.booking-shortcuts{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:10px}.booking-shortcuts button{border:1px solid #b8c6d9;background:#f7fbff;color:#17365d;border-radius:12px;padding:11px 8px;font-weight:800;cursor:pointer}.booking-shortcuts button:first-child{background:#e8f4ff;border-color:#6fa9de}
.app-topbar{position:sticky;top:0;z-index:50;max-width:1240px;margin:0 auto 20px;padding:calc(10px + env(safe-area-inset-top)) 18px 10px;display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:22px;background:rgba(255,255,255,.94);border:1px solid #e0e6ed;border-top:0;border-radius:0 0 20px 20px;box-shadow:0 10px 28px rgba(26,45,70,.09);backdrop-filter:blur(14px)}.student-nav{display:flex;justify-content:center;gap:4px}.student-nav button,.top-profile{min-height:44px;border:0;background:transparent;color:#53657a;border-radius:11px;padding:9px 18px;font-weight:850;cursor:pointer}.student-nav button.active{background:#edf5ff;color:#17365d;box-shadow:inset 0 -3px #ff5c45}.top-profile{display:grid;text-align:right;padding:5px 10px}.top-profile span{font-size:11px;color:#7a8797}.top-profile strong{max-width:120px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.portal-panel{max-width:1180px;margin:30px auto;padding:28px;border:1px solid #dbe5ef;border-radius:26px;background:#f8fbff;color:#14263d}.portal-heading{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-bottom:20px}.portal-heading h2{margin:2px 0;font-size:clamp(25px,4vw,38px)}.portal-heading p{margin:0}.portal-heading>button,.calendar-controls button{border:0;border-radius:12px;background:#17365d;color:#fff;min-height:44px;padding:10px 16px;font-weight:850;cursor:pointer}.home-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-bottom:22px}.home-metrics article{padding:18px;background:#fff;border:1px solid #d9e4ef;border-radius:17px}.home-metrics span{display:block;color:#68788c;font-size:13px}.home-metrics strong{display:block;margin-top:8px;font-size:clamp(19px,3vw,27px)}.home-columns{display:grid;grid-template-columns:1fr 1fr;gap:18px}.home-columns>section,.calendar-day-detail{background:#fff;border:1px solid #d9e4ef;border-radius:18px;padding:18px}.home-columns h3,.calendar-day-detail h3{margin:0 0 12px}.portal-list{display:grid;gap:10px}.portal-list .booking-item{padding:14px;grid-template-columns:1fr}.portal-list .booking-item h3{font-size:16px}.portal-empty{padding:18px;border-radius:13px;background:#f4f7fa;color:#647589;text-align:center}.calendar-controls{display:flex;align-items:center;gap:10px}.calendar-controls button{width:44px;padding:0}.calendar-layout{display:grid;grid-template-columns:minmax(0,1.7fr) minmax(260px,1fr);gap:18px}.calendar-weekdays,.booking-calendar-grid{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:6px}.calendar-weekdays span{text-align:center;padding:8px;color:#718095;font-weight:800}.calendar-weekdays span:first-child{color:#c9493d}.booking-calendar-grid button{position:relative;min-height:78px;border:1px solid #d6e0ea;border-radius:12px;background:#fff;color:#283b52;text-align:left;padding:9px;cursor:pointer}.booking-calendar-grid button.outside{opacity:.45}.booking-calendar-grid button.today{border-color:#ff745f}.booking-calendar-grid button.selected{outline:3px solid #86b7e4}.booking-calendar-grid button.has-booking{background:#edf7ff}.booking-calendar-grid button .calendar-count{display:block;margin-top:7px;color:#176298;font-size:11px;font-weight:850}.profile-form{display:grid;grid-template-columns:1fr 1fr;gap:16px;max-width:760px}.profile-form>label{display:grid;gap:7px;font-weight:800}.profile-form input,.profile-form select{min-height:46px;border:1px solid #bdccdc;border-radius:11px;background:#fff;padding:10px;color:#16273b}.profile-form fieldset{grid-column:1/-1;border:1px solid #d7e2ec;border-radius:15px;background:#fff;padding:16px;display:grid;gap:12px}.profile-check{display:flex!important;align-items:center;gap:10px;font-weight:700!important}.profile-check input{min-height:auto;width:18px;height:18px}.profile-form>.primary{justify-self:start;min-width:160px}.profile-form>.booking-status{align-self:center;margin:0}.portal-panel.hidden,.portal-home.hidden{display:none!important}
