.envelope{border:1px solid var(--border);border-radius:var(--radius);background:var(--surface-raised);overflow:hidden}.envelope-toggle{display:flex;flex-wrap:wrap;align-items:center;gap:.25rem .75rem;width:100%;padding:.75rem 1rem;border:0;background:none;color:inherit;font:inherit;text-align:left;cursor:pointer}.envelope-toggle:hover{background:var(--surface)}.envelope-flap{width:1.75rem;height:1.25rem;border:1px solid var(--text-muted);border-radius:2px;background-image:linear-gradient(135deg,transparent 44%,var(--text-muted) 44%,var(--text-muted) 53%,transparent 53%),linear-gradient(225deg,transparent 44%,var(--text-muted) 44%,var(--text-muted) 53%,transparent 53%);background-size:50% 100%;background-position:left top,right top;background-repeat:no-repeat;transition:transform .25s ease}.envelope.open .envelope-flap{transform:rotate(-8deg)}.envelope-correspondent{flex:1 1 12rem;font-weight:600;overflow-wrap:anywhere}.envelope-date,.envelope-hint{margin-left:auto;color:var(--text-muted);font-size:.85rem;white-space:nowrap}.card-bg{padding:1.25rem 1rem 1.5rem;border-top:1px solid var(--border)}.card-message{margin:0;padding:1rem;border-radius:var(--radius);background:var(--surface);color:var(--text);font-size:1.05rem;line-height:1.5;text-align:center;white-space:pre-wrap;overflow-wrap:anywhere}.card-bg-blossom{background:linear-gradient(135deg,#f8c8d8,#f4e2d8)}.card-bg-sunrise{background:linear-gradient(135deg,#ffd89b,#ff8f6b)}.card-bg-meadow{background:linear-gradient(135deg,#c6e6a8,#8fd3a0)}.card-bg-ocean{background:linear-gradient(135deg,#a8d8f0,#6fa8dc)}.card-bg-dusk{background:linear-gradient(135deg,#b8a8e0,#6b5b95)}.card-bg-gold{background:linear-gradient(135deg,#f5e6a8,#d4af37)}.background-picker{display:flex;flex-wrap:wrap;gap:.5rem;margin:0;padding:0;border:0}.background-picker legend{padding:0;margin-bottom:.5rem}.background-swatch{display:inline-flex;align-items:center;gap:.4rem;padding:.4rem .7rem;border:2px solid var(--border);border-radius:var(--radius);cursor:pointer;font-size:.9rem;color:#16191d}.background-swatch:focus-within{outline:2px solid var(--accent);outline-offset:2px}.background-swatch:has(input:checked){border-color:var(--accent)}.bg-blossom{background:linear-gradient(135deg,#f8c8d8,#f4e2d8)}.bg-sunrise{background:linear-gradient(135deg,#ffd89b,#ff8f6b)}.bg-meadow{background:linear-gradient(135deg,#c6e6a8,#8fd3a0)}.bg-ocean{background:linear-gradient(135deg,#a8d8f0,#6fa8dc)}.bg-dusk{background:linear-gradient(135deg,#b8a8e0,#6b5b95);color:#fff}.bg-gold{background:linear-gradient(135deg,#f5e6a8,#d4af37)}.card-list{display:grid;gap:.75rem;margin:0;padding:0;list-style:none}.box-tabs{display:flex;gap:.5rem;margin-bottom:1rem}.box-tabs button.active{border-color:var(--accent);font-weight:600}.card-compose form{display:grid;gap:.5rem;max-width:32rem}.card-compose textarea{font:inherit}.card-sent-notice{border-color:var(--success);color:var(--success)}:root{--surface: #ffffff;--surface-raised: #f4f5f7;--border: #d8dbe0;--text: #16191d;--text-muted: #5b6371;--accent: #1f5fbf;--accent-contrast: #ffffff;--danger: #a4262c;--danger-surface: #fdeced;--success: #1a7f4b;--warning: #8a6100;--radius: 10px;--space: 1rem}@media(prefers-color-scheme:dark){:root{--surface: #16191d;--surface-raised: #1f242b;--border: #333b45;--text: #f2f4f7;--text-muted: #a4adbb;--accent: #74a8f5;--accent-contrast: #10131a;--danger: #ff9aa0;--danger-surface: #3a1f22;--success: #6ddc9f;--warning: #e9c46a}}*{box-sizing:border-box}body{margin:0;background:var(--surface);color:var(--text);font-family:system-ui,-apple-system,Segoe UI,sans-serif;line-height:1.5}h1{font-size:1.5rem;margin:0 0 .5rem}h2{font-size:1.15rem;margin:2rem 0 .5rem}h3{font-size:1rem;margin:0 0 .25rem}a{color:var(--accent)}button,input,select{font:inherit;min-height:44px;padding:.5rem .75rem;border-radius:var(--radius);border:1px solid var(--border);background:var(--surface-raised);color:var(--text)}button{cursor:pointer}button:disabled{opacity:.55;cursor:not-allowed}button.