/* ============================================================
   StudyPilot — Design System (identique à JobPilot)
   Palette : Material Design 3 · Teal/Green
   Police  : DM Sans + JetBrains Mono
   ============================================================ */

:root {
  --md-primary:#006B5E;--md-on-primary:#FFF;--md-primary-ctr:#6CF8E2;--md-on-primary-ctr:#00201A;
  --md-secondary:#4B635D;--md-on-secondary:#FFF;--md-secondary-ctr:#CDE8DF;--md-on-secondary-ctr:#07201B;
  --md-tertiary:#406278;--md-tertiary-ctr:#C4E7FF;--md-on-tertiary-ctr:#001E2F;
  --md-error:#BA1A1A;--md-on-error:#FFF;--md-error-ctr:#FFDAD6;--md-on-error-ctr:#410002;
  --md-surface:#F6FBF8;--md-surface-ctr-low:#F0F5F2;--md-surface-ctr:#EAF0EC;
  --md-surface-ctr-high:#E4EAE6;--md-surface-ctr-highest:#DEE4E1;
  --md-on-surface:#181D1B;--md-on-surface-var:#3F4946;
  --md-outline:#6F7976;--md-outline-var:#BFC9C5;
  --md-inverse-surface:#2D3230;--md-inverse-on-surface:#EDF1EE;
  --elev1:0 1px 3px 1px rgba(0,0,0,.07),0 1px 2px rgba(0,0,0,.1);
  --elev2:0 2px 6px 2px rgba(0,0,0,.07),0 1px 2px rgba(0,0,0,.1);
  --elev3:0 4px 8px 3px rgba(0,0,0,.07),0 1px 3px rgba(0,0,0,.1);
  --r-xs:4px;--r-sm:8px;--r-md:12px;--r-lg:16px;--r-xl:28px;--r-full:9999px;
  --nav-w:272px;--nav-collapsed-w:72px;
}

[data-theme="dark"] {
  --md-primary:#6CF8E2;--md-on-primary:#003731;--md-primary-ctr:#004E45;--md-on-primary-ctr:#6CF8E2;
  --md-secondary:#B1CCC6;--md-on-secondary:#1C3531;--md-secondary-ctr:#324B47;--md-on-secondary-ctr:#CDE8DF;
  --md-tertiary:#A0CFE6;--md-tertiary-ctr:#1D4D62;--md-on-tertiary-ctr:#A0CFE6;
  --md-error:#FFB4AB;--md-on-error:#690005;--md-error-ctr:#93000A;
  --md-surface:#0E1412;--md-surface-ctr-low:#171D1B;--md-surface-ctr:#1B2220;
  --md-surface-ctr-high:#252B29;--md-surface-ctr-highest:#303632;
  --md-on-surface:#DEE4E1;--md-on-surface-var:#BFC9C5;
  --md-outline:#89938F;--md-outline-var:#3F4946;
  --md-inverse-surface:#DEE4E1;--md-inverse-on-surface:#2D3230;
  --elev1:0 1px 3px 1px rgba(0,0,0,.25),0 1px 2px rgba(0,0,0,.3);
  --elev2:0 2px 6px 2px rgba(0,0,0,.25),0 1px 2px rgba(0,0,0,.3);
  --elev3:0 4px 8px 3px rgba(0,0,0,.25),0 1px 3px rgba(0,0,0,.3);
}

/* ── Reset ─────────────────────────────────────────────────── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'DM Sans',system-ui,sans-serif;background:var(--md-surface);color:var(--md-on-surface);line-height:1.5;-webkit-font-smoothing:antialiased;overflow-x:hidden}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
input,textarea,select{font-family:inherit;color:inherit}
a{color:inherit;text-decoration:none}
.material-symbols-rounded{font-variation-settings:'FILL' 0,'wght' 400,'GRAD' 0,'opsz' 24;font-size:24px;vertical-align:middle;line-height:1;display:inline-block}
.ico-f{font-variation-settings:'FILL' 1,'wght' 400,'GRAD' 0,'opsz' 24}

/* ── Loading ───────────────────────────────────────────────── */
.loading-overlay{
  position:fixed;inset:0;z-index:1200;
  background:rgba(24,29,27,.28);backdrop-filter:blur(2px);
  display:grid;place-items:center;transition:opacity .22s ease;
}
.loading-overlay.hide{opacity:0;pointer-events:none}
.loading-box{
  min-width:252px;background:var(--md-surface);
  border:1px solid var(--md-outline-var);border-radius:var(--r-lg);
  box-shadow:0 12px 34px rgba(0,0,0,.18);
  padding:20px 22px;display:flex;align-items:center;gap:12px;
}
[data-theme="dark"] .loading-box{background:var(--md-surface-ctr-low)}
.loading-spinner{width:24px;height:24px;border-radius:50%;border:3px solid var(--md-outline-var);border-top-color:var(--md-primary);animation:spin .8s linear infinite}
.loading-box p{font-size:15px;color:var(--md-on-surface-var)}
@keyframes spin{to{transform:rotate(360deg)}}

/* ── Side Nav ──────────────────────────────────────────────── */
.side-nav{
  position:fixed;top:0;left:0;bottom:0;width:var(--nav-w);
  background:var(--md-surface-ctr-low);z-index:100;
  display:flex;flex-direction:column;
  transition:width .28s cubic-bezier(.4,0,.2,1);
  overflow-y:auto;overflow-x:hidden;
  border-right:1px solid var(--md-outline-var);
}
.nav-collapsed .side-nav{width:var(--nav-collapsed-w)}
.nav-collapsed .side-nav .nav-brand{display:none}
.nav-collapsed .side-nav .nav-sep{display:none}
.nav-collapsed .side-nav .nav-label{display:none}
.nav-collapsed .side-nav .nav-item{justify-content:center;padding:0;margin:2px 8px;font-size:0;gap:0}
.nav-collapsed .side-nav .nav-item .material-symbols-rounded{font-size:22px}

.nav-collapse-btn{
  position:fixed;left:calc(var(--nav-w) - 13px);top:22px;
  width:26px;height:26px;background:var(--md-surface-ctr-low);
  border:1.5px solid var(--md-outline-var);border-radius:50%;
  display:grid;place-items:center;z-index:101;cursor:pointer;
  color:var(--md-on-surface-var);box-shadow:var(--elev1);
  transition:left .28s cubic-bezier(.4,0,.2,1),background .15s;
}
.nav-collapse-btn:hover{background:var(--md-secondary-ctr);color:var(--md-on-secondary-ctr)}
.nav-collapse-btn .material-symbols-rounded{font-size:18px;transition:transform .28s cubic-bezier(.4,0,.2,1)}
.nav-collapsed .nav-collapse-btn{left:calc(var(--nav-collapsed-w) - 13px)}
.nav-collapsed .nav-collapse-btn .material-symbols-rounded{transform:rotate(180deg)}

.nav-header{padding:20px 16px 8px;display:flex;align-items:center;gap:12px}
.nav-logo{width:42px;height:42px;flex-shrink:0;border-radius:var(--r-md);display:grid;place-items:center}
.nav-logo .material-symbols-rounded{font-size:24px}
.nav-brand{font-size:20px;font-weight:600;letter-spacing:-.3px;white-space:nowrap}
.nav-brand small{display:block;font-size:11px;font-weight:400;color:var(--md-on-surface-var);letter-spacing:0}
.nav-sep{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.8px;color:var(--md-on-surface-var);padding:20px 16px 8px;white-space:nowrap}

.nav-list{list-style:none;flex:1;padding:4px 0}
.nav-item{
  display:flex;align-items:center;gap:12px;padding:0 12px;height:48px;
  margin:2px 12px;border-radius:var(--r-full);
  transition:background .15s;font-size:14px;font-weight:500;
  color:var(--md-on-surface-var);white-space:nowrap;cursor:pointer;
}
.nav-item .material-symbols-rounded{font-size:22px;flex-shrink:0}
.nav-item:hover{background:rgba(0,107,94,.08)}
[data-theme="dark"] .nav-item:hover{background:rgba(108,248,226,.12)}
.nav-item.active{background:var(--md-secondary-ctr);color:var(--md-on-secondary-ctr);font-weight:600}
.nav-item.active .material-symbols-rounded{font-variation-settings:'FILL' 1,'wght' 500,'GRAD' 0,'opsz' 24}

.nav-footer{padding:12px 16px;border-top:1px solid var(--md-outline-var);display:flex;align-items:center;gap:8px}
.nav-scrim{position:fixed;inset:0;background:rgba(0,0,0,.4);z-index:99;opacity:0;pointer-events:none;transition:opacity .25s}
.nav-scrim.open{opacity:1;pointer-events:auto}

/* ── Main ──────────────────────────────────────────────────── */
.main{margin-left:var(--nav-w);min-height:100vh;transition:margin-left .28s cubic-bezier(.4,0,.2,1)}
.nav-collapsed .main{margin-left:var(--nav-collapsed-w)}

/* ── Topbar ────────────────────────────────────────────────── */
.topbar{
  position:sticky;top:0;z-index:50;height:64px;padding:0 24px;
  display:flex;align-items:center;gap:12px;
  background:var(--md-surface);
  transition:box-shadow .2s,background .2s;
}
.topbar.scrolled{
  background:var(--md-surface-ctr);
  box-shadow:var(--elev1);
}
.topbar .menu-btn{display:none;width:48px;height:48px;border-radius:var(--r-full);place-items:center}
.topbar .menu-btn:hover{background:rgba(0,0,0,.06)}
[data-theme="dark"] .topbar .menu-btn:hover{background:rgba(255,255,255,.1)}
.pg-title{font-size:22px;font-weight:600;letter-spacing:-.3px;flex:1}

/* Bouton d'action page (desktop) */
.btn-page-action{
  display:inline-flex;align-items:center;gap:8px;
  padding:0 20px;height:44px;border-radius:var(--r-md);
  background:var(--md-primary);color:var(--md-on-primary);
  font-size:14px;font-weight:600;
  box-shadow:var(--elev1);cursor:pointer;border:none;
  transition:filter .15s,box-shadow .15s,transform .1s;
  white-space:nowrap;flex-shrink:0;
}
.btn-page-action .material-symbols-rounded{font-size:18px}
.btn-page-action:hover{filter:brightness(.88);box-shadow:var(--elev2)}
.btn-page-action:active{transform:scale(.96);filter:brightness(.76)}


.icon-btn{width:44px;height:44px;border-radius:var(--r-full);display:grid;place-items:center;transition:background .15s;color:var(--md-on-surface-var)}
.icon-btn:hover{background:rgba(0,0,0,.06)}
[data-theme="dark"] .icon-btn:hover{background:rgba(255,255,255,.1)}
.icon-btn .material-symbols-rounded{font-size:24px}

/* ── Buttons ───────────────────────────────────────────────── */
.btn-filled{
  display:inline-flex;align-items:center;gap:8px;padding:0 24px;height:48px;
  border-radius:var(--r-full);background:var(--md-primary);color:var(--md-on-primary);
  font-size:14px;font-weight:600;box-shadow:var(--elev1);
  transition:filter .18s,box-shadow .18s,transform .12s;
}
.btn-filled .material-symbols-rounded{font-size:20px}
.btn-filled:hover{filter:brightness(.82);box-shadow:var(--elev2)}
.btn-filled:active{transform:scale(.96);filter:brightness(.75)}

.btn-tonal{
  display:inline-flex;align-items:center;gap:8px;padding:0 20px;height:44px;
  border-radius:var(--r-full);background:var(--md-secondary-ctr);color:var(--md-on-secondary-ctr);
  font-size:14px;font-weight:500;
  transition:filter .18s,box-shadow .18s,transform .12s;
}
.btn-tonal .material-symbols-rounded{font-size:20px}
.btn-tonal:hover{filter:brightness(.88);box-shadow:var(--elev1)}
.btn-tonal:active{transform:scale(.96)}

.btn-text{padding:0 16px;height:44px;border-radius:var(--r-full);font-size:14px;font-weight:600;color:var(--md-primary);transition:background .15s;display:inline-flex;align-items:center;gap:6px}
.btn-text:hover{background:rgba(0,107,94,.08)}
.btn-text.err{color:var(--md-error)}

.btn-small{height:36px;padding:0 16px;border-radius:var(--r-full);background:var(--md-primary);color:var(--md-on-primary);font-size:12px;font-weight:600;display:inline-flex;align-items:center;gap:5px;box-shadow:var(--elev1);transition:filter .15s}
.btn-small:hover{filter:brightness(.85)}
.btn-small .material-symbols-rounded{font-size:16px}

/* ── Pages ─────────────────────────────────────────────────── */
.page{display:none;padding:8px 24px 120px;animation:pgIn .3s ease}
.page.active{display:block}
@keyframes pgIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.page-brief{
  font-size:13px;
  color:var(--md-on-surface-var);
  margin:2px 0 14px;
}

.page-top{display:flex;align-items:center;justify-content:flex-end;gap:16px;margin-bottom:20px;flex-wrap:wrap}

/* ── Dashboard ─────────────────────────────────────────────── */
.dash-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:12px;margin-bottom:24px}
.dash-card{
  background:var(--md-surface-ctr-low);border-radius:var(--r-lg);padding:20px;
  position:relative;overflow:hidden;cursor:pointer;transition:box-shadow .15s;
}
.dash-card:hover{box-shadow:var(--elev1)}
.dash-card::before{content:'';position:absolute;top:0;right:0;width:80px;height:80px;border-radius:50%;opacity:.12;transform:translate(20px,-20px)}
.dc-subjects::before{background:var(--md-primary)}
.dc-notes::before{background:#C79400}
.dc-tasks::before{background:#00873E}
.dc-hours::before{background:#406278}
.dash-card .dc-icon{width:44px;height:44px;border-radius:var(--r-md);display:grid;place-items:center;margin-bottom:12px}
.dash-card .dc-icon .material-symbols-rounded{font-size:22px}
.dc-subjects .dc-icon{background:var(--md-primary-ctr);color:var(--md-on-primary-ctr)}
.dc-notes .dc-icon{background:#FFE08D;color:#534600}
.dc-tasks .dc-icon{background:#C8F9D4;color:#00391E}
.dc-hours .dc-icon{background:var(--md-tertiary-ctr);color:var(--md-on-tertiary-ctr)}
.dash-card .dc-val{font-size:32px;font-weight:700;letter-spacing:-.5px;line-height:1}
.dash-card .dc-lbl{font-size:13px;color:var(--md-on-surface-var);margin-top:4px}

.welcome-banner{background:linear-gradient(135deg,var(--md-primary-ctr),var(--md-tertiary-ctr));border-radius:var(--r-lg);padding:24px;margin-bottom:20px}
.welcome-banner h2{font-size:20px;font-weight:600;margin-bottom:4px}
.welcome-banner p{font-size:14px;color:var(--md-on-surface-var)}
.wb-actions{display:flex;gap:8px;margin-top:12px;flex-wrap:wrap}

.section-head{font-size:15px;font-weight:600;margin:24px 0 10px;display:flex;align-items:center;gap:8px}
.section-head .material-symbols-rounded{font-size:20px;color:var(--md-primary)}
.section-head a{margin-left:auto;font-size:13px;font-weight:500;color:var(--md-primary);transition:opacity .15s}
.section-head a:hover{opacity:.75}

/* Tuiles dashboard */
.dash-tile{
  background:var(--md-surface-ctr-low);
  border-radius:var(--r-lg);
  padding:18px 20px;
  display:flex;flex-direction:column;gap:12px;
}
.dash-tile-head{
  display:flex;align-items:center;gap:8px;
  font-size:14px;font-weight:600;color:var(--md-on-surface);
}
.dash-tile-head .material-symbols-rounded{font-size:18px;color:var(--md-primary);flex-shrink:0}
.dash-tile-head a{margin-left:auto;font-size:12px;font-weight:500;color:var(--md-primary);white-space:nowrap;transition:opacity .15s}
.dash-tile-head a:hover{opacity:.7}

.activity-list{display:flex;flex-direction:column;gap:4px}
.act-item{display:flex;align-items:center;gap:12px;padding:11px 14px;background:var(--md-surface-ctr-low);border-radius:var(--r-md);font-size:14px;cursor:pointer;transition:background .15s}
.act-item:hover{background:var(--md-surface-ctr)}
.act-dot{width:8px;height:8px;border-radius:50%;flex-shrink:0}
.act-main{flex:1;min-width:0}
.act-name{font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.act-sub{font-size:12px;color:var(--md-on-surface-var)}
.act-time{margin-left:auto;font-size:12px;color:var(--md-on-surface-var);white-space:nowrap;font-family:'JetBrains Mono',monospace}

.week-bars{display:flex;align-items:flex-end;gap:5px;height:70px;margin-top:8px}
.wbar-col{flex:1;display:flex;flex-direction:column;align-items:center;gap:3px}
.wbar-track{flex:1;width:100%;background:var(--md-outline-var);border-radius:var(--r-xs);display:flex;align-items:flex-end;overflow:hidden}
.wbar-fill{width:100%;border-radius:var(--r-xs);background:var(--md-primary);transition:height .5s cubic-bezier(.2,0,0,1)}
.wbar-lbl{font-size:10px;color:var(--md-on-surface-var)}
.week-total-lbl{font-size:12px;color:var(--md-on-surface-var);margin-top:8px;text-align:center}
.dash-2col{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:16px}
@media(max-width:900px){.dash-2col{grid-template-columns:1fr}}

/* ── Progress bar ──────────────────────────────────────────── */
.prog-bar{height:6px;background:var(--md-outline-var);border-radius:var(--r-full);overflow:hidden;margin-top:4px}
.prog-bar-fill{height:100%;border-radius:var(--r-full);background:var(--md-primary);transition:width .6s cubic-bezier(.2,0,0,1)}

/* ── Subj progress list ────────────────────────────────────── */
.subj-prog-list{display:flex;flex-direction:column;gap:12px}
.subj-prog-item{display:flex;align-items:center;gap:12px}
.subj-prog-icon{width:36px;height:36px;border-radius:var(--r-sm);display:grid;place-items:center;flex-shrink:0}
.subj-prog-icon .material-symbols-rounded{font-size:18px}
.subj-prog-body{flex:1}
.subj-prog-row{display:flex;justify-content:space-between;align-items:center}
.subj-prog-name{font-size:13px;font-weight:600}
.subj-prog-val{font-size:12px;color:var(--md-on-surface-var);font-family:'JetBrains Mono',monospace}

/* ── Subjects ──────────────────────────────────────────────── */
.subjects-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:12px}
.subj-card{background:var(--md-surface-ctr-low);border-radius:var(--r-lg);overflow:hidden;transition:box-shadow .15s;animation:cardUp .3s ease both;animation-delay:calc(var(--i,0)*30ms)}
.subj-card:hover{box-shadow:var(--elev1)}
@keyframes cardUp{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.subj-stripe{height:5px}
.subj-body{padding:18px 18px 14px}
.subj-top{display:flex;gap:12px;align-items:flex-start;margin-bottom:12px}
.subj-icon{width:44px;height:44px;border-radius:var(--r-md);display:grid;place-items:center;flex-shrink:0}
.subj-icon .material-symbols-rounded{font-size:22px}
.subj-name{font-size:15px;font-weight:600;line-height:1.3}
.subj-desc{font-size:12px;color:var(--md-on-surface-var);margin-top:2px}
.subj-stats{display:flex;gap:14px;margin-bottom:10px;flex-wrap:wrap}
.subj-stat{display:flex;align-items:center;gap:4px;font-size:12px;color:var(--md-on-surface-var)}
.subj-stat .material-symbols-rounded{font-size:15px}
.subj-actions{display:flex;gap:6px;align-items:center;margin-top:10px;padding-top:10px;border-top:1px solid var(--md-outline-var)}

/* ── Toolbar / Search ──────────────────────────────────────── */
.toolbar{display:flex;align-items:center;gap:10px;margin-bottom:14px;flex-wrap:wrap}
.toolbar.toolbar-stack{flex-direction:column;align-items:stretch}
.toolbar.toolbar-stack .search-field{width:100%;min-width:0}
.toolbar.toolbar-stack .toolbar-actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.notes-toolbar .search-field{flex:none;width:100%;min-width:0}
.notes-toolbar .toolbar-actions{width:100%;display:flex;align-items:center;justify-content:flex-end;gap:10px;flex-wrap:wrap}
.notes-toolbar .filter-select{min-width:220px}
.notes-toolbar .notes-new-btn{height:44px;width:auto;justify-content:flex-start}
.search-field{display:flex;align-items:center;gap:8px;flex:1;min-width:200px;background:var(--md-surface-ctr-high);border-radius:var(--r-full);padding:0 16px;height:52px;transition:background .15s,box-shadow .15s}
.search-field:focus-within{background:var(--md-surface-ctr-highest);box-shadow:var(--elev1)}
.search-field .material-symbols-rounded{font-size:22px;color:var(--md-on-surface-var);flex-shrink:0}
.search-field input{flex:1;border:none;background:transparent;font-size:15px;outline:none}
.search-field input::placeholder{color:var(--md-on-surface-var)}
.filter-select{height:52px;padding:0 40px 0 16px;border:1px solid var(--md-outline-var);border-radius:var(--r-full);background:var(--md-surface-ctr-low);font-size:14px;font-weight:500;outline:none;cursor:pointer;appearance:none;-webkit-appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%236F7976' stroke-width='2' fill='none'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 16px center}
.filter-select:focus{border-color:var(--md-primary)}

.filter-pills{display:flex;gap:6px;flex-wrap:wrap}
.f-pill{padding:6px 14px;border-radius:var(--r-full);font-size:13px;font-weight:500;border:1px solid var(--md-outline-var);background:transparent;color:var(--md-on-surface-var);cursor:pointer;transition:all .15s}
.f-pill:hover{background:var(--md-surface-ctr-high)}
.f-pill.active{background:var(--md-inverse-surface);color:var(--md-inverse-on-surface);border-color:transparent}

.type-tabs{display:flex;gap:2px;background:var(--md-surface-ctr-high);border-radius:var(--r-md);padding:3px}
.type-tab{display:inline-flex;align-items:center;gap:6px;padding:0 14px;height:36px;border-radius:var(--r-sm);font-size:13px;font-weight:500;color:var(--md-on-surface-var);cursor:pointer;transition:background .15s}
.type-tab .material-symbols-rounded{font-size:18px}
.type-tab.active{background:var(--md-surface);color:var(--md-primary);box-shadow:var(--elev1)}

/* ── Notes ─────────────────────────────────────────────────── */
.notes-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:14px}
.note-card{
  background:var(--md-surface-ctr-low);
  border:1px solid var(--md-outline-var);
  border-radius:var(--r-lg);
  padding:18px;
  cursor:pointer;
  transition:box-shadow .15s,transform .15s,border-color .15s,background .15s;
  display:flex;flex-direction:column;gap:8px;
  animation:cardUp .3s ease both;animation-delay:calc(var(--i,0)*25ms)
}
.note-card:hover{box-shadow:var(--elev2);transform:translateY(-3px);border-color:var(--md-outline)}
.note-card.pinned{border-color:#D9B860;background:linear-gradient(180deg,rgba(199,148,0,.06),transparent 34%),var(--md-surface-ctr-low)}
.note-card-header{display:flex;align-items:flex-start;justify-content:space-between;gap:8px}
.note-card-title{font-size:15px;font-weight:600;flex:1;line-height:1.35;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.note-card-pin .material-symbols-rounded{font-size:16px;color:#C79400;font-variation-settings:'FILL' 1,'wght' 400,'GRAD' 0,'opsz' 24}
.note-card-subj{display:inline-flex;align-items:center;gap:4px;font-size:11px;font-weight:600;padding:2px 10px;border-radius:var(--r-full)}
.note-card-excerpt{font-size:12px;color:var(--md-on-surface-var);display:-webkit-box;-webkit-line-clamp:4;-webkit-box-orient:vertical;overflow:hidden}
.note-card-foot{display:flex;justify-content:space-between;align-items:center;margin-top:auto}
.note-card-date{font-size:11px;color:var(--md-on-surface-var);font-family:'JetBrains Mono',monospace}
.note-card-acts{display:flex;gap:2px}
.note-card-acts button{width:30px;height:30px;border-radius:var(--r-full);display:grid;place-items:center;transition:background .15s;color:var(--md-on-surface-var)}
.note-card-acts button:hover{background:var(--md-surface-ctr-high)}
.note-card-acts .material-symbols-rounded{font-size:18px}

/* ── Resources ─────────────────────────────────────────────── */
.resources-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:12px}
.res-card{background:var(--md-surface-ctr-low);border-radius:var(--r-lg);overflow:hidden;transition:box-shadow .15s;animation:cardUp .3s ease both;animation-delay:calc(var(--i,0)*25ms)}
.res-card:hover{box-shadow:var(--elev1)}
.res-thumb{width:100%;aspect-ratio:16/9;background:var(--md-surface-ctr-high);display:grid;place-items:center;overflow:hidden}
.res-thumb iframe{width:100%;height:100%;border:none}
.res-thumb .material-symbols-rounded{font-size:40px;color:var(--md-outline)}
.res-body{padding:14px}
.res-title{font-size:14px;font-weight:600;margin-bottom:4px}
.res-subj{font-size:12px;color:var(--md-on-surface-var);margin-bottom:8px}
.res-type{display:inline-flex;align-items:center;gap:4px;font-size:11px;font-weight:600;padding:2px 10px;border-radius:var(--r-full)}
.res-type.link{background:var(--md-tertiary-ctr);color:var(--md-on-tertiary-ctr)}
.res-type.video{background:var(--md-error-ctr);color:var(--md-error)}
.res-foot{display:flex;justify-content:space-between;align-items:center;padding:0 14px 12px}

/* ── Planning ──────────────────────────────────────────────── */
.planning-nav{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.week-label{font-size:15px;font-weight:600;letter-spacing:-.2px;flex:1;text-align:center}
.week-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:8px;align-items:start}
.day-col{background:var(--md-surface-ctr-low);border-radius:var(--r-lg);overflow:hidden;min-height:90px}
.day-col.today{outline:2px solid var(--md-primary)}
.day-head{padding:10px 10px 8px;border-bottom:1px solid var(--md-outline-var)}
.day-name{font-size:10px;font-weight:600;text-transform:uppercase;letter-spacing:.5px;color:var(--md-on-surface-var)}
.day-num{font-size:20px;font-weight:700;line-height:1}
.day-col.today .day-num{color:var(--md-primary)}
.day-sessions{padding:5px;display:flex;flex-direction:column;gap:3px}
.sess-chip{padding:4px 8px;border-radius:var(--r-sm);font-size:11px;font-weight:600;cursor:pointer;transition:opacity .15s;display:flex;align-items:center;justify-content:space-between;gap:4px}
.sess-chip:hover{opacity:.85}
.sess-chip.done{opacity:.45;text-decoration:line-through}
.sess-chip-time{font-weight:400;font-size:10px;opacity:.85}
.day-add{width:100%;text-align:center;padding:4px 0;font-size:20px;color:var(--md-outline);transition:color .15s,background .15s;border-radius:var(--r-sm);cursor:pointer}
.day-add:hover{color:var(--md-primary);background:var(--md-primary-ctr)}

/* ── Tasks ─────────────────────────────────────────────────── */

/* View toggle */
.view-toggle{display:flex;background:var(--md-surface-ctr-high);border-radius:var(--r-md);padding:2px;gap:2px}
.view-btn{width:36px;height:32px;border-radius:var(--r-sm);display:grid;place-items:center;cursor:pointer;border:none;background:transparent;color:var(--md-on-surface-var);transition:all .15s}
.view-btn .material-symbols-rounded{font-size:18px}
.view-btn.active{background:var(--md-surface);color:var(--md-primary);box-shadow:var(--elev1)}

/* Focus button */
#taskFocusBtn{font-size:13px}
#taskFocusBtn.active{background:rgba(0,107,94,.1);color:var(--md-primary)}

/* Filters bar */
.task-filters-bar{display:flex;gap:10px;margin-bottom:12px;flex-wrap:wrap;align-items:center}

/* Subject pill */
.subj-pill{display:inline-flex;align-items:center;gap:5px}
.subj-pill-dot{width:7px;height:7px;border-radius:50%;flex-shrink:0}
.subj-pill.active{background:var(--md-inverse-surface);color:var(--md-inverse-on-surface)}

/* Quick add */
.task-quickadd{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  background:var(--md-surface-ctr-low);border-radius:var(--r-lg);
  padding:12px 16px;margin-bottom:12px;
  border:1.5px solid transparent;transition:border-color .15s,box-shadow .15s;
}
.task-quickadd:focus-within{border-color:var(--md-primary);box-shadow:0 0 0 3px rgba(0,107,94,.08)}
.tqa-icon{font-size:22px;color:var(--md-primary);flex-shrink:0;order:1}
#tqaTitle{order:2;flex:1;min-width:160px;border:none;background:transparent;font-size:14px;font-family:inherit;color:var(--md-on-surface);outline:none}
#tqaTitle::placeholder{color:var(--md-on-surface-var)}
.tqa-opts{display:none;order:3;align-items:center;gap:8px;flex-wrap:wrap;width:100%;padding-left:0}
.tqa-opts.visible{display:flex}
.tqa-field{height:34px;padding:0 10px;border:1.5px solid var(--md-outline-var);border-radius:var(--r-md);font-size:12px;background:var(--md-surface-ctr-low);color:var(--md-on-surface);font-family:inherit;outline:none;cursor:pointer}
.tqa-field:focus{border-color:var(--md-primary)}
.tqa-btn{order:4;height:34px;padding:0 14px;font-size:13px;display:none;flex-basis:100%;justify-content:flex-start}
.tqa-btn.visible{display:inline-flex}

/* Groups */
.task-group{margin-bottom:10px}
.task-group.collapsed .task-section{display:none}
.task-group.collapsed .tgl-arrow{transform:rotate(-90deg)}
.task-group-label{
  display:flex;align-items:center;gap:7px;
  font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.7px;
  color:var(--md-on-surface-var);padding:4px 6px 8px;cursor:pointer;
  user-select:none;
}
.task-group-label .tgl-arrow{font-size:16px;transition:transform .2s;color:var(--md-outline)}
.task-group-label.overdue{color:var(--md-error)}
.task-group-label.today{color:var(--md-primary)}
.tgl-count{font-size:11px;background:var(--md-surface-ctr-high);padding:1px 7px;border-radius:var(--r-full);font-weight:500;text-transform:none;letter-spacing:0;color:var(--md-on-surface-var)}

/* Task section card */
.task-section{background:var(--md-surface-ctr-low);border-radius:var(--r-lg);overflow:hidden}

/* Task row */
.task-row{display:flex;align-items:flex-start;gap:2px;padding:10px 12px 10px 6px;border-bottom:1px solid var(--md-outline-var);transition:background .12s;position:relative}
.task-row:last-child{border-bottom:none}
.task-row:hover{background:var(--md-surface-ctr)}
[data-theme="dark"] .task-row:hover{background:var(--md-surface-ctr-high)}
.task-row.is-done{opacity:.5}
.task-row.is-done .task-title-text{text-decoration:line-through}

/* Checkbox */
.task-cb{width:38px;height:38px;flex-shrink:0;margin-top:-2px;border-radius:50%;display:grid;place-items:center;border:none;background:transparent;cursor:pointer;color:var(--md-outline);transition:color .15s,background .12s}
.task-cb:hover{color:var(--cb-color,var(--md-primary));background:rgba(0,107,94,.08)}
[data-theme="dark"] .task-cb:hover{background:rgba(108,248,226,.1)}
.task-cb .material-symbols-rounded{font-size:22px;transition:transform .15s}
.task-cb:hover .material-symbols-rounded{transform:scale(1.1)}
.task-row.is-done .task-cb{color:var(--cb-color,var(--md-primary))}
.task-row:not(.is-done) .task-cb:hover .material-symbols-rounded{font-variation-settings:'FILL' 1,'wght' 400,'GRAD' 0,'opsz' 24}

/* Task content */
.task-content{flex:1;min-width:0;padding:2px 6px 0}
.task-title-wrap{display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.task-title-text{font-size:14px;font-weight:500;line-height:1.4;cursor:text}
.inline-edit-input{border:none;border-bottom:2px solid var(--md-primary);background:transparent;font-size:14px;font-weight:500;font-family:inherit;color:var(--md-on-surface);outline:none;width:100%}
.task-type-badge{font-size:10px;font-weight:700;padding:1px 8px;border-radius:var(--r-full);text-transform:uppercase;letter-spacing:.4px;white-space:nowrap}
.task-meta-row{display:flex;align-items:center;gap:6px;margin-top:4px;flex-wrap:wrap}
.task-meta-subj{font-size:11px;font-weight:600}
.task-meta-date{display:inline-flex;align-items:center;gap:2px;font-size:11px;color:var(--md-on-surface-var)}
.task-meta-date .material-symbols-rounded{font-size:12px}
.task-meta-date.is-today{color:var(--md-primary);font-weight:600}
.task-meta-date.is-overdue{color:var(--md-error);font-weight:600}
.task-meta-sub{display:inline-flex;align-items:center;gap:2px;font-size:11px;color:var(--md-on-surface-var);cursor:pointer}
.task-meta-sub .material-symbols-rounded{font-size:12px}
.task-meta-sub:hover{color:var(--md-primary)}

/* Subtasks */
.task-subtasks{padding:6px 0 4px 2px;display:flex;flex-direction:column;gap:2px}
.subtask-row{display:flex;align-items:center;gap:6px;font-size:13px;padding:2px 0}
.subtask-row.done{opacity:.5;text-decoration:line-through}
.subtask-cb{width:26px;height:26px;border-radius:50%;display:grid;place-items:center;border:none;background:transparent;cursor:pointer;color:var(--md-outline);flex-shrink:0}
.subtask-cb .material-symbols-rounded{font-size:16px}
.subtask-cb:hover{color:var(--md-primary)}
.subtask-cb.done{color:var(--md-primary)}

/* Row actions */
.task-row-actions{display:flex;gap:0;flex-shrink:0;opacity:0;transition:opacity .15s;pointer-events:none}
.task-row:hover .task-row-actions{opacity:1;pointer-events:auto}
.task-row-actions .icon-btn{width:32px;height:32px}
.task-row-actions .icon-btn .material-symbols-rounded{font-size:16px}

/* Empty */
.task-empty{text-align:center;padding:56px 20px;color:var(--md-on-surface-var);background:var(--md-surface-ctr-low);border-radius:var(--r-lg)}
.task-empty .material-symbols-rounded{font-size:48px;display:block;margin-bottom:12px;opacity:.3}
.task-empty p{font-size:14px}

/* Kanban */
.kanban-board{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;align-items:start}
@media(max-width:700px){.kanban-board{grid-template-columns:1fr}}
.kanban-col{background:var(--md-surface-ctr-low);border-radius:var(--r-lg);min-height:200px;transition:background .15s}
.kanban-col[data-dragover]{background:var(--md-secondary-ctr)}
.kanban-col-head{display:flex;align-items:center;gap:7px;padding:14px 16px 10px;font-size:13px;font-weight:600;border-bottom:1px solid var(--md-outline-var)}
.kanban-col-head .material-symbols-rounded{font-size:16px;color:var(--md-primary)}
.wip-warn{margin-left:auto;font-size:14px;cursor:help}
.kanban-cards{padding:8px;display:flex;flex-direction:column;gap:7px;min-height:80px}
.kanban-card{background:var(--md-surface);border-radius:var(--r-md);box-shadow:var(--elev1);cursor:grab;position:relative;overflow:hidden;transition:box-shadow .15s,transform .15s;display:flex}
.kanban-card:active{cursor:grabbing;transform:scale(.98);box-shadow:var(--elev3)}
.kanban-card:hover{box-shadow:var(--elev2)}
.kanban-card.overdue{outline:1.5px solid var(--md-error)}
[data-theme="dark"] .kanban-card{background:var(--md-surface-ctr)}
.kanban-card-stripe{width:4px;flex-shrink:0}
.kanban-card-body{flex:1;padding:10px 8px 10px 10px;min-width:0}
.kanban-card-title{font-size:13px;font-weight:600;line-height:1.4}
.kanban-card-actions{display:flex;flex-direction:column;gap:0;opacity:0;transition:opacity .15s}
.kanban-card:hover .kanban-card-actions{opacity:1}
.kanban-card-actions .icon-btn{width:28px;height:28px}
.kanban-card-actions .icon-btn .material-symbols-rounded{font-size:14px}

/* Confetti */
.confetti-wrap{position:fixed;top:0;left:0;width:100%;height:100%;pointer-events:none;z-index:9998;overflow:hidden}
.confetti-piece{position:absolute;top:-10px;width:8px;height:8px;border-radius:2px;animation:confettiFall 1.2s ease-in forwards}
@keyframes confettiFall{0%{transform:translateY(0) rotate(0deg);opacity:1} 100%{transform:translateY(100vh) rotate(720deg);opacity:0}}

/* ── Progress page ─────────────────────────────────────────── */
.prog-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.prog-card{background:var(--md-surface-ctr-low);border-radius:var(--r-lg);padding:20px}
.prog-card.full{grid-column:span 2}
.prog-card-title{font-size:14px;font-weight:600;color:var(--md-on-surface-var);margin-bottom:14px;display:flex;align-items:center;gap:6px}
.prog-card-title .material-symbols-rounded{font-size:18px;color:var(--md-primary)}
.bar-chart{display:flex;align-items:flex-end;gap:8px;height:120px}
.bar-col{flex:1;display:flex;flex-direction:column;align-items:center;gap:3px}
.bar-val{font-size:10px;font-weight:600;color:var(--md-primary);height:14px;text-align:center}
.bar-track{flex:1;width:100%;background:var(--md-surface-ctr-highest);border-radius:var(--r-sm);display:flex;align-items:flex-end;overflow:hidden}
.bar-fill{width:100%;border-radius:var(--r-sm) var(--r-sm) 0 0;background:var(--md-primary);transition:height .6s cubic-bezier(.2,0,0,1)}
.bar-lbl{font-size:10px;color:var(--md-on-surface-var)}
.donut-wrap{display:flex;flex-direction:column;align-items:center;gap:10px}
.donut-legend{display:flex;gap:14px;flex-wrap:wrap;justify-content:center}
.donut-leg{display:flex;align-items:center;gap:6px;font-size:12px}
.donut-dot{width:10px;height:10px;border-radius:50%}
.sess-stats{display:flex;flex-direction:column;gap:0}
.sess-stat-row{display:flex;justify-content:space-between;align-items:center;padding:12px 0;border-bottom:1px solid var(--md-outline-var)}
.sess-stat-row:last-child{border-bottom:none}
.sess-stat-label{font-size:13px;color:var(--md-on-surface-var)}
.sess-stat-val{font-size:20px;font-weight:700;letter-spacing:-.3px}

/* ── Modals ────────────────────────────────────────────────── */
.modal-scrim{position:fixed;inset:0;z-index:500;background:rgba(0,0,0,.45);backdrop-filter:blur(3px);display:none;align-items:center;justify-content:center;padding:16px}
.modal-scrim.open{display:flex;animation:fadeScrim .2s}
@keyframes fadeScrim{from{opacity:0}to{opacity:1}}
.modal{background:var(--md-surface);border-radius:var(--r-xl);box-shadow:0 24px 64px rgba(0,0,0,.25);width:min(100%,520px);max-height:90vh;display:flex;flex-direction:column;animation:slideUp .25s cubic-bezier(.2,0,0,1)}
.modal.modal-lg{width:min(100%,760px)}
@keyframes slideUp{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}
[data-theme="dark"] .modal{background:var(--md-surface-ctr-low)}
.modal-header{display:flex;align-items:center;justify-content:space-between;padding:20px 20px 0;flex-shrink:0}
.modal-title{font-size:18px;font-weight:600;letter-spacing:-.2px}
.modal-body{padding:20px;overflow-y:auto;flex:1;display:flex;flex-direction:column;gap:14px}
.modal-actions{display:flex;align-items:center;justify-content:flex-end;gap:8px;padding:12px 20px;border-top:1px solid var(--md-outline-var);flex-shrink:0}

/* ── Forms ─────────────────────────────────────────────────── */
.fg{display:flex;flex-direction:column;gap:6px}
.fg label{font-size:12px;font-weight:600;color:var(--md-on-surface-var);text-transform:uppercase;letter-spacing:.5px}
.fg input:not([type=color]):not([type=checkbox]),.fg textarea,.fg select{border:1.5px solid var(--md-outline-var);border-radius:var(--r-md);padding:10px 14px;font-size:14px;background:var(--md-surface-ctr-low);outline:none;transition:border-color .15s;width:100%;color:var(--md-on-surface)}
.fg input:focus,.fg textarea:focus,.fg select:focus{border-color:var(--md-primary)}
[data-theme="dark"] .fg input:not([type=color]):not([type=checkbox]),[data-theme="dark"] .fg textarea,[data-theme="dark"] .fg select{background:var(--md-surface-ctr);color:var(--md-on-surface)}
.fg input[type=color]{width:48px;height:48px;border-radius:var(--r-md);border:1.5px solid var(--md-outline-var);padding:4px;cursor:pointer}
.fg textarea{resize:vertical}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.fg-row{display:flex;gap:12px}.fg-row .fg{flex:1}

.note-title-input{font-size:20px !important;font-weight:700 !important;border:none !important;background:transparent !important;padding:0 !important;border-bottom:2px solid var(--md-outline-var) !important;border-radius:0 !important;color:var(--md-on-surface) !important}
.note-title-input:focus{border-bottom-color:var(--md-primary) !important;outline:none !important}
.editor-tabs{display:flex;gap:4px;margin-bottom:8px}
.etab{display:flex;align-items:center;gap:5px;padding:6px 12px;border-radius:var(--r-md);font-size:13px;font-weight:500;color:var(--md-on-surface-var);cursor:pointer;border:1px solid transparent;transition:all .15s}
.etab.active{background:var(--md-surface-ctr-high);color:var(--md-on-surface);border-color:var(--md-outline-var)}
.etab .material-symbols-rounded{font-size:16px}
.note-textarea{font-family:'JetBrains Mono',monospace !important;font-size:13px !important;line-height:1.7 !important;min-height:200px}
.note-preview{min-height:180px;padding:14px;background:var(--md-surface-ctr-low);border-radius:var(--r-md);border:1.5px solid var(--md-outline-var);font-size:14px;line-height:1.7}
.note-preview h1,.note-preview h2,.note-preview h3{font-weight:700;margin:12px 0 6px}
.note-preview p{margin:0 0 8px}
.note-preview code{font-family:'JetBrains Mono',monospace;font-size:12px;background:var(--md-surface-ctr-high);padding:1px 6px;border-radius:4px}
.note-preview pre{background:var(--md-surface-ctr-high);padding:12px;border-radius:var(--r-md);overflow-x:auto;margin:8px 0}
.note-preview ul,.note-preview ol{padding-left:20px;margin:0 0 8px}
.note-preview blockquote{border-left:3px solid var(--md-primary);padding-left:12px;color:var(--md-on-surface-var);margin:8px 0}
.note-preview a{color:var(--md-primary)}
.note-preview strong{font-weight:700}
.note-preview hr{border:none;border-top:1px solid var(--md-outline-var);margin:12px 0}
.note-resources{display:flex;flex-direction:column;gap:5px}
.note-res-item{display:flex;align-items:center;gap:10px;background:var(--md-surface-ctr-low);border-radius:var(--r-md);padding:8px 10px;border:1px solid var(--md-outline-var)}
.note-res-item .material-symbols-rounded{font-size:18px;color:var(--md-on-surface-var);flex-shrink:0}
.note-res-info{flex:1;min-width:0}
.note-res-title{font-size:13px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.note-res-url{font-size:11px;color:var(--md-on-surface-var);font-family:'JetBrains Mono',monospace;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.pin-label{display:flex;align-items:center;gap:6px;font-size:13px;cursor:pointer;color:var(--md-on-surface-var)}
.pin-label input{display:none}
.pin-label .material-symbols-rounded{font-size:18px}
.pin-label input:checked~.material-symbols-rounded{color:#C79400;font-variation-settings:'FILL' 1,'wght' 400,'GRAD' 0,'opsz' 24}

