@font-face{font-family:Inter;font-style:normal;font-weight:100 900;font-display:swap;src:url(/fonts/inter-latin.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Inter;font-style:normal;font-weight:100 900;font-display:swap;src:url(/fonts/inter-latin-ext.woff2) format("woff2");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Inter;font-style:normal;font-weight:100 900;font-display:swap;src:url(/fonts/inter-vietnamese.woff2) format("woff2");unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Inter;font-style:normal;font-weight:100 900;font-display:swap;src:url(/fonts/inter-greek.woff2) format("woff2");unicode-range:U+0370-0377,U+037A-037F,U+0384-038A,U+038C,U+038E-03A1,U+03A3-03FF}@font-face{font-family:Inter;font-style:normal;font-weight:100 900;font-display:swap;src:url(/fonts/inter-greek-ext.woff2) format("woff2");unicode-range:U+1F00-1FFF}@font-face{font-family:Inter;font-style:normal;font-weight:100 900;font-display:swap;src:url(/fonts/inter-cyrillic.woff2) format("woff2");unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}@font-face{font-family:Inter;font-style:normal;font-weight:100 900;font-display:swap;src:url(/fonts/inter-cyrillic-ext.woff2) format("woff2");unicode-range:U+0460-052F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:Hanken Grotesk;font-style:normal;font-weight:400 900;font-display:swap;src:url(/fonts/hanken-grotesk-latin.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Hanken Grotesk;font-style:normal;font-weight:400 900;font-display:swap;src:url(/fonts/hanken-grotesk-latin-ext.woff2) format("woff2");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}:root{--background: #f5f5f7;--surface: #ffffff;--surface-2: #fbfbfd;--surface-sunken: #ececed;--sidebar-bg: rgba(255, 255, 255, .72);--primary: #1d1d1f;--text: #1d1d1f;--text-muted: #6e6e73;--text-soft: #8e8e93;--accent: #0071e3;--accent-hover: #0077ed;--accent-soft: rgba(0, 113, 227, .1);--accent-ring: rgba(0, 113, 227, .32);--secondary: #c79a2e;--error: #ff3b30;--border: rgba(0, 0, 0, .08);--border-strong: rgba(0, 0, 0, .16);--shadow-sm: 0 1px 2px rgba(0, 0, 0, .04), 0 1px 3px rgba(0, 0, 0, .06);--shadow: 0 4px 16px rgba(0, 0, 0, .06), 0 1px 4px rgba(0, 0, 0, .05);--shadow-lg: 0 24px 56px rgba(0, 0, 0, .14), 0 6px 16px rgba(0, 0, 0, .06);--radius: 14px;--radius-sm: 9px;--radius-lg: 20px;--content-max: 1180px;--font-body: "Inter", ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-heading: "Hanken Grotesk", "Inter", ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, sans-serif;color:var(--text);background:var(--background);font-family:var(--font-body);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*{box-sizing:border-box}html,body,#root{min-height:100%}body{background:var(--background);margin:0}button,input,select{font:inherit}button{align-items:center;background:var(--accent);border:1px solid transparent;border-radius:var(--radius-sm);color:#fff;cursor:pointer;display:inline-flex;font-size:.9rem;font-weight:600;justify-content:center;min-height:40px;padding:.6rem 1.1rem;transition:background-color .15s ease,box-shadow .15s ease,opacity .15s ease}button:hover:not(:disabled){background:var(--accent-hover)}button:active:not(:disabled){opacity:.85}button:focus-visible{outline:none;box-shadow:0 0 0 4px var(--accent-ring)}button:disabled{background:var(--surface-sunken);border-color:transparent;color:var(--text-soft);cursor:not-allowed}.secondary-button{background:#0000000d;border-color:transparent;color:var(--text)}.secondary-button:hover:not(:disabled){background:#00000017}input,select{background:var(--surface);border:1px solid var(--border-strong);border-radius:var(--radius-sm);color:var(--text);min-height:42px;padding:.62rem .85rem;width:100%;transition:border-color .13s ease,box-shadow .13s ease}input:focus,select:focus{border-color:var(--accent);outline:none;box-shadow:0 0 0 4px var(--accent-ring)}label{color:var(--text);display:grid;font-size:.82rem;font-weight:600;gap:.4rem}table{border-collapse:collapse;width:100%}th,td{border-bottom:1px solid var(--border);padding:.9rem 1rem;text-align:left;vertical-align:middle}th{color:var(--text-soft);font-size:.72rem;font-weight:600;letter-spacing:.04em;text-transform:uppercase}td{color:var(--text);font-size:.92rem}tbody