:root{--ink:#102e55;--muted:#6e7d93;--green:#0d4780;--line:#dce4ee;--paper:#f4f6fa;--mint:#eaf1f9}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:Arial,Helvetica,sans-serif;font-size:14px}button,input,select{font:inherit}button,a,input,select{outline-offset:4px}button{cursor:pointer;transition:.15s}button:disabled{opacity:.45;cursor:not-allowed}a{color:inherit;text-decoration:none}.shell{display:flex;min-height:100vh}.sidebar{width:230px;flex-shrink:0;background:#fff;border-right:1px solid var(--line);padding:34px 21px;display:flex;flex-direction:column;position:fixed;inset:0 auto 0 0}.brand{display:flex;align-items:center;gap:12px;font-size:24px;font-weight:750;letter-spacing:-1px}.logo{width:39px;height:42px;background:var(--green);border-radius:11px;color:#fff;display:grid;place-content:center;font-size:29px;position:relative}.logo span{position:absolute;color:#ed2432;right:4px;bottom:-3px;font-size:34px}.brand small{display:block;font-size:8px;color:var(--muted);letter-spacing:1.3px;margin-top:5px}.nav-caption{font-size:10px;letter-spacing:1.6px;color:#8091a7;margin:48px 12px 16px}nav{display:grid;gap:8px}nav button{border:0;background:transparent;text-align:left;padding:13px 12px;border-radius:8px;color:#6e7d93;display:flex;gap:12px;align-items:center}nav button span{font-size:21px;width:22px}nav button.active{background:#eaf1f9;color:var(--green);font-weight:600}nav i{margin-left:auto;font-style:normal;font-size:19px}.sidebar-note{margin-top:auto;border:1px solid var(--line);border-radius:10px;padding:17px 12px;font-size:11px;color:var(--green)}.sidebar-note p{font-size:11px;line-height:1.65;color:var(--muted);margin-bottom:0}.live-dot,.legend-dot{display:inline-block;width:7px;height:7px;background:#0d4780;border-radius:50%;margin-right:7px}.user{display:flex;gap:11px;align-items:center;border-top:1px solid var(--line);padding-top:22px;margin-top:22px;font-size:12px;overflow-wrap:anywhere}.user small{display:block;color:var(--muted);font-size:10px;margin-top:4px}.avatar{width:33px;height:33px;flex-shrink:0;background:#e7eef8;border-radius:50%;display:grid;place-items:center;color:var(--green);font-weight:bold}main{margin-left:230px;width:calc(100% - 230px)}.topbar{height:74px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 38px;font-size:11px;color:var(--muted)}.topbar b{padding:0 12px;font-weight:normal;color:#a3afc2}.timezone{font-size:11px}.content{padding:34px 38px 20px;max-width:1510px;margin:auto}.title-row{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:30px}.eyebrow{font-size:10px;letter-spacing:2px;font-weight:600;color:var(--green);margin-bottom:12px}h1{font-size:34px;font-weight:500;letter-spacing:-1.5px;margin:0 0 12px}h2{font-size:16px;font-weight:600;margin:0}h3{font-size:16px;margin:14px 0 9px}.title-row p{color:var(--muted);margin:0;line-height:1.6;font-size:12px}.outline,.primary,.danger{border-radius:7px;padding:11px 15px;display:inline-block;font-weight:600;font-size:12px}.outline{background:#fff;border:1px solid var(--line);color:var(--ink)}.outline:hover{border-color:#789aca}.primary{background:var(--green);color:#fff;border:1px solid var(--green)}.primary:hover{background:#08315b}.danger{background:#9d3b32;color:white;border:0}.text-button{border:0;background:none;color:var(--green);font-size:12px}.section-label{display:flex;align-items:center;gap:11px;margin-bottom:18px}.section-label>span:first-child{display:grid;place-items:center;color:var(--green);border:1px