:root{--color-primary: #4f46e5;--color-primary-hover: #4338ca;--color-secondary: #64748b;--color-background: #ffffff;--color-surface: #f8fafc;--color-text: #1e293b;--color-text-muted: #64748b;--color-border: #e2e8f0;--color-error: #ef4444;--color-success: #22c55e;--font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-family-fancy: "Cinzel", serif;--font-family-body: "Alegreya", serif;--font-size-sm: .875rem;--font-size-base: 1rem;--font-size-lg: 1.125rem;--font-size-xl: 1.25rem;--font-size-2xl: 1.5rem;--font-size-3xl: 2rem;--spacing-xs: .25rem;--spacing-sm: .5rem;--spacing-md: 1rem;--spacing-lg: 1.5rem;--spacing-xl: 2rem;--spacing-2xl: 3rem;--radius-sm: .25rem;--radius-md: .5rem;--radius-lg: .75rem;--radius-full: 9999px;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .1);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1)}*,*:before,*:after{box-sizing:border-box}*{margin:0}html{-webkit-text-size-adjust:100%}body{line-height:1.5;-webkit-font-smoothing:antialiased}img,picture,video,canvas,svg{display:block;max-width:100%}input,button,textarea,select{font:inherit}p,h1,h2,h3,h4,h5,h6{overflow-wrap:break-word}body{font-family:var(--font-family);font-size:var(--font-size-base);color:var(--color-text);background-color:var(--color-background)}.btn{display:inline-flex;align-items:center;justify-content:center;padding:var(--spacing-sm) var(--spacing-md);font-size:var(--font-size-base);font-weight:500;border:none;border-radius:var(--radius-md);cursor:pointer;transition:background-color .15s ease;text-decoration:none}.btn-primary{background-color:var(--color-primary);color:#fff}.btn-primary:hover{background-color:var(--color-primary-hover)}.btn-secondary{background-color:var(--color-surface);color:var(--color-text);border:1px solid var(--color-border)}.btn-secondary:hover{background-color:var(--color-border)}.input{width:100%;padding:var(--spacing-sm) var(--spacing-md);font-size:var(--font-size-base);border:1px solid var(--color-border);border-radius:var(--radius-md);background-color:var(--color-background)}.input:focus{outline:2px solid var(--color-primary);outline-offset:-1px;border-color:var(--color-primary)}.card{background-color:var(--color-background);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--spacing-lg);box-shadow:var(--shadow-sm)}.admin-layout{display:flex;flex-direction:column;min-height:100vh}.admin-header{display:flex;align-items:center;gap:var(--spacing-md);padding:var(--spacing-sm) var(--spacing-lg);background-color:var(--color-surface);border-bottom:1px solid var(--color-border)}.admin-brand{font-weight:600;font-size:var(--font-size-lg)}.admin-nav{flex:1;display:flex;gap:var(--spacing-sm)}.admin-nav-link{padding:var(--spacing-xs) var(--spacing-sm);border-radius:var(--radius-md);text-decoration:none;color:var(--color-text-muted);font-size:var(--font-size-sm)}.admin-nav-link.active,.admin-nav-link:hover{color:var(--color-primary);background-color:var(--color-background)}.admin-logout{font-size:var(--font-size-sm)}.admin-main{flex:1;padding:var(--spacing-lg);overflow:hidden}.login-container{display:flex;align-items:center;justify-content:center;min-height:100vh}.login-card{width:100%;max-width:360px;display:flex;flex-direction:column;gap:var(--spacing-md)}.login-card h1{font-size:var(--font-size-xl);text-align:center}.login-error{color:var(--color-error);font-size:var(--font-size-sm)}.logs-page{display:flex;flex-direction:column;height:100%}.logs-error{color:var(--color-error);font-size:var(--font-size-sm);margin-bottom:var(--spacing-sm)}.logs-columns{display:grid;grid-template-columns:180px 320px 1fr;gap:var(--spacing-md);height:calc(100vh - 120px)}.logs-column{display:flex;flex-direction:column;overflow:hidden}.logs-column h2{font-size:var(--font-size-sm);font-weight:600;text-transform:uppercase;color:var(--color-text-muted);margin-bottom:var(--spacing-sm)}.logs-list{list-style:none;padding:0;margin:0;overflow-y:auto;flex:1}.logs-list-item{display:block;width:100%;text-align:left;padding:var(--spacing-xs) var(--spacing-sm);border:none;background:none;cursor:pointer;font-size:var(--font-size-sm);font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;border-radius:var(--radius-sm);color:var(--color-text);word-break:break-all}.logs-list-item:hover{background-color:var(--color-surface)}.logs-list-item.active{background-color:var(--color-primary);color:#fff}.logs-empty{color:var(--color-text-muted);font-size:var(--font-size-sm);padding:var(--spacing-xs) var(--spacing-sm)}.logs-viewer{min-width:0}.logs-content{flex:1;overflow:auto;background-color:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);padding:var(--spacing-sm);font-size:var(--font-size-sm);margin:0}.log-count{font-weight:400;color:var(--color-text-muted)}.log-refresh{margin-left:var(--spacing-sm);padding:0 