/* ==================================================
   APP UTILITIES STYLES
   Section Map:
   1) Enhanced Sidebar + Navbar
   2) Greeting + Input Polish
   3) Dropup + Scrollbar + Animations
   4) Global Polish + Effects
   5) Responsive Tweaks
   ================================================== */

/* Enhanced Import for Modern Typography */


/* === Enhanced Sidebar + Navbar === */
/* ========== ENHANCED SIDEBAR ========== */
.sidebar {
    background: linear-gradient(180deg, var(--sidebar-bg) 0%, rgba(249, 250, 251, 0.98) 100%);
    border-right: 1px solid rgba(0, 0, 0, 0.06);
    box-shadow: 4px 0 24px rgba(0, 0, 0, 0.03);
}

[data-theme="dark"] .sidebar {
    background: linear-gradient(180deg, var(--sidebar-bg) 0%, rgba(26, 26, 26, 0.98) 100%);
    border-right: 1px solid rgba(255, 255, 255, 0.06);
    box-shadow: 4px 0 24px rgba(0, 0, 0, 0.2);
}

.sidebar-items {
    padding: 16px 12px;
    display: flex;
    flex-direction: column;
    gap: 4px;
    flex: 1;
    overflow-y: auto;
}

.sidebar-item-wrapper {
    content-visibility: auto;
    contain-intrinsic-size: 48px 44px;
}

.sidebar-overlay {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.35);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
    z-index: 9996;
}

.sidebar-overlay.is-visible {
    opacity: 1;
    pointer-events: auto;
}

body.sidebar-open .sidebar-overlay {
    opacity: 1;
    pointer-events: auto;
}

body:not(.sidebar-open) .sidebar-overlay {
    opacity: 0;
    pointer-events: none;
}

body.sidebar-open {
    overflow: hidden;
}

@keyframes sidebarContentFade {
    from {
        opacity: 0;
        transform: translateX(-8px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.sidebar:not(.hidden) .sidebar-items,
.sidebar:not(.hidden) .sidebar-sections {
    animation: sidebarContentFade 0.2s ease 0.06s both;
}

/* Clean Enterprise Sidebar Buttons */
.sidebar-but {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 12px;
    padding: 10px 14px;
    border: none;
    border-radius: 8px;
    background: transparent;
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    cursor: pointer;
    transition: all 0.15s ease;
    text-decoration: none;
    outline: none;
}

.sidebar-but:hover {
    background: var(--gray-light);
    color: var(--text-primary);
}

.sidebar-but:active {
    background: var(--border-color);
}

.sidebar-but.active {
    background: var(--red-50);
    color: var(--primary-red);
    font-weight: 600;
}

.sidebar-but .sidebar-but-icon {
    width: 18px;
    height: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    color: inherit;
    transition: color 0.15s ease;
}

.sidebar-but:hover .sidebar-but-icon {
    color: var(--primary-red);
}

/* Clean Enterprise Footer User Info */
.sidebar-footer-userinfo {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    cursor: pointer;
    transition: background 0.15s ease;
}

.sidebar-footer-userinfo:hover {
    background: transparent;
    border-radius: 18px;
}


[data-theme="dark"] .sidebar-footer-userinfo:hover {
    background: transparent;
}

.sidebar-footer-userinfo .user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    overflow: hidden;
    flex-shrink: 0;
}


.sidebar-footer-userinfo .user-details {
    flex: 1;
    min-width: 0;
}

.sidebar-footer-userinfo .user-name {
    font-weight: 600;
    font-size: 14px;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sidebar-footer-userinfo .user-credit-text {
    font-size: 12px;
    color: var(--text-secondary);
    font-weight: 400;
    margin-top: 2px;
}

.sidebar-footer-userinfo .credit-bar-container {
    background: var(--border-color);
    height: 4px;
    border-radius: 4px;
    overflow: hidden;
    margin-top: 6px;
}

.sidebar-footer-userinfo .credit-bar-fill {
    background: var(--primary-red);
    height: 100%;
    border-radius: 4px;
    transition: width 0.3s ease;
}

.sidebar-footer {
    position: relative;
}

.sidebar-user-menu {
    position: absolute;
    left: 12px;
    right: 12px;
    bottom: 72px;
    background: var(--card-bg, #ffffff);
    border: 1px solid var(--border-color);
    border-radius: 14px;
    padding: 6px;
    display: none;
    z-index: 1000005;
    box-shadow: 0 16px 40px rgba(15, 23, 42, 0.18);
}

.sidebar-user-menu.is-visible {
    display: block;
}

.sidebar-user-menu-item {
    width: 100%;
    border: none;
    background: transparent;
    text-align: left;
    padding: 10px 12px;
    border-radius: 10px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 10px;
    transition: background 0.15s ease, color 0.15s ease;
}

.sidebar-user-menu-item:hover {
    background: var(--gray-light);
    color: var(--primary-red);
}

.sidebar-user-menu-item i {
    width: 16px;
    text-align: center;
    font-size: 13px;
    color: var(--text-secondary);
}

.sidebar-user-menu-item:hover i {
    color: var(--primary-red);
}

.sidebar-user-menu-divider {
    height: 1px;
    margin: 6px 8px;
    background: var(--border-color);
}

@media (min-width: 956px) {
    .sidebar.hidden .sidebar-user-menu {
        left: calc(100% + 8px);
        right: auto;
        bottom: 8px;
        width: 200px;
    }
}

[data-theme="dark"] .sidebar-user-menu {
    background: var(--card-bg, #111827);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.5);
}

[data-theme="dark"] .sidebar-user-menu-item:hover {
    background: var(--sidebar-hover);
}


/* === Greeting + Input Polish === */
/* ========== ENHANCED GREETING SECTION ========== */
.empty-greeting {
    text-align: center;
    padding: 48px 24px 32px;
    max-width: 700px;
    margin: 0 auto;
}

/* Emoji wrapper - displays emoji above the text */
.greeting-emoji-wrapper {
    margin-bottom: 16px;
}

