:root {
    /* Base Backgrounds with Opacity for Glass Effect */
    --bg-gradient: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    --bg-color: #f0f2f5;
    /* Fallback */

    --sidebar-bg: rgba(255, 255, 255, 0.65);
    --sidebar-border: 1px solid rgba(255, 255, 255, 0.4);

    --text-color: #333333;
    --border-color: rgba(200, 200, 200, 0.5);

    --canvas-bg: #888888;

    --accent: #4a90e2;
    --accent-hover: #357abd;
    --danger: #e74c3c;

    /* Glassy Component Backgrounds */
    --bin-bg: rgba(233, 233, 233, 0.5);
    --card-bg: rgba(255, 255, 255, 0.75);
    --toolbar-bg: rgba(240, 240, 240, 0.7);

    --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.15);
    --glass-backdrop: blur(12px);

    /* --- Fluid/Calculated Widths --- */
    --sidebar-menu-width: clamp(50px, 4vw, 75px);
    --sidebar-resources-width: clamp(240px, 20vw, 340px);
    --sidebar-right-width: clamp(240px, 18vw, 300px);
    --resources-left-width: 50%;
    --min-menu-width: 50px;
}

body.dark-mode {
    --bg-gradient: linear-gradient(135deg, #1e1e1e 0%, #2d2d2d 100%);
    --bg-color: #1e1e1e;

    --sidebar-bg: rgba(45, 45, 45, 0.75);
    --sidebar-border: 1px solid rgba(255, 255, 255, 0.1);

    --text-color: #e0e0e0;
    --border-color: rgba(100, 100, 100, 0.4);

    --canvas-bg: #444;

    --accent: #bb86fc;
    --accent-hover: #9955e6;

    --bin-bg: rgba(51, 51, 51, 0.5);
    --card-bg: rgba(60, 60, 60, 0.7);
    --toolbar-bg: rgba(68, 68, 68, 0.7);

    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
}

@media (max-width: 768px) {
    :root {
        --sidebar-resources-width: 200px;
        --sidebar-right-width: 100%;
    }
}

body {
    margin: 0;
    font-size: clamp(14px, 1vw, 16px);
    font-family: "Segoe UI", sans-serif;
    background: var(--bg-gradient);
    background-color: var(--bg-color);
    /* Fallback */
    background-attachment: fixed;
    color: var(--text-color);
    height: 100vh;
    overflow: hidden;
}

.app-container {
    display: flex;
    height: 100%;
    width: 100%;
}

/* --- 1. SIDEBAR MENU --- */
.sidebar-menu {
    width: var(--sidebar-menu-width);
    min-width: var(--min-menu-width);
    background-color: var(--sidebar-bg);
    backdrop-filter: var(--glass-backdrop);
    -webkit-backdrop-filter: var(--glass-backdrop);
    border-right: var(--sidebar-border);
    box-shadow: var(--glass-shadow);
    padding: clamp(10px, 2vh, 20px) 5px;
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    align-items: center;
    z-index: 100;
    transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1), padding 0.3s, opacity 0.3s;
}

.sidebar-menu.hidden {
    width: 0;
    min-width: 0;
    padding: 0;
    overflow: hidden;
    opacity: 0;
    border: none;
}

.menu-buttons-vertical {
    display: flex;
    flex-direction: column;
    gap: clamp(10px, 2vh, 18px);
    width: 100%;
    align-items: center;
    flex: 1;
    /* Allow it to fill the height of the sidebar */
}

.menu-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: none;
    border: none;
    color: var(--text-color);
    cursor: pointer;
    font-size: clamp(0.65rem, 0.8vw, 0.85rem);
    gap: 3px;
    opacity: 0.8;
    transition: 0.2s ease;
    width: 100%;
}

.menu-btn:hover {
    opacity: 1;
    color: var(--accent);
    transform: translateY(-1px);
}

