/* ==========================================================================
   CADCraft Web (AutoCAD Studio) — Main Stylesheet & Design Tokens
   Exact port of crates/ui-egui/src/theme.rs & chrome.rs
   ========================================================================== */

:root,
body[data-theme="dark"] {
    --cc-chrome: #2b2b2b;
    --cc-chrome-dark: #1e1e1e;
    --cc-panel: #252526;
    --cc-tab-active: #383838;
    --cc-control: #323232;
    --cc-control-hover: #3f3f3f;
    --cc-border: #3f3f3f;
    --cc-canvas: #1b1b1c;
    --cc-grid-minor: #242426;
    --cc-grid-major: #2e2e32;
    --cc-axis-x: #562829;
    --cc-axis-y: #284a2e;
    --cc-text: #e4e4e4;
    --cc-text-dim: #9e9e9e;
    --cc-text-faint: #767676;
    --cc-icon: #d4d4d4;
    --cc-icon-accent: #1473e6;
    --cc-icon-point: #ff9a00;
    --cc-accent: #1473e6;
    --cc-selection: #1473e6;
    --cc-hover: #9cc6ff;
    --cc-grip: #1473e6;
    --cc-grip-hot: #ff3b3b;
    --cc-grip-dyn: #26c6e8;
    --cc-snap: #2fd062;
    --cc-compare-this: #4cd97b;
    --cc-compare-other: #ff5c5c;
    --cc-compare-area: #ffb43c;
    --cc-window-stroke: #6fa8ff;
    --cc-crossing-stroke: #7fe07f;
    --cc-cmd-bg: rgba(37, 37, 38, 0.96);
    --cc-toggle-on: #1473e6;
    --cc-field: #1f1f1f;
    --cc-select-bg: #1473e6;
    --cc-canvas-ink: #9e9e9e;
    --cc-cmd-history: rgba(30, 30, 30, 0.85);
    --cc-cmd-border: #3f3f3f;
    --cc-cmd-keyword: #60a5fa;
    --cc-cmd-keyword-hover: #2f5ea8;
    --cc-list-bg: #2b313b;
    --cc-list-row: #3a4250;
    --cc-warn: #ffd080;
    --cc-crosshair: #e8e8e8;
    --cc-paper: #ffffff;
    --cc-shadow: rgba(0, 0, 0, 0.45);
}

body[data-theme="light"] {
    --cc-chrome: #e4e7eb;
    --cc-chrome-dark: #d5d9df;
    --cc-panel: #eef0f3;
    --cc-tab-active: #c8d3e2;
    --cc-control: #dce0e6;
    --cc-control-hover: #cbd2dc;
    --cc-border: #b3bac4;
    --cc-text: #1d232b;
    --cc-text-dim: #47505c;
    --cc-text-faint: #626a76;
    --cc-icon: #343c48;
    --cc-icon-accent: #1b6fd6;
    --cc-icon-point: #d35a1c;
    --cc-accent: #2f7cf6;
    --cc-cmd-bg: rgba(249, 250, 251, 0.95);
    --cc-toggle-on: #2f7cf6;
    --cc-field: #ffffff;
    --cc-select-bg: #b6d3fb;
    --cc-cmd-history: rgba(240, 242, 245, 0.88);
    --cc-cmd-border: #a9b0ba;
    --cc-cmd-keyword: #1559c0;
    --cc-cmd-keyword-hover: #cfe0fa;
    --cc-list-bg: #fbfcfd;
    --cc-list-row: #e3e8ef;
    --cc-warn: #8a5300;
    --cc-shadow: rgba(0, 0, 0, 0.18);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    user-select: none;
    -webkit-user-select: none;
}

input, textarea, select {
    user-select: text;
    -webkit-user-select: text;
    font-family: inherit;
}

html, body {
    width: 100%;
    height: 100%;
    overflow: hidden;
    background: var(--cc-chrome-dark);
    color: var(--cc-text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    font-size: 12.5px;
    line-height: 1.35;
}

#cc-app {
    display: flex;
    flex-direction: column;
    width: 100vw;
    height: 100vh;
    overflow: hidden;
}

/* ==========================================================================
   1. Top Application Menu Bar (11 Menus)
   ========================================================================== */
#cc-menubar {
    height: 38px;
    background: #18191e;
    border-bottom: 1px solid #282a32;
    display: flex;
    align-items: center;
    padding: 0 10px;
    z-index: 500;
    flex-shrink: 0;
}

body[data-theme="light"] #cc-menubar {
    background: #f8fafc;
    border-bottom: 1px solid #e2e8f0;
}