.greeting-emoji-wrapper .animated-emoji,
#greeting-emoji {
    font-size: 3.5rem;
    display: inline-block;
    animation: float-bounce 2.5s ease-in-out infinite;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.1));
}

@keyframes float-bounce {

    0%,
    100% {
        transform: translateY(0px) rotate(0deg);
    }

    25% {
        transform: translateY(-10px) rotate(-5deg);
    }

    50% {
        transform: translateY(-15px) rotate(0deg);
    }

    75% {
        transform: translateY(-10px) rotate(5deg);
    }
}

/* Main greeting heading */
.greeting-heading {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: clamp(1.75rem, 5vw, 2.75rem);
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1.2;
    margin: 0 0 12px 0;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: baseline;
    gap: 0.3em;
}

/* Greeting text - simple styling */
.greeting-text {
    color: var(--text-secondary);
    display: inline;
}

/* User name with accent color */
.greeting-name {
    color: var(--primary-red);
    font-weight: 800;
}

.greeting-name::after {
    content: ' !';
    color: var(--text-primary);
}

/* Subtitle */
.greeting-subtitle {
    font-family: 'Inter', sans-serif;
    font-size: 1.1rem;
    font-weight: 400;
    color: var(--text-secondary);
    margin: 0;
    opacity: 0.8;
    animation: fadeInUp 0.5s ease 0.2s both;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 0.8;
        transform: translateY(0);
    }
}

/* Spacer between greeting and chat input */
.greeting-spacer {
    height: 48px;
}

/* Dark mode adjustments for greeting */
[data-theme="dark"] .greeting-text {
    color: var(--text-secondary);
}

[data-theme="dark"] .greeting-name {
    color: var(--primary-red);
}

[data-theme="dark"] .greeting-name::after {
    color: var(--text-primary);
}

[data-theme="dark"] .greeting-subtitle {
    color: var(--text-secondary);
}

[data-theme="dark"] .greeting-emoji-wrapper .animated-emoji,
[data-theme="dark"] #greeting-emoji {
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.3));
}

/* Responsive adjustments */
@media (max-width: 600px) {
    .empty-greeting {
        padding: 32px 16px 24px;
    }

    .greeting-emoji-wrapper .animated-emoji,
    #greeting-emoji {
        font-size: 2.5rem;
    }

    .greeting-heading {
        font-size: 1.5rem;
    }

    .greeting-subtitle {
        font-size: 0.95rem;
    }

    .greeting-spacer {
        height: 20px;
    }
}

.chat-start-container {
    animation: fadeInScale 0.5s cubic-bezier(.4, 0, .2, 1);
}

@keyframes fadeInScale {
    from {
        opacity: 0;
        transform: scale(0.96) translateY(20px);
    }

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


/* === Greeting + Input Polish === */
/* ========== ENTERPRISE CHAT INPUT ========== */
.chat-input-container {
    background: var(--container-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.03), 0 1px 2px rgba(0, 0, 0, 0.02);
    transition: all 0.2s ease;
    padding: 16px 20px;
    margin: 0 auto 5px;
    max-width: 800px;
}

.chat-input-container:focus-within {
    border-color: var(--primary-red);
    box-shadow: 0 0 0 3px rgba(229, 62, 62, 0.1);
}

[data-theme="dark"] .chat-input-container {
    background: var(--container-bg);
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.2), 0 2px 4px -1px rgba(0, 0, 0, 0.1);
}

#message-input {
    font-family: inherit;
    font-size: 0.95rem;
    line-height: 1.5;
    color: var(--text-primary);
    background: transparent;
    border: none;
    resize: none;
    padding: 0;
    min-height: 24px;
    max-height: 200px;
}

#message-input::placeholder {
    color: var(--text-secondary);
    opacity: 0.5;
}

/* Professional icon buttons */
.btn-icon {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    background: transparent;
    color: var(--text-secondary);
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    cursor: pointer;
}

.btn-icon:hover {
    background: var(--gray-light);
    color: var(--primary-red);
}

.btn-icon:active {
    background: var(--border-color);
}

[data-theme="dark"] .btn-icon:hover {
    background: var(--sidebar-hover);
}

/* Primary Send Button */
#send-button.send-btn {
    background: var(--primary-red);
    color: white;
    border-radius: 8px;
    width: 36px;
    height: 36px;
    box-shadow: 0 2px 4px rgba(229, 62, 62, 0.2);
}

#send-button.send-btn:hover {
    background: var(--primary-red-hover);
    transform: none;
    box-shadow: 0 4px 8px rgba(229, 62, 62, 0.3);
}

#send-button.send-btn:active {
    background: var(--primary-red-dark);
}

#send-button.send-btn:disabled {
    background: var(--border-color);
    color: var(--text-secondary);
    box-shadow: none;
    cursor: not-allowed;
}

/* ========== ENHANCED NAVBAR ========== */
/* ========== ENHANCED NAVBAR ========== */
.navbar {
    height: 64px;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 998;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.02);
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: all 0.3s ease;
}

.navbar-left,
.navbar-right {
    display: flex;
    align-items: center;
    gap: 12px;
    flex: 1;
}

.navbar-center {
    display: flex;
    align-items: center;
    justify-content: center;
    flex: 2;
}

.navbar-right {
    justify-content: flex-end;
}

/* Left-align brand/model switcher */
.navbar {
    justify-content: flex-start;
}

.navbar-left {
    flex: 0 0 auto;
}

.navbar-center {
    flex: 0 1 auto;
    justify-content: flex-start;
    margin-left: 8px;
}

.navbar-right {
    margin-left: auto;
    flex: 0 0 auto;
}


.brand-model {
    font-family: 'Inter', sans-serif;
    font-weight: 800;
    font-size: 1.4rem;
    letter-spacing: -0.02em;
    color: #c1121f;
    display: flex;
    align-items: center;
    gap: 6px;
}

.brand-model sup {
    font-size: 11px;
    color: var(--text-secondary);
    font-weight: 600;
    opacity: 0.7;
}