.menu-icon {
    font-size: clamp(1.1rem, 1.3vw, 1.4rem);
    background: rgba(255, 255, 255, 0.4);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    width: clamp(34px, 3vw, 44px);
    height: clamp(34px, 3vw, 44px);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-color);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.2s ease;
}

body.dark-mode .menu-icon {
    background: rgba(255, 255, 255, 0.05);
}

.menu-btn:hover .menu-icon {
    background: var(--accent);
    color: white;
    box-shadow: 0 4px 8px rgba(var(--accent), 0.3);
    border-color: transparent;
}

.menu-btn.active .menu-icon {
    border: 1px solid var(--accent);
    color: var(--accent);
    background: rgba(var(--accent), 0.1);
    box-shadow: 0 0 8px rgba(var(--accent), 0.2);
}

/* --- 2. COLLAPSIBLE SIDEBARS --- */
.sidebar-resources,
.sidebar-right {
    overflow: hidden;
    flex-shrink: 0;
    display: flex;
    opacity: 1;
    background-color: var(--sidebar-bg);
    backdrop-filter: var(--glass-backdrop);
    -webkit-backdrop-filter: var(--glass-backdrop);
}

.sidebar-resources:not(.resizing),
.sidebar-right:not(.resizing) {
    transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.2s;
}

.sidebar-resources.collapsed,
.sidebar-right.collapsed {
    width: 0 !important;
    min-width: 0 !important;
    border: none;
    opacity: 0;
    padding: 0;
}

.sidebar-resources {
    width: var(--sidebar-resources-width);
    border-right: var(--sidebar-border);
    display: flex;
    flex-direction: row;
}

.resource-split-col {
    display: flex;
    flex-direction: column;
    background: transparent;
    padding: 10px;
    overflow: hidden;
}

.resource-split-col.left-col {
    width: var(--resources-left-width);
    min-width: 100px;
    flex-shrink: 0;
}

.resource-split-col.right-col {
    flex: 1;
    min-width: 100px;
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
    padding-bottom: 8px;
    border-bottom: var(--border-color);
    white-space: nowrap;
}

.sidebar-resources h4,
.sidebar-right h3 {
    margin: 0;
    font-size: 0.9em;
    text-transform: uppercase;
    color: var(--text-color);
    opacity: 0.8;
    letter-spacing: 0.5px;
}

/* Right Sidebar */
.sidebar-right {
    width: var(--sidebar-right-width);
    border-left: var(--sidebar-border);
    display: flex;
    flex-direction: column;
}

/* --- 3. MAIN EDITOR & CANVAS --- */
.main-area {
    flex: 1;
    display: flex;
    overflow: hidden;
    position: relative;
    z-index: 1;
}

.editor-column {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.toolbar {
    height: clamp(38px, 5vh, 48px);
    background-color: var(--toolbar-bg);
    backdrop-filter: blur(5px);
    border-bottom: var(--sidebar-border);
    display: flex;
    align-items: center;
    padding: 0 10px;
    gap: 8px;
    font-size: 0.9em;
    flex-shrink: 0;
}

.canvas-wrapper {
    flex: 1;
    background-color: var(--canvas-bg);
    display: flex;
    overflow: auto;
    padding: clamp(20px, 4vw, 40px);
    box-shadow: inset 0 0 20px rgba(0, 0, 0, 0.2);
}

.canvas-container {
    margin: auto;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
    background-color: white;
    border-radius: 2px;
    transition: zoom 0.2s ease-out;
    transform-origin: top center;
}

.resizer {
    width: 8px;
    background: transparent;
    cursor: col-resize;
    z-index: 999;
    flex-shrink: 0;
    transition: background 0.2s;
    margin: 0 -4px;
    position: relative;
}

.resizer:hover,
.resizer.active {
    background: rgba(74, 144, 226, 0.5);
}

#resizer-mid {
    width: 6px;
    margin: 0;
    border-left: 1px solid var(--border-color);
    border-right: 1px solid var(--border-color);
    background: rgba(0, 0, 0, 0.02);
}