solid #d6e2f1;background:#eaf1f9;width:24px;height:24px;border-radius:6px;font-size:10px;font-weight:600}.section-label>small{margin-left:auto;color:var(--muted);font-size:11px}.section-label .pill{margin-left:auto}.printer-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:12px;margin-bottom:29px}.printer-card{text-align:left;background:#fff;border:1px solid var(--line);border-radius:10px;padding:15px 15px 17px;position:relative}.printer-card.selected{background:#eef3fb;border-color:#0d4780;box-shadow:0 0 0 1px #0d4780}.printer-top{display:flex;align-items:center;justify-content:space-between;gap:4px}.pill{display:inline-flex;align-items:center;gap:9px;border-radius:4px;background:#f0f3f8;padding:5px 7px;font-size:8px;font-weight:600;letter-spacing:.5px;white-space:nowrap}.soft{background:#edf3fa;color:var(--green)}.radio-dot{width:13px;height:13px;border:1px solid #c5d2e3;border-radius:50%;flex-shrink:0}.selected .radio-dot{border:4px solid var(--green);background:#fff}.printer-drawing{height:88px;margin:9px 0;display:grid;place-items:center;color:#879bb5}.printer-drawing svg{width:95px;height:82px}.selected .printer-drawing{color:#0d4780}.printer-card strong{font-size:14px;display:block;margin:10px 0 6px}.printer-card>small{color:var(--muted);font-size:10px}.booking-layout{display:grid;grid-template-columns:280px minmax(0,1fr);gap:20px}.panel{background:#fff;border:1px solid var(--line);border-radius:11px;padding:24px}.details{align-self:start}label{display:block;font-size:11px;color:#566d8b;margin-bottom:18px;font-weight:500}input,select{border:1px solid #d5dfed;background:#fff;border-radius:6px;padding:11px 10px;width:100%;color:var(--ink);margin-top:8px;font-size:12px;min-width:0}input:focus,select:focus{border-color:var(--green)}.assistant-box{display:flex;gap:10px;align-items:center;background:#f5f7fb;border:1px solid #eaf0f8;padding:13px 11px;border-radius:8px;margin-bottom:20px}.assistant-box small{display:block;font-size:8px;color:var(--muted);letter-spacing:.8px;margin-bottom:5px}.assistant-box strong{font-size:12px}.rule-list{border-top:1px solid var(--line);padding-top:17px;margin-top:22px}.rule-list>div{display:flex;gap:12px;margin-bottom:17px}.rule-list>div:last-child{margin-bottom:0}.rule-list>div>span{font-size:19px;color:#6e87a6}.rule-list p{margin:0}.rule-list strong{display:block;font-size:11px;margin-bottom:6px;font-weight:500}.rule-list small{display:block;color:var(--muted);font-size:10px;line-height:1.65}.calendar-toolbar{display:flex;align-items:center;gap:9px;margin-top:26px;margin-bottom:19px}.date-label{margin:0;flex:1}.date-label input{margin:0;border:0;font-size:13px;padding:8px 2px;max-width:180px}.calendar-toolbar .outline{padding:6px 12px;font-size:20px;font-weight:400}.week{display:grid;grid-template-columns:repeat(7,1fr);gap:5px;border-bottom:1px solid var(--line);padding-bottom:20px}.week button{border:1px solid transparent;border-radius:7px;background:#fff;display:flex;flex-direction:column;align-items:center;padding:10px 3px;gap:8px}.week button.chosen{border-color:#adc4e1;background:#eaf1fa}.week span{font-size:10px;color:var(--muted)}.week strong{font-size:18px;font-weight:500}.week small{font-size:8px;color:var(--green)}.calendar-heading{display:flex;justify-content:space-between;align-items:center;margin:21px 0 17px;gap:10px;font-size:12px}.calendar-heading>span{font-size:9px;color:var(--muted)}.slots{display:grid;grid-template-columns:repeat(2,1fr);gap:9px;max-height:300px;overflow:auto;padding:2px}.slots