tr:last-child td{border-bottom:none}.auth-shell{align-items:center;display:flex;min-height:100vh;justify-content:center;padding:1.5rem}.auth-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);display:grid;gap:1.1rem;max-width:400px;padding:2rem;width:100%}.auth-card h1,.page-header h1,.portal-hero h1{color:var(--primary);font-family:var(--font-heading);letter-spacing:-.022em;margin:0}.auth-card h1{font-size:1.85rem;line-height:1.1}.app-page{display:grid;gap:1.75rem;margin:0 auto;max-width:var(--content-max);padding:2.5rem 2.25rem;width:100%}.page-header{align-items:flex-end;display:flex;gap:1rem;justify-content:space-between;padding-bottom:.25rem}.page-header h1{font-size:clamp(1.9rem,3.2vw,2.6rem);line-height:1.05}.eyebrow{color:var(--text-soft);font-size:.74rem;font-weight:600;letter-spacing:.04em;margin:0 0 .4rem;text-transform:uppercase}.metric-grid{display:grid;gap:1rem;grid-template-columns:repeat(auto-fit,minmax(210px,1fr))}.metric-card,.class-card,.form-card,.table-card,.detail-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-sm)}.metric-card{display:grid;gap:.9rem;min-height:122px;padding:1.3rem 1.4rem}.metric-card span{color:var(--text-muted);font-size:.82rem;font-weight:500;letter-spacing:0;text-transform:none}.metric-card strong{color:var(--primary);font-family:var(--font-heading);font-size:2.4rem;letter-spacing:-.02em;line-height:1}.table-card{overflow:hidden}.table-card table{background:var(--surface)}.form-error{color:var(--error);font-size:.9rem;font-weight:500;margin:0}.form-info{background:var(--accent-soft);border:1px solid rgba(0,113,227,.2);border-radius:var(--radius-sm);color:var(--text);line-break:anywhere;margin:0;padding:.85rem .95rem}.dev-link{display:grid;gap:.45rem}.dev-link span{color:var(--text-muted);font-size:.72rem;font-weight:600;letter-spacing:.04em;text-transform:uppercase}.dev-link a{color:var(--accent);font-weight:600;width:max-content}.dev-link code{color:var(--text-muted);font-size:.76rem;word-break:break-all}.page-status{display:grid;gap:.75rem;padding:3rem}.page-status a{color:var(--accent)}.portal-page{display:grid;gap:2.5rem}.portal-top-grid{display:grid;gap:1rem;grid-template-columns:minmax(0,2fr) minmax(280px,1fr)}.portal-hero,.credit-panel{border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);min-height:200px;overflow:hidden;padding:2rem;position:relative}.portal-hero{background:linear-gradient(100deg,#fffffff7,#ffffffd1 58%,#ffffff59),url(/images/portal-hero.jpg) center / cover;display:flex;flex-direction:column;justify-content:center}.portal-hero h1{font-size:clamp(2rem,4.5vw,3.2rem);line-height:1.04;max-width:640px}.portal-hero p{color:var(--text-muted);font-size:1rem;line-height:1.55;margin:.85rem 0 0;max-width:560px}.credit-panel{background:var(--surface);color:var(--text);display:grid;gap:.9rem}.credit-panel-label{align-items:center;color:var(--text-muted);display:flex;font-size:.78rem;font-weight:600;justify-content:space-between;letter-spacing:.02em;text-transform:uppercase}.credit-panel-value{align-items:baseline;display:flex;gap:.55rem}.credit-panel-value strong{color:var(--secondary);font-family:var(--font-heading);font-size:3.6rem;letter-spacing:-.02em;line-height:1}.credit-panel-value span{color:var(--text-muted);font-weight:600}.credit-panel-note{color:var(--text-soft);margin:0}.portal-section{display:grid;gap:1rem}.section-title{align-items:end;display:flex;justify-content:space-between}.section-title h2{color:var(--primary);font-family:var(--font-heading);font-size:1.7rem;letter-spacing:-.02em;line-height:1.1;margin:0}.class-list{display:grid;gap:.85rem}.class-card{align-items:center;display:grid;gap:1rem;grid-template-columns:auto minmax(0,1fr) auto;padding:1.1rem 1.2rem}.class-date{align-items:center;background:var(--surface-sunken);border-radius:var(--radius-sm);display:grid;justify-items:center;min-width:72px;padding:.7rem .8rem}.class-date span{color:var(--text-muted);font-size:.7rem;font-weight:600;text-transform:uppercase}.class-date strong{color:var(--primary);font-family:var(--font-heading);font-size:1.6rem;letter-spacing:-.02em;line-height:1}.class-info{display:grid;gap:.3rem}.class-info