#resizer-mid:hover,
#resizer-mid.active {
    background: var(--accent);
}

/* --- UI COMPONENTS --- */
.scroll-area {
    flex: 1;
    overflow-y: auto;
    padding-right: 5px;
}

.scroll-area::-webkit-scrollbar {
    width: 6px;
}

.scroll-area::-webkit-scrollbar-track {
    background: transparent;
}

.scroll-area::-webkit-scrollbar-thumb {
    background: rgba(150, 150, 150, 0.3);
    border-radius: 3px;
}

.scroll-area::-webkit-scrollbar-thumb:hover {
    background: rgba(150, 150, 150, 0.6);
}

.source-item {
    margin-bottom: 10px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    background: var(--card-bg);
    padding: 8px;
    border-radius: 8px;
    transition: all 0.2s ease;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
}

.source-item:hover {
    transform: translateY(-2px);
    border-color: var(--accent);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    filter: brightness(1.02);
}

.source-item.selected {
    border: 2px solid var(--accent);
    background: rgba(var(--accent), 0.05);
}

.source-item img {
    width: 100%;
    display: block;
    border-radius: 4px;
    border-bottom: 1px solid var(--border-color);
    cursor: pointer;
    margin-bottom: 5px;
}

.source-tools {
    display: flex;
    gap: 5px;
    padding-top: 5px;
}

.sm-btn {
    padding: 6px;
    font-size: 0.75em;
    cursor: pointer;
    background: rgba(100, 100, 100, 0.2);
    color: var(--text-color);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 6px;
    flex: 1;
    transition: 0.2s;
}

.sm-btn:hover {
    background: var(--accent);
    color: white;
}

.sm-btn.done {
    background: rgba(39, 174, 96, 0.2);
    color: #27ae60;
    border: 1px solid #27ae60;
}

.sm-btn.done:hover {
    background: #27ae60;
    color: white;
}

.sm-icon-btn {
    padding: 2px 6px;
    background: transparent;
    color: var(--text-color);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    cursor: pointer;
}

.sm-icon-btn:hover {
    background: var(--accent);
    color: white;
}

#btn-add-source {
    flex: none;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}

.tool-group {
    display: flex;
    align-items: center;
    gap: 5px;
    padding-right: 10px;
    border-right: 1px solid var(--border-color);
}

.tool-group.right-aligned {
    margin-left: auto;
    border: none;
    padding-right: 0;
}

.tool-btn {
    padding: clamp(4px, 0.5vh, 6px) clamp(6px, 0.5vw, 10px);
    background-color: transparent;
    color: var(--text-color);
    border: 1px solid transparent;
    border-radius: 6px;
    cursor: pointer;
    transition: 0.2s;
    font-size: clamp(0.9rem, 1vw, 1.15rem);
    min-width: clamp(28px, 2.5vw, 36px);
    display: flex;
    justify-content: center;
    align-items: center;
}

.tool-btn:hover {
    background-color: rgba(150, 150, 150, 0.15);
    transform: translateY(-1px);
}

.tool-btn:active {
    transform: translateY(0);
}

.tool-btn.active {
    background-color: var(--accent);
    color: white;
    box-shadow: 0 2px 8px rgba(74, 144, 226, 0.3);
}

input[type="number"],
input[type="text"],
textarea {
    background: rgba(255, 255, 255, 0.4);
    border: 1px solid var(--border-color);
    color: var(--text-color);
    border-radius: 6px;
    padding: 5px;
}

body.dark-mode input[type="number"],
body.dark-mode input[type="text"],
body.dark-mode textarea {
    background: rgba(0, 0, 0, 0.2);
}