.booking-panel{max-width:1180px;margin:38px auto;padding:30px;border-radius:28px;background:#f8fbff;border:1px solid #dbe7f3;box-shadow:0 24px 60px rgba(15,42,70,.12);color:#14263d}.booking-header{display:flex;justify-content:space-between;gap:20px;align-items:flex-start}.booking-header h2{font-size:clamp(26px,4vw,42px);margin:3px 0}.booking-header p{margin:0;max-width:680px}.booking-header>button{width:42px;height:42px;border:0;border-radius:50%;background:#e4edf6;font-size:25px;cursor:pointer}
.booking-tabs{display:flex;gap:8px;margin:24px 0;border-bottom:1px solid #cfdae6;padding-bottom:10px}.booking-tabs button{border:0;background:transparent;padding:12px 18px;border-radius:12px;font-weight:850;color:#5a6a7e;cursor:pointer}.booking-tabs button.active{background:#17365d;color:#fff}.booking-status{min-height:1.4em;color:#b43c24;font-weight:750}.booking-status.ok{color:#267247}.booking-account{display:flex;align-items:end;justify-content:space-between;gap:12px;background:#fff;border:1px solid #d9e4ef;border-radius:16px;padding:14px 18px;margin-bottom:16px}.booking-account label{display:grid;gap:5px;font-size:12px;font-weight:800}.booking-account input{min-height:40px;border:1px solid #bdccdc;border-radius:10px;padding:8px 10px}.booking-account span{font-size:13px;color:#637388}
.booking-dates{display:grid;grid-template-columns:repeat(7,1fr);gap:8px;margin:18px 0}.booking-dates button{background:#fff;border:1px solid #ccd9e6;border-radius:14px;padding:10px 5px;cursor:pointer;color:#304158}.booking-dates button strong,.booking-dates button span{display:block}.booking-dates button strong{font-size:18px}.booking-dates button.active{background:#17365d;color:#fff;border-color:#17365d}.booking-dates button:first-child span{color:#db5137}.booking-dates button.active span{color:#fff}
.booking-filters{display:grid;grid-template-columns:repeat(3,minmax(130px,1fr)) auto auto;gap:12px;align-items:end;background:#fff;border:1px solid #d9e4ef;border-radius:18px;padding:16px}.booking-filters label,.teacher-booking-login label,.teacher-slot-form label,.booking-confirm-card label{display:grid;gap:6px;font-size:13px;font-weight:800}.booking-filters input,.booking-filters select,.teacher-booking-login input,.teacher-slot-form input,.teacher-slot-form select,.booking-confirm-card textarea{min-height:43px;border:1px solid #bdccdc;border-radius:10px;padding:9px 11px;background:#fff;color:#16273b}.booking-filters .favorite-only{display:flex;align-items:center;min-height:43px;white-space:nowrap}.favorite-only input,.substitute-check input{min-height:auto}.booking-filters .primary{min-height:43px}
.booking-results{display:grid;gap:14px;margin-top:20px}.booking-empty{text-align:center;padding:35px 18px;background:#fff;border:1px dashed #b9c9da;border-radius:18px;color:#607086}.booking-teacher-group{background:#fff;border:1px solid #d9e4ef;border-radius:20px;padding:20px}.booking-teacher-head{display:flex;justify-content:space-between;align-items:center;gap:14px;margin-bottom:14px}.booking-teacher-head h3{margin:0;font-size:21px}.booking-teacher-meta{font-size:13px;color:#607086}.booking-favorite{border:1px solid #f0bf55;background:#fff8df;color:#775415;border-radius:999px;padding:8px 12px;cursor:pointer}.booking-slot-list{display:flex;flex-wrap:wrap;gap:9px}.booking-slot{display:grid;gap:2px;min-width:128px;border:1px solid #86b2da;background:#eef7ff;color:#17365d;border-radius:13px;padding:10px 12px;cursor:pointer;text-align:left}.booking-slot:hover{transform:translateY(-1px);box-shadow:0 6px 14px rgba(31,82,128,.13)}.booking-slot:disabled{opacity:.45;cursor:not-allowed}.booking-slot strong{font-size:18px}.booking-slot small{color:#526f8b}
.booking-rules{display:flex;flex-wrap:wrap;gap:8px}.booking-rules span{background:#eaf3fb;color:#254666;border-radius:999px;padding:7px 12px;font-size:12px;font-weight:800}.booking-item{display:grid;grid-template-columns:1fr auto;gap:16px;align-items:center;background:#fff;border:1px solid #d9e4ef;border-radius:18px;padding:18px}.booking-item h3{margin:0 0 5px}.booking-item p{margin:3px 0;color:#53657a}.booking-item-actions{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end}.booking-item-actions button{border:1px solid #b6c6d7;background:#fff;border-radius:10px;padding:9px 12px;font-weight:800;cursor:pointer}.booking-item-actions .enter-booking{background:#17365d;color:#fff}.booking-item-actions button:disabled{opacity:.45;cursor:not-allowed}.booking-status-pill{display:inline-block;border-radius:999px;background:#e9f6ee;color:#236842;padding:5px 9px;font-size:12px;font-weight:850}.booking-status-pill.cancelled{background:#f4f0ec;color:#765a43}.booking-status-pill.completed{background:#e9effc;color:#315b9a}