button{display:flex;justify-content:space-between;align-items:center;border:1px solid #dbe5f1;border-radius:6px;padding:13px 12px;background:#f8faff;gap:6px;font-size:12px}.slots button b{font-weight:normal;color:#99afcc;margin:0 6px}.slots small{font-size:9px;color:#0d4780}.slots button.picked{border-color:var(--green);background:#eaf2ff}.confirm-bar{border-top:1px solid var(--line);margin-top:24px;padding-top:19px;display:flex;justify-content:space-between;align-items:center;gap:14px}.confirm-bar small{font-size:8px;color:var(--muted);letter-spacing:1px;display:block;margin-bottom:8px}.confirm-bar strong{font-size:11px;font-weight:500}.empty{text-align:center;padding:40px 12px;color:var(--muted)}.empty h3{color:var(--ink)}.empty p{font-size:12px;line-height:1.7}.empty .primary,.empty .outline{margin:15px 5px 0}.calendar-empty{padding:38px 14px}.empty-icon{font-size:31px;color:#718fba;border:1px solid #dce5f1;background:#f3f6fb;border-radius:50%;display:inline-grid;place-items:center;width:60px;height:60px}.setup-note{border:1px solid #e5d8b7;background:#fffbef;border-radius:8px;padding:15px 18px;margin-bottom:24px;display:flex;flex-wrap:wrap;gap:8px 14px;font-size:11px;color:#8a6d34}.setup-note span{line-height:1.6}.setup-note button{border:0;background:none;color:#8a6d34;margin-left:auto;font-weight:600}.message{padding:14px;border-radius:8px;margin-bottom:20px;font-size:12px}.success{background:#e7f4e6;color:#25613a}.error{background:#fff0e9;color:#963f2f}.availability-form{display:flex;align-items:flex-end;gap:16px;flex-wrap:wrap;margin-top:22px}.availability-form label{flex:1;min-width:120px;margin-bottom:0}.availability-form button{margin-bottom:1px}.hint{color:var(--muted);font-size:11px;line-height:1.8;margin:17px 0}.list{margin-top:24px}.list-row{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:18px 0;border-bottom:1px solid var(--line)}.list-row:last-child{border-bottom:0}.list-row strong{font-size:12px;line-height:1.7;display:block}.list-row small{font-size:11px;color:var(--muted);display:block;margin-top:6px;line-height:1.7}.booking-icon{width:50px;flex-shrink:0;color:#6586ae}.booking-icon svg{width:50px;height:50px}.booking-row>div:first-of-type{flex:1}.cancel-actions{display:flex;gap:6px}.occupied{border-top:1px dashed var(--line);margin-top:19px;padding-top:15px}.occupied>small{font-size:8px;color:var(--muted);letter-spacing:1px}.occupied>div{display:flex;justify-content:space-between;gap:12px;font-size:10px;background:#f0f3f8;padding:9px;margin-top:7px;border-radius:4px}.occupied strong{font-weight:500}.admin-panel{margin-top:20px}.day-toggles{display:flex;gap:8px;margin:20px 0 0}.day-toggles button{border:1px solid var(--line);background:white;border-radius:5px;padding:8px 13px;font-size:11px}.day-toggles .active{color:var(--green);background:#edf4e8;border-color:#92afd4}.assistant-table{display:grid;gap:6px}.assistant-table>div{display:grid;grid-template-columns:24px 1fr 1.5fr;gap:15px;align-items:center}.assistant-table input{margin:0}.assistant-table span{font-size:11px;color:var(--muted)}.team-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}.team-grid label{margin:0}.course-tags{display:flex;flex-wrap:wrap;gap:8px}.course-tags .pill{font-size:11px;padding:9px}.course-tags button{border:0;background:transparent;font-size:16px}.inline-form{display:flex;gap:12px;margin-top:18px;max-width:500px}.inline-form