:root{--paper: #faf9f4;--paper-raised: #ffffff;--ink: #26304a;--ink-soft: #6e7387;--ink-faint: #9ba0b0;--rule: #e7e4da;--rule-strong: #d8d4c6;--margin-red: #d9573b;--margin-red-soft: #f7ddd6;--paid-green: #2e7d4f;--paid-green-soft: #ddeedd;--hl-yellow: #ffe9a3;--hl-yellow-deep: #e3c356;--hl-blue: #bfe0f5;--hl-blue-deep: #5f9ec4;--hl-green: #cde8c5;--hl-green-deep: #6fa863;--pencil: #ecebe4;--font-display: "Domine", serif;--font-body: "Karla", sans-serif;--font-mono: "Spline Sans Mono", monospace;--tabbar-h: calc(58px + env(safe-area-inset-bottom, 0px)) }*{box-sizing:border-box}html,body{margin:0;padding:0;background:var(--paper);color:var(--ink);font-family:var(--font-body);font-size:16px;-webkit-font-smoothing:antialiased;overscroll-behavior-y:none}#root{min-height:100dvh}h1,h2,h3{font-family:var(--font-display);margin:0}button{font-family:var(--font-body);cursor:pointer}input,select,textarea{font-family:var(--font-body);font-size:16px;color:var(--ink);background:var(--paper-raised);border:1px solid var(--rule-strong);border-radius:8px;padding:10px 12px;width:100%}input:focus,select:focus,textarea:focus,button:focus-visible{outline:2px solid var(--hl-blue-deep);outline-offset:1px}.app-main{padding:0 0 calc(var(--tabbar-h) + 16px);max-width:640px;margin:0 auto}.view{padding:12px 14px 0}.view-title{font-size:22px;font-weight:700;letter-spacing:-.2px;margin:10px 0 2px}.tabbar{position:fixed;bottom:0;left:0;right:0;max-width:640px;margin:0 auto;border-left:1px solid var(--rule);border-right:1px solid var(--rule);height:var(--tabbar-h);padding-bottom:env(safe-area-inset-bottom,0px);background:var(--paper-raised);border-top:1px solid var(--rule);display:flex;z-index:40}.tabbar button{flex:1;background:none;border:none;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;color:var(--ink-faint);font-size:11px;font-weight:600;letter-spacing:.2px;position:relative;padding:6px 0 4px}.tabbar button.active{color:var(--ink)}.tabbar button svg{width:24px;height:24px}.tabbar .tab-ink{position:absolute;top:0;width:36px;height:3px;border-radius:0 0 3px 3px;background:var(--ink);opacity:0;transition:opacity .15s}.tabbar button.active .tab-ink{opacity:1}.tab-badge{position:absolute;top:4px;right:calc(50% - 22px);min-width:17px;height:17px;padding:0 4px;border-radius:9px;background:var(--margin-red);color:#fff;font-size:11px;font-weight:700;display:flex;align-items:center;justify-content:center}.btn{border:1px solid var(--rule-strong);background:var(--paper-raised);color:var(--ink);border-radius:9px;padding:10px 14px;font-size:15px;font-weight:600}.btn-primary{background:var(--ink);border-color:var(--ink);color:var(--paper)}.btn-danger{color:var(--margin-red);border-color:var(--margin-red-soft);background:var(--paper-raised)}.btn-green{background:var(--paid-green);border-color:var(--paid-green);color:#fff}.btn-sm{padding:7px 11px;font-size:14px;border-radius:8px}.btn:disabled{opacity:.5;cursor:default}.btn-wa{display:inline-flex;align-items:center;gap:6px;background:#e7f6e9;border:1px solid #bfe0c4;color:#1d6b34;border-radius:9px;padding:9px 13px;font-size:14px;font-weight:700;text-decoration:none}.btn-wa svg{width:16px;height:16px}.fab{position:fixed;right:max(16px,calc(50% - 304px));bottom:calc(var(--tabbar-h) + 14px);width:54px;height:54px;border-radius:50%;background:var(--ink);color:var(--paper);border:none;font-size:28px;line-height:1;box-shadow:0 4px 14px #26304a4d;z-index:30;display:flex;align-items:center;justify-content:center}.card{background:var(--paper-raised);border:1px solid var(--rule);border-radius:12px;padding:14px}.list-row{display:flex;align-items:center;gap:12px;padding:13px 2px;border-bottom:1px solid var(--rule);background:none;border-left:none;border-right:none;border-top:none;width:100%;text-align:left;font-size:16px;color:var(--ink)}.chip{display:inline-flex;align-items:center;font-size:12px;font-weight:700;letter-spacing:.2px;border-radius:6px;padding:2px 