strong{color:var(--primary);font-size:1rem}.class-info span{color:var(--text-muted);font-size:.88rem}.status-chip{background:#0000000d;border-radius:999px;color:var(--text-muted);display:inline-flex;font-size:.72rem;font-weight:600;letter-spacing:.01em;padding:.24rem .62rem;text-transform:none;width:max-content}.class-card button{min-width:140px}.app-shell{display:grid;grid-template-columns:250px minmax(0,1fr);min-height:100vh}.app-sidebar{align-self:start;background:var(--sidebar-bg);-webkit-backdrop-filter:blur(20px) saturate(180%);backdrop-filter:blur(20px) saturate(180%);border-right:1px solid var(--border);display:flex;flex-direction:column;gap:1.5rem;height:100vh;padding:1.6rem 1.1rem;position:sticky;top:0}.brand{display:grid;gap:.15rem;padding:.25rem .5rem}.brand-mark{color:var(--primary);font-family:var(--font-heading);font-size:1.3rem;font-weight:700;letter-spacing:-.01em}.brand-sub{color:var(--secondary);font-size:.68rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase}.app-nav{display:grid;gap:.15rem}.app-nav a{border-radius:var(--radius-sm);color:var(--text-muted);font-size:.9rem;font-weight:500;padding:.55rem .7rem;text-decoration:none;transition:background-color .13s ease,color .13s ease}.app-nav a:hover{background:#0000000b;color:var(--text)}.app-nav a.active{background:var(--accent-soft);color:var(--accent);font-weight:600}.app-user{border-top:1px solid var(--border);display:grid;gap:.75rem;margin-top:auto;padding:1.1rem .5rem .25rem}.app-user-info{display:grid;gap:.1rem}.app-user-info strong{color:var(--primary);font-size:.92rem}.app-user-info span{color:var(--text-soft);font-size:.74rem;text-transform:capitalize}.app-main{min-width:0}.form-card{display:grid;gap:1.1rem;padding:1.6rem}.form-card h2{color:var(--primary);font-family:var(--font-heading);font-size:1.35rem;letter-spacing:-.018em;margin:0}.grid-form{display:grid;gap:1rem;grid-template-columns:repeat(auto-fit,minmax(210px,1fr))}.grid-form-actions{align-items:end;display:flex}.grid-form-actions button{width:100%}.role-options{display:flex;flex-wrap:wrap;gap:.55rem;grid-column:1 / -1}.role-options label{align-items:center;background:var(--surface-sunken);border-radius:var(--radius-sm);cursor:pointer;flex-direction:row;font-size:.86rem;font-weight:500;gap:.4rem;padding:.42rem .7rem}.role-options input{min-height:auto;width:auto}.stack{display:grid;gap:1.25rem}.table-card-header{align-items:center;border-bottom:1px solid var(--border);display:flex;gap:1rem;justify-content:space-between;padding:1.1rem 1.2rem}.table-card-header strong{color:var(--primary);display:block;font-size:.98rem}.table-card-header span{color:var(--text-muted);font-size:.84rem}.row-actions{display:flex;gap:.5rem}.row-actions button{min-height:34px;padding:.35rem .8rem}.app-page a{color:var(--accent);font-weight:600}.header-filter{display:grid;gap:.35rem;min-width:220px}.header-filter span{color:var(--text-soft);font-size:.74rem;font-weight:600;letter-spacing:.04em;text-transform:uppercase}.muted-text{color:var(--text-muted);margin:0;max-width:70ch}.empty-state{color:var(--text-muted);margin:0}.split-grid{align-items:start;display:grid;gap:1.25rem;grid-template-columns:minmax(0,1.4fr) minmax(280px,1fr)}.split-grid .table-card tbody tr{cursor:pointer;transition:background-color .12s ease}.split-grid .table-card tbody tr:hover{background:var(--surface-2)}tr.row-selected{background:var(--accent-soft)}.detail-card{padding:1.6rem}.detail-card h2{color:var(--primary);font-family:var(--font-heading);font-size:1.4rem;letter-spacing:-.018em;margin:.2rem 0}.detail-card h3{color:var(--primary);font-family:var(--font-heading);font-size:.98rem;letter-spacing:-.01em;margin:0 0 .5rem}.history-list{display:grid;gap:.5rem;list-style:none;margin:0;padding:0}.history-list li{border-bottom:1px solid var(--border);display:grid;gap:.15rem;padding-bottom:.5rem}.history-list li:last-child{border-bottom:none}.history-list li span:first-child{color:var(--text);font-size:.9rem;font-weight:600}.history-list li