.teacher-booking-login{display:grid;grid-template-columns:1fr auto;gap:12px;align-items:end;background:#fff;border:1px solid #d9e4ef;padding:18px;border-radius:18px}.teacher-booking-login button{min-height:43px;border:0;border-radius:10px;background:#17365d;color:#fff;font-weight:850;padding:0 18px}.teacher-slot-form{display:grid;grid-template-columns:repeat(4,minmax(120px,1fr));gap:12px;align-items:end;margin-top:18px;background:#fff;border:1px solid #d9e4ef;padding:20px;border-radius:18px}.teacher-slot-form h3{grid-column:1/-1;margin:0}.teacher-slot-form .slot-topic{grid-column:span 2}.teacher-slot-form button{min-height:43px}.teacher-slot-heading{margin:25px 0 0}
.booking-confirm-card{max-width:600px}.booking-confirm-card #booking-confirm-summary{background:#f1f7fc;border-radius:14px;padding:16px;margin:10px 0 16px;line-height:1.8}.booking-confirm-card textarea{min-height:95px;resize:vertical}.substitute-check{display:flex!important;grid-template-columns:auto 1fr;align-items:center;margin-top:12px}.booking-view.hidden{display:none!important}
@media(max-width:820px){.app-topbar{grid-template-columns:auto 1fr}.top-profile{display:none}.student-nav{justify-content:flex-end}.student-nav button{padding:8px 10px}.portal-panel{padding:20px 14px;border-radius:18px}.home-columns,.calendar-layout{grid-template-columns:1fr}.booking-panel{padding:20px 14px;border-radius:18px}.booking-dates{grid-template-columns:repeat(4,1fr)}.booking-filters{grid-template-columns:1fr 1fr}.booking-filters .primary{grid-column:1/-1}.teacher-slot-form{grid-template-columns:1fr 1fr}.booking-item{grid-template-columns:1fr}.booking-item-actions{justify-content:flex-start}}
@media(max-width:520px){.app-topbar{display:block;padding-left:8px;padding-right:8px}.app-topbar>.brand{display:none}.student-nav{display:grid;grid-template-columns:repeat(4,1fr);gap:2px}.student-nav button{padding:8px 3px;font-size:12px;white-space:nowrap}.portal-heading{align-items:flex-start;flex-direction:column}.home-metrics{grid-template-columns:1fr}.calendar-weekdays,.booking-calendar-grid{gap:3px}.booking-calendar-grid button{min-height:59px;padding:6px;font-size:12px}.profile-form{grid-template-columns:1fr}.profile-form fieldset{grid-column:auto}.booking-shortcuts,.booking-filters,.teacher-booking-login,.teacher-slot-form{grid-template-columns:1fr}.booking-dates{grid-template-columns:repeat(3,1fr)}.booking-tabs{overflow:auto}.booking-tabs button{white-space:nowrap;padding:10px 12px}.teacher-slot-form .slot-topic{grid-column:auto}.booking-account{align-items:flex-start;flex-direction:column}.booking-teacher-head{align-items:flex-start}.booking-slot{flex:1 1 42%}}
.profile-actions{display:flex;gap:10px;flex-wrap:wrap}.profile-actions button{min-height:44px;border-radius:11px;padding:10px 16px;font-weight:850;cursor:pointer}.profile-actions .primary{min-width:160px}.profile-logout{border:1px solid #c9a49e;background:#fff;color:#9a382d}
.teacher-schedule-button{width:100%;margin-top:12px;min-height:46px;border:1px solid #6fa9de;border-radius:12px;background:#e8f4ff;color:#17365d;font-weight:850;cursor:pointer}
.service-status{display:inline-flex;align-items:center;gap:5px;margin-left:6px;padding:4px 8px;border-radius:999px;background:#eef2f6;color:#68788c;font-size:10px;font-weight:800}.service-status::before{content:"";width:7px;height:7px;border-radius:50%;background:#9aa7b5}.service-status.online{background:#e8f7ee;color:#226a42}.service-status.online::before{background:#31a667}.service-status.offline{background:#fff0ed;color:#a64234}.service-status.offline::before{background:#e05c48}.account-transfer{display:grid;grid-template-columns:1.2fr 1fr;gap:18px;margin-bottom:20px;padding:20px;border:1px solid #cfe0ee;border-radius:18px;background:#fff}.account-transfer h3{margin:0 0 6px}.account-transfer p{margin:0;color:#5f7185}.account-code-row{display:grid;grid-template-columns:1fr