.bin-item-wrapper {
    position: relative;
    margin-bottom: 8px;
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(5px);
    padding: 8px;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.5);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    transition: transform 0.2s;
}

body.dark-mode .bin-item-wrapper {
    background: rgba(60, 60, 60, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.05);
    color: var(--text-color);
}

.bin-item-wrapper:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.bin-del-btn {
    position: absolute;
    top: -2px;
    right: -2px;
    width: 20px;
    height: 20px;
    background: var(--danger);
    color: white;
    border-radius: 50%;
    cursor: pointer;
    border: 2px solid var(--bg-color);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 10px;
    padding: 0;
}

.draggable-img {
    width: 100%;
    display: block;
    cursor: grab;
    border-radius: 4px;
}

.draggable-item {
    cursor: grab;
    font-size: 0.9em;
    padding: 2px;
    line-height: 1.4;
}

.case-details-panel {
    padding: 15px;
    border-bottom: var(--border-color);
}

.input-group {
    margin-bottom: 15px;
}

.input-group label {
    display: block;
    font-size: 0.85em;
    margin-bottom: 6px;
    font-weight: 600;
    color: var(--text-color);
    opacity: 0.8;
}

.input-group input,
.input-group textarea {
    width: 100%;
    padding: 8px;
    box-sizing: border-box;
    outline: none;
    transition: 0.2s;
}

.input-group input:focus,
.input-group textarea:focus {
    border-color: var(--accent);
    background: rgba(255, 255, 255, 0.8);
}

body.dark-mode .input-group input:focus,
body.dark-mode .input-group textarea:focus {
    background: rgba(60, 60, 60, 0.9);
    color: var(--text-color);
    border-color: var(--accent);
}

/* --- Auth Modal Improvements --- */
.btn-primary {
    background: var(--accent);
    color: white;
    border: none;
    border-radius: 6px;
    /* consistent radius */
    cursor: pointer;
    font-weight: 600;
    transition: background 0.2s, transform 0.1s;
}

.btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
}

.btn-text {
    background: none;
    border: none;
    color: var(--text-color);
    cursor: pointer;
    font-size: 0.9em;
    opacity: 0.7;
    transition: opacity 0.2s;
}

.btn-text:hover {
    opacity: 1;
    text-decoration: underline;
}

.input-group input {
    /* Ensure padding and sizing matches */
    border: 1px solid var(--border-color);
    background: rgba(255, 255, 255, 0.9);
    /* More opaque for inputs */
    color: #333;
    /* Ensure text is visible */
}

body.dark-mode .input-group input {
    background: rgba(0, 0, 0, 0.5);
    color: white;
}

.ai-assistant-panel {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 15px;
    min-height: 0;
}

/* --- CHAT MANAGER (Updated for Dark Mode) --- */
.chat-manager {
    display: flex;
    gap: 8px;
    margin-bottom: 10px;
    align-items: center;
}

.chat-manager select {
    flex: 1;
    padding: 6px;
    background: rgba(255, 255, 255, 0.5);
    border: 1px solid var(--border-color);
    color: var(--text-color);
    border-radius: 6px;
    outline: none;
    cursor: pointer;
}

.chat-manager button {
    padding: 6px 10px;
    background: rgba(150, 150, 150, 0.2);
    color: var(--text-color);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    cursor: pointer;
    transition: 0.2s;
    font-size: 0.85em;
}

.chat-manager button:hover {
    background: var(--danger);
    color: white;
    border-color: var(--danger);
}

/* Specific Dark Mode Fixes for Select */
body.dark-mode .chat-manager select {
    background-color: #333333;
    /* Solid background for readability */
    color: #ffffff;
    border-color: #555;
}

body.dark-mode .chat-manager select option {
    background-color: #333333;
    color: #ffffff;
}

