:root {
  color-scheme: light;
  --ink: #102a43;
  --muted: #63748a;
  --navy: #123a63;
  --blue: #1f6fb2;
  --teal: #0f8f8f;
  --line: rgba(22, 63, 96, .15);
  --paper: rgba(255, 255, 255, .92);
  --shadow: 0 24px 65px rgba(22, 56, 82, .13);
}

* { box-sizing: border-box; }

html { min-width: 320px; scroll-behavior: smooth; }

body {
  min-height: 100vh;
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 9% 5%, rgba(90, 185, 190, .18), transparent 28rem),
    radial-gradient(circle at 91% 14%, rgba(75, 119, 190, .17), transparent 30rem),
    linear-gradient(145deg, #f3fbfb 0%, #edf4fb 52%, #f7f3fb 100%);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans TC", sans-serif;
}

button, input, select { font: inherit; }

button, select { cursor: pointer; }

[hidden] { display: none !important; }

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 8px;
  left: 8px;
  padding: 10px 14px;
  color: white;
  border-radius: 10px;
  background: #102a43;
  transform: translateY(-150%);
}

.skip-link:focus { transform: translateY(0); }

.progress-app-shell {
  width: min(1480px, calc(100% - 34px));
  margin: 0 auto;
  padding: clamp(28px, 4vw, 66px) 0 90px;
}

.progress-panel {
  border: 1px solid rgba(255, 255, 255, .82);
  border-radius: 28px;
  background: var(--paper);
  box-shadow: var(--shadow);
  backdrop-filter: blur(20px) saturate(1.08);
  -webkit-backdrop-filter: blur(20px) saturate(1.08);
}

.eyebrow {
  margin: 0 0 9px;
  color: #2c6c8e;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: .17em;
  text-transform: uppercase;
}

.connection-pill,
.user-pill,
.header-button {
  min-height: 38px;
  padding: 8px 13px;
  border: 1px solid rgba(26, 75, 111, .17);
  border-radius: 999px;
  color: #153b59;
  background: rgba(255, 255, 255, .86);
  font-size: 12px;
  font-weight: 800;
}

.connection-pill[data-state="online"] { color: #12613d; background: #ecfdf5; }
.connection-pill[data-state="error"] { color: #9f1239; background: #fff1f2; }
.header-button:hover, .header-button:focus-visible { background: #e8f2fb; }

.parent-brand {
  min-width: 0;
  display: inline-flex;
  gap: 11px;
  align-items: center;
  color: #102a43;
  text-decoration: none;
}

.parent-brand:focus-visible { outline: 3px solid rgba(31, 111, 178, .32); outline-offset: 4px; border-radius: 12px; }

.progress-password-dialog {
  width: min(520px, calc(100% - 28px));
  padding: 0;
  border: 0;
  border-radius: 24px;
  color: var(--ink);
  background: white;
  box-shadow: 0 28px 85px rgba(12, 42, 68, .28);
}

.progress-password-dialog::backdrop { background: rgba(8, 29, 47, .58); backdrop-filter: blur(5px); }
.progress-password-dialog .login-form { padding: clamp(24px, 5vw, 38px); }
.progress-password-dialog .dialog-actions { display: flex; justify-content: flex-end; gap: 10px; }
.progress-password-dialog .primary-button { width: auto; min-width: 170px; }
.system-link[aria-disabled="true"] { color: #748696; cursor: default; text-decoration: none; }

.login-layout {
  min-height: min(780px, calc(100vh - 170px));
  display: grid;
  grid-template-columns: minmax(0, 1.14fr) minmax(380px, .86fr);
  gap: 22px;
}

.login-hero {
  position: relative;
  isolation: isolate;
  min-height: 640px;
  overflow: hidden;
  padding: clamp(34px, 5vw, 78px);
  color: white;
  background:
    linear-gradient(132deg, rgba(7, 39, 65, .98), rgba(15, 96, 117, .93) 52%, rgba(52, 97, 158, .92));
}

.login-hero::before,
.login-hero::after {
  content: "";
  position: absolute;
  z-index: -1;
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: 50%;
}

.login-hero::before { width: 520px; height: 520px; right: -210px; bottom: -170px; }
.login-hero::after { width: 370px; height: 370px; right: -135px; bottom: -95px; }
.login-hero .eyebrow { color: #bdeff1; }