/* ========== ENTERPRISE MESSAGES ========== */
.user-message {
    background: #fba185;
    color: rgb(0, 0, 0);
    border-radius: 12px 12px 2px 12px;
    padding: 12px 16px;
    margin-bottom: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.bot-message {
    color: var(--text-primary);
    padding: 12px 16px;
    margin-bottom: 8px;
}

.message {
    animation: messageSlideIn 0.2s cubic-bezier(.4, 0, .2, 1);
    font-size: 0.95rem;
    line-height: 1.5;
}


@keyframes messageSlideIn {
    from {
        opacity: 0;
        transform: translateY(12px);
    }

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


/* === Dropup + Scrollbar + Animations === */
/* ========== ENHANCED DROPUP MENU ========== */
.dropup-menu {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(0, 0, 0, 0.08);
    border-radius: 16px;
    padding: 8px;
    box-shadow:
        0 12px 48px rgba(0, 0, 0, 0.12),
        0 4px 12px rgba(0, 0, 0, 0.04);
}


[data-theme="dark"] .dropup-menu {
    background: rgba(42, 42, 42, 0.98);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow:
        0 12px 48px rgba(0, 0, 0, 0.4),
        0 4px 12px rgba(0, 0, 0, 0.2);
}

.dropup-menu-item {
    border-radius: 10px;
    padding: 12px 16px;
    font-weight: 500;
    font-family: 'Inter', sans-serif;
}


.dropup-menu-item:hover {
    background: var(--sidebar-hover);
    color: var(--primary-red);
}


/* === Dropup + Scrollbar + Animations === */
/* ========== SMOOTH SCROLLBAR ========== */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary);
}

/* ========== NOTIFICATION BELL ENHANCEMENT ========== */
.notification-btn {
    position: relative;
    width: 40px;
    height: 40px;
    border-radius: 12px;
    background: rgba(249, 250, 251, 0.8);
    border: 1px solid rgba(0, 0, 0, 0.05);
    color: var(--text-secondary);
    transition: all 0.25s ease;
}

.notification-btn:hover {
    background: var(--red-50);
    color: var(--primary-red);
    transform: scale(1.05);
}

.notification-count {
    position: absolute;
    top: -4px;
    right: -4px;
    min-width: 20px;
    height: 20px;
    padding: 0 6px;
    background: linear-gradient(135deg, var(--primary-red) 0%, var(--primary-red-hover) 100%);
    color: white;
    font-size: 11px;
    font-weight: 700;
    border-radius: 10px;
    line-height: 20px;
    box-shadow: 0 2px 8px rgba(229, 62, 62, 0.4);
    animation: notificationPop 0.3s cubic-bezier(.4, 0, .2, 1);
}

@keyframes notificationPop {
    0% {
        transform: scale(0);
    }

    50% {
        transform: scale(1.2);
    }

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

/* ========== FEATURE BADGE ENHANCEMENT ========== */
.feature-badge {
    background: linear-gradient(135deg, var(--primary-red) 0%, var(--primary-red-hover) 100%);
    border-radius: 24px;
    padding: 8px 16px;
    font-size: 13px;
    font-weight: 600;
    box-shadow: 0 4px 16px rgba(229, 62, 62, 0.3);
    transition: all 0.3s cubic-bezier(.4, 0, .2, 1);
}

.feature-badge:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 8px 24px rgba(229, 62, 62, 0.4);
}

/* ========== PULSE ANIMATION FOR ACTIVE ELEMENTS ========== */
@keyframes subtlePulse {

    0%,
    100% {
        box-shadow: 0 0 0 0 rgba(229, 62, 62, 0.2);
    }

    50% {
        box-shadow: 0 0 0 8px rgba(229, 62, 62, 0);
    }
}

/* Active sidebar button state */

/* Sidebar Section Labels */
.sidebar-section-label {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
    padding: 12px 14px 6px;
    margin: 8px 0 0;
    opacity: 0.6;
}

[data-theme="dark"] .sidebar-section-label {
    color: var(--text-secondary);
    opacity: 0.5;
}

/* New Chat Button - Primary CTA */
.sidebar-but.new-chat-btn {
    background: transparent;
    color: var(--text-secondary);
    border: none;
    margin-bottom: 4px;
}

.sidebar-but.new-chat-btn .sidebar-but-icon,
.sidebar-but.new-chat-btn i {
    color: inherit !important;
}

.sidebar-but.new-chat-btn:hover {
    background: var(--gray-light);
}

.sidebar-but.new-chat-btn .sidebar-but-shortcut {
    background: var(--card-bg);
    border-color: var(--border-color);
    color: var(--text-secondary);
}

[data-theme="dark"] .sidebar-but.new-chat-btn {
    background: transparent;
    color: var(--text-secondary);
}


/* === Global Polish + Effects === */
/* ========== GLOBAL POLISH ========== */
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

html,
.app-container,
.main-content {
    overflow-x: hidden;
}

.main-content {
    background: linear-gradient(180deg, var(--bg-color) 0%, rgba(249, 250, 251, 0.5) 100%);
}

[data-theme="dark"] .main-content {
    background: linear-gradient(180deg, var(--bg-color) 0%, rgba(26, 26, 26, 0.95) 100%);
}

/* Smooth page transitions */
.fade-in {
    animation: fadeIn 0.4s cubic-bezier(.4, 0, .2, 1);
}

.slide-up {
    animation: slideUp 0.4s cubic-bezier(.4, 0, .2, 1);
}

/* ========== LOADING OVERLAY ENHANCEMENT ========== */
.app-loading-overlay {
    background: #000;
}

[data-theme="dark"] .app-loading-overlay {
    background: #000;
}

.app-loading-card {
    background: transparent;
    border: none;
    box-shadow: none;
}

.app-loading-title {
    font-family: 'Inter', sans-serif;
    font-weight: 700;
    color: #fff;
    -webkit-text-fill-color: unset;
    background: none;
}

/* ========== PREFERENCE BOX ENHANCEMENT ========== */
.preferencebox-overlay {
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.preferencebox {
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.15);
    border: 1px solid var(--border-color);
}