.chat-display {
    flex: 1;
    display: flex;
    flex-direction: column;
    border: 1px solid var(--border-color);
    margin-bottom: 10px;
    padding: 10px;
    overflow-y: auto;
    background: rgba(0, 0, 0, 0.03);
    border-radius: 8px;
    box-shadow: inset 0 2px 6px rgba(0, 0, 0, 0.05);
    min-height: 0;
}

body.dark-mode .chat-display {
    background: rgba(0, 0, 0, 0.2);
}

.chat-input-area {
    display: flex;
    gap: 8px;
    flex-shrink: 0;
}

.chat-input-area input {
    flex: 1;
    padding: 8px;
    border-radius: 6px;
    border: 1px solid var(--border-color);
}

.send-btn {
    padding: 5px 12px;
    background: var(--accent);
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: background 0.2s;
}

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

.send-btn:disabled {
    background: #ccc;
    cursor: not-allowed;
}

.msg {
    padding: 10px 14px;
    margin: 6px 0;
    border-radius: 12px;
    font-size: 0.9em;
    max-width: 85%;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.msg.ai {
    background: var(--card-bg);
    color: var(--text-color);
    align-self: flex-start;
    border-bottom-left-radius: 2px;
    border: 1px solid var(--border-color);
}

.msg.user {
    background: var(--accent);
    color: white;
    align-self: flex-end;
    margin-left: auto;
    border-bottom-right-radius: 2px;
}

/* Utils */
.divider {
    height: 1px;
    background-color: var(--border-color);
    margin: 10px 0;
    width: 60%;
    align-self: center;
}

.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    z-index: 2000;
    justify-content: center;
    align-items: center;
}

.modal-content {
    background: var(--sidebar-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 25px;
    border-radius: 12px;
    color: var(--text-color);
    display: flex;
    flex-direction: column;
    gap: 15px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.crop-container {
    max-height: 60vh;
    overflow: hidden;
    background: #333;
    border-radius: 4px;
}

#image-to-crop {
    max-width: 100%;
    display: block;
}

#toast-container {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 3000;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.toast {
    background: rgba(40, 40, 40, 0.9);
    backdrop-filter: blur(5px);
    color: white;
    padding: 10px 20px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    font-size: 0.9em;
    animation: slideIn 0.3s ease-out;
}

.toast.error {
    background: rgba(231, 76, 60, 0.9);
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }

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

/* --- AI LOADING STATES --- */

/* 1. Canvas Loader Overlay */
.canvas-loader-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 1000;
    display: none;
    /* Hidden by default */
    flex-direction: column;
    justify-content: center;
    align-items: center;
    border-radius: 2px;
    animation: fadeIn 0.3s ease-out;
}

body.dark-mode .canvas-loader-overlay {
    background: rgba(30, 30, 30, 0.7);
}

.loader-content {
    text-align: center;
    background: var(--card-bg);
    padding: 30px 50px;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    max-width: 80%;
}

/* Modern Spinner */
.modern-spinner {
    width: 50px;
    height: 50px;
    border: 4px solid rgba(74, 144, 226, 0.1);
    border-left-color: var(--accent);
    border-radius: 50%;
    animation: spin 1s cubic-bezier(0.68, -0.55, 0.27, 1.55) infinite;
}

.loader-text {
    font-size: 1.2rem;
    font-weight: 500;
    color: var(--text-color);
    min-width: 250px;
}

.loader-subtext {
    font-size: 0.9rem;
    color: var(--text-color);
    opacity: 0.7;
}

@keyframes spin {
    100% {
        transform: rotate(360deg);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

/* 2. Chat Typing Indicator */
.typing-indicator {
    display: flex;
    gap: 4px;
    padding: 4px 0;
    align-items: center;
}

.typing-dot {
    width: 6px;
    height: 6px;
    background-color: var(--text-color);
    border-radius: 50%;
    opacity: 0.6;
    animation: bounce 1.4s infinite ease-in-out both;
}