.cc-brand-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-weight: 700;
    font-size: 13px;
    color: var(--cc-icon-accent);
    padding: 0 12px 0 2px;
    margin-right: 6px;
    border-right: 1px solid #282a32;
    letter-spacing: 0.3px;
    height: 24px;
}

body[data-theme="light"] .cc-brand-badge {
    border-right-color: #e2e8f0;
}

.cc-menu-item {
    position: relative;
    padding: 0 9px;
    height: 28px;
    display: inline-flex;
    align-items: center;
    border-radius: 5px;
    cursor: pointer;
    color: #d1d5db;
    font-size: 12.5px;
    font-weight: 500;
    transition: all 0.12s ease;
}

.cc-menu-item:hover,
.cc-menu-item.open {
    background: rgba(255, 255, 255, 0.08);
    color: #ffffff;
}

body[data-theme="light"] .cc-menu-item {
    color: #334155;
}

body[data-theme="light"] .cc-menu-item:hover,
body[data-theme="light"] .cc-menu-item.open {
    background: #e2e8f0;
    color: #0f172a;
}

.cc-menu-dropdown {
    display: none;
    position: absolute;
    top: calc(100% + 5px);
    left: 0;
    min-width: 240px;
    background: #20222a;
    border: 1px solid #323542;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.55);
    border-radius: 6px;
    padding: 5px 0;
    z-index: 1200;
}

body[data-theme="light"] .cc-menu-dropdown {
    background: #ffffff;
    border-color: #cbd5e1;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.12);
}

.cc-menu-item.open > .cc-menu-dropdown {
    display: block;
}

.cc-menu-entry {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 5px 14px;
    color: #e2e8f0;
    font-size: 12px;
    cursor: pointer;
    position: relative;
    white-space: nowrap;
    transition: background 0.1s, color 0.1s;
}

body[data-theme="light"] .cc-menu-entry {
    color: #1e293b;
}

.cc-menu-entry:hover {
    background: #1473e6;
    color: #ffffff;
}

.cc-menu-entry.disabled {
    color: #64748b;
    pointer-events: none;
}

.cc-menu-entry .cc-menu-shortcut {
    color: #94a3b8;
    margin-left: 24px;
    font-size: 11px;
    font-family: "Consolas", "SFMono-Regular", monospace;
}

.cc-menu-entry:hover .cc-menu-shortcut {
    color: rgba(255, 255, 255, 0.9);
}

.cc-menu-sep {
    height: 1px;
    background: #323542;
    margin: 4px 6px;
}

body[data-theme="light"] .cc-menu-sep {
    background: #e2e8f0;
}

.cc-submenu {
    display: none;
    position: absolute;
    left: 100%;
    top: -4px;
    min-width: 220px;
    background: #20222a;
    border: 1px solid #323542;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.55);
    border-radius: 6px;
    padding: 5px 0;
}

body[data-theme="light"] .cc-submenu {
    background: #ffffff;
    border-color: #cbd5e1;
}

.cc-menu-entry.has-sub:hover > .cc-submenu {
    display: block;
}

.cc-menubar-right {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 6px;
    height: 38px;
}

.cc-header-pill {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.14);
    height: 28px;
    padding: 0 10px;
    border-radius: 6px;
    color: #cbd5e1;
    cursor: pointer;
    font-size: 11.5px;
    font-weight: 600;
    letter-spacing: 0.2px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all 0.15s ease;
    white-space: nowrap;
}

.cc-header-pill:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(255, 255, 255, 0.24);
    color: #ffffff;
}

body[data-theme="light"] .cc-header-pill {
    background: #ffffff;
    border-color: #cbd5e1;
    color: #334155;
}

body[data-theme="light"] .cc-header-pill:hover {
    background: #f1f5f9;
    border-color: #94a3b8;
    color: #0f172a;
}

/* ==========================================================================
   2. Top Icon Toolbar (chrome.rs TOOLBAR)
   ========================================================================== */
#cc-toolbar {
    height: 34px;
    background: var(--cc-chrome);
    border-bottom: 1px solid var(--cc-border);
    display: flex;
    align-items: center;
    padding: 0 10px;
    gap: 4px;
    flex-shrink: 0;
    overflow-x: auto;
}

.cc-tb-group {
    display: flex;
    align-items: center;
    gap: 4px;
    padding-right: 12px;
    margin-right: 8px;
    border-right: 1px solid var(--cc-border);
}