input{margin:0}.save-bar{position:sticky;bottom:15px;padding:18px 22px;background:#fff;border:1px solid var(--line);border-radius:9px;display:flex;justify-content:space-between;align-items:center;margin-top:20px;box-shadow:0 8px 25px #14396310;gap:15px}.save-bar p{font-size:11px;color:var(--muted)}footer{display:flex;justify-content:space-between;gap:12px;border-top:1px solid var(--line);padding:22px 0 0;margin-top:34px;font-size:9px;color:#8b99af}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}@media(min-width:1500px){.booking-layout{grid-template-columns:320px minmax(0,1fr)}.printer-drawing{height:110px}.printer-drawing svg{width:110px;height:100px}}@media(max-width:1150px){.sidebar{width:190px;padding:30px 13px}main{margin-left:190px;width:calc(100% - 190px)}.content{padding:30px 24px}.topbar{padding:0 24px}.booking-layout{grid-template-columns:245px minmax(0,1fr)}.printer-card{padding:12px 9px}.printer-card>small{font-size:9px}.panel{padding:19px}.confirm-bar{flex-wrap:wrap}.team-grid{grid-template-columns:repeat(3,1fr)}}@media(max-width:900px){.sidebar{position:static;width:100%;padding:16px 20px;border-right:0;border-bottom:1px solid var(--line)}.shell{display:block}.brand{font-size:22px}.brand small{font-size:7px}.nav-caption,.sidebar-note,.user{display:none}nav{display:flex;flex-wrap:wrap;margin-top:15px;gap:4px}nav button{padding:8px;font-size:11px}nav button span{font-size:17px;width:auto}nav i{display:none}main{margin:0;width:100%}.topbar{height:50px}.booking-layout{grid-template-columns:250px minmax(0,1fr)}h1{font-size:29px}}@media(max-width:650px){.content{padding:25px 16px}.topbar{padding:0 16px}.timezone{font-size:9px}.title-row{align-items:flex-start}.title-row>.outline{padding:8px;font-size:10px}h1{font-size:27px}.printer-grid{grid-template-columns:repeat(3,1fr);gap:9px}.printer-card>small{font-size:8px}.printer-drawing{height:65px}.printer-drawing svg{height:65px}.printer-card strong{font-size:12px}.pill{font-size:7px}.booking-layout{grid-template-columns:1fr}.details .rule-list{display:none}.week{gap:1px}.calendar-heading{align-items:flex-start;flex-direction:column;gap:7px}.slots button{padding:11px 8px;font-size:10px}.slots button b{margin:0 2px}.confirm-bar{align-items:flex-start}.confirm-bar .primary{width:100%;text-align:center}.assistant-table>div{grid-template-columns:20px 1fr;gap:6px}.assistant-table input[type=email]{grid-column:2}.team-grid{grid-template-columns:repeat(2,1fr)}.booking-row{flex-wrap:wrap}.booking-row>button,.booking-row>.cancel-actions{margin-left:66px}.save-bar{flex-direction:column;align-items:stretch;text-align:center}.day-toggles{gap:4px}.day-toggles button{padding:8px 9px}footer{font-size:8px;flex-wrap:wrap}.availability-form{gap:12px}.availability-form button{width:100%}}
.lesson-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin:25px 0}.lesson-grid label{display:flex;align-items:center;gap:10px;padding:17px 12px;border:1px solid var(--line);border-radius:7px;margin:0;cursor:pointer}.lesson-grid input{width:15px;height:15px;margin:0;accent-color:var(--green)}.lesson-grid strong{font-size:12px;display:block}.lesson-grid small{display:block;font-size:9px;color:var(--muted);margin-top:6px}.lesson-grid .lesson-picked{background:#eaf1fa;border-color:#93b1d6}@media(max-width:650px){.lesson-grid{grid-template-columns:repeat(2,1fr)}}

/* Bilkent / BILMECH branding */