/* ========== MODAL ENHANCEMENT ========== */
.share-modal-content,
.mindmap-lightbox-content,
#mcqblust-container {
    box-shadow: 0 32px 100px rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
}

/* ========== HOVER LIFT EFFECT ========== */
.chatcard:hover,
.conversation-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12);
}

/* ========== SMOOTH FOCUS STATES ========== */
input:focus,
textarea:focus,
select:focus {
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

/* ========== DROPUP MENU ITEM ICONS ========== */
.dropup-item-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    margin-right: 10px;
    color: var(--primary-red);
    transition: transform 0.2s ease;
}

.dropup-menu

-item:hover .dropup-item-icon {
    transform: scale(1.15);
}

.dropup-item-text {
    flex: 1;
}

/* ========== CHAT BOTTOM ROW LAYOUT ========== */
.chat-bottom-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0px;
    margin-top: 0px;
}

.chat-input-left {
    display: flex;
    gap: 8px;
    align-items: center;
}

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

.dropup {
    position: relative;
}

/* ========== SEND BUTTON SPECIAL STYLING ========== */
.btn-icon.send-btn {
    background: linear-gradient(135deg, var(--primary-red) 0%, var(--primary-red-hover) 100%);
    color: white;
    border: none;
    box-shadow: 0 4px 16px rgba(229, 62, 62, 0.3);
    transition: all 0.25s cubic-bezier(.4, 0, .2, 1);
}

.btn-icon.send-btn:hover {
    transform: scale(1.12) rotate(-5deg);
    box-shadow: 0 6px 24px rgba(229, 62, 62, 0.4);
}

.btn-icon.send-btn:active {
    transform: scale(0.95);
}

.btn-icon.send-btn i {
    transition: transform 0.2s ease;
}

.btn-icon.send-btn:hover i {
    transform: translateX(2px);
}

/* ========== SELECTED FEATURE PLACEHOLDER ========== */
#selected-feature-placeholder {
    display: flex;
    align-items: center;
    gap: 8px;
}

/* ========== ADDITIONAL POLISH ========== */

/* Conversation item hover */
.sidebar-item-wrapper:hover {
    background: linear-gradient(90deg, rgba(229, 62, 62, 0.05) 0%, transparent 100%);
    border-radius: 8px;
}

/* Scrollable chat list enhancement */
.scrollable-chat-list {
    scrollbar-width: thin;
    scrollbar-color: rgba(229, 62, 62, 0.2) transparent;
}

.scrollable-chat-list::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, rgba(229, 62, 62, 0.3) 0%, rgba(229, 62, 62, 0.15) 100%);
    border-radius: 10px;
}

/* Modal overlay enhancement */
.modal,
.litebox-overlay {
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

/* Right sidebar enhancement */
.right-sidebar {
    background: linear-gradient(135deg, var(--right-sidebar-bg) 0%, rgba(255, 255, 255, 0.9) 100%);
    box-shadow: -8px 0 40px rgba(0, 0, 0, 0.08);
}

[data-theme="dark"] .right-sidebar {
    background: linear-gradient(135deg, rgba(30, 30, 30, 0.95) 0%, rgba(42, 42, 42, 0.9) 100%);
    box-shadow: -8px 0 40px rgba(0, 0, 0, 0.3);
}

/* Canvas sidebar enhancement */
.canvas-sidebar .canvas-header {
    background: transparent;
}

/* Error banner enhancement */
.error-banner {
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

/* Trial ended banner enhancement */
.trial-ended-banner {
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

/* Conversation gallery cards */
.conversation-card {
    transition: all 0.3s cubic-bezier(.4, 0, .2, 1);
}

.conversation-card:hover {
    border-color: var(--primary-red);
}


/* === Responsive Tweaks === */
/* ========== RESPONSIVE & MOBILE REFINEMENTS ========== */
@media (max-width: 768px) {
    .chat-area-wrapper .messages-container {
        padding: 20px 16px 32px;
    }

    .chat-input-container {
        margin: 0 0px 0px !important;
        border-radius: 12px;
        padding: 12px 16px;
        max-width: 100%;
    }

    .chat-bottom-row {
        gap: 0px;
    }

    #message-input {
        font-size: 16px;
        /* Prevent zooming on iOS focus */
    }

    .empty-greeting {
        padding: 24px 16px;
    }

    .greeting-heading {
        font-size: 1.5rem;
    }

    #greeting-emoji {
        font-size: 2.5rem;
    }

    /* Fixed mobile navbar styling */
    .navbar {
        height: 56px;
    }

    .sidebar-icon-btn {
        width: 40px;
        height: 40px;
        display: flex;
        align-items: center;
        justify-content: center;
        border: none;
        background: transparent;
        color: var(--text-primary);
        font-size: 1.25rem;
        cursor: pointer;
        border-radius: 50%;
        transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    }

    /* Keep hidden in mobile if sidebar is open */
    .sidebar:not(.hidden)~.main-content #toggleSidebar {
        display: none !important;
    }

    .sidebar-icon-btn:hover {
        background: var(--sidebar-hover);
        color: var(--primary-red);
        transform: scale(1.05);
    }

    .sidebar-icon-btn:active {
        transform: scale(0.95);
    }

    .navbar-right .notification-btn,
    .navbar-right .streak-indicator {
        width: 34px;
        height: 34px;
    }

    .navbar-right .notification-btn img,
    .navbar-right .streak-indicator img {
        width: 20px;
        height: 20px;
    }
}

@media (max-width: 955px) {
    .sidebar {
        box-shadow: 0 12px 24px rgba(0, 0, 0, 0.12);
        width: clamp(240px, 60vw, 320px);
    }

    .sidebar-overlay {
        display: none !important;
    }

    .navbar-left .sidebar-close-btn {
        display: none !important;
    }
}

@media (min-width: 956px) {
    .sidebar:not(.hidden) ~ .main-content .navbar {
        left: 260px;
    }

    .sidebar.hidden ~ .main-content .navbar {
        left: 70px;
    }
}

/* Sidebar Specific Mobile Fixes */
@media (max-width: 600px) {
    .sidebar {
        width: clamp(240px, 60vw, 320px);
        max-width: 320px;
        min-width: 0;
    }