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-contrast);font-weight:600}button.link-button{min-height:auto;padding:0;border:none;background:none;color:var(--accent);text-decoration:underline}:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}.hint{color:var(--text-muted);font-size:.9rem}.centered-state{display:grid;place-items:center;min-height:60vh;padding:var(--space)}.app-header{display:flex;flex-wrap:wrap;gap:.75rem;align-items:center;padding:.75rem var(--space);border-bottom:1px solid var(--border);background:var(--surface-raised)}.app-brand{font-weight:700;text-decoration:none;color:var(--text)}.app-header nav{display:flex;flex-wrap:wrap;gap:.75rem}.app-header-end{display:flex;flex-wrap:wrap;gap:.5rem;align-items:center;margin-left:auto}.signed-in-as{color:var(--text-muted);font-size:.85rem}.language-switcher{display:inline-flex;gap:.25rem}.language-switcher button{min-height:36px;padding:.25rem .6rem}.language-switcher button.is-active{background:var(--accent);border-color:var(--accent);color:var(--accent-contrast)}main{padding:var(--space)}.page-frame{max-width:60rem;margin:0 auto}.page-intro{color:var(--text-muted);margin-top:0}.breadcrumbs ol{display:flex;flex-wrap:wrap;gap:.5rem;list-style:none;margin:0 0 1rem;padding:0;font-size:.9rem;color:var(--text-muted)}.breadcrumbs li+li:before{content:"/";margin-right:.5rem;color:var(--border)}.alert{padding:.75rem;border-radius:var(--radius);border:1px solid transparent}.alert-error{background:var(--danger-surface);border-color:var(--danger);color:var(--danger)}.alert-warning{background:var(--surface-raised);border-color:var(--warning);color:var(--warning)}.empty-state{padding:1.5rem;border:1px dashed var(--border);border-radius:var(--radius);text-align:center;color:var(--text-muted)}.app-grid{display:grid;gap:var(--space);grid-template-columns:1fr;list-style:none;margin:0;padding:0}@media(min-width:40rem){.app-grid{grid-template-columns:repeat(auto-fill,minmax(16rem,1fr))}}.app-card{display:flex;flex-direction:column;gap:.35rem;padding:var(--space);border:1px solid var(--border);border-radius:var(--radius);background:var(--surface-raised)}.app-card p{flex:1;margin:0;color:var(--text-muted);font-size:.9rem}.app-icon{width:2rem;height:2rem;border-radius:50%;background:var(--accent);opacity:.85}.app-icon-administration{background:var(--warning)}.app-icon-gratitude-cards{background:var(--success)}.login-page{display:grid;place-items:center;min-height:100vh}.login-card{width:min(32rem,100%);display:flex;flex-direction:column;gap:var(--space);padding:1.5rem;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface-raised)}.login-card-head{display:flex;align-items:center;justify-content:space-between;gap:var(--space)}.login-card-head h1{margin:0}.mock-identities{display:flex;flex-direction:column;gap:.5rem;border:1px solid var(--border);border-radius:var(--radius);padding:var(--space);margin:0}.mock-identities button{display:flex;flex-direction:column;align-items:flex-start;text-align:left}.mock-identities button span{color:var(--text-muted);font-size:.85rem}.mock-identities button.is-active{border-color:var(--accent)}.stopwatch-display{font-size:clamp(2.5rem,14vw,4.5rem);font-variant-numeric:tabular-nums;font-weight:700;margin:1rem 0;text-align:center}.button-row{display:flex;flex-wrap:wrap;gap:.5rem}.button-row button{flex:1 1 8rem}.data-table{width:100%;border-collapse:collapse;font-variant-numeric:tabular-nums}.data-table th,.data-table td{padding:.5rem;border-bottom:1px solid var(--border);text-align:left}.badge{display:inline-block;padding:.1rem .5rem;border-radius:999px;border:1px solid currentcolor;font-size:.8rem}.badge-pending{color:var(--warning)}.badge-active{color:var(--success)}.grant-form{display:flex;flex-wrap:wrap;gap:.75rem;align-items:flex-end}.grant-form label{display:flex;flex-direction:column;gap:.25rem;flex:1 1 14rem;font-size:.9rem}.user-list{list-style:none;margin:0;padding:0;display:grid;gap:.5rem}.user-list li{display:flex;flex-wrap:wrap;gap:.5rem 1rem;padding:.75rem;border:1px solid var(--border);border-radius:var(--radius)}.user-list span{color:var(--text-muted);font-size:.9rem}.diagnostics{border-top:1px solid var(--border);padding-top:.75rem}.diagnostics-header{display:flex;gap:.75rem;align-items:center;flex-wrap:wrap}.diagnostics-count{color:var(--text-muted);font-size:.85rem}.diagnostics-list{list-style:none;margin:0;padding:0;display:grid;gap:.5rem;max-height:24rem;overflow-y:auto}.diagnostic{padding:.5rem;border-left:3px solid var(--border);background:var(--surface);border-radius:0 var(--radius) var(--radius) 0}.diagnostic p{margin:.25rem 0;font-size:.9rem}.diagnostic-head{display:flex;justify-content:space-between;gap:.5rem;font-size:.8rem;color:var(--text-muted)}.diagnostic pre{margin:0;overflow-x:auto;font-size:.75rem;color:var(--text-muted)}.diagnostic-success{border-left-color:var(--success)}.diagnostic-warning{border-left-color:var(--warning)}.diagnostic-error{border-left-color:var(--danger)}