.hero-copy { position: absolute; right: clamp(34px, 5vw, 78px); bottom: clamp(42px, 5.2vw, 82px); left: clamp(34px, 5vw, 78px); }
.student-label { margin: 0 0 12px; font-weight: 800; }
.hero-copy h1 { margin: 0; font-family: Georgia, "Noto Serif TC", serif; font-size: clamp(42px, 5.5vw, 84px); line-height: .98; letter-spacing: -.045em; }
.hero-copy > p:last-child { max-width: 680px; margin: 28px 0 0; color: rgba(255, 255, 255, .83); font-size: clamp(15px, 1.3vw, 20px); line-height: 1.7; }

.hero-chart {
  position: relative;
  z-index: 2;
  width: clamp(230px, 38%, 340px);
  height: 138px;
  margin: 62px 0 0;
  padding: 14px 10px 0;
  display: flex;
  align-items: end;
  gap: clamp(6px, 1vw, 13px);
  border-bottom: 2px solid rgba(255, 255, 255, .35);
  background: repeating-linear-gradient(180deg, rgba(255,255,255,.11) 0 1px, transparent 1px 52px);
}

.hero-dashboard-illustration {
  position: absolute;
  z-index: 1;
  top: clamp(34px, 4vw, 58px);
  right: clamp(24px, 3.5vw, 56px);
  width: min(42%, 390px);
  max-height: 290px;
  object-fit: contain;
  object-position: right top;
  filter: drop-shadow(0 18px 24px rgba(6, 31, 50, .22));
  pointer-events: none;
  user-select: none;
}

.hero-chart span {
  flex: 1;
  height: var(--bar);
  min-width: 14px;
  border-radius: 12px 12px 0 0;
  background: linear-gradient(180deg, #bdf3d8, #52c8ce);
  box-shadow: 0 0 25px rgba(101, 224, 212, .22);
}

.login-panel {
  padding: clamp(30px, 4.5vw, 70px);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.login-heading { display: grid; grid-template-columns: auto 1fr; gap: 15px; align-items: start; }
.section-number, .group-index {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border-radius: 13px;
  color: white;
  background: linear-gradient(145deg, #1e6d91, #17446d);
  box-shadow: 0 8px 18px rgba(23, 68, 109, .24);
  font-size: 13px;
  font-weight: 900;
}

.login-heading h2 { margin: 0; font-family: Georgia, "Noto Serif TC", serif; font-size: clamp(30px, 3.3vw, 48px); }
.login-heading p:last-child { margin: 10px 0 0; color: var(--muted); line-height: 1.6; }
.login-form { margin-top: 38px; display: grid; gap: 20px; }
.field { display: grid; gap: 8px; color: #23445f; font-size: 13px; font-weight: 900; }
.field input, .admin-picker select {
  width: 100%;
  min-height: 52px;
  padding: 0 15px;
  border: 1px solid #c8d8e5;
  border-radius: 14px;
  color: var(--ink);
  background: #fbfdff;
  outline: none;
}
.field input:focus, .admin-picker select:focus { border-color: #2b78a1; box-shadow: 0 0 0 4px rgba(43, 120, 161, .13); }
.password-field { position: relative; display: block; }
.password-field input { padding-right: 66px; }
.password-field button { position: absolute; top: 7px; right: 7px; bottom: 7px; padding: 0 12px; border: 0; border-radius: 10px; color: #1f5d7d; background: #eaf4f8; font-size: 12px; font-weight: 900; }
.primary-button {
  min-height: 54px;
  border: 0;
  border-radius: 14px;
  color: white;
  background: linear-gradient(135deg, #176586, #153d68);
  box-shadow: 0 7px 0 #0c2d4c, 0 16px 30px rgba(15, 55, 88, .18);
  font-weight: 900;
}
.primary-button:disabled { opacity: .55; cursor: wait; }
.form-status { min-height: 22px; margin: -5px 0 0; color: var(--muted); font-size: 13px; }
.form-status[data-state="error"] { color: #b4233e; }
.account-note { margin: 34px 0 0; padding-top: 20px; border-top: 1px solid var(--line); color: #748395; font-size: 12px; line-height: 1.6; }