auto auto;gap:8px;align-items:center}.account-code-row code{overflow:hidden;text-overflow:ellipsis;padding:12px;border-radius:10px;background:#f0f4f8;color:#34475e;white-space:nowrap}.account-transfer button{min-height:42px;border:1px solid #9eb4c9;border-radius:10px;background:#f8fbff;color:#17365d;font-weight:850;padding:8px 12px;cursor:pointer}.account-transfer button:disabled{opacity:.45;cursor:not-allowed}#student-code-login{grid-column:1/-1;display:grid;grid-template-columns:1fr auto;gap:10px;align-items:end;padding-top:15px;border-top:1px solid #e2e9ef}#student-code-login label{display:grid;gap:6px;font-size:13px;font-weight:800}#student-code-login input{min-height:44px;border:1px solid #bdccdc;border-radius:10px;padding:9px 11px}.teacher-mode #student-nav,.teacher-mode #top-profile{display:none}.teacher-mode .app-topbar{grid-template-columns:1fr}.teacher-mode .app-topbar .brand{justify-self:start}
.booking-tabs [data-booking-tab="teacher"]{display:none}.teacher-mode .booking-tabs [data-booking-tab="teacher"]{display:block}
@media(max-width:700px){.account-transfer{grid-template-columns:1fr}.account-code-row,#student-code-login{grid-template-columns:1fr}}
.account-entry{display:grid;gap:12px}.account-auth-tabs{display:grid;grid-template-columns:1fr 1fr;gap:4px;padding:4px;margin-bottom:14px;border-radius:12px;background:#eef2f6}.account-auth-tabs button{min-height:40px;border:0;border-radius:9px;background:transparent;color:#607086;font-weight:850;cursor:pointer}.account-auth-tabs button.active{background:#fff;color:#17365d;box-shadow:0 2px 9px #152b4017}.account-auth-form{display:grid}.account-auth-form .account-consent{display:flex;align-items:flex-start;gap:9px;margin:1px 0 14px;font-size:11px;line-height:1.5}.account-auth-form .account-consent input{width:18px;min-width:18px;height:18px;margin:1px 0}.account-signed-in{display:grid;gap:4px;padding:17px;border:1px solid #b9d9c7;border-radius:15px;background:#f0fbf5}.account-signed-in span{color:#267247;font-size:11px;font-weight:850}.account-signed-in strong{font-size:20px}.account-signed-in small{color:#65768a}.account-signed-in button{margin-top:8px;min-height:42px;border:0;border-radius:10px;background:#17365d;color:#fff;font-weight:850;cursor:pointer}.account-identity{display:grid;align-content:center;gap:4px;padding:15px;border-radius:14px;background:#f1f7fc}.account-identity span,.account-identity small{color:#66788d;font-size:12px}.account-identity strong{font-size:20px}.account-transfer #account-password-form{grid-column:1/-1;display:grid;grid-template-columns:repeat(3,1fr) auto;gap:10px;align-items:end;padding-top:15px;border-top:1px solid #e2e9ef}.account-transfer #account-password-form.hidden{display:none}.account-transfer #account-password-form h4{grid-column:1/-1;margin:0}.account-transfer #account-password-form label,#legacy-upgrade-form label{display:grid;gap:6px;font-size:13px;font-weight:800}.account-transfer input{min-height:44px;border:1px solid #bdccdc;border-radius:10px;padding:9px 11px}.account-transfer details{grid-column:1/-1;padding-top:10px;border-top:1px solid #e2e9ef}.account-transfer summary{color:#385875;font-weight:850;cursor:pointer}#legacy-upgrade-form{display:grid;grid-template-columns:repeat(3,1fr) auto;gap:10px;align-items:end;margin-top:14px}.account-transfer form button,#legacy-upgrade-form button{min-height:44px;border:0;border-radius:10px;background:#17365d;color:#fff;font-weight:850;padding:8px 14px;cursor:pointer}
@media(max-width:820px){.account-transfer #account-password-form,#legacy-upgrade-form{grid-template-columns:1fr 1fr}.account-transfer #account-password-form button,#legacy-upgrade-form button{grid-column:1/-1}}
@media(max-width:520px){.account-transfer #account-password-form,#legacy-upgrade-form{grid-template-columns:1fr}}
.teacher-account-entry{display:grid;gap:12px;margin-bottom:14px}.teacher-account-entry select{width:100%;min-height:46px;margin-bottom:17px;border:1px solid #dfe3e8;border-radius:12px;background:#fafafa;padding:10px 14px}.teacher-account-entry .account-signed-in{margin-bottom:8px}.legacy-teacher-key{margin:12px 0}.legacy-teacher-key summary{margin-bottom:10px;color:#586a7f;font-size:12px;font-weight:800;cursor:pointer}