8px;white-space:nowrap}.chip-conversation{background:var(--hl-yellow);color:#6b5613}.chip-business_exam{background:var(--hl-blue);color:#1f4c68}.chip-planning{background:var(--hl-green);color:#2c5424}.chip-owes{background:var(--margin-red-soft);color:var(--margin-red)}.chip-paid{background:var(--paid-green-soft);color:var(--paid-green)}.mono{font-family:var(--font-mono)}.muted{color:var(--ink-soft)}.sheet-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#26304a59;z-index:50;animation:fade-in .15s ease-out}.sheet{position:fixed;left:0;right:0;bottom:0;max-width:640px;margin:0 auto;background:var(--paper);border-radius:16px 16px 0 0;padding:10px 18px calc(20px + env(safe-area-inset-bottom,0px));z-index:51;animation:slide-up .2s ease-out;max-height:88dvh;overflow-y:auto}.sheet-handle{width:38px;height:4px;border-radius:2px;background:var(--rule-strong);margin:2px auto 12px}.sheet h2{font-size:19px;margin-bottom:4px}@keyframes slide-up{0%{transform:translateY(40px);opacity:.5}to{transform:none;opacity:1}}@keyframes fade-in{0%{opacity:0}to{opacity:1}}@media(prefers-reduced-motion:reduce){.sheet,.sheet-backdrop{animation:none}}.field{margin-bottom:13px}.field label{display:block;font-size:13px;font-weight:700;color:var(--ink-soft);margin-bottom:5px;letter-spacing:.2px}.field-row{display:flex;gap:10px}.field-row .field{flex:1}.seg{display:flex;border:1px solid var(--rule-strong);border-radius:9px;overflow:hidden;background:var(--paper-raised)}.seg button{flex:1;border:none;background:none;padding:9px 6px;font-size:14px;font-weight:600;color:var(--ink-soft)}.seg button.active{background:var(--ink);color:var(--paper)}.week-nav{display:flex;align-items:center;gap:6px;margin:6px 0 10px}.week-nav-label{flex:1;text-align:center}.week-nav-label .view-title{margin:0;font-size:20px;display:inline}.week-nav-year{font-size:13px;margin-left:6px;font-family:var(--font-mono)}.week-arrow{border:1px solid var(--rule-strong);background:var(--paper-raised);border-radius:8px;width:38px;height:38px;font-size:22px;color:var(--ink);line-height:1;flex-shrink:0}.week-today-btn{position:absolute;right:14px;top:13px}.week-view{position:relative}.week-head{display:grid;grid-template-columns:32px repeat(7,1fr);margin-bottom:4px}.week-gutter-spacer{width:32px}.week-day-head{display:flex;flex-direction:column;align-items:center;gap:1px;padding-bottom:4px}.week-day-letter{font-size:10px;font-weight:700;letter-spacing:.5px;color:var(--ink-faint)}.week-day-num{font-family:var(--font-mono);font-size:14px;font-weight:500;width:24px;height:24px;display:flex;align-items:center;justify-content:center;border-radius:50%}.week-day-num.today{border:2px solid var(--margin-red);color:var(--margin-red);font-weight:600}.week-body{position:relative;border-top:1px solid var(--rule)}.week-hour{position:absolute;left:0;right:0;border-bottom:1px solid var(--rule);height:56px;pointer-events:none}.week-hour-label{position:absolute;top:-7px;left:0;font-family:var(--font-mono);font-size:10px;color:var(--ink-faint);background:var(--paper);padding-right:3px}.week-margin-rule{position:absolute;top:-5px;bottom:0;width:1.5px;background:#d9573b73;pointer-events:none}.week-today-col{position:absolute;top:0;bottom:0;background:#d9573b0b;pointer-events:none}.week-empty{position:absolute;top:90px;left:32px;right:0;padding:0 24px}.week-tile{position:absolute;border:none;border-radius:6px;padding:3px 4px;display:flex;flex-direction:column;align-items:flex-start;gap:0;overflow:hidden;text-align:left;color:var(--ink)}.tile-name{font-size:11px;font-weight:700;line-height:1.15;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:100%}.tile-time{font-family:var(--font-mono);font-size:9.5px;color:#26304aa6}.tile-conversation{background:var(--hl-yellow);box-shadow:inset 3px 0 0 var(--hl-yellow-deep)}.tile-business_exam{background:var(--hl-blue);box-shadow:inset 3px 0 0 var(--hl-blue-deep)}.tile-cancelled{background:var(--pencil);box-shadow:inset 3px 0 0 var(--rule-strong);color:var(--ink-faint)}.tile-cancelled .tile-name{text-decoration:line-through}.tile-block{background:repeating-linear-gradient(45deg,#f0efe8 0,#f0efe8 