var(--btn-secondary-bg);
    color: var(--text-main);
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 12px;
    cursor: pointer;
    transition: all 0.15s ease;
    display: inline-flex;
    align-items: center;
    gap: 3px;
}

.admin-action-btn:hover {
    background: var(--border-color);
}

.admin-action-btn.btn-danger {
    color: #ef4444;
    border-color: #fca5a5;
}

.admin-action-btn.btn-danger:hover {
    background: #fee2e2;
}

.admin-action-btn.btn-warning {
    color: #d97706;
    border-color: #fde68a;
}

.admin-action-btn.btn-warning:hover {
    background: #fef3c7;
}

.admin-action-btn.btn-success {
    color: #16a34a;
    border-color: #86efac;
}

.admin-action-btn.btn-success:hover {
    background: #dcfce7;
}

/* Admin Image Gallery */
.admin-gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
    gap: 16px;
}

.admin-image-card {
    background: var(--btn-secondary-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.admin-image-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

.admin-image-thumb-box {
    height: 130px;
    background: #1e293b;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    cursor: pointer;
    position: relative;
}

.admin-image-thumb {
    max-width: 100%;
    max-height: 100%;
    object-fit: cover;
    transition: transform 0.2s ease;
}

.admin-image-thumb-box:hover .admin-image-thumb {
    transform: scale(1.05);
}

.admin-image-type-badge {
    position: absolute;
    top: 6px;
    left: 6px;
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    padding: 2px 6px;
    border-radius: 4px;
    background: rgba(0,0,0,0.7);
    color: #fff;
}

.admin-image-details {
    padding: 10px;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 3px;
    font-size: 11px;
    color: var(--text-muted);
}

.admin-image-name {
    font-weight: 600;
    color: var(--text-main);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-size: 12px;
}

.admin-image-actions {
    display: flex;
    border-top: 1px solid var(--border-color);
    padding: 6px 10px;
    background: var(--header-bg);
    justify-content: space-between;
}

.admin-loading-spinner {
    padding: 30px;
    text-align: center;
    color: var(--text-muted);
    font-style: italic;
    grid-column: 1 / -1;
}

/* ==========================================================================
   Responsive Adaptations
   ========================================================================== */

@media (max-width: 768px) {
    .chat-sidebar {
        width: 180px;
    }
    .header-center {
        display: none;
    }
    .bbcode-btn[data-tag="s"],
    .bbcode-btn[data-tag="quote"],
    .bbcode-btn[data-tag="code"] {
        display: none;
    }
    .modal-admin-content {
        max-height: 94vh !important;
        width: 98% !important;
    }
}

@media (max-width: 580px) {
    .chat-sidebar {
        display: none;
    }
    .chat-logo-title span {
        display: none;
    }
    .chat-toolbar {
        overflow-x: auto;
    }
    .admin-stat-card {
        padding: 12px;
    }
}