.seg-ctrl{display:flex;gap:6px}
.seg-btn{flex:1;display:flex;align-items:center;justify-content:center;gap:6px;padding:9px;border-radius:var(--r-md);border:1.5px solid var(--md-outline-var);font-size:13px;font-weight:500;cursor:pointer;transition:all .15s;background:var(--md-surface-ctr-low)}
.seg-btn.active{background:var(--md-secondary-ctr);color:var(--md-on-secondary-ctr);border-color:var(--md-secondary-ctr)}
.seg-btn .material-symbols-rounded{font-size:18px}

.icon-picker{display:flex;flex-wrap:wrap;gap:5px}
.icon-opt{width:38px;height:38px;border-radius:var(--r-sm);display:grid;place-items:center;cursor:pointer;border:2px solid transparent;transition:all .15s;background:var(--md-surface-ctr-low)}
.icon-opt .material-symbols-rounded{font-size:20px}
.icon-opt:hover{border-color:var(--md-outline-var)}
.icon-opt.selected{border-color:var(--md-primary);background:var(--md-primary-ctr)}

/* ── Settings ──────────────────────────────────────────────── */
#page-settings.active{display:flex;flex-direction:column;align-items:center;gap:0}
#page-settings .settings-block{width:100%;max-width:620px}
.settings-block{background:var(--md-surface-ctr-low);border-radius:var(--r-lg);padding:20px 24px;margin-bottom:16px;display:flex;flex-direction:column;gap:16px}
.settings-block-title{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:600}
.settings-block-title .material-symbols-rounded{font-size:22px;color:var(--md-primary)}
.settings-sub{font-size:12px;font-weight:400;color:var(--md-on-surface-var);margin-left:4px}
.settings-help{font-size:13px;color:var(--md-on-surface-var);line-height:1.5;margin:-4px 0 0}
.settings-data-row{display:flex;gap:10px;flex-wrap:wrap}
.settings-row-2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media(max-width:500px){.settings-row-2{grid-template-columns:1fr}}
.settings-block>.btn-filled{align-self:flex-start}
.theme-selector{display:flex;gap:8px;flex-wrap:wrap}
.theme-btn{display:flex;flex-direction:column;align-items:center;gap:6px;padding:12px 20px;border-radius:var(--r-md);border:1.5px solid var(--md-outline-var);font-size:13px;font-weight:500;transition:all .15s;color:var(--md-on-surface-var);flex:1;min-width:80px;cursor:pointer;background:transparent}
.theme-btn .material-symbols-rounded{font-size:28px}
.theme-btn:hover{background:var(--md-surface-ctr-high)}
.theme-btn.active{border-color:var(--md-primary);background:var(--md-primary-ctr);color:var(--md-on-primary-ctr)}
.nav-footer-sep{height:1px;background:var(--md-outline-var);margin:4px 16px}

/* ── Empty states ──────────────────────────────────────────── */
.empty-state{text-align:center;padding:60px 20px;color:var(--md-on-surface-var);grid-column:1/-1}
.empty-state .material-symbols-rounded{font-size:48px;display:block;margin-bottom:12px;opacity:.4}
.empty-state p{font-size:14px}
.empty-hint{font-size:13px;color:var(--md-on-surface-var);text-align:center;padding:20px}

/* ── Toast ─────────────────────────────────────────────────── */
.toast-wrap{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);z-index:9999;display:flex;flex-direction:column;gap:6px;align-items:center;pointer-events:none}
.toast{padding:10px 20px;border-radius:var(--r-full);font-size:14px;font-weight:500;box-shadow:var(--elev3);pointer-events:auto;display:flex;align-items:center;gap:8px;animation:toastIn .3s cubic-bezier(.2,0,0,1),toastOut .3s cubic-bezier(.2,0,0,1) 2.7s forwards}
.toast.success{background:var(--md-inverse-surface);color:var(--md-inverse-on-surface)}
.toast.error{background:var(--md-error-ctr);color:var(--md-error)}
.toast.info{background:var(--md-secondary-ctr);color:var(--md-on-secondary-ctr)}
@keyframes toastIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
@keyframes toastOut{to{opacity:0;transform:translateY(8px)}}

/* ── Responsive ────────────────────────────────────────────── */
@media(max-width:900px){
  .prog-grid{grid-template-columns:1fr}
  .prog-card.full{grid-column:1}
  .week-grid{grid-template-columns:1fr;gap:6px}
}
@media(max-width:768px){
  .side-nav{transform:translateX(-100%);transition:transform .3s cubic-bezier(.2,0,0,1),width .28s}
  .side-nav.mobile-open{transform:translateX(0)}
  .nav-collapse-btn{display:none}
  .main{margin-left:0 !important}
  .topbar .menu-btn{display:grid}
  .page{padding:8px 16px 80px}
  .dash-grid{grid-template-columns:1fr 1fr}
  .subjects-grid,.notes-grid,.resources-grid{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
  .notes-toolbar .toolbar-actions{flex-direction:column;align-items:flex-end}
  .notes-toolbar .filter-select{width:100%}
  .notes-toolbar .notes-new-btn{width:auto}
}
@media(max-width:480px){
  .dash-grid{grid-template-columns:1fr}
}