@tailwind base;@tailwind components;@tailwind utilities;:root{--font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-mono: "JetBrains Mono", "Fira Code", monospace;--bg-main: #f4f6fb;--bg-surface: #ffffff;--bg-surface-elevated: #ffffff;--bg-surface-subtle: #f8fafc;--bg-surface-hover: #f1f5f9;--bg-menu: rgba(255, 255, 255, .95);--border-color: #e2e8f0;--border-subtle: #edf2f7;--border-focus: #3b82f6;--text-primary: #0f172a;--text-secondary: #475569;--text-muted: #94a3b8;--primary: #0f62fe;--primary-hover: #0043ce;--primary-light: #edf5ff;--primary-glow: rgba(15, 98, 254, .2);--primary-gradient: linear-gradient(135deg, #0f62fe 0%, #6366f1 100%);--accent: #8b5cf6;--accent-light: #f5f3ff;--success: #10b981;--success-light: #ecfdf5;--warning: #f59e0b;--warning-light: #fffbeb;--danger: #ef4444;--danger-light: #fef2f2;--grid-header-bg: #f1f5f9;--grid-header-text: #334155;--grid-border: #e2e8f0;--grid-cell-hover: #f8fafc;--grid-cell-selected: #ebf5ff;--grid-cell-border-active: #0f62fe;--output-bg: #f8fafc;--output-card-bg: #ffffff;--output-border: #e2e8f0;--shadow-xs: 0 1px 2px rgba(0, 0, 0, .04);--shadow-sm: 0 1px 3px rgba(0, 0, 0, .06), 0 1px 2px rgba(0, 0, 0, .04);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .08), 0 2px 4px -1px rgba(0, 0, 0, .04);--shadow-lg: 0 10px 25px -5px rgba(0, 0, 0, .08), 0 8px 10px -6px rgba(0, 0, 0, .04);--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .1), 0 10px 10px -5px rgba(0, 0, 0, .04);--shadow-modal: 0 25px 50px -12px rgba(15, 23, 42, .25)}.dark{--bg-main: #0b0f19;--bg-surface: #111827;--bg-surface-elevated: #1a2234;--bg-surface-subtle: #161f30;--bg-surface-hover: #1e293b;--bg-menu: rgba(17, 24, 39, .95);--border-color: #283548;--border-subtle: #1e293b;--border-focus: #60a5fa;--text-primary: #f8fafc;--text-secondary: #94a3b8;--text-muted: #64748b;--primary: #3b82f6;--primary-hover: #60a5fa;--primary-light: rgba(59, 130, 246, .16);--primary-glow: rgba(59, 130, 246, .25);--primary-gradient: linear-gradient(135deg, #3b82f6 0%, #818cf8 100%);--accent: #a855f7;--accent-light: rgba(168, 85, 247, .15);--success: #34d399;--success-light: rgba(52, 211, 153, .15);--warning: #fbbf24;--warning-light: rgba(251, 191, 36, .15);--danger: #f87171;--danger-light: rgba(248, 113, 113, .15);--grid-header-bg: #161f30;--grid-header-text: #e2e8f0;--grid-border: #283548;--grid-cell-hover: #1e293b;--grid-cell-selected: #1e3a8a;--grid-cell-border-active: #60a5fa;--output-bg: #0b0f19;--output-card-bg: #111827;--output-border: #283548;--shadow-xs: 0 1px 2px rgba(0, 0, 0, .3);--shadow-sm: 0 1px 3px rgba(0, 0, 0, .4);--shadow-md: 0 4px 12px rgba(0, 0, 0, .4);--shadow-lg: 0 12px 28px rgba(0, 0, 0, .5);--shadow-xl: 0 20px 35px rgba(0, 0, 0, .6);--shadow-modal: 0 25px 60px -12px rgba(0, 0, 0, .85)}*{box-sizing:border-box;margin:0;padding:0;-webkit-user-select:none;user-select:none}body{font-family:var(--font-sans);background-color:var(--bg-main);color:var(--text-primary);overflow:hidden;height:100vh;width:100vw;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}input,textarea,select{-webkit-user-select:text;user-select:text;font-family:inherit}::-webkit-scrollbar{width:7px;height:7px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border-color);border-radius:6px}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}.app-container{display:flex;flex-direction:column;height:100vh;width:100vw;background-color:var(--bg-main)}.top-nav-bar{background:var(--bg-surface);border-bottom:1px solid var(--border-color);display:flex;flex-direction:column;z-index:200;box-shadow:var(--shadow-sm);flex-shrink:0;position:relative}.nav-main-row{display:flex;align-items:center;height:40px;padding:0 12px;gap:0;overflow:visible}.nav-sep{width:1px;height:18px;background:var(--border-color);margin:0 10px;flex-shrink:0}.brand-logo{display:flex;align-items:center;gap:8px;flex-shrink:0;cursor:default}.brand-logo-img{width:22px;height:22px;object-fit:contain;flex-shrink:0;filter:drop-shadow(0 