:root{--bg-pure-black: #000000;--bg-surface: #0a0a0a;--bg-surface-elevated: #121212;--bg-surface-hover: #1a1a1a;--red-1: #5C0011;--red-2: #800020;--red-3: #A00030;--red-4: #C11236;--red-5: #E32636;--red-6: #FF334F;--red-7: #FF667A;--text-primary: #FFFFFF;--text-secondary: #B0A0A4;--text-muted: #665558;--text-danger: #FF4D6A;--border-subtle: #240a10;--border-active: #5C0011;--border-highlight: #A00030;--font-serif: "Cinzel", "Noto Serif", Georgia, serif;--font-sans: "Inter", "Noto Sans Bengali", "Noto Sans Devanagari", "Noto Sans JP", system-ui, -apple-system, sans-serif;--space-xs: 4px;--space-sm: 8px;--space-md: 16px;--space-lg: 24px;--space-xl: 32px;--space-2xl: 48px;--radius-sm: 2px;--radius-md: 4px;--transition-fast: .15s ease;--transition-normal: .25s ease;--transition-slow: .4s ease}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body,#root{width:100%;height:100%;min-height:100dvh;background-color:var(--bg-pure-black);color:var(--text-primary);font-family:var(--font-sans);font-size:14px;line-height:1.5;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:hidden}a{color:var(--red-5);text-decoration:none;transition:color var(--transition-fast)}a:hover{color:var(--red-6)}.wordmark{font-family:var(--font-serif);font-weight:400;letter-spacing:.15em;text-transform:lowercase;color:var(--text-primary)}.subtle-spinner{width:24px;height:24px;border:2px solid var(--border-subtle);border-top-color:var(--red-5);border-radius:50%;animation:spin .9s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.auth-loading-screen,.heart-loading-screen,.admin-loading-screen{width:100%;height:100dvh;display:flex;align-items:center;justify-content:center;background-color:var(--bg-pure-black)}.action-btn{display:inline-flex;align-items:center;justify-content:center;padding:8px 16px;font-family:var(--font-sans);font-size:13px;font-weight:500;letter-spacing:.02em;border-radius:var(--radius-sm);cursor:pointer;border:1px solid transparent;transition:all var(--transition-fast);outline:none;text-decoration:none}.action-btn:focus-visible{outline:2px solid var(--red-5);outline-offset:2px}.action-btn:disabled{opacity:.4;cursor:not-allowed}.action-btn-primary{background-color:var(--red-4);color:#fff;border-color:var(--red-4)}.action-btn-primary:hover:not(:disabled){background-color:var(--red-5);border-color:var(--red-5)}.action-btn-secondary{background-color:transparent;color:var(--text-primary);border-color:var(--border-active)}.action-btn-secondary:hover:not(:disabled){background-color:var(--bg-surface-elevated);border-color:var(--red-4)}.action-btn-preview{background-color:transparent;color:var(--red-6);border-color:var(--red-3)}.action-btn-preview:hover:not(:disabled){background-color:#e326361a;border-color:var(--red-5)}.action-btn-danger{background-color:transparent;color:var(--text-danger);border-color:#ff4d6a4d}.action-btn-danger:hover:not(:disabled){background-color:#ff4d6a1f;border-color:var(--text-danger)}.btn-link{background:none;border:none;padding:0;color:var(--red-5);font-family:inherit;font-size:12px;cursor:pointer;text-decoration:none}.btn-link:hover{color:var(--red-6);text-decoration:underline}.btn-link.btn-muted{color:var(--text-muted)}.btn-link.btn-danger{color:var(--text-danger)}.status-pill{display:inline-block;padding:3px 8px;font-size:11px;font-weight:500;text-transform:uppercase;letter-spacing:.05em;border-radius:var(--radius-sm);border:1px solid transparent;cursor:pointer}.status-pill.status-active{background-color:#c1123626;color:var(--red-6);border-color:var(--border-active)}.status-pill.status-disabled{background-color:#ffffff0a;color:var(--text-muted);border-color:#ffffff14}.status-pill.status-subtle{background-color:transparent;color:var(--text-secondary);border-color:var(--border-subtle)}.notice-banner{padding:10px 14px;margin-bottom:var(--space-md);font-size:13px;border-radius:var(--radius-sm);border:1px solid}.banner-success{background-color:#c1123614;border-color:var(--red-3);color:#ffa3af}.banner-danger{background-color:#ff4d6a1a;border-color:#ff4d6a66;color:#ff8096}.page-not-found{min-height:100dvh;display:flex;align-items:center;justify-content:center;background-color:var(--bg-pure-black)}.not-found-card{text-align:center;display:flex;flex-direction:column;align-items:center;gap:var(--space-md)}.not-found-card .wordmark{font-size:48px;color:var(--red-5)}.not-found-text{color:var(--text-secondary)}.page-login{min-height:100dvh;display:flex;align-items:center;justify-content:center;background-color:var(--bg-pure-black);padding:var(--space-md)}.login-wrapper{width:100%;max-width:360px}.login-card{background-color:var(--bg-pure-black);border:1px solid var(--border-subtle);border-radius:var(--radius-md);padding:var(--space-xl) var(--space-lg);display:flex;flex-direction:column;gap:var(--space-lg);box-shadow:0 8px 32px #000c}.login-header{text-align:center;margin-bottom:var(--space-xs)}.login-header .wordmark{font-size:32px;color:var(--red-5);letter-spacing:.2em}.login-form{display:flex;flex-direction:column;gap:var(--space-md)}.form-field{display:flex;flex-direction:column;gap:var(--space-xs)}.form-field label{font-size:11px;text-transform:uppercase;letter-spacing:.08em;color:var(--text-muted)}.label-with-action{display:flex;align-items:center;justify-content:space-between}.text-toggle-btn{background:none;border:none;color:var(--text-muted);font-size:11px;cursor:pointer;letter-spacing:.05em;text-transform:uppercase;transition:color var(--transition-fast)}.text-toggle-btn:hover{color:var(--red-5)}.form-field input{width:100%;padding:10px 12px;background-color:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--radius-sm);color:var(--text-primary);font-family:inherit;font-size:14px;transition:border-color var(--transition-fast),background-color var(--transition-fast);outline:none}.form-field input:focus{border-color:var(--red-4);background-color:var(--bg-surface-elevated)}.form-field input:disabled{opacity:.5;cursor:not-allowed}.submit-btn{width:100%;padding:11px 16px;margin-top:var(--space-xs);background-color:var(--red-4);color:#fff;border:1px solid var(--red-4);border-radius:var(--radius-sm);font-family:inherit;font-size:13px;font-weight:500;letter-spacing:.08em;text-transform:uppercase;cursor:pointer;transition:background-color var(--transition-fast),border-color var(--transition-fast);outline:none}.submit-btn:hover:not(:disabled){background-color:var(--red-5);border-color:var(--red-5)}.submit-btn:focus-visible{outline:2px solid var(--red-6);outline-offset:2px}.submit-btn:disabled{opacity:.5;cursor:not-allowed}.form-error{padding:8px 12px;background-color:#ff4d6a14;border:1px solid rgba(255,77,106,.3);border-radius:var(--radius-sm);color:#ff8096;font-size:12px}.page-heart{position:relative;width:100vw;height:100dvh;min-height:100dvh;background-color:var(--bg-pure-black);overflow:hidden;display:flex;flex-direction:column}.heart-viewport{flex:1;width:100%;height:100%;position:relative;background-color:var(--bg-pure-black);display:flex;align-items:center;justify-content:center}.heart-container{position:relative;width:100%;height:100%;max-width:100%;max-height:100%;background-color:var(--bg-pure-black);display:flex;align-items:center;justify-content:center;-webkit-user-select:none;user-select:none}.heart-container.visible{visibility:visible;opacity:1}.heart-container.measuring{visibility:hidden;opacity:0}.heart-stage{position:relative;overflow:visible}.heart-phrase{display:inline-block;white-space:nowrap;line-height:1.1;font-family:var(--font-sans);font-weight:400;letter-spacing:.02em;transform:none!important;cursor:default;transition:opacity var(--transition-fast),color var(--transition-fast);outline:none}.heart-phrase:hover,.heart-phrase:focus{color:#fff!important;text-shadow:0 0 8px rgba(255,51,79,.6);z-index:10}.phrase-highlight{font-weight:500}.phrase-nickname{letter-spacing:.04em}.heart-status-bar{position:absolute;bottom:24px;left:50%;transform:translate(-50%);background-color:#0a0a0ad9;border:1px solid var(--border-subtle);border-radius:var(--radius-sm);padding:6px 14px;display:flex;align-items:center;gap:var(--space-sm);font-size:12px;pointer-events:none;z-index:20}.status-text{color:#fff}.status-meta{color:var(--red-6);font-size:10px;text-transform:uppercase;letter-spacing:.08em}.viewer-controls{position:absolute;top:18px;right:20px;z-index:50}.viewer-controls-inner{display:flex;align-items:center;gap:12px}.control-btn{background:transparent;border:none;color:var(--text-muted);font-family:var(--font-sans);font-size:11px;text-transform:uppercase;letter-spacing:.08em;padding:6px 10px;border-radius:var(--radius-sm);cursor:pointer;transition:color var(--transition-fast),background-color var(--transition-fast);text-decoration:none}.control-btn:hover{color:var(--text-primary);background-color:#ffffff0d}.control-btn-logout:hover{color:var(--red-6)}.heart-container.visible .heart-phrase{animation:phrasePhaseIn .7s cubic-bezier(.16,1,.3,1) both}.animate-gentle.visible .heart-phrase{animation:phrasePhaseIn .95s cubic-bezier(.16,1,.3,1) both}.animate-none.visible .heart-phrase{animation:none!important;opacity:1!important}@keyframes phrasePhaseIn{0%{opacity:0;text-shadow:0 0 10px rgba(255,51,79,.75)}35%{opacity:.7;text-shadow:0 0 6px rgba(255,51,79,.4)}to{opacity:1;text-shadow:none}}@media(prefers-reduced-motion:reduce){.heart-container,.heart-container.visible .heart-phrase,.animate-subtle .heart-phrase,.animate-gentle .heart-phrase{animation:none!important;transition:none!important;opacity:1!important}}.admin-layout{min-height:100dvh;background-color:var(--bg-pure-black);color:var(--text-primary);display:flex;flex-direction:column}.admin-header{position:sticky;top:0;z-index:100;background-color:#000000f2;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-bottom:1px solid var(--border-subtle)}.admin-header-main{max-width:1200px;margin:0 auto;padding:12px 20px;display:flex;align-items:center;justify-content:space-between;gap:var(--space-md)}.admin-brand{display:flex;align-items:center;gap:var(--space-sm)}.admin-brand-link{font-family:var(--font-serif);font-size:20px;color:var(--red-5);letter-spacing:.15em;text-decoration:none}.admin-badge{font-size:9px;text-transform:uppercase;letter-spacing:.1em;padding:2px 6px;background-color:#c1123626;color:var(--red-6);border:1px solid var(--border-active);border-radius:var(--radius-sm)}.admin-nav-tabs{display:flex;align-items:center;gap:4px}.nav-tab-btn{background:none;border:none;color:var(--text-muted);font-family:inherit;font-size:13px;font-weight:500;padding:6px 12px;border-radius:var(--radius-sm);cursor:pointer;transition:all var(--transition-fast)}.nav-tab-btn:hover{color:var(--text-primary);background-color:var(--bg-surface-elevated)}.nav-tab-btn.active{color:#fff;background-color:#c1123626;border-bottom:2px solid var(--red-5)}.admin-header-actions{display:flex;align-items:center;gap:var(--space-sm)}.admin-main-content{flex:1;max-width:1200px;width:100%;margin:0 auto;padding:var(--space-xl) var(--space-md)}.admin-section{display:flex;flex-direction:column;gap:var(--space-lg)}.section-header{display:flex;flex-direction:column;gap:var(--space-xs)}.section-header h2{font-size:22px;font-weight:500;letter-spacing:.02em;color:#fff}.section-description{font-size:13px;color:var(--text-secondary)}.sub-tabs-bar{display:flex;gap:var(--space-sm);margin-top:var(--space-sm);border-bottom:1px solid var(--border-subtle);padding-bottom:var(--space-xs)}.sub-tab-btn{background:none;border:none;color:var(--text-muted);font-family:inherit;font-size:13px;padding:6px 14px;cursor:pointer;border-radius:var(--radius-sm);transition:all var(--transition-fast)}.sub-tab-btn.active{background-color:var(--bg-surface-elevated);color:var(--text-primary);border-left:2px solid var(--red-5)}.stats-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:var(--space-md)}.stat-card{background-color:var(--bg-pure-black);border:1px solid var(--border-subtle);border-radius:var(--radius-sm);padding:var(--space-md);display:flex;flex-direction:column;gap:var(--space-xs);cursor:pointer;transition:border-color var(--transition-fast),background-color var(--transition-fast)}.stat-card:hover{border-color:var(--border-active);background-color:var(--bg-surface)}.stat-label{font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:var(--text-muted)}.stat-value{font-size:26px;font-weight:500;color:var(--red-6);font-family:var(--font-serif)}.stat-value.text-small{font-size:15px;font-family:var(--font-sans);color:var(--text-primary)}.stat-sub{font-size:11px;color:var(--text-secondary)}.overview-cta-box{background-color:var(--bg-surface);border:1px solid var(--border-active);border-radius:var(--radius-sm);padding:var(--space-lg);display:flex;align-items:center;justify-content:space-between;gap:var(--space-md)}.cta-info h3{font-size:16px;font-weight:500;margin-bottom:4px}.cta-info p{font-size:13px;color:var(--text-secondary)}.section-toolbar{display:flex;flex-direction:column;gap:var(--space-sm);margin-bottom:var(--space-md)}.add-item-form{display:flex;gap:var(--space-sm)}.input-field{padding:8px 12px;background-color:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--radius-sm);color:var(--text-primary);font-family:inherit;font-size:13px;outline:none;transition:border-color var(--transition-fast)}.input-field:focus{border-color:var(--red-4)}.phrase-input{flex:3}.lang-input,.search-input{flex:1}.select-field{padding:8px 12px;background-color:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--radius-sm);color:var(--text-primary);font-family:inherit;font-size:13px;outline:none}.select-field:focus{border-color:var(--red-4)}.filters-row{display:flex;gap:var(--space-sm)}.form-error-inline{color:var(--text-danger);font-size:12px;margin-top:4px}.table-responsive{width:100%;overflow-x:auto;border:1px solid var(--border-subtle);border-radius:var(--radius-sm)}.admin-data-table{width:100%;border-collapse:collapse;text-align:left;font-size:13px}.admin-data-table th{background-color:var(--bg-surface);color:var(--text-muted);font-size:11px;text-transform:uppercase;letter-spacing:.06em;padding:10px 14px;border-bottom:1px solid var(--border-subtle);white-space:nowrap}.admin-data-table td{padding:10px 14px;border-bottom:1px solid rgba(255,255,255,.04)}.admin-data-table tr:hover{background-color:#ffffff05}.admin-data-table tr.row-inactive{opacity:.5}.admin-data-table tr.row-current{background-color:#c112360d}.cell-text{color:var(--text-primary);font-weight:400}.cell-lang .lang-tag{font-size:11px;color:var(--red-6);background-color:#c112361a;padding:2px 6px;border-radius:var(--radius-sm)}.cell-meta{color:var(--text-muted);font-size:12px;white-space:nowrap}.cell-actions{white-space:nowrap}.action-buttons-group{display:flex;align-items:center;gap:var(--space-sm)}.empty-state{text-align:center;padding:var(--space-2xl)!important;color:var(--text-muted)}.accounts-cards-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:var(--space-md)}.account-card{background-color:var(--bg-pure-black);border:1px solid var(--border-subtle);border-radius:var(--radius-sm);padding:var(--space-md);display:flex;flex-direction:column;gap:var(--space-md)}.account-card-header{display:flex;justify-content:space-between;align-items:flex-start}.role-badge{font-size:10px;text-transform:uppercase;letter-spacing:.08em;padding:2px 6px;border-radius:var(--radius-sm);margin-bottom:4px;display:inline-block}.role-badge.role-admin{background-color:#c1123626;color:var(--red-6);border:1px solid var(--border-active)}.role-badge.role-viewer{background-color:#ffffff0f;color:var(--text-secondary);border:1px solid rgba(255,255,255,.1)}.account-email{font-size:16px;font-weight:500;color:#fff}.account-details{display:flex;flex-direction:column;gap:6px;border-top:1px solid var(--border-subtle);border-bottom:1px solid var(--border-subtle);padding:var(--space-sm) 0}.detail-row{display:flex;justify-content:space-between;font-size:12px}.detail-label{color:var(--text-muted)}.detail-val{color:var(--text-secondary)}.account-actions{display:flex;gap:var(--space-sm)}.settings-form{display:flex;flex-direction:column;gap:var(--space-lg)}.settings-card{background-color:var(--bg-pure-black);border:1px solid var(--border-subtle);border-radius:var(--radius-sm);padding:var(--space-lg);display:flex;flex-direction:column;gap:var(--space-md)}.settings-card h3{font-size:16px;font-weight:500}.card-hint{font-size:12px;color:var(--text-secondary);margin-top:-6px}.ratio-display-bar{display:flex;height:32px;border-radius:var(--radius-sm);overflow:hidden;border:1px solid var(--border-subtle);font-size:12px;font-weight:500}.ratio-bar-love{background-color:var(--red-3);color:#fff;display:flex;align-items:center;justify-content:center;transition:width var(--transition-fast)}.ratio-bar-nick{background-color:var(--red-1);color:#ffa3af;display:flex;align-items:center;justify-content:center;transition:width var(--transition-fast)}.range-input{width:100%;accent-color:var(--red-5);cursor:pointer;margin-top:6px}.slider-labels{display:flex;justify-content:space-between;font-size:11px;color:var(--text-muted);margin-top:4px}.form-grid-2{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-md)}.palette-preview-row{display:flex;gap:var(--space-xs);flex-wrap:wrap}.palette-chip{flex:1;min-width:60px;height:48px;border-radius:var(--radius-sm);display:flex;align-items:flex-end;padding:4px;border:1px solid rgba(255,255,255,.1)}.chip-code{font-size:9px;font-family:monospace;color:#fff;text-shadow:0 1px 2px rgba(0,0,0,.9)}.checkboxes-stack{display:flex;flex-direction:column;gap:var(--space-sm);justify-content:center}.checkbox-label{display:flex;align-items:center;gap:var(--space-sm);font-size:13px;color:var(--text-primary);cursor:pointer}.checkbox-label input{accent-color:var(--red-5);width:16px;height:16px}.field-hint{font-size:11px;color:var(--text-muted)}.settings-form-actions{display:flex;justify-content:flex-end;gap:var(--space-md);padding-top:var(--space-md);border-top:1px solid var(--border-subtle)}.admin-modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background-color:#000000d9;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:200;display:flex;align-items:center;justify-content:center;padding:var(--space-md)}.admin-modal-card{background-color:var(--bg-pure-black);border:1px solid var(--border-subtle);border-radius:var(--radius-md);width:100%;max-width:440px;padding:var(--space-lg);display:flex;flex-direction:column;gap:var(--space-md)}.modal-header{display:flex;justify-content:space-between;align-items:center}.modal-header h3{font-size:16px;font-weight:500}.close-btn{background:none;border:none;color:var(--text-muted);font-size:12px;cursor:pointer}.close-btn:hover{color:var(--text-primary)}.modal-actions{display:flex;justify-content:flex-end;gap:var(--space-sm);margin-top:var(--space-sm)}.preview-modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background-color:var(--bg-pure-black);z-index:300;display:flex;flex-direction:column}.preview-modal-bar{display:flex;align-items:center;justify-content:space-between;padding:12px 24px;background-color:#0a0a0af2;border-bottom:1px solid var(--border-subtle)}.preview-title{font-weight:500;color:#fff;margin-right:var(--space-md)}.preview-meta{font-size:12px;color:var(--text-muted)}.preview-bar-right{display:flex;gap:var(--space-sm)}.preview-stage-container{flex:1;position:relative;background-color:var(--bg-pure-black);overflow:hidden}.backup-cards-grid{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-lg)}.export-buttons-stack{display:flex;flex-direction:column;gap:var(--space-sm)}.export-download-btn{text-align:center}.textarea-field{width:100%;padding:8px 12px;background-color:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--radius-sm);color:var(--text-primary);font-family:monospace;font-size:12px;outline:none}.textarea-field:focus{border-color:var(--red-4)}.file-input{color:var(--text-muted);font-size:12px}@media(max-width:640px){.admin-header-main{flex-direction:column;align-items:stretch;gap:var(--space-sm);padding:10px 14px}.admin-nav-tabs{overflow-x:auto;padding-bottom:4px;scrollbar-width:none}.admin-nav-tabs::-webkit-scrollbar{display:none}.admin-header-actions{justify-content:flex-end}.admin-main-content{padding:var(--space-md) var(--space-sm)}.form-grid-2,.backup-cards-grid{grid-template-columns:1fr}.add-item-form{flex-direction:column}.overview-cta-box{flex-direction:column;align-items:stretch}.viewer-controls{top:12px;right:12px}.control-btn{padding:4px 8px;font-size:10px}.login-card{padding:var(--space-lg) var(--space-md)}}@media(min-width:641px)and (max-width:1024px){.admin-main-content{padding:var(--space-lg) var(--space-md)}.backup-cards-grid{grid-template-columns:1fr}}@media(min-aspect-ratio:21/9){.heart-viewport{max-width:1600px;margin:0 auto}.heart-container{max-width:1400px;margin:0 auto}}@media(min-width:2560px){:root{font-size:18px}.login-wrapper{max-width:480px}.login-header .wordmark{font-size:48px}.admin-header-main,.admin-main-content{max-width:1800px}.stat-value{font-size:36px}}@media(max-height:540px){.viewer-controls{top:8px;right:8px}.heart-status-bar{bottom:8px;padding:3px 10px;font-size:10px}.login-card{padding:var(--space-md);gap:var(--space-sm)}.login-header .wordmark{font-size:24px}}