    .sidebar.closed {
        transform: translateX(-100%);
    }

    .sidebar-backn {
        display: flex !important;
    }
}

@media (prefers-reduced-motion: reduce) {
    .sidebar,
    .sidebar-overlay,
    .sidebar-items,
    .sidebar-sections {
        transition: none !important;
        animation: none !important;
    }
}

/* Force white icons on all red buttons/badges */
.btn-icon.send-btn i,
.feature-badge i,
.sidebar-but.new-chat-btn i,
.banner-upgrade-button i {
    color: white !important;
}

/* Fix sidebar back button color */
.sidebar-backn {
    color: var(--text-primary);
    background: transparent;
    border: none;
    font-size: 1.25rem;
    cursor: pointer;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: background 0.2s ease;
}

.sidebar-backn:hover {
    background: var(--sidebar-hover);
}

[data-theme="dark"] .sidebar-backn {
    color: white;
}


/* Dropup menu matches model dropdown */
.dropup-menu {
    position: absolute;
    right: 0;
    bottom: calc(100% + 8px);
    background: var(--container-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 8px;
    display: none;
    min-width: 180px;
    z-index: 1000;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
    opacity: 0;
    transform: translateY(8px);
    transition: opacity 0.2s ease, transform 0.2s ease;
}

.dropup-menu.show {
    display: block;
    opacity: 1;
    transform: translateY(0);
}

.dropup-menu-item {
    list-style: none;
    width: 100%;
    padding: 10px 14px;
    margin: 2px 0;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
    border-radius: 8px;
    transition: background 0.15s ease, color 0.15s ease;
    display: flex;
    align-items: center;
    gap: 10px;
    background: transparent;
    border: none;
}

.dropup-menu-item:hover {
    background: var(--gray-light);
    color: var(--text-primary);
    transform: none;
}

.dropup-menu-item:active {
    background: var(--gray-light);
    transform: none;
}

.dropup-menu-item.is-disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

[data-theme="dark"] .dropup-menu {
    background: var(--container-bg);
    border: 1px solid var(--border-color);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

[data-theme="dark"] .dropup-menu-item:hover {
    background: #3b0d0d;
    color: #ffd6d6;
}

.typing-caret {
    display: inline-block;
    width: 8px;
    height: 16px;
    margin-left: 2px;
    border-left: 2px solid currentColor;
    vertical-align: -2px;
    animation: typing-caret-blink 1s steps(1) infinite;
}

@keyframes typing-caret-blink {
    50% { opacity: 0; }
}

@media (max-width: 640px) {
    .chat-area-wrapper.empty-state .chat-input-container {
        width: calc(100% - 24px);
        margin-left: 12px;
        margin-right: 12px;
    }
}

.mermaid-box {
    border: 1px solid #e5e7eb;
    background: #ffffff;
    border-radius: 12px;
    margin: 12px 0;
    overflow: hidden;
    box-shadow: 0 6px 18px rgba(15, 23, 42, 0.08);
}

.mermaid-box-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 8px 12px;
    background: #f8fafc;
    border-bottom: 1px solid #e5e7eb;
    color: #475569;
    font-size: 11px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.mermaid-actions {
    display: flex;
    gap: 8px;
}

.mermaid-action-btn {
    border: none;
    border-radius: 8px;
    background: #111827;
    color: #ffffff;
    font-size: 11px;
    padding: 4px 10px;
    cursor: pointer;
}

.mermaid-action-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.mermaid-box-body {
    padding: 12px;
    overflow: auto;
}

.mermaid-box .mermaid {
    width: 100%;
}

.mermaid-box .mermaid svg {
    max-width: 100%;
    height: auto;
}

.mermaid-error {
    color: #b91c1c;
    background: #fff5f5;
    border: 1px dashed #fecaca;
    border-radius: 8px;
    padding: 12px;
}

[data-theme="dark"] .mermaid-box {
    border-color: #1f2937;
    background: #0f172a;
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.45);
}

[data-theme="dark"] .mermaid-box-header {
    background: #111827;
    border-color: #1f2937;
    color: #cbd5f5;
}

[data-theme="dark"] .mermaid-box-body {
    background: #0b1220;
}

[data-theme="dark"] .mermaid-action-btn {
    background: #e2e8f0;
    color: #0f172a;
}

[data-theme="dark"] .mermaid-error {
    background: #2b0b0b;
    border-color: #7f1d1d;
    color: #fecaca;
}

.excalidraw-box {
    border: 1px solid #e5e7eb;
    background: #ffffff;
    border-radius: 12px;
    margin: 12px 0;
    overflow: hidden;
    box-shadow: 0 6px 18px rgba(15, 23, 42, 0.08);
}

.excalidraw-box-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 8px 12px;
    background: #f8fafc;
    border-bottom: 1px solid #e5e7eb;
    color: #475569;
    font-size: 11px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.excalidraw-actions {
    display: flex;
    gap: 8px;
}

.excalidraw-action-btn {
    border: none;
    border-radius: 8px;
    background: #111827;
    color: #ffffff;
    font-size: 11px;
    padding: 4px 10px;
    cursor: pointer;
}

.excalidraw-action-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.excalidraw-action-btn i {
    font-size: 11px;
}

.excalidraw-action-btn.excalidraw-fullscreen-btn {
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    color: #ffffff;
}

.excalidraw-action-btn.excalidraw-fullscreen-btn:hover {
    background: linear-gradient(135deg, #4f46e5, #7c3aed);
}

[data-theme="dark"] .excalidraw-action-btn.excalidraw-fullscreen-btn {
    background: linear-gradient(135deg, #818cf8, #a78bfa);
    color: #0f172a;
}

[data-theme="dark"] .excalidraw-action-btn.excalidraw-fullscreen-btn:hover {
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    color: #ffffff;
}

.excalidraw-box-body {
    padding: 8px;
    overflow: hidden;
    background: #ffffff;
    max-height: clamp(220px, 40vh, 360px);
}