4px,#e3e1d6 4px,#e3e1d6 5.5px);box-shadow:inset 3px 0 0 var(--rule-strong);color:var(--ink-soft)}.archive-toggle{margin:8px 0 4px}.student-list{margin-top:4px}.student-name{flex:1;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.row-chips{display:inline-flex;gap:5px}.back-link{background:none;border:none;color:var(--ink-soft);font-size:15px;font-weight:600;padding:6px 0;margin-top:2px}.detail-head{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.detail-rate{margin:4px 0 12px;font-size:14px}.contact-row{display:flex;gap:8px;align-items:center;margin-bottom:16px;flex-wrap:wrap}.contact-mail{text-decoration:none;display:inline-flex;align-items:center}.owes-card{border-color:#ecc4b8;background:#fdf6f3;margin-bottom:16px;padding:6px 14px}.owes-row{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:8px 0;font-size:14.5px}.owes-row+.owes-row{border-top:1px solid #f0ddd6}.detail-section{margin-bottom:22px}.section-title{font-size:15px;color:var(--ink);margin-bottom:8px;padding-bottom:4px;border-bottom:1px solid var(--rule)}.slot-row{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:8px 0;border-bottom:1px dashed var(--rule);font-size:14.5px;margin-bottom:6px}.slot-delete{background:none;border:none;color:var(--ink-faint);font-size:20px;line-height:1;padding:2px 8px}.paid-amount{color:var(--paid-green);font-weight:600}.form-error{color:var(--margin-red);font-size:14px;font-weight:600}.archive-actions{display:flex;gap:8px}.money-card{margin-bottom:10px}.money-currency{font-size:12px;font-weight:700;letter-spacing:.8px;text-transform:uppercase;color:var(--ink-faint);margin-bottom:8px}.money-figures{display:flex;gap:12px}.money-figure{flex:1;display:flex;flex-direction:column;gap:2px}.money-label{font-size:13px;font-weight:600;color:var(--ink-soft)}.money-value{font-size:21px;font-weight:600;letter-spacing:-.3px}.money-value.collected{color:var(--paid-green)}.money-clients{margin-top:18px}.money-client-name{background:none;border:none;padding:0;font-size:14.5px;font-weight:600;color:var(--ink);text-align:left}.money-client-sub{font-weight:400;font-family:var(--font-mono);font-size:12.5px}.money-client-amount{display:inline-flex;align-items:center;gap:8px}.debtor-card{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:8px;border-color:#ecc4b8;background:#fdf6f3}.debtor-info{display:flex;flex-direction:column;gap:2px;font-size:14px}.debtor-name{background:none;border:none;padding:0;font-size:15.5px;font-weight:700;color:var(--ink);text-align:left}.debtor-actions{display:flex;align-items:center;gap:8px}.debtor-actions .btn-wa{padding:8px 10px}.sheet-sub{margin:0 0 14px;font-size:14px}.sheet-actions-col{display:flex;flex-direction:column;gap:9px}.btn-full{width:100%}.error-banner{position:fixed;top:0;left:0;right:0;z-index:60;background:var(--margin-red);color:#fff;padding:12px 16px;padding-top:calc(12px + env(safe-area-inset-top,0px));display:flex;align-items:center;justify-content:space-between;gap:12px;font-weight:600;font-size:14px}.error-banner button{background:#ffffff2e;border:1px solid rgba(255,255,255,.5);color:#fff;border-radius:7px;padding:6px 12px;font-weight:700;font-size:13px}.login{min-height:100dvh;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:24px}.login-mark{font-family:var(--font-display);font-size:34px;font-weight:700;position:relative;padding:0 6px;isolation:isolate}.login-mark .hl{position:absolute;left:0;right:0;bottom:4px;height:14px;background:var(--hl-yellow);z-index:-1;border-radius:3px;transform:rotate(-1.2deg)}.login-sub{color:var(--ink-soft);margin:8px 0 28px;font-size:15px}.login form{width:100%;max-width:320px;display:flex;flex-direction:column;gap:12px}.login .error{color:var(--margin-red);font-size:14px;font-weight:600;text-align:center}.empty{text-align:center;color:var(--ink-soft);padding:42px 20px;font-size:15px;line-height:1.5}.empty .empty-title{font-family:var(--font-display);font-size:17px;color:var(--ink);margin-bottom:6px}.loading{text-align:center;color:var(--ink-faint);padding:48px 0;font-size:14px}