var(--spacing-sm);border:none;background:none;cursor:pointer;font-size:.75rem;color:var(--color-primary);font-weight:400;text-transform:none}.log-refresh:hover{text-decoration:underline}.log-date-separator{font-size:.75rem;font-weight:600;color:var(--color-text-muted);padding:var(--spacing-sm) var(--spacing-sm) var(--spacing-xs);border-top:1px solid var(--color-border);margin-top:var(--spacing-xs)}.log-date-separator:first-child{border-top:none;margin-top:0}.log-row{border-radius:var(--radius-sm)}.log-row:hover,.log-row.expanded{background-color:var(--color-background)}.log-row-header{display:flex;align-items:baseline;gap:var(--spacing-sm);width:100%;text-align:left;padding:3px var(--spacing-sm);border:none;background:none;cursor:pointer;font-size:var(--font-size-sm);font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;color:var(--color-text);line-height:1.4}.log-ts{color:var(--color-text-muted);flex-shrink:0;font-size:.75rem}.log-json-badge{font-size:.625rem;font-weight:600;text-transform:uppercase;color:var(--color-primary);background-color:color-mix(in srgb,var(--color-primary) 10%,transparent);padding:0 4px;border-radius:var(--radius-sm);flex-shrink:0}.log-preview{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;min-width:0}.log-row-detail{padding:var(--spacing-xs) var(--spacing-sm) var(--spacing-sm) var(--spacing-sm);margin-left:var(--spacing-sm);border-left:2px solid var(--color-border)}.log-raw-message{margin:0;white-space:pre-wrap;word-break:break-all;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:var(--font-size-sm)}.json-tree{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:var(--font-size-sm);line-height:1.5}.json-key{color:#881391}.json-str{color:#0b7c3e}.json-num,.json-bool{color:#1750eb}.json-null,.json-bracket{color:var(--color-text-muted)}.home-page{display:flex;flex-direction:column;gap:var(--spacing-lg)}.search-form{display:flex;gap:var(--spacing-sm)}.search-input{flex:1;max-width:480px;padding:var(--spacing-sm);border:1px solid var(--color-border);border-radius:var(--radius-md);font-size:var(--font-size-md);background-color:var(--color-surface);color:var(--color-text)}.search-input:focus{outline:none;border-color:var(--color-primary)}.search-btn{padding:var(--spacing-sm) var(--spacing-lg)}.search-error{color:var(--color-error);font-size:var(--font-size-sm)}.search-results{display:flex;flex-direction:column;gap:var(--spacing-lg)}.search-section h2{font-size:var(--font-size-md);margin-bottom:var(--spacing-sm)}.search-empty{color:var(--color-text-muted);font-size:var(--font-size-sm)}.search-table{width:100%;border-collapse:collapse;font-size:var(--font-size-sm)}.search-table th{text-align:left;padding:var(--spacing-xs) var(--spacing-sm);border-bottom:2px solid var(--color-border);color:var(--color-text-muted);font-weight:600;font-size:var(--font-size-xs);text-transform:uppercase}.search-table td{padding:var(--spacing-xs) var(--spacing-sm);border-bottom:1px solid var(--color-border)}.search-table tr:hover{background-color:var(--color-surface)}.search-table.clickable-rows tbody tr{cursor:pointer}.search-table.clickable-rows tbody tr:hover{background-color:color-mix(in srgb,var(--color-primary) 8%,transparent)}.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:.85em}.role-badge{display:inline-block;padding:1px 6px;border-radius:var(--radius-sm);font-size:var(--font-size-xs);font-weight:600;text-transform:uppercase;background-color:var(--color-surface);color:var(--color-text-muted)}.role-badge.role-admin{color:#c53030;background-color:#fff5f5}.role-badge.role-teacher{color:#2b6cb0;background-color:#ebf8ff}.role-badge.role-parent{color:#2f855a;background-color:#f0fff4}.role-badge.role-student{color:#b7791f;background-color:ivory}.role-badge.role-guest{color:var(--color-text-muted);background-color:var(--color-surface)}.detail-link{color:var(--color-primary);text-decoration:none;font-weight:500}.detail-link:hover{text-decoration:underline}.profile-detail{display:flex;flex-direction:column;gap:var(--spacing-lg)}.back-link{color:var(--color-text-muted);text-decoration:none;font-size:var(--font-size-sm)}.back-link:hover{color:var(--color-primary)}.profile-card{background-color:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);padding:var(--spacing-lg)}.profile-card h2{font-size:var(--font-size-lg);margin-bottom:var(--spacing-md)}.profile-fields{display:grid;grid-template-columns:120px 1fr;gap:var(--spacing-xs) var(--spacing-md);font-size:var(--font-size-sm)}.profile-fields dt{color:var(--color-text-muted);font-weight:600}.profile-fields dd{margin:0}.profile-logs-section{display:flex;flex-direction:column;gap:var(--spacing-sm)}.profile-logs-section h3{font-size:var(--font-size-md);display:flex;align-items:center}.profile-logs-content{max-height:calc(100vh - 500px);white-space:pre-wrap;word-break:break-all;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace}