@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap";:root{--color-bg:#fafafa;--color-surface:#fff;--color-border:#e5e5e5;--color-border-light:#f0f0f0;--color-text-primary:#1a1a1a;--color-text-secondary:#6b7280;--color-text-muted:#9ca3af;--color-btn-primary:#1a1a1a;--color-btn-primary-text:#fff;--color-btn-primary-hover:#374151;--color-word-a:#2563eb;--color-word-a-light:#dbeafe;--color-word-a-bg:#eff6ff;--color-word-b:#dc2626;--color-word-b-light:#fecaca;--color-word-b-bg:#fef2f2;--color-word-both:#7c3aed;--color-word-both-light:#ede9fe;--color-word-neutral:#6b7280;--color-word-neutral-light:#f3f4f6;--color-link-line:#2563eb;--color-gap-line:#d1d5db;--color-success:#059669;--color-success-light:#d1fae5;--color-link-row-linked:#059669;--color-link-row-linked-bg:#d1fae5;--color-link-row-linked-hover-bg:#c8f9e3;--sidebar-width:340px;--header-height:56px;--radius-sm:6px;--radius-md:10px;--radius-lg:16px;--radius-xl:24px;--shadow-sm:0 1px 2px #0000000a;--shadow-md:0 4px 12px #0000000f;--shadow-lg:0 8px 24px #00000014;--shadow-xl:0 16px 48px #0000001f;--transition-fast:.15s ease;--transition-normal:.25s ease;--transition-slow:.4s ease;--color-banner-bg-start:var(--color-word-both-light);--color-banner-bg-end:#f5f3ff;--color-banner-border:#e0d7fa;--color-banner-text:var(--color-word-both)}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;height:100vh;font-size:16px;overflow:hidden}body{background-color:var(--color-bg);color:var(--color-text-primary);width:100vw;height:100vh;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;line-height:1.5;overflow:hidden}#root{width:100vw;height:100vh;overflow:hidden}.app-layout{flex-direction:column;width:100vw;height:100vh;display:flex}.app-header{height:var(--header-height);border-bottom:1px solid var(--color-border);background:var(--color-surface);z-index:10;flex-shrink:0;justify-content:center;align-items:center;padding:0 20px;display:flex;position:relative}.app-header__logo{object-fit:contain;border-radius:8px;width:32px;height:32px;margin-right:12px}.app-header__title{letter-spacing:-.02em;color:var(--color-text-primary);font-size:1.4rem;font-weight:700}.app-header__subtitle{color:var(--color-text-muted);letter-spacing:.02em;margin-left:8px;font-size:.75rem;font-weight:400}.app-main{flex:1;display:flex;overflow:hidden}.sidebar{width:var(--sidebar-width);min-width:var(--sidebar-width);border-right:1px solid var(--color-border);background:var(--color-surface);flex-direction:column;flex-shrink:0;display:flex;overflow:hidden}.sidebar__section{border-bottom:1px solid var(--color-border-light);padding:20px}.sidebar__section:last-child{border-bottom:none}.sidebar__label{text-transform:uppercase;letter-spacing:.08em;color:var(--color-text-muted);margin-bottom:12px;font-size:.7rem;font-weight:600}.guess-form{gap:8px;display:flex}.guess-input{border:1.5px solid var(--color-border);border-radius:var(--radius-md);color:var(--color-text-primary);background:var(--color-bg);transition:border-color var(--transition-fast), box-shadow var(--transition-fast);outline:none;flex:1;padding:10px 14px;font-family:Inter,sans-serif;font-size:.9rem}.guess-input:focus{border-color:var(--color-word-a);box-shadow:0 0 0 3px var(--color-word-a-light)}.guess-input::placeholder{color:var(--color-text-muted)}.guess-btn{border-radius:var(--radius-md);background:var(--color-btn-primary);color:var(--color-btn-primary-text);cursor:pointer;transition:all var(--transition-fast);white-space:nowrap;border:none;padding:10px 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16px;font-size:.85rem;font-weight:600}.starting-word--a{color:var(--color-word-a);border-color:var(--color-word-a);background:var(--color-word-a-bg)}.starting-word--b{color:var(--color-word-b);border-color:var(--color-word-b);background:var(--color-word-b-bg)}.starting-words__arrow{color:var(--color-text-muted);font-size:1.2rem}.links-info{color:var(--color-text-muted);margin-bottom:12px;font-size:.75rem;line-height:1.4}.links-table{flex-direction:column;flex:1;gap:4px;display:flex;overflow-y:auto}.links-table::-webkit-scrollbar{width:4px}.links-table::-webkit-scrollbar-track{background:0 0}.links-table::-webkit-scrollbar-thumb{background:var(--color-border);border-radius:2px}.link-row{border-radius:var(--radius-sm);transition:background var(--transition-fast);border-left:3px solid #0000;align-items:center;padding:8px 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.link-row__score{color:var(--color-text-muted)}.selected-word-header{align-items:center;gap:8px;margin-bottom:12px;display:flex}.selected-word-badge{background:var(--color-btn-primary);color:var(--color-btn-primary-text);border-radius:var(--radius-xl);padding:4px 12px;font-size:.8rem;font-weight:600}.graph-container{background-color:var(--color-bg);background-image:radial-gradient(var(--color-border) 1.5px, transparent 1.5px);background-size:24px 24px;flex:1;position:relative;overflow:hidden}.win-overlay{z-index:1000;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#00000080;justify-content:center;align-items:center;animation:.4s fadeIn;display:flex;position:fixed;inset:0}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.win-banner{background:var(--color-surface);border-radius:var(--radius-lg);text-align:center;box-shadow:var(--shadow-xl);width:90%;max-width:420px;padding:40px 48px;animation:.4s cubic-bezier(.175,.885,.32,1.275) scaleIn}@keyframes 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var(--transition-fast);justify-content:center;align-items:center;display:flex}.app-header__action-btn:hover{border-color:var(--color-word-a);color:var(--color-word-a);background:var(--color-word-a-bg);box-shadow:var(--shadow-sm);transform:translateY(-1px)}.app-header__action-btn:active{transform:translateY(0)}.app-header__action-btn--active{border-color:var(--color-word-both);color:var(--color-word-both);background:var(--color-word-both-light)}.app-header__action-btn--active:hover{border-color:var(--color-word-both);color:#fff;background:var(--color-word-both)}.app-header__action-btn--new-game{border-color:var(--color-success);color:var(--color-success);background:var(--color-success-light)}.app-header__action-btn--new-game:hover{border-color:var(--color-success);color:#fff;background:var(--color-success)}.practice-banner{background:linear-gradient(135deg, var(--color-banner-bg-start), var(--color-banner-bg-end));border-bottom:1px solid var(--color-banner-border);color:var(--color-banner-text);letter-spacing:.02em;flex-shrink:0;justify-content:center;align-items:center;gap:8px;padding:6px 16px;font-size:.75rem;font-weight:600;animation:.3s slideDown;display:flex}@keyframes slideDown{0%{opacity:0;transform:translateY(-100%)}to{opacity:1;transform:translateY(0)}}.profile-overlay{z-index:1000;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#00000080;justify-content:center;align-items:center;animation:.3s fadeIn;display:flex;position:fixed;inset:0}.profile-modal{background:var(--color-surface);border-radius:var(--radius-lg);box-shadow:var(--shadow-xl);width:92%;max-width:440px;padding:36px 40px 32px;animation:.35s cubic-bezier(.175,.885,.32,1.275) scaleIn;position:relative}.profile-modal__close-x{color:var(--color-text-muted);cursor:pointer;border-radius:var(--radius-sm);transition:all var(--transition-fast);background:0 0;border:none;padding:4px 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var(--color-border-light);flex-shrink:0;justify-content:center;margin-top:auto;padding:20px;display:flex}.sidebar__section--results{flex-direction:column;flex:1;min-height:0;display:flex;overflow:hidden}.profile-stat-card:hover{border-color:var(--color-border);box-shadow:var(--shadow-sm)}.profile-stat-card__value{color:var(--color-text-primary);font-size:1.5rem;font-weight:700;line-height:1.2}.profile-stat-card__label{text-transform:uppercase;letter-spacing:.06em;color:var(--color-text-muted);margin-top:4px;font-size:.65rem;font-weight:500}.profile-distribution{margin-bottom:24px}.profile-distribution__title{text-transform:uppercase;letter-spacing:.08em;color:var(--color-text-muted);margin-bottom:14px;font-size:.75rem;font-weight:600}.profile-distribution__chart{flex-direction:column;gap:6px;display:flex}.profile-distribution__empty{color:var(--color-text-muted);text-align:center;padding:24px 