.excalidraw-box-body svg {
    max-width: 100%;
    height: auto;
    display: block;
}

.excalidraw-viewport {
    position: relative;
    width: 100%;
    height: clamp(200px, 38vh, 320px);
    overflow: hidden;
    border-radius: 10px;
    background: #ffffff;
    cursor: grab;
    touch-action: none;
}

.excalidraw-viewport.is-panning {
    cursor: grabbing;
}

.excalidraw-loading {
    color: #64748b;
    font-size: 13px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 6px;
}

.excalidraw-spinner {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    border: 2px solid rgba(100, 116, 139, 0.3);
    border-top-color: #64748b;
    animation: excalidrawSpin 0.9s linear infinite;
}

.excalidraw-json-editor {
    border-top: 1px solid #e5e7eb;
    background: #f8fafc;
    padding: 8px;
}

.excalidraw-json-textarea {
    width: 100%;
    min-height: 120px;
    border-radius: 8px;
    border: 1px solid #e5e7eb;
    padding: 8px;
    font-family: 'Fira Code', monospace;
    font-size: 12px;
    color: #0f172a;
    background: #ffffff;
    resize: vertical;
}

.excalidraw-json-actions {
    display: flex;
    gap: 8px;
    margin-top: 8px;
}

.excalidraw-json-error {
    font-size: 12px;
    color: #b91c1c;
    margin-top: 6px;
}

.excalidraw-error {
    color: #b91c1c;
    background: #fff5f5;
    border: 1px dashed #fecaca;
    border-radius: 8px;
    padding: 12px;
}

.excalidraw-sidebar-body {
    position: relative;
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    background: linear-gradient(180deg, rgba(248, 250, 252, 0.9), rgba(248, 250, 252, 0.6));
}

[data-theme="dark"] .excalidraw-sidebar-body {
    background: #0b1220;
}

.excalidraw-sidebar-root {
    position: relative;
    flex: 1;
    min-height: 0;
}

.excalidraw-sidebar-root > div,
.excalidraw-sidebar-root .excalidraw,
.excalidraw-sidebar-root .excalidraw-wrapper {
    height: 100%;
}

.excalidraw-sidebar-loading {
    position: absolute;
    top: 12px;
    right: 12px;
    z-index: 5;
    font-size: 12px;
    color: #64748b;
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(148, 163, 184, 0.3);
    padding: 6px 10px;
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 6px 16px rgba(15, 23, 42, 0.08);
}

[data-theme="dark"] .excalidraw-sidebar-loading {
    background: rgba(15, 23, 42, 0.9);
    color: #cbd5f5;
    border-color: rgba(148, 163, 184, 0.2);
}

.excalidraw-sidebar-hint {
    font-size: 12px;
    color: var(--text-secondary);
    padding: 8px 14px 12px;
    border-top: 1px solid var(--border-color);
    background: var(--container-bg);
}

[data-theme="dark"] .excalidraw-sidebar-hint {
    border-top-color: #1f2937;
    background: #0b1220;
    color: #fff;
}

[data-theme="dark"] .excalidraw-box {
    border-color: #1f2937;
    background: #0f172a;
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.45);
}

[data-theme="dark"] .excalidraw-box-header {
    background: #111827;
    border-color: #1f2937;
    color: #cbd5f5;
}

[data-theme="dark"] .excalidraw-box-body {
    background: #0b1220;
}

[data-theme="dark"] .excalidraw-action-btn {
    background: #e2e8f0;
    color: #0f172a;
}

[data-theme="dark"] .excalidraw-json-editor {
    border-color: #1f2937;
    background: #111827;
}

[data-theme="dark"] .excalidraw-json-textarea {
    border-color: #1f2937;
    background: #0b1220;
    color: #e2e8f0;
}

[data-theme="dark"] .excalidraw-error {
    background: #2b0b0b;
    border-color: #7f1d1d;
    color: #fecaca;
}

[data-theme="dark"] .excalidraw-viewport {
    background: #0b1220;
}

[data-theme="dark"] .excalidraw-sidebar-root .excalidraw svg,
[data-theme="dark"] .excalidraw-sidebar-root .excalidraw button svg,
[data-theme="dark"] .excalidraw-sidebar-root .excalidraw .ToolIcon__icon,
[data-theme="dark"] .excalidraw-sidebar-root .excalidraw .ToolIcon__icon svg,
[data-theme="dark"] .excalidraw-sidebar-root .excalidraw .ToolIcon__keybinding {
    color: #000 !important;
    fill: #000 !important;
    stroke: #000 !important;
}