1px 2px rgba(0,0,0,.15))}.brand-wordmark{display:flex;align-items:baseline;gap:3px;letter-spacing:-.03em;line-height:1}.brand-word-open{font-size:.95rem;font-weight:300;color:var(--text-secondary);letter-spacing:-.01em}.brand-word-spss{font-size:1.05rem;font-weight:800;background:var(--primary-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;letter-spacing:-.04em}.brand-badge{font-size:.68rem;font-weight:600;color:var(--text-muted);background:var(--bg-surface-subtle);border:1px solid var(--border-color);border-radius:4px;padding:1px 6px;letter-spacing:.03em;text-transform:uppercase}.nav-author-badge{display:inline-flex;align-items:center;gap:4px;padding:3px 8px;border-radius:6px;background:var(--bg-surface-subtle);border:1px solid var(--border-color);font-size:.72rem;text-decoration:none;transition:all .15s ease;white-space:nowrap}.nav-author-badge .author-prefix{color:var(--text-muted)}.nav-author-badge .author-handle{color:var(--primary);font-weight:600}.nav-author-badge:hover{background:var(--primary-light);border-color:var(--primary)}.menu-bar-inline{display:flex;align-items:center;gap:1px;flex:1;min-width:0}.nav-right-utils{display:flex;align-items:center;gap:6px;flex-shrink:0;margin-left:8px}.dataset-chip{display:flex;align-items:center;gap:6px;padding:3px 8px;background:var(--bg-surface-subtle);border:1px solid var(--border-color);border-radius:5px;font-size:.74rem;color:var(--text-secondary);white-space:nowrap}.ds-name{font-weight:700;color:var(--text-primary);max-width:110px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.ds-meta{font-size:.68rem;color:var(--text-muted);background:var(--bg-surface-hover);border-radius:3px;padding:0 4px}.nav-cta{font-size:.74rem;padding:4px 10px;gap:4px;white-space:nowrap}.menu-item{position:relative;padding:3px 9px;border-radius:5px;cursor:pointer;color:var(--text-secondary);transition:all .13s ease;font-weight:500;font-size:.8rem;white-space:nowrap;height:28px;display:flex;align-items:center}.menu-item:hover,.menu-item.active{background-color:var(--primary-light);color:var(--primary)}.dropdown-shortcut{color:var(--text-muted);font-size:.71rem;font-weight:400}.dropdown-menu{position:absolute;top:calc(100% + 4px);left:0;min-width:240px;background:var(--bg-surface);border:1px solid var(--border-color);border-radius:10px;box-shadow:var(--shadow-xl),0 0 0 1px #0000000a;padding:5px 0;z-index:1000;pointer-events:all;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);animation:dropdownFade .14s cubic-bezier(.16,1,.3,1);overflow:hidden}@keyframes dropdownFade{0%{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}.dropdown-item{padding:6px 14px;display:flex;align-items:center;justify-content:space-between;gap:8px;font-size:.8rem;color:var(--text-primary);cursor:pointer;transition:background-color .1s ease,color .1s ease;outline:none;border:none;background:none;width:100%;text-align:left;-webkit-user-select:none;user-select:none}.dropdown-item:hover,.dropdown-item:focus-visible{background-color:var(--primary-light);color:var(--primary)}.dropdown-item.disabled{opacity:.4;cursor:not-allowed;pointer-events:none}.dropdown-divider{height:1px;background-color:var(--border-subtle);margin:5px 0}.dropdown-section-header{padding:5px 14px 2px;font-size:.68rem;font-weight:700;color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em}.action-toolbar{display:flex;align-items:center;gap:6px;padding:4px 12px;background:var(--bg-surface);border-bottom:1px solid var(--border-color);position:relative;z-index:1;flex-shrink:0;overflow-x:auto;overflow-y:visible}.tool-group{display:flex;align-items:center;gap:2px;background:var(--bg-surface-subtle);padding:2px 4px;border-radius:8px;border:1px solid var(--border-subtle);flex-shrink:0}.tool-btn{display:inline-flex;align-items:center;justify-content:center;gap:4px;padding:4px 8px;background:transparent;border:1px solid transparent;border-radius:6px;color:var(--text-secondary);cursor:pointer;transition:all .14s ease;font-size:.75rem;font-weight:600;white-space:nowrap;height:26px}.tool-btn:hover{background:var(--bg-surface);border-color:var(--border-color);color:var(--text-primary);box-shadow:var(--shadow-xs)}.tool-btn:active{transform:translateY(.5px)}.tool-btn.active{background:var(--primary-light);border-color:var(--primary);color:var(--primary);font-weight:700}.tool-btn-accent{color:var(--primary)}.tool-divider{width:1px;height:16px;background:var(--border-color);margin:0 2px;flex-shrink:0}.modern-footer-dock{display:flex;flex-direction:column;background:var(--bg-surface);border-top:1px solid var(--border-color);z-index:50;flex-shrink:0;box-shadow:0 -1px 3px #0000000a}.footer-view-tabs{display:flex;align-items:center;gap:3px;padding:0 10px;border-bottom:1px solid var(--border-subtle);height:30px}.footer-tab-btn{display:inline-flex;align-items:center;gap:5px;padding:3px 10px;border-radius:6px;border:1px solid transparent;background:transparent;font-size:.75rem;font-weight:600;color:var(--text-secondary);cursor:pointer;transition:all .12s ease;height:24px}.footer-tab-btn:hover{background:var(--bg-surface-subtle);color:var(--text-primary)}.footer-tab-btn.active{background:var(--primary-light);border-color:var(--primary);color:var(--primary);font-weight:700}.footer-tab-badge{font-size:.65rem;font-weight:700;padding:0 5px;border-radius:10px;background:var(--primary);color:#fff;line-height:14px;height:14px}.footer-status-gutter{display:flex;align-items:center;justify-content:space-between;gap:8px;font-size:.72rem;color:var(--text-secondary);padding:0 12px;height:26px;background:var(--bg-surface-subtle);border-top:1px solid var(--border-subtle)}.footer-status-left,.footer-status-right{display:flex;align-items:center;gap:6px}.status-indicator-group{display:flex;align-items:center;gap:5px}.status-pulse-dot{width:6px;height:6px;border-radius:50%;background-color:#10b981;box-shadow:0 0 #10b981b3;animation:pulseGreen 2s infinite}.status-processor-text{font-weight:600;color:var(--text-secondary)}.dataset-indicator{display:flex;align-items:center;gap:4px}.dataset-label{color:var(--text-muted)}.dataset-name-text{font-weight:700;color:var(--text-primary);white-space:nowrap}.footer-divider{width:1px;height:12px;background:var(--border-color)}.metrics-group{display:flex;align-items:center;gap:6px}.metric-pill{color:var(--text-secondary)}.filter-group{display:flex;align-items:center;gap:4px}.flag-pill{padding:0 5px;border-radius:3px;background:var(--bg-surface-subtle);border:1px solid var(--border-subtle);font-size:.68rem;color:var(--text-muted);font-weight:500}.footer-sep{color:var(--text-muted);opacity:.5;-webkit-user-select:none;user-select:none}.footer-handle{font-weight:700;color:var(--primary);letter-spacing:.01em;opacity:.85}.spreadsheet-container{flex:1;display:flex;flex-direction:column;overflow:auto;background:var(--bg-surface);position:relative}.spss-grid-table{border-collapse:collapse;min-width:100%;width:max-content;table-layout:fixed;font-size:.81rem;font-family:var(--font-sans);font-variant-numeric:tabular-nums}.spss-grid-table th{background:var(--grid-header-bg);color:var(--grid-header-text);font-weight:600;padding:4px 8px;border:1px solid var(--grid-border);position:sticky;top:0;z-index:10;text-align:left;white-space:nowrap;letter-spacing:-.01em;height:36px;vertical-align:middle;box-shadow:0 1px 2px #0000000a}.grid-col-header:hover{background:var(--bg-surface-hover)}.col-header-name{font-weight:700;font-size:.78rem;color:var(--text-primary);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.measure-icon-badge{display:inline-flex;align-items:center;justify-content:center;width:17px;height:17px;border-radius:4px;font-size:9px;flex-shrink:0;cursor:help;transition:transform .1s ease}.measure-icon-badge:hover{transform:scale(1.15)}.measure-icon-badge.scale{background:#3b82f61f}.measure-icon-badge.ordinal{background:#10b9811f}.measure-icon-badge.nominal{background:#f59e0b1f}.add-var-header-btn{display:inline-flex;align-items:center;gap:3px;padding:2px 