.typing-dot:nth-child(1) {
    animation-delay: -0.32s;
}

.typing-dot:nth-child(2) {
    animation-delay: -0.16s;
}

@keyframes bounce {

    0%,
    80%,
    100% {
        transform: scale(0);
    }

    40% {
        transform: scale(1);
    }
}

/* --- AI Context Awareness --- */
.ai-context-panel {
    background: rgba(255, 255, 255, 0.4);
    border-radius: 8px;
    padding: 10px;
    margin-bottom: 15px;
    font-size: 0.85em;
    border: 1px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(5px);
}

.ai-context-header {
    font-weight: 600;
    margin-bottom: 5px;
    color: var(--primary-color);
    text-transform: uppercase;
    font-size: 0.75em;
    letter-spacing: 0.5px;
}

.ai-context-list {
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
    max-height: 100px;
    overflow-y: auto;
}

.ai-context-tag {
    background: rgba(255, 255, 255, 0.7);
    padding: 2px 6px;
    border-radius: 4px;
    border: 1px solid rgba(0, 0, 0, 0.1);
    font-size: 0.9em;
    display: flex;
    align-items: center;
    gap: 4px;
}

.ai-context-tag.canvas {
    border-left: 3px solid #3498db;
}

.ai-context-tag.bin {
    border-left: 3px solid #e67e22;
}

/* Selected State for Resource Bin */
.bin-item-wrapper.selected {
    border: 2px solid var(--primary-color);
    background: rgba(52, 152, 219, 0.1);
    transform: scale(1.02);
}

.bin-item-wrapper {
    transition: all 0.2s ease;
    cursor: pointer;
}

/* --- Dark Mode Overrides for Context Awareness --- */
body.dark-mode .ai-context-panel {
    background: rgba(30, 30, 30, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

body.dark-mode .ai-context-header {
    color: #a0cfff;
}

body.dark-mode .ai-context-tag {
    background: rgba(60, 60, 60, 0.8);
    color: #e0e0e0;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

body.dark-mode .bin-item-wrapper.selected {
    border-color: #3498db;
}

/* Math Palette Buttons */
.math-btn {
    padding: 10px;
    font-size: 1.2rem;
    border: 1px solid var(--border-color);
    background: var(--card-bg);
    border-radius: 4px;
    cursor: pointer;
    transition: 0.2s;
    color: var(--text-color);
    display: flex;
    justify-content: center;
    align-items: center;
}

.math-btn:hover {
    background: var(--accent);
    color: white;
    border-color: var(--accent);
    transform: scale(1.1);
}

/* Font Selector */
#tool-font {
    background: transparent;
    border: 1px solid transparent;
    color: var(--text-color);
    font-size: 0.9em;
    cursor: pointer;
    border-radius: 4px;
}

#tool-font:hover {
    background: rgba(150, 150, 150, 0.15);
}

#tool-font option {
    background: var(--card-bg);
    color: var(--text-color);
}

/* Delete Source Button */
.btn-del-source {
    background: transparent;
    border: none;
    color: var(--text-color);
    opacity: 0.5;
    cursor: pointer;
    font-size: 0.8em;
    padding: 2px 5px;
    border-radius: 4px;
    transition: 0.2s;
}

.btn-del-source:hover {
    opacity: 1;
    color: var(--danger);
    background: rgba(231, 76, 60, 0.1);
}

@import 'styles.css';

/* --- Global Loader --- */
.global-loader-overlay {
    position: fixed;
    /* Fixed for global */
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    z-index: 9999;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    animation: fadeIn 0.3s ease-out;
}

body.dark-mode .global-loader-overlay {
    background: rgba(30, 30, 30, 0.85);
}

#global-loader-text {
    font-size: 1.4rem;
    font-weight: 600;
    margin-top: 15px;
    color: var(--text-color);
}

#global-loader-subtext {
    font-size: 1rem;
    margin-top: 5px;
    color: var(--text-color);
    opacity: 0.7;
}