@keyframes excalidrawSpin {
    to {
        transform: rotate(360deg);
    }
}

body.guest-mode .sidebar,
body.guest-mode #sidebar,
body.guest-mode #toggleSidebar,
body.guest-mode .sidebar-footer,
body.guest-mode #rightsidebar2,
body.guest-mode .sidebar2,
body.guest-mode #rightSidebar,
body.guest-mode .right-sidebar,
body.guest-mode .streak-indicator,
body.guest-mode .notification-wrapper,
body.guest-mode #modelSwitcher,
body.guest-mode #button-drop,
body.guest-mode #fileAttach,
body.guest-mode #documentInput,
body.guest-mode #document-attachment-container,
body.guest-mode #attachment-container,
body.guest-mode #uploadDocumentBtn,
body.guest-mode #toggleCanvasBtn,
body.guest-mode #toggleGraphBtn,
body.guest-mode #enebleThink,
body.guest-mode #open-conversation-gallery,
body.guest-mode #open-share-modal,
body.guest-mode #shareRocketBtn,
body.guest-mode #mindmap-open-btn,
body.guest-mode #mcqblust-gameyard-icon,
body.guest-mode #collab-mic-toggle,
body.guest-mode #conversation-gallery,
body.guest-mode #share-modal {
  display: none !important;
}
body.guest-mode .app-container {
  grid-template-columns: 1fr;
}
body.guest-mode .main-content {
  margin-left: 0 !important;
}
.guest-welcome-lightbox {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(10, 10, 10, 0.55);
  z-index: 1000001;
  padding: 24px;
}
.guest-welcome-lightbox.is-visible {
  display: flex;
}
.guest-welcome-card {
  width: min(520px, 92vw);
  background: #ffffff;
  border-radius: 18px;
  overflow: hidden;
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.28);
  display: flex;
  flex-direction: column;
}
.guest-welcome-media img {
  display: block;
  width: 100%;
  height: auto;
}
.guest-welcome-content {
  padding: 18px 20px 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  text-align: center;
}
.guest-welcome-content h3 {
  margin: 0;
  font-size: 20px;
  color: #111827;
}
.guest-welcome-content p {
  margin: 0;
  font-size: 14px;
  color: #4b5563;
}
.guest-welcome-actions {
  margin-top: 6px;
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
}
.guest-welcome-login {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 9px 16px;
  border-radius: 10px;
  background: #111827;
  color: #ffffff;
  font-weight: 600;
  font-size: 13px;
  text-decoration: none;
}
.guest-welcome-continue {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 9px 16px;
  border-radius: 10px;
  border: 1px solid #d1d5db;
  background: #f9fafb;
  color: #111827;
  font-weight: 600;
  font-size: 13px;
}
.guest-cta {
  margin-top: 6px;
  font-size: 12px;
  color: #777;
  text-align: center;
}
.guest-new-chat-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  border-radius: 10px;
  border: 1px solid #e5e7eb;
  background: #ffffff;
  color: #111827;
  font-weight: 600;
  font-size: 13px;
}
.guest-new-chat-btn:hover {
  border-color: #111827;
}
.guest-nav-stack {
  display: inline-flex;
  flex-direction: column;
  gap: 6px;
}
.guest-login-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 7px 12px;
  border-radius: 10px;
  border: 1px dashed #e5e7eb;
  background: #f9fafb;
  color: #111827;
  font-weight: 600;
  font-size: 12px;
  text-decoration: none;
}
.guest-login-btn:hover {
  border-color: #111827;
}
.navbar-right {
  position: relative;
}

.navbar-right .notification-btn img,
.navbar-right .streak-indicator img {
  width: 24px;
  height: 24px;
}

.navbar-right .streak-indicator {
  width: 40px;
  height: 40px;
  padding: 0;
  justify-content: center;
  border-radius: 12px;
}
.streak-indicator {
  appearance: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  margin-right: 10px;
  border-radius: 999px;
  background: #fff2e6;
  border: 1px solid #f6c79f;
  color: #9a3412;
  font-weight: 600;
  font-size: 12px;
  line-height: 1;
  cursor: pointer;
}
.streak-indicator.is-idle {
  background: #fff7ed;
}
.streak-day-count {
  min-width: 14px;
  text-align: center;
  display: none;
}
.streak-emoji img {
  display: block;
}
.streak-popover {
  position: absolute;
  right: 0;
  top: 42px;
  width: min(260px, 85vw);
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  padding: 12px;
  box-shadow: 0 16px 30px rgba(15, 23, 42, 0.18);
  display: none;
  z-index: 10000;
}
.streak-popover.is-visible {
  display: block;
}
.streak-popover h4 {
  margin: 0 22px 6px 0;
  font-size: 14px;
  color: #0f172a;
}
.streak-popover p {
  margin: 0 0 10px;
  font-size: 12px;
  color: #475569;
}
.streak-popover-close {
  position: absolute;
  top: 6px;
  right: 8px;
  border: none;
  background: transparent;
  font-size: 18px;
  line-height: 1;
  color: #94a3b8;
  cursor: pointer;
}
.streak-popover-close:hover {
  color: #475569;
}
.streak-checkin-overlay {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: rgba(15, 23, 42, 0.6);
  z-index: 1000002;
}
.streak-checkin-overlay.is-visible {
  display: flex;
}
.streak-checkin-card {
  width: min(520px, 94vw);
  background: #ffffff;
  border-radius: 18px;
  box-shadow: 0 22px 50px rgba(15, 23, 42, 0.25);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.streak-checkin-header h3 {
  margin: 0;
  font-size: 18px;
  color: #0f172a;
}
.streak-checkin-header p {
  margin: 6px 0 0;
  font-size: 13px;
  color: #475569;
}
.streak-checkin-time {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}
.streak-input {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 12px;
  color: #475569;
}
.streak-input input,
.streak-input textarea {
  border: 1px solid #e2e8f0;
  border-radius: 10px;
  padding: 8px 10px;
  font-size: 14px;
  color: #0f172a;
}
.streak-input textarea {
  resize: vertical;
  min-height: 70px;
}
.streak-checkin-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: flex-end;
}
.streak-checkin-message {
  font-size: 12px;
  color: #b91c1c;
  min-height: 16px;
}
.streak-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}
.streak-about {
  margin-bottom: 12px;
  padding: 10px 12px;
  border-radius: 12px;
  background: #fff7ed;
  border: 1px solid #fde68a;
  color: #92400e;
  font-size: 12px;
  line-height: 1.5;
}
.streak-about h4 {
  margin: 0 0 6px;
  font-size: 13px;
  color: #7c2d12;
}
.streak-about p {
  margin: 0 0 6px;
}
.streak-about p:last-child {
  margin-bottom: 0;
}
.streak-help {
  font-size: 12px;
  color: var(--text-secondary);
  margin-top: 4px;
}
.streak-active-card {
  margin-top: 10px;
  padding: 10px 12px;
  border-radius: 12px;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  font-size: 13px;
  color: #0f172a;
}
.streak-history {
  margin-top: 12px;
}
.streak-history h4 {
  margin: 0 0 6px;
  font-size: 13px;
  color: #1f2937;
}
.streak-history-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 6px;
  font-size: 12px;
  color: #334155;
}
.streak-badges {
  margin-top: 14px;
  display: grid;
  gap: 12px;
}
.streak-badge {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  align-items: center;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid #e2e8f0;
  background: #ffffff;
}
.streak-badge img {
  width: 44px;
  height: 44px;
  object-fit: contain;
}
.streak-badge-emoji img {
  width: 32px;
  height: 32px;
  display: block;
}
[data-theme="dark"] .streak-indicator {
  background: var(--red-50);
  border-color: var(--border-color);
  color: var(--text-primary);
}
[data-theme="dark"] .streak-indicator.is-idle {
  background: #2a1c14;
}
[data-theme="dark"] .streak-popover {
  background: var(--card-bg);
  border-color: var(--border-color);
  box-shadow: 0 16px 30px rgba(0, 0, 0, 0.4);
}
[data-theme="dark"] .streak-about {
  background: #2a1c14;
  border-color: #3b2f26;
  color: #f5e6d3;
}
[data-theme="dark"] .streak-about h4 {
  color: #f2c685;
}
[data-theme="dark"] .streak-popover h4 {
  color: var(--text-primary);
}
[data-theme="dark"] .streak-popover p {
  color: var(--text-secondary);
}
[data-theme="dark"] .streak-popover-close {
  color: #94a3b8;
}
[data-theme="dark"] .streak-active-card {
  background: var(--card-bg);
  border-color: var(--border-color);
  color: var(--text-primary);
}
[data-theme="dark"] .streak-badge {
  background: var(--card-bg);
  border-color: var(--border-color);
}
[data-theme="dark"] .streak-badge-title {
  color: var(--text-primary);
}
[data-theme="dark"] .streak-badge-meta {
  color: var(--text-secondary);
}
[data-theme="dark"] .streak-progress {
  background: #2d3748;
}
[data-theme="dark"] .streak-checkin-card {
  background: #111827;
  color: #e2e8f0;
  box-shadow: 0 22px 50px rgba(0, 0, 0, 0.55);
}
[data-theme="dark"] .streak-checkin-header h3 {
  color: #f8fafc;
}
[data-theme="dark"] .streak-checkin-header p {
  color: #94a3b8;
}
[data-theme="dark"] .streak-input {
  color: #94a3b8;
}
[data-theme="dark"] .streak-input input,
[data-theme="dark"] .streak-input textarea {
  background: #0f172a;
  border-color: #1f2937;
  color: #e2e8f0;
}
[data-theme="dark"] .streak-checkin-message {
  color: #fca5a5;
}
.streak-badge-title {
  font-size: 13px;
  font-weight: 600;
  color: #0f172a;
}
.streak-badge-meta {
  font-size: 12px;
  color: #64748b;
  margin-top: 4px;
}
.streak-progress {
  margin-top: 6px;
  height: 6px;
  background: #e2e8f0;
  border-radius: 999px;
  overflow: hidden;
}
.streak-progress-bar {
  height: 100%;
  background: linear-gradient(90deg, #f97316, #f59e0b);
  width: 0%;
}
.sidebar,
.sidebar-items {
  overflow-x: hidden;
}