7px;border-radius:4px;border:1px dashed var(--border-color);background:transparent;color:var(--text-muted);font-size:.72rem;font-weight:600;cursor:pointer;transition:all .14s ease}.add-var-header-btn:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-light)}.spss-grid-table th.row-header{background:var(--grid-header-bg);position:sticky;left:0;z-index:20;text-align:center;width:44px;min-width:44px;font-size:.72rem;font-weight:600;color:var(--text-muted);border-right:2px solid var(--border-color)}.spss-grid-table td{padding:0 8px;border:1px solid var(--grid-border);color:var(--text-primary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;background:var(--bg-surface);height:26px;line-height:26px;position:relative;font-size:.81rem}.spss-grid-table tr:nth-child(2n) td{background:var(--bg-surface-subtle)}.spss-grid-table tr.grid-data-row:hover td{background-color:var(--grid-cell-hover)!important}.spss-grid-table td.cell-active{outline:2px solid var(--primary);outline-offset:-1px;background-color:var(--grid-cell-selected)!important;z-index:5;box-shadow:inset 0 0 0 1px #3b82f626}.cell-handle{position:absolute;right:-2px;bottom:-2px;width:6px;height:6px;background:var(--primary);border:1px solid white;border-radius:1px;pointer-events:none;z-index:6}.cell-editor-input{width:100%;height:100%;border:none;outline:none;background:transparent;color:inherit;font-size:inherit;font-family:inherit}.cell-empty-dot{color:var(--text-muted);opacity:.35;font-weight:700}.measure-chip{display:inline-flex;align-items:center;gap:3px;padding:1.5px 5px;border-radius:4px;font-size:.72rem;font-weight:600}.measure-chip-scale{background:var(--primary-light);color:var(--primary)}.measure-chip-ordinal{background:var(--success-light);color:var(--success)}.measure-chip-nominal{background:var(--warning-light);color:var(--warning)}.btn{padding:6px 14px;border-radius:6px;font-size:.8rem;font-weight:600;cursor:pointer;transition:all .15s cubic-bezier(.16,1,.3,1);display:inline-flex;align-items:center;gap:6px;border:1px solid transparent;outline:none}.btn-primary{background:var(--primary);color:#fff;box-shadow:0 1px 3px var(--primary-glow)}.btn-primary:hover:not(:disabled){background:var(--primary-hover);transform:translateY(-.5px);box-shadow:0 3px 8px var(--primary-glow)}.btn-primary:active:not(:disabled){transform:translateY(.5px)}.btn-primary:disabled{opacity:.45;cursor:not-allowed}.btn-secondary{background:var(--bg-surface);border-color:var(--border-color);color:var(--text-primary);box-shadow:var(--shadow-xs)}.btn-secondary:hover{background:var(--bg-surface-hover);border-color:var(--text-muted)}.dialog-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#0b0f19a6;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);display:flex;align-items:center;justify-content:center;z-index:9999;padding:16px;animation:modalBackdropFade .2s cubic-bezier(.16,1,.3,1)}.auth-popup-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#0b0f19b8;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);display:flex;align-items:center;justify-content:center;z-index:99999;padding:16px;animation:modalBackdropFade .2s cubic-bezier(.16,1,.3,1)}.auth-popup-card{background:var(--bg-surface);border:1px solid var(--border-color);border-radius:16px;box-shadow:0 25px 60px -12px #00000073,0 0 0 1px #ffffff14;width:440px;max-width:calc(100vw - 32px);max-height:calc(100vh - 48px);display:flex;flex-direction:column;overflow:hidden;animation:modernModalPop .25s cubic-bezier(.16,1,.3,1)}@keyframes modalBackdropFade{0%{opacity:0}to{opacity:1}}.spss-dialog.modern-modal{background:var(--bg-surface);border:1px solid var(--border-color);border-radius:14px;box-shadow:0 24px 60px -12px #00000059,0 0 0 1px #ffffff0d;width:740px;max-width:calc(100vw - 32px);max-height:calc(100vh - 48px);display:flex;flex-direction:column;overflow:hidden;animation:modernModalPop .25s