.cc-tb-group:last-child {
    border-right: none;
}

.cc-tb-btn {
    width: 26px;
    height: 26px;
    border-radius: 3px;
    border: none;
    background: transparent;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--cc-icon);
    padding: 3px;
    transition: background 0.1s;
}

.cc-tb-btn:hover {
    background: var(--cc-control-hover);
}

.cc-tb-btn.active {
    background: rgba(61, 139, 253, 0.35);
    box-shadow: inset 0 -2px 0 var(--cc-toggle-on);
}

.cc-tb-btn svg {
    width: 18px;
    height: 18px;
    display: block;
}

/* Quick Access Layer / Color / Linetype Combo on Toolbar */
.cc-tb-quick-props {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-left: auto;
}

.cc-tb-select {
    height: 23px;
    background: var(--cc-field);
    color: var(--cc-text);
    border: 1px solid var(--cc-border);
    border-radius: 3px;
    padding: 0 6px;
    font-size: 11.5px;
    cursor: pointer;
}

/* ==========================================================================
   3. File Tabs Bar (Start + Open Drawings)
   ========================================================================== */
#cc-filetabs {
    height: 26px;
    background: var(--cc-chrome-dark);
    border-bottom: 1px solid var(--cc-border);
    display: flex;
    align-items: stretch;
    padding-left: 4px;
    flex-shrink: 0;
    overflow-x: auto;
}

.cc-ft-icon-btn {
    width: 24px;
    height: 25px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    color: var(--cc-icon);
    cursor: pointer;
}

.cc-ft-icon-btn:hover {
    background: var(--cc-control);
}

.cc-file-tab {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-width: 110px;
    max-width: 185px;
    padding: 0 8px 0 10px;
    background: var(--cc-chrome-dark);
    color: var(--cc-text-dim);
    border-right: 1px solid var(--cc-border);
    cursor: pointer;
    font-size: 12px;
    gap: 8px;
    position: relative;
}

.cc-file-tab:hover {
    background: var(--cc-chrome);
    color: var(--cc-text);
}

.cc-file-tab.active {
    background: var(--cc-tab-active);
    color: var(--cc-text);
    font-weight: 500;
}

.cc-file-tab .cc-tab-title {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.cc-file-tab .cc-tab-dirty {
    color: var(--cc-icon-point);
    font-weight: bold;
    margin-left: 2px;
}

.cc-file-tab .cc-tab-close {
    width: 15px;
    height: 15px;
    border-radius: 3px;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0.65;
    font-size: 13px;
    line-height: 1;
}

.cc-file-tab .cc-tab-close:hover {
    opacity: 1;
    background: rgba(255, 92, 92, 0.25);
    color: #ff6b6b;
}

/* ==========================================================================
   4. Main Workspace Body (Left Toolsets + Center Canvas/Start + Right Palettes)
   ========================================================================== */
#cc-workspace {
    flex: 1;
    display: flex;
    position: relative;
    overflow: hidden;
    min-height: 0;
}

/* ==========================================================================
   5. Start Page (chrome.rs start_page)
   ========================================================================== */
#cc-start-page {
    position: absolute;
    inset: 0;
    display: none;
    background: var(--cc-chrome);
    z-index: 300;
}

#cc-start-page.active {
    display: flex;
}

.cc-start-left {
    width: 310px;
    background: var(--cc-chrome-dark);
    border-right: 1px solid var(--cc-border);
    padding: 56px 34px;
    display: flex;
    flex-direction: column;
}

.cc-start-logo-title {
    font-size: 28px;
    font-weight: 700;
    color: var(--cc-text);
    letter-spacing: -0.3px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.cc-start-version {
    font-size: 12px;
    color: var(--cc-text-faint);
    margin-top: 4px;
    margin-bottom: 34px;
}

.cc-start-btn {
    width: 230px;
    height: 36px;
    background: transparent;
    border: 1px solid var(--cc-text-dim);
    border-radius: 3px;
    color: var(--cc-text);
    font-size: 13px;
    text-align: left;
    padding: 0 16px;
    margin-bottom: 10px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: all 0.12s;
}

.cc-start-btn:hover {
    border-color: var(--cc-text);
    background: var(--cc-control);
}

.cc-start-btn.primary {
    border-color: var(--cc-accent);
    background: rgba(61, 139, 253, 0.16);
}

.cc-start-btn.primary:hover {
    background: var(--cc-accent);
    color: #fff;
}

.cc-start-main {
    flex: 1;
    padding: 44px 48px;
    overflow-y: auto;
}

.cc-start-section-title {
    font-size: 20px;
    font-weight: 600;
    color: var(--cc-text);
    margin-bottom: 18px;
}

.cc-sample-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(235px, 1fr));
    gap: 16px;
    margin-bottom: 36px;
}

.cc-sample-card {
    background: var(--cc-chrome-dark);
    border: 1px solid var(--cc-border);
    border-radius: 5px;
    padding: 16px;
    cursor: pointer;
    transition: border-color 0.15s, transform 0.15s;
}

.cc-sample-card:hover {
    border-color: var(--cc-accent);
    transform: translateY(-2px);
}

.cc-sample-card h4 {
    font-size: 14px;
    color: var(--cc-text);
    margin-bottom: 6px;
}

.cc-sample-card p {
    font-size: 12px;
    color: var(--cc-text-dim);
    line-height: 1.4;
}

.cc-recent-list {
    display: flex;
    flex-direction: column;
    gap: 6px;
    max-width: 680px;
}

.cc-recent-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 9px 12px;
    background: var(--cc-chrome-dark);
    border: 1px solid var(--cc-border);
    border-radius: 4px;
    cursor: pointer;
}

.cc-recent-row:hover {
    background: var(--cc-control-hover);
}

/* ==========================================================================
   6. Status Bar (chrome.rs status_bar)
   ========================================================================== */
#cc-statusbar {
    height: 26px;
    background: var(--cc-chrome);
    border-top: 1px solid var(--cc-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 8px;
    flex-shrink: 0;
    z-index: 400;
}

.cc-sb-left {
    display: flex;
    align-items: center;
    gap: 2px;
    height: 100%;
    overflow: hidden;
}

.cc-layout-tab {
    height: 22px;
    padding: 0 12px;
    border-radius: 2px;
    display: inline-flex;
    align-items: center;
    color: var(--cc-text-dim);
    font-size: 12px;
    cursor: pointer;
    white-space: nowrap;
}

.cc-layout-tab:hover {
    background: var(--cc-control);
    color: var(--cc-text);
}

.cc-layout-tab.active {
    background: var(--cc-tab-active);
    color: var(--cc-text);
    font-weight: 600;
}

.cc-sb-center {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-left: auto;
    margin-right: 12px;
}

#cc-coord-readout {
    font-family: "Consolas", "SFMono-Regular", monospace;
    font-size: 12px;
    color: var(--cc-text);
    min-width: 195px;
    text-align: right;
    padding: 2px 6px;
    background: var(--cc-chrome-dark);
    border-radius: 2px;
    border: 1px solid var(--cc-border);
}

#cc-coord-readout.warn {
    color: var(--cc-warn);
}

.cc-sb-pill {
    height: 20px;
    padding: 0 8px;
    border-radius: 3px;
    background: rgba(61, 139, 253, 0.22);
    color: var(--cc-text);
    border: 1px solid var(--cc-border);
    font-size: 11px;
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.cc-sb-pill:hover {
    background: var(--cc-control-hover);
}

.cc-sb-right {
    display: flex;
    align-items: center;
    gap: 3px;
    flex-shrink: 0;
}

.cc-sb-toggle {
    min-width: 28px;
    width: auto;
    height: 20px;
    padding: 0 7px;
    border-radius: 3px;
    border: 1px solid transparent;
    background: rgba(255, 255, 255, 0.04);
    color: var(--cc-text-dim);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    font-size: 10.5px;
    font-weight: 600;
    letter-spacing: 0.2px;
    white-space: nowrap;
    cursor: pointer;
    position: relative;
    transition: background 0.12s, color 0.12s, border-color 0.12s;
}

.cc-sb-toggle:hover {
    background: var(--cc-control-hover);
    color: var(--cc-text);
    border-color: var(--cc-border);
}

.cc-sb-toggle.on {
    background: rgba(61, 139, 253, 0.28);
    border-color: rgba(61, 139, 253, 0.55);
    color: #ffffff;
}

.cc-sb-toggle.on::after {
    content: "";
    position: absolute;
    left: 4px;
    right: 4px;
    bottom: 1px;
    height: 2px;
    background: var(--cc-toggle-on);
    border-radius: 1px;
}

.cc-sb-toggle svg {
    width: 13px;
    height: 13px;
    flex-shrink: 0;
}

/* Custom Scrollbars */
::-webkit-scrollbar {
    width: 7px;
    height: 7px;
}
::-webkit-scrollbar-track {
    background: var(--cc-chrome-dark);
}
::-webkit-scrollbar-thumb {
    background: var(--cc-control);
    border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--cc-control-hover);
}