@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,400;9..144,500;9..144,600;9..144,700&family=Outfit:wght@300;400;500;600;700&family=Spline+Sans+Mono:wght@400;500&display=swap');

:root {
  --display: "Fraunces", Georgia, serif;
  --body: "Outfit", system-ui, sans-serif;
  --mono: "Spline Sans Mono", ui-monospace, monospace;

  --bg: #f4eee2;
  --surface: #fffcf4;
  --surface-2: #f7f0e1;
  --ink: #241e14;
  --ink-soft: #463d2c;
  --muted: #857a63;
  --border: #e4dac2;
  --border-soft: #efe8d3;
  --primary: #1f6e59;
  --primary-hover: #185a48;
  --primary-contrast: #f7f3e7;
  --accent: #c08a2c;
  --accent-contrast: #291f08;
  --accent-soft: #f2e4c6;
  --danger: #bd4836;
  --danger-soft: #f6e0d9;
  --warn: #ce8a2e;
  --success: #1f6e59;
  --success-soft: #dcebe0;
  --info: #3d6e95;
  --info-soft: #e0e9f0;

  --radius: 14px;
  --radius-sm: 10px;
  --shadow: 0 18px 40px -22px rgba(64, 48, 24, .35);
  --shadow-soft: 0 10px 28px -18px rgba(64, 48, 24, .28);
  --maxw: 1080px;
}

[data-theme="dark"] {
  --bg: #14110b;
  --surface: #1e1a12;
  --surface-2: #262014;
  --ink: #f3ecd9;
  --ink-soft: #dcd2b8;
  --muted: #a89c81;
  --border: #3a3220;
  --border-soft: #2e2820;
  --primary: #82cfb2;
  --primary-hover: #98dcc3;
  --primary-contrast: #10241d;
  --accent: #e0b057;
  --accent-contrast: #241a06;
  --accent-soft: #3a3018;
  --danger: #e0896f;
  --danger-soft: #3d241b;
  --warn: #e0a94e;
  --success: #82cfb2;
  --success-soft: #1d2f26;
  --info: #8fb3d1;
  --info-soft: #22303c;
  --shadow: 0 22px 52px -24px rgba(0,0,0,.72);
  --shadow-soft: 0 12px 32px -20px rgba(0,0,0,.6);
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--body);
  font-size: 15.5px;
  line-height: 1.55;
  letter-spacing: .005em;
  color: var(--ink);
  background-color: var(--bg);
  background-image:
    radial-gradient(58rem 36rem at 110% -12%, color-mix(in srgb, var(--accent) 15%, transparent), transparent 55%),
    radial-gradient(48rem 34rem at -12% 112%, color-mix(in srgb, var(--primary) 15%, transparent), transparent 55%);
  background-attachment: fixed;
  min-height: 100vh;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: .5;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.035'/%3E%3C/svg%3E");
}

[data-theme="dark"] body::before { mix-blend-mode: screen; opacity: .6; }

h1, h2, h3, h4 { font-family: var(--display); font-weight: 600; line-height: 1.12; margin: 0 0 .5em; letter-spacing: -.01em; }
h1 { font-size: clamp(1.7rem, 3.6vw, 2.6rem); }
h2 { font-size: clamp(1.25rem, 2.4vw, 1.7rem); }
h3 { font-size: 1.08rem; }
p { margin: 0 0 1em; }
a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-hover); }
small { color: var(--muted); }

.mono { font-family: var(--mono); font-size: .9em; letter-spacing: 0; }
.muted { color: var(--muted); }
.nowrap { white-space: nowrap; }
.strong { font-weight: 600; }

/* buttons */
.btn {
  --btn-bg: var(--surface-2);
  --btn-ink: var(--ink);
  appearance: none;
  border: 1px solid var(--border);
  background: var(--btn-bg);
  color: var(--btn-ink);
  font: 500 .95rem/1 var(--body);
  padding: .68rem 1.05rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  box-shadow: var(--shadow-soft);
  transition: transform .16s ease, background .16s ease, border-color .16s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.btn.primary { --btn-bg: var(--primary); --btn-ink: var(--primary-contrast); border-color: transparent; }
.btn.primary:hover { background: var(--primary-hover); }
.btn.accent { --btn-bg: var(--accent); --btn-ink: var(--accent-contrast); border-color: transparent; }
.btn.danger { --btn-bg: var(--danger-soft); --btn-ink: var(--danger); border-color: transparent; }
.btn.ghost { --btn-bg: transparent; --btn-ink: var(--muted); box-shadow: none; }
.btn.block { width: 100%; justify-content: center; }
.btn.small { padding: .45rem .7rem; font-size: .85rem; box-shadow: none; }
.btn:disabled { opacity: .55; cursor: not-allowed; transform: none; }
/* forms */
label { display: block; font-size: .8rem; font-weight: 600; color: var(--muted); margin: 0 0 .32rem; letter-spacing: .03em; text-transform: uppercase; }
.field { margin-bottom: 1rem; }
input, select, textarea {
  width: 100%;
  padding: .66rem .8rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--ink);
  font: 400 .95rem/1.4 var(--body);
  transition: border-color .15s, box-shadow .15s;
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px color-mix(in srgb, var(--primary) 22%, transparent); }
textarea { min-height: 92px; resize: vertical; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.field-row-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }

.toolbar { display: flex; flex-wrap: wrap; gap: .6rem; align-items: end; margin-bottom: 1.1rem; }
.chip { display: inline-flex; align-items: center; gap: .4rem; font-size: .8rem; font-family: var(--mono); padding: .3rem .65rem; border-radius: 999px; border: 1px solid var(--border); color: var(--muted); background: var(--surface-2); }
.chip .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); }

/* cards */
.card {
  background: linear-gradient(180deg, var(--surface), color-mix(in srgb, var(--surface) 88%, var(--surface-2)));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.2rem 1.3rem;
  box-shadow: var(--shadow-soft);
}
.card + .card { margin-top: 1.1rem; }
.card-head { display: flex; align-items: center; justify-content: space-between; gap: .8rem; margin-bottom: .9rem; }
.card-head h3 { margin: 0; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1.1rem; align-items: start; }

/* stats */
.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: .9rem; margin-bottom: 1.3rem; }
.stat {
  background: linear-gradient(160deg, var(--surface), var(--surface-2));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.1rem;
  animation: rise .5s cubic-bezier(.2,.7,.2,1) both;
}
.stat:nth-child(2) { animation-delay: .06s; }
.stat:nth-child(3) { animation-delay: .12s; }
.stat:nth-child(4) { animation-delay: .18s; }
.stat .label { font-size: .76rem; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); font-weight: 600; }
.stat .value { font-family: var(--display); font-size: 2rem; line-height: 1; margin-top: .3rem; color: var(--ink-soft); }
.stat .hint { font-size: .78rem; color: var(--muted); margin-top: .15rem; }

/* tables */
.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--surface); }
table { width: 100%; border-collapse: collapse; font-size: .92rem; min-width: 520px; }
thead th { text-align: left; font-size: .72rem; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); padding: .7rem .85rem; font-weight: 700; border-bottom: 1px solid var(--border); background: var(--surface-2); }
tbody td { padding: .72rem .85rem; border-bottom: 1px solid var(--border-soft); vertical-align: middle; }
tbody tr:last-child td { border-bottom: none; }
tbody tr:hover { background: color-mix(in srgb, var(--surface-2) 60%, transparent); }

/* list rows */
.att-row { display: flex; flex-wrap: wrap; gap: .7rem; align-items: center; padding: .75rem 0; border-bottom: 1px solid var(--border-soft); }
.att-row:last-child { border-bottom: 0; }
.att-row .name { font-weight: 500; min-width: 130px; }
.att-row .spacer { flex: 1; }

/* attendance dots */
.dots { display: grid; grid-template-columns: repeat(31, 1fr); gap: 4px; max-width: 430px; }
.dot { aspect-ratio: 1; border-radius: 5px; background: var(--border-soft); border: 1px solid var(--border-soft); transition: transform .12s ease; }
.dot:hover { transform: scale(1.18); }
.dot.P, .dot.p { background: var(--success); border-color: var(--success); }
.dot.A, .dot.a { background: var(--danger); border-color: var(--danger); }
.dot.L, .dot.l { background: var(--warn); border-color: var(--warn); }
.dot.H, .dot.h { background: var(--muted); border-color: var(--muted); }
.legend { display: flex; flex-wrap: wrap; gap: .9rem; font-size: .78rem; color: var(--muted); margin-top: .9rem; }
.legend span { display: inline-flex; align-items: center; gap: .4rem; }
.legend i { width: 12px; height: 12px; border-radius: 4px; display: inline-block; }

/* pills */
.pill { display: inline-flex; align-items: center; gap: .35rem; font-size: .74rem; font-family: var(--mono); padding: .25rem .6rem; border-radius: 999px; border: 1px solid transparent; }
.pill.paid, .pill.submitted, .pill.graded, .pill.P { background: var(--success-soft); color: var(--success); }
.pill.pending, .pill.A, .pill.late { background: var(--danger-soft); color: var(--danger); }
.pill.L { background: color-mix(in srgb, var(--warn) 22%, transparent); color: var(--warn); }
.pill.H { background: var(--surface-2); color: var(--muted); }
.pill.default { background: var(--surface-2); color: var(--muted); }

/* announce / fee / empty */
.announce { border-left: 3px solid var(--accent); padding: .8rem 1rem; background: var(--surface-2); border-radius: 0 var(--radius-sm) var(--radius-sm) 0; margin-bottom: .8rem; }
.announce .meta { font-size: .76rem; color: var(--muted); font-family: var(--mono); margin-bottom: .25rem; }
.fee-row { display: grid; grid-template-columns: 1fr auto; gap: .9rem; align-items: center; padding: .85rem 0; border-bottom: 1px solid var(--border-soft); }
.fee-row:last-child { border-bottom: 0; }
.fee-row .amount { font-family: var(--display); font-size: 1.25rem; color: var(--ink-soft); }
.empty { text-align: center; color: var(--muted); padding: 1.8rem 1rem; font-size: .92rem; }
.empty .big { font-family: var(--display); font-size: 1.3rem; color: var(--ink-soft); display: block; margin-bottom: .2rem; }
/* layout */
.app { min-height: 100vh; display: grid; grid-template-columns: 264px minmax(0, 1fr); }
.rail {
  position: sticky; top: 0; height: 100vh;
  background: linear-gradient(180deg, var(--surface), var(--surface-2));
  border-right: 1px solid var(--border);
  padding: 1.3rem 1rem;
  display: flex; flex-direction: column;
  z-index: 30;
}
.brand { display: flex; align-items: center; gap: .7rem; padding: 0 .4rem; }
.brand .mark { width: 38px; height: 38px; border-radius: 11px; background: var(--primary); color: var(--primary-contrast); display: grid; place-items: center; font-family: var(--display); font-weight: 700; font-size: 1.05rem; flex: none; }
.brand .name { font-family: var(--display); font-weight: 600; font-size: 1.08rem; line-height: 1.1; }
.brand .sub { font-size: .66rem; text-transform: uppercase; letter-spacing: .12em; color: var(--muted); font-family: var(--mono); }
.userbox { margin: .7rem .35rem .3rem; padding: .7rem .7rem; border-radius: var(--radius-sm); background: var(--surface); border: 1px solid var(--border); }
.userbox .u-name { font-weight: 600; font-size: .93rem; }
.userbox .u-role { font-family: var(--mono); font-size: .68rem; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); }
.nav { display: flex; flex-direction: column; gap: .25rem; margin-top: 1rem; flex: 1; overflow-y: auto; }
.nav button {
  appearance: none; background: transparent; border: 0; text-align: left;
  padding: .72rem .8rem; border-radius: var(--radius-sm);
  color: var(--ink-soft); font: 500 .93rem var(--body); cursor: pointer;
  display: flex; align-items: center; gap: .6rem; width: 100%;
  transition: background .15s, color .15s;
}
.nav button svg { width: 18px; height: 18px; flex: none; opacity: .8; }
.nav button:hover { background: var(--surface-2); }
.nav button.active { background: var(--primary); color: var(--primary-contrast); }
.rail .foot { margin-top: .6rem; padding: 0 .35rem; }
.rail .foot button { width: 100%; justify-content: center; }

.main { position: relative; display: flex; flex-direction: column; min-width: 0; }
.topbar {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; gap: .8rem;
  padding: .85rem 1.5rem;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-soft);
}
.topbar .crumbs { font-size: .82rem; color: var(--muted); font-family: var(--mono); }
.topbar .spacer { flex: 1; }
.menu-btn { display: none; }
.content { padding: 1.6rem clamp(1rem, 3vw, 2rem); max-width: var(--maxw); width: 100%; margin: 0 auto; }
.content .view { animation: rise .45s cubic-bezier(.2,.7,.2,1) both; }

/* theme toggle */
.theme-btn { appearance: none; background: var(--surface-2); border: 1px solid var(--border); color: var(--ink); width: 38px; height: 38px; border-radius: 11px; cursor: pointer; display: grid; place-items: center; flex: none; transition: border-color .15s; }
.theme-btn:hover { border-color: var(--primary); }

/* toast */
.toast-wrap { position: fixed; top: 1rem; right: 1rem; z-index: 90; display: flex; flex-direction: column; gap: .6rem; }
.toast { background: var(--surface); color: var(--ink); border: 1px solid var(--border); border-left: 3px solid var(--primary); padding: .7rem .9rem; border-radius: var(--radius-sm); box-shadow: var(--shadow); font-size: .9rem; max-width: 300px; animation: pop .3s ease both; }
.toast.err { border-left-color: var(--danger); }
.toast.warn { border-left-color: var(--warn); }

@keyframes rise { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
@keyframes pop { from { opacity: 0; transform: translateX(12px) scale(.98); } to { opacity: 1; transform: none; } }

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 999px; border: 2px solid var(--bg); }
::-webkit-scrollbar-thumb:hover { background: var(--muted); }

/* login */
.login-shell { min-height: 100vh; display: grid; place-items: center; padding: 1.4rem; }
.login-card { width: 100%; max-width: 420px; }

/* responsive */
@media (max-width: 980px) {
  .app { grid-template-columns: 1fr; }
  .rail { position: fixed; left: 0; top: 0; transform: translateX(-104%); transition: transform .25s ease; width: min(288px, 86vw); box-shadow: var(--shadow); }
  .rail.open { transform: translateX(0); }
  .menu-btn { display: inline-flex; }
  .scrim { position: fixed; inset: 0; background: rgba(0,0,0,.42); z-index: 25; opacity: 0; pointer-events: none; transition: opacity .25s ease; }
  .scrim.show { opacity: 1; pointer-events: auto; }
}
@media (max-width: 600px) {
  body { font-size: 15px; }
  .field-row, .field-row-3, .grid-2 { grid-template-columns: 1fr; }
  .content { padding: 1.1rem .95rem 3.2rem; }
  .topbar { padding: .7rem .95rem; }
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .att-row .name { min-width: 0; width: 100%; }
  .fee-row { grid-template-columns: 1fr; }
}