:root{--navy:#0d4780;--red:#ed2432}.sidebar{border-top:4px solid var(--red)}.brand{gap:10px;letter-spacing:0;align-items:center}.university-logo{width:59px;height:59px;object-fit:contain;flex-shrink:0}.wordmark{display:flex;flex-direction:column;align-items:flex-start;min-width:0;flex:1}.wordmark>img{width:125px;max-width:100%;height:auto;object-fit:contain}.brand .wordmark small{font-size:7px;letter-spacing:1.8px;margin:5px 0 0 3px;color:var(--navy)}.topbar{background:#fff;border-top:4px solid var(--navy)}.eyebrow{color:var(--red);letter-spacing:1.8px}.primary{background:var(--red);border-color:var(--red)}.primary:hover{background:#ca1825;border-color:#ca1825}nav button.active{background:#eaf1fa;box-shadow:inset 3px 0 0 var(--red)}.printer-card.selected{box-shadow:0 0 0 1px var(--navy)}.printer-card.selected:after{content:'';position:absolute;left:12px;right:12px;bottom:-1px;height:3px;background:var(--red);border-radius:2px}.section-label>span:first-child{color:var(--red);background:#fff1f2;border-color:#f5d5d9}.slots button.picked{background:#eef3fb;border-color:var(--navy);box-shadow:inset 3px 0 0 var(--red)}.confirm-bar{border-top:2px solid #e6ecf5}.user .avatar{background:#edf2fa;color:var(--navy)}.setup-note{background:#fff7f7;border-color:#f1d8dc;color:#86535b}.setup-note button{color:#c32635}.day-toggles .active{background:#eaf1fa;color:var(--navy);border-color:#adc4e1}footer{border-top:2px solid var(--navy)}@media(max-width:1150px) and (min-width:901px){.university-logo{width:46px;height:46px}.wordmark>img{width:99px}.brand .wordmark small{font-size:6px;letter-spacing:1px}}@media(max-width:900px){.brand{max-width:250px}.university-logo{width:58px;height:58px}.wordmark>img{width:154px}.brand .wordmark small{font-size:8px;letter-spacing:2px}.sidebar{padding-top:15px}.topbar{border-top:0}}
/* Match the slab-serif university line in the supplied BILMECH wordmark. */
.brand .wordmark small{font-family:Rockwell,'Rockwell Extra Bold',Georgia,serif;font-weight:700;font-size:8.5px;letter-spacing:.25px;margin-left:3px}.printer-card>small{line-height:1.5}.wordmark>img{margin-bottom:0}@media(max-width:1150px) and (min-width:901px){.brand .wordmark small{font-size:6.5px;letter-spacing:.1px}}@media(max-width:900px){.brand .wordmark small{font-size:10px;letter-spacing:.3px}}
.printer-drawing{height:125px;margin:13px 0 11px}.printer-drawing img{width:100%;height:125px;object-fit:contain;mix-blend-mode:multiply}.booking-icon img{width:50px;height:50px;object-fit:contain;mix-blend-mode:multiply}.printer-card strong{line-height:1.35}@media(min-width:1500px){.printer-drawing,.printer-drawing img{height:145px}}@media(max-width:650px){.printer-drawing,.printer-drawing img{height:100px}.printer-drawing{margin:9px 0}.printer-card strong{font-size:11px}.printer-card>small{font-size:8px}}
.flow-steps{display:flex;align-items:center;gap:13px;margin:0 0 25px;color:#9ba9bd;font-size:11px}.flow-steps>span{display:flex;align-items:center;gap:8px;border-radius:6px;padding:10px 13px;border:1px solid #e0e6ef;background:#fff}.flow-steps .current{border-color:#c3d1e5;color:var(--navy);background:#eaf1fa}.flow-steps .complete{color:var(--navy)}.flow-steps i{font-style:normal;color:#a3b3c9}.course-picker{padding:27px}.course-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:13px;margin-top:24px}.course-card{text-align:left;background:#f9fbfe;border:1px solid #dae3ef;border-radius:9px;padding:21px}.course-card:hover{border-color:var(--navy);background:#eef3fb;box-shadow:inset 