0;font-size:.85rem;font-style:italic}.profile-dist-row{align-items:center;gap:10px;display:flex}.profile-dist-row__label{color:var(--color-text-secondary);text-align:right;font-variant-numeric:tabular-nums;flex-shrink:0;width:22px;font-size:.8rem;font-weight:600}.profile-dist-row__bar-track{flex:1;min-width:0}.profile-dist-row__bar{background:linear-gradient(30deg,#0030bf,#c80000);border-radius:10px;justify-content:flex-end;align-items:center;min-width:28px;height:28px;padding:0 10px;transition:width .6s cubic-bezier(.22,1,.36,1);animation:.6s cubic-bezier(.22,1,.36,1) barGrow;display:flex}@keyframes barGrow{0%{opacity:0;width:0%!important}to{opacity:1}}.profile-dist-row__count{color:#fff;font-variant-numeric:tabular-nums;font-size:.75rem;font-weight:700}.profile-modal__close-btn{border-radius:var(--radius-md);background:var(--color-btn-primary);width:100%;color:var(--color-btn-primary-text);cursor:pointer;transition:all 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strong{color:var(--color-text-primary)}.info-modal__tip{background:var(--color-word-neutral-light);border-radius:var(--radius-md);border-left:3px solid var(--color-word-neutral);padding:12px 16px}.info-modal__tip p{color:var(--color-text-secondary);margin:0;font-size:.85rem}.profile-tabs{background:var(--color-bg);border-radius:var(--radius-md);border:1px solid var(--color-border-light);gap:4px;margin-bottom:20px;padding:4px;display:flex}.profile-tab{border-radius:var(--radius-sm);color:var(--color-text-muted);cursor:pointer;transition:all var(--transition-fast);background:0 0;border:none;flex:1;justify-content:center;align-items:center;gap:6px;padding:8px 12px;font-family:Inter,sans-serif;font-size:.8rem;font-weight:600;display:flex}.profile-tab:hover{color:var(--color-text-secondary);background:#00000008}.profile-tab--active{background:var(--color-surface);color:var(--color-text-primary);box-shadow:var(--shadow-sm)}.profile-tab--active:hover{background:var(--color-surface);color:var(--color-text-primary)}.profile-stats-grid--practice{grid-template-columns:repeat(2,1fr)}.profile-dist-row__bar--practice{background:linear-gradient(30deg,#0083cf,#ed4f00)}.win-banner__actions{justify-content:center;gap:10px;display:flex}.win-banner__new-game{border:2px solid var(--color-success);border-radius:var(--radius-md);background:var(--color-success);color:#fff;cursor:pointer;transition:all var(--transition-fast);padding:12px 28px;font-family:Inter,sans-serif;font-size:.9rem;font-weight:600}.win-banner__new-game:hover{box-shadow:var(--shadow-md);background:#047857;border-color:#047857;transform:translateY(-1px)}.win-banner__new-game:active{transform:translateY(0)}@media (width<=768px){.app-layout{flex-direction:column;height:100%;display:flex;position:fixed;inset:0;overflow:hidden}.app-header{justify-content:flex-start;padding:0 12px}.app-header__logo{width:28px;height:28px;margin-right:8px}.app-header__title{font-size:1.15rem}.app-header__subtitle{display:none}.sidebar{border-bottom:none;border-right:none;border-top:1px solid var(--color-border);flex-direction:column;width:100%;min-width:auto;max-height:45vh;display:flex;overflow-y:auto}.sidebar__section--results{flex:none;overflow:visible}.links-table{max-height:none;overflow-y:visible}.app-main{flex-direction:column-reverse}.graph-container{flex:1;min-height:0}.profile-stats-grid--daily,.profile-stats-grid--practice{grid-template-columns:repeat(2,1fr)}.profile-modal{padding:28px 24px 24px}.app-header__left-actions{gap:4px;margin-right:8px;position:static}.app-header__actions{gap:6px;margin-left:auto;position:static;right:auto}.app-header__action-btn{width:32px;height:32px}.app-header__action-btn svg{width:16px;height:16px}.practice-banner{padding:5px 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var(--color-border);z-index:50;flex-shrink:0;justify-content:center;align-items:center;width:100%;height:90px;display:none}@media (width<=768px){.sticky-bottom-ad{height:60px;display:flex}}