/* --- User Profile Section --- */
.user-profile-section {
    text-align: center;
    margin-top: auto;
    /* Push to bottom when parent is flex-column */
    width: 100%;
    box-sizing: border-box;
    padding: 15px 5px;
    border-top: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    background: rgba(150, 150, 150, 0.05);
    border-radius: 8px;
}

.user-display-name {
    font-size: 0.85rem;
    color: var(--text-color);
    opacity: 0.9;
    padding: 0 5px;
    font-weight: 700;
    max-width: 100%;
    word-wrap: break-word;
    overflow-wrap: break-word;
    white-space: normal;
    line-height: 1.2;
    text-align: center;
    margin-bottom: 5px;
}

.project-display-name {
    font-size: 0.8rem;
    color: var(--accent);
    opacity: 0.9;
    padding: 0 5px;
    font-weight: 700;
    max-width: 100%;
    word-wrap: break-word;
    overflow-wrap: break-word;
    white-space: normal;
    line-height: 1.3;
    text-align: center;
    margin-bottom: 15px;
    /* Space before New button */
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 10px;
    width: 100%;
}



/* Logout Hover (Red) */
#btn-logout:hover {
    color: var(--danger);
}

#btn-logout:hover .menu-icon {
    background: var(--danger);
    color: white;
    box-shadow: 0 4px 8px rgba(231, 76, 60, 0.3);
}

/* --- Modern Auth Modal --- */
.auth-modern {
    width: 380px;
    padding: 30px;
}

.auth-header {
    text-align: center;
    margin-bottom: 25px;
}

.auth-header h2 {
    margin: 0 0 5px 0;
    font-size: 1.5em;
    color: var(--text-color);
}

.auth-subtitle {
    margin: 0;
    color: var(--text-color);
    opacity: 0.6;
    font-size: 0.9em;
}

.auth-tabs {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 25px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 10px;
}

.auth-tab {
    cursor: pointer;
    font-weight: 500;
    color: var(--text-color);
    opacity: 0.5;
    padding-bottom: 10px;
    margin-bottom: -11px;
    border-bottom: 2px solid transparent;
    transition: all 0.2s;
}

.auth-tab.active {
    opacity: 1;
    color: var(--accent);
    border-bottom-color: var(--accent);
}

.modern-input {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.5);
    margin-bottom: 15px;
    font-size: 0.95em;
    color: var(--text-color);
    transition: all 0.2s;
    box-sizing: border-box;
}

body.dark-mode .modern-input {
    background: rgba(0, 0, 0, 0.2);
}

.modern-input:focus {
    border-color: var(--accent);
    background: var(--card-bg);
    box-shadow: 0 0 0 3px rgba(74, 144, 226, 0.1);
    outline: none;
}

.btn-primary-large {
    width: 100%;
    padding: 12px;
    background: var(--accent);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 1em;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    margin-top: 10px;
}

.btn-primary-large:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(74, 144, 226, 0.2);
}

.auth-divider {
    display: flex;
    align-items: center;
    margin: 20px 0;
    color: var(--text-color);
    opacity: 0.4;
    font-size: 0.8em;
}

.auth-divider::before,
.auth-divider::after {
    content: "";
    flex: 1;
    border-top: 1px solid currentColor;
}

.auth-divider span {
    padding: 0 10px;
}

.btn-google {
    width: 100%;
    padding: 10px;
    background: white;
    color: #444;
    border: 1px solid #ddd;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.2s;
}

.btn-google:hover {
    background: #f8f9fa;
    border-color: #ccc;
}

body.dark-mode .btn-google {
    background: #4285F4;
    color: white;
    border: none;
}

body.dark-mode .btn-google:hover {
    background: #3367d6;
}

.btn-google img {
    width: 20px;
    height: 20px;
}

body.dark-mode .btn-google img {
    background: white;
    border-radius: 50%;
    padding: 2px;
}

.auth-footer {
    text-align: center;
    margin-top: 20px;
}