0 -3px 0 var(--red)}.course-card>div{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-bottom:13px}.course-card strong{font-size:21px;letter-spacing:-.5px;color:var(--navy)}.course-card>div>span{color:var(--red);font-size:22px}.course-card small{font-size:11px;color:var(--muted)}.course-card p{font-size:11px;color:#6684aa;margin:14px 0 0}.course-summary{display:flex;align-items:center;justify-content:space-between;gap:18px;background:white;border:1px solid var(--line);border-left:3px solid var(--red);border-radius:8px;padding:17px 21px;margin:0 0 24px}.course-summary>div{display:flex;align-items:center;gap:15px;flex-wrap:wrap}.course-summary small{font-size:8px;letter-spacing:1px;color:var(--muted)}.course-summary strong{color:var(--navy);font-size:17px}.course-summary>div>span{font-size:11px;color:var(--muted)}@media(max-width:650px){.course-grid{grid-template-columns:repeat(2,1fr);gap:10px}.course-card{padding:17px 14px}.course-card strong{font-size:19px}.course-card small,.course-card p{font-size:10px}.flow-steps{gap:8px;font-size:10px}.flow-steps>span{padding:9px 11px;gap:6px}.course-picker{padding:20px}.course-summary{padding:14px;gap:10px}.course-summary>div{gap:9px}.course-summary>div>span{width:100%}.course-summary .outline{font-size:10px;padding:10px;white-space:nowrap}}
.slot-guidance{background:#f3f6fb;border:1px solid var(--line);border-radius:7px;padding:13px;margin-bottom:18px}.slot-guidance strong{font-size:11px}.slot-guidance p{font-size:10px;color:var(--muted);line-height:1.7;margin:7px 0 0}.reservation-slots{grid-template-columns:repeat(2,1fr);margin:15px 0}.reservation-slots button{background:#f9fbfe;border:1px solid #d7e3f1;border-radius:7px;padding:15px 12px;text-align:left}.reservation-slots strong{font-size:12px;display:block}.reservation-slots small{font-size:9px;display:block;color:var(--muted);margin-top:7px}.reservation-slots .lesson-picked{background:#eaf1fa;border-color:var(--navy);box-shadow:inset 3px 0 0 var(--red)}.reservation-slots button:disabled{background:#f4f5f7;opacity:.45}.session-summary{display:flex;flex-wrap:wrap;gap:8px;margin-top:15px}.session-summary span{font-size:10px;padding:8px 10px;border-radius:5px;background:#edf2fa;color:var(--navy)}
/* A chronological list keeps every class-hour slot easy to scan. */
.lesson-grid,.lesson-grid.reservation-slots{grid-template-columns:1fr;gap:9px}.reservation-slots button{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:16px 18px}.reservation-slots strong{font-size:13px}.reservation-slots small{margin-top:0;text-align:right;font-size:10px}.lesson-grid label{padding:14px 16px}

.assistant-table>div{grid-template-columns:28px minmax(100px,1fr) minmax(140px,1.4fr) auto}.roster-add{margin-top:18px}.team-grid label>.outline{margin-top:8px;align-self:start}@media(max-width:650px){.assistant-table>div{grid-template-columns:24px 1fr}.assistant-table>div>.outline{grid-column:2;justify-self:start}}

.back-navigation{margin:0 0 18px}.flow-steps>button{border:0;background:transparent;color:inherit;font:inherit;cursor:pointer;padding:0}.flow-steps>button.current,.flow-steps>button.complete{color:var(--navy)}.flow-steps>button:disabled{cursor:default;opacity:.5}.flow-steps>button:hover:not(:disabled){text-decoration:underline}

.demo-banner{position:sticky;top:0;z-index:100;background:#0d4780;color:white;text-align:center;padding:12px;font:600 13px Arial,sans-serif}.sidebar{top:39px;height:calc(100vh - 39px)}