span:last-child{color:var(--text-muted);font-size:.82rem}@media(max-width:820px){.app-shell{grid-template-columns:1fr}.app-sidebar{flex-direction:column;gap:1rem;height:auto;padding:1rem;position:static}.app-nav{grid-auto-flow:column;grid-auto-columns:max-content;overflow-x:auto}.app-user{margin-top:0}.app-page{padding:1.5rem 1.1rem}.page-header,.section-title{align-items:stretch;flex-direction:column}.portal-top-grid,.split-grid{grid-template-columns:1fr}.portal-hero,.credit-panel{min-height:auto;padding:1.4rem}.grid-form{grid-template-columns:1fr}.class-card{align-items:stretch;grid-template-columns:1fr}.class-date{align-items:center;display:flex;gap:.5rem;justify-content:flex-start}.class-card button{width:100%}}.kanban-board{display:grid;grid-auto-flow:column;grid-auto-columns:minmax(260px,1fr);gap:1rem;overflow-x:auto;padding-bottom:.5rem;scroll-snap-type:x proximity}.kanban-column{background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius);display:flex;flex-direction:column;min-height:280px;scroll-snap-align:start;transition:background-color .12s ease,border-color .12s ease}.kanban-column[data-over]{background:var(--accent-soft);border-color:var(--accent)}.kanban-column-header{align-items:center;border-bottom:1px solid var(--border);display:flex;font-size:.85rem;font-weight:600;gap:.5rem;justify-content:space-between;letter-spacing:.01em;padding:.75rem 1rem;text-transform:capitalize}.kanban-column-title{color:var(--primary)}.kanban-column-count{background:var(--surface-sunken);border-radius:999px;color:var(--text-muted);font-size:.75rem;font-weight:600;min-width:1.5rem;padding:.1rem .5rem;text-align:center}.kanban-column-body{display:flex;flex-direction:column;gap:.6rem;padding:.75rem;flex:1}.kanban-empty{color:var(--text-soft);font-size:.85rem;margin:0;padding:.5rem .25rem;text-align:center}.kanban-card{background:var(--surface);border:1px solid var(--border);border-radius:calc(var(--radius) - 4px);box-shadow:var(--shadow-sm);cursor:grab;display:flex;flex-direction:column;gap:.35rem;padding:.75rem;touch-action:none;-webkit-user-select:none;user-select:none;transition:box-shadow .12s ease,transform 0ms}.kanban-card:hover{box-shadow:var(--shadow)}.kanban-card[data-dragging]{cursor:grabbing;opacity:.85;box-shadow:var(--shadow-lg);z-index:10}.kanban-card-name{color:var(--primary);font-size:.95rem;font-weight:600;margin:0}.kanban-card-meta{color:var(--text-muted);font-size:.8rem;margin:0}.kanban-card-action{align-self:flex-start;margin-top:.25rem}.class-confirmed{align-items:center;color:var(--text-muted);display:inline-flex;font-size:.85rem;font-weight:600;gap:.35rem;justify-content:center;padding:.45rem 1rem}.class-confirmed:before{content:"✓";color:var(--accent)}.filters-bar{align-items:end;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-sm);display:grid;gap:1rem;grid-template-columns:1fr 220px auto;padding:1rem 1.2rem}.filters-bar label{display:flex;flex-direction:column;gap:.35rem;font-size:.8rem;font-weight:600;color:var(--text-muted);letter-spacing:.01em}.filters-bar input,.filters-bar select{font-size:.95rem;font-weight:400;color:var(--text)}.filters-count{align-items:center;color:var(--text-muted);display:inline-flex;font-size:.85rem;gap:.5rem;white-space:nowrap}.filters-clear{background:transparent;border:1px solid var(--border-strong);border-radius:999px;color:var(--accent);cursor:pointer;font-size:.8rem;padding:.2rem .7rem}.filters-clear:hover{background:var(--accent-soft)}@media(max-width:760px){.filters-bar{grid-template-columns:1fr}}.danger-button{border-color:#ff3b3066;color:var(--error)}.danger-button:hover{background:#ff3b3014;border-color:var(--error)}@media(max-width:640px){.app-page{padding:1rem .85rem;gap:1.2rem}.table-card{overflow-x:auto}.table-card table{min-width:520px}.table-card-header{align-items:stretch;flex-direction:column;gap:.5rem}.row-actions{flex-wrap:wrap}.row-actions button,.grid-form-actions button,.class-card button,.filters-bar button{min-height:44px;padding-block:.65rem}.credit-panel-value strong{font-size:2.6rem}.portal-hero h1{font-size:clamp(1.6rem,7vw,2.2rem)}.portal-hero,.credit-panel{padding:1.2rem}.kanban-board{grid-auto-columns:85vw}.filters-bar{grid-template-columns:1fr}.filters-count{justify-content:space-between}}