@media (min-width: 956px) {
  .sidebar.hidden {
    overflow: visible;
    z-index: 1000001;
  }

  .sidebar.hidden .sidebar-items {
    overflow: visible;
  }
}

@media (min-width: 956px) {
  .sidebar.hidden .sidebar-but-text,
  .sidebar.hidden .sidebar-but-shortcut,
  .sidebar.hidden .sidebar-section-label {
    display: none !important;
  }

  .sidebar.hidden .sidebar-but {
    justify-content: center;
    padding-left: 10px;
    padding-right: 10px;
    gap: 0;
  }
}
.sidebar-but .sidebar-but-shortcut {
  position: relative;
  z-index: 3;
}

/* Preferencebox mobile UX improvements */
@media (max-width: 900px) {
  .preferencebox-overlay {
    padding: 12px;
    align-items: stretch;
  }

  .preferencebox {
    width: 100%;
    height: 100%;
    max-height: none;
  }
}

@media (max-width: 768px) {
  .preferencebox-overlay {
    padding: 0;
  }

  .preferencebox {
    height: 100vh;
    height: 100dvh;
    border-radius: 0;
  }

  .preferencebox-close-btn {
    width: 36px;
    height: 36px;
    font-size: 18px;
    top: 10px;
    right: 10px;
  }

  .preferencebox-sidebar {
    padding: 48px 12px 12px;
    border-right: none;
    border-bottom: 1px solid var(--border-color);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    background: var(--sidebar-bg);
  }

  .preferencebox-sidebar nav a {
    white-space: nowrap;
    border: 1px solid var(--border-color);
    background: var(--card-bg);
    padding: 8px 12px;
  }

  .preferencebox-sidebar nav a.active {
    border-color: var(--primary-red);
  }

  .preferencebox-content {
    padding: 20px 16px 24px;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
  }

  .preferencebox-content h2 {
    font-size: 20px;
    padding-bottom: 12px;
    margin-bottom: 18px;
  }

  .form-section {
    margin-bottom: 24px;
  }

  .profile-photo-section {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .setting-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }

  .streak-actions {
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
  }

  .streak-actions .btn {
    width: 100%;
  }

  .delete-account-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .delete-account-actions .btn {
    width: 100%;
  }

  .price-slider-container {
    padding: 16px;
  }

  .table-scroll-container {
    overflow-x: auto;
  }

  .billing-history-table {
    min-width: 560px;
  }
}

@media (max-width: 520px) {
  .preferencebox-sidebar nav a {
    font-size: 13px;
  }

  .preferencebox-sidebar nav a i {
    display: none;
  }
}

@media (max-width: 600px) {
  .navbar-right .notification-btn,
  .navbar-right .streak-indicator {
    width: 30px;
    height: 30px;
  }

  .navbar-right .notification-btn img,
  .navbar-right .streak-indicator img {
    width: 18px;
    height: 18px;
  }

  .navbar-right .streak-indicator {
    padding: 0;
    border-radius: 10px;
  }
}

@media (min-width: 956px) {
  .sidebar.hidden .sidebar-but:hover::after,
  .sidebar.hidden .sidebar-but:hover::before,
  .sidebar-action-row .mindmap-btn[title]:hover::after,
  .sidebar-action-row .nav-icon-btn[title]:hover::after {
    z-index: 1000002;
  }
}