cubic-bezier(.16,1,.3,1)}@keyframes modernModalPop{0%{transform:scale(.95) translateY(10px);opacity:0}to{transform:scale(1) translateY(0);opacity:1}}.modern-modal-header{display:flex;align-items:center;justify-content:space-between;padding:14px 20px;border-bottom:1px solid var(--border-color);background:var(--bg-surface-elevated);flex-shrink:0}.modal-icon-badge{width:34px;height:34px;border-radius:9px;background:var(--primary-light);color:var(--primary);display:flex;align-items:center;justify-content:center;flex-shrink:0;box-shadow:0 2px 6px var(--primary-glow)}.dialog-title{font-size:.98rem;font-weight:700;color:var(--text-primary);letter-spacing:-.01em;line-height:1.2}.dialog-subtitle{font-size:.73rem;color:var(--text-secondary);margin-top:1px}.modal-close-btn{display:flex;align-items:center;justify-content:center;width:30px;height:30px;border-radius:8px;border:none;background:transparent;color:var(--text-secondary);cursor:pointer;transition:all .15s ease}.modal-close-btn:hover{background:var(--bg-surface-hover);color:var(--text-primary)}.modern-modal-body{padding:18px 20px;overflow-y:auto;flex:1;display:flex;flex-direction:column;gap:16px}.modal-help-drawer{border:1px solid var(--border-subtle);border-radius:8px;background:var(--bg-surface-subtle);overflow:hidden;transition:all .2s ease}.modal-help-header{display:flex;align-items:center;justify-content:space-between;padding:8px 12px;cursor:pointer;-webkit-user-select:none;user-select:none}.modal-help-header:hover{background:var(--bg-surface-hover)}.modal-help-content{padding:10px 14px;border-top:1px solid var(--border-subtle);font-size:.78rem;color:var(--text-secondary);line-height:1.55}.modal-help-content p{margin:0 0 6px}.modal-help-content p:last-child{margin-bottom:0}.var-picker-canvas{display:flex;gap:12px;align-items:stretch;height:320px}.var-box{border:1.5px solid var(--border-color);border-radius:10px;background:var(--bg-surface);display:flex;flex-direction:column;overflow:hidden;box-shadow:var(--shadow-xs);transition:border-color .18s ease,box-shadow .18s ease}.var-box.source-box{flex:1.1}.var-box.target-box{flex:1;min-height:110px}.var-box.target-box.active-target{border-color:var(--primary);box-shadow:0 0 0 2px var(--primary-glow)}.var-box-header{display:flex;align-items:center;justify-content:space-between;padding:8px 12px;background:var(--bg-surface-subtle);border-bottom:1px solid var(--border-color);font-size:.74rem;font-weight:700;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.04em;flex-shrink:0}.var-box-count{font-size:.68rem;padding:1px 6px;border-radius:10px;background:var(--bg-surface-elevated);border:1px solid var(--border-color);color:var(--text-muted)}.var-single-pill{font-size:.65rem;padding:1px 5px;border-radius:4px;background:var(--warning-light);color:var(--warning);margin-left:6px;text-transform:none}.var-box-search{display:flex;align-items:center;gap:6px;padding:6px 10px;border-bottom:1px solid var(--border-subtle);background:var(--bg-surface);position:relative;flex-shrink:0}.var-search-icon{color:var(--text-muted)}.var-search-input{flex:1;border:none;background:transparent;font-size:.78rem;color:var(--text-primary);outline:none}.var-search-input::placeholder{color:var(--text-muted)}.var-search-clear{border:none;background:transparent;color:var(--text-muted);cursor:pointer;font-size:.72rem;padding:2px}.var-items-list{flex:1;overflow-y:auto;padding:4px;display:flex;flex-direction:column;gap:3px}.var-list-empty{padding:28px 16px;text-align:center;color:var(--text-muted);font-size:.76rem;font-style:italic}.var-target-placeholder{flex:1;display:flex;align-items:center;justify-content:center;text-align:center;padding:16px;border:1.5px dashed var(--border-subtle);border-radius:8px;margin:6px;color:var(--text-muted);font-size:.74rem}.var-item-card{display:flex;align-items:center;justify-content:space-between;padding:6px 10px;border-radius:6px;border:1px solid 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