.dashboard-hero {
  padding: clamp(28px, 4vw, 52px);
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 30px;
  align-items: center;
  background:
    linear-gradient(125deg, rgba(255,255,255,.97), rgba(236,249,249,.94)),
    var(--paper);
}
.dashboard-hero h1 { margin: 0; font-family: Georgia, "Noto Serif TC", serif; font-size: clamp(32px, 4.5vw, 62px); line-height: 1.02; letter-spacing: -.035em; }
.dashboard-hero p:last-child { max-width: 800px; margin: 15px 0 0; color: var(--muted); line-height: 1.7; }
.dashboard-total-time { min-width: 265px; padding: 22px 26px; border: 1px solid rgba(32, 103, 130, .16); border-radius: 22px; display: grid; gap: 7px; background: rgba(235, 249, 248, .83); }
.dashboard-total-time span, .dashboard-total-time small { color: #58768a; font-size: 12px; font-weight: 800; }
.dashboard-total-time strong { color: #0f5571; font-family: Georgia, serif; font-size: clamp(25px, 2.6vw, 39px); }

.admin-picker, .progress-toolbar { margin-top: 20px; padding: 22px 26px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.admin-picker h2, .progress-toolbar h2 { margin: 0; font-family: Georgia, "Noto Serif TC", serif; font-size: 25px; }
.admin-picker label { width: min(480px, 100%); display: grid; gap: 6px; color: #3b5e73; font-size: 12px; font-weight: 900; }
.progress-toolbar p:last-child { margin: 7px 0 0; color: var(--muted); font-size: 13px; }
.range-buttons { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 7px; }
.range-buttons button { min-height: 38px; padding: 7px 12px; border: 1px solid #c7d6e2; border-radius: 999px; color: #36546c; background: white; font-size: 12px; font-weight: 900; }
.range-buttons button[aria-pressed="true"] { border-color: #1f6485; color: white; background: #1f6485; box-shadow: 0 7px 16px rgba(31,100,133,.2); }
.range-control-panel { display: grid; justify-items: end; gap: 11px; }
.custom-range-form { display: grid; grid-template-columns: minmax(145px, 1fr) auto minmax(145px, 1fr) auto; gap: 8px; align-items: end; }
.custom-range-form label { display: grid; gap: 4px; color: #527086; font-size: 11px; font-weight: 900; }
.custom-range-form input { min-height: 40px; padding: 7px 10px; border: 1px solid #c7d6e2; border-radius: 11px; color: #243f54; background: white; font: inherit; }
.custom-range-form button { min-height: 40px; padding: 8px 14px; border: 0; border-radius: 11px; color: white; background: #1f6485; font-weight: 900; cursor: pointer; }
.custom-range-separator { padding-bottom: 11px; color: #6c8191; font-size: 12px; font-weight: 900; }
.custom-range-form p { min-height: 18px; margin: 0; grid-column: 1 / -1; color: #a61b3c; font-size: 11px; font-weight: 800; text-align: right; }
.progress-export-entry { display: flex; align-items: center; justify-content: flex-end; gap: 10px; }
.progress-export-entry button { min-height: 42px; padding: 9px 17px; border: 0; border-radius: 999px; color: white; background: linear-gradient(135deg, #123a63, #1f7890); box-shadow: 0 8px 18px rgba(18, 58, 99, .2); font: inherit; font-size: 12px; font-weight: 900; cursor: pointer; }
.progress-export-entry small { max-width: 260px; color: #617788; font-size: 10px; line-height: 1.4; text-align: right; }
.progress-export-dialog { width: min(920px, calc(100% - 28px)); max-height: min(88vh, 900px); padding: 0; border: 0; border-radius: 24px; color: #183246; background: #f8fbfc; box-shadow: 0 30px 90px rgba(8, 29, 47, .35); }
.progress-export-dialog::backdrop { background: rgba(8, 29, 47, .64); backdrop-filter: blur(6px); }
.progress-export-dialog > section { padding: clamp(22px, 4vw, 36px); }
.progress-export-dialog header { display: flex; align-items: flex-start; justify-content: space-between; gap: 24px; }
.progress-export-dialog header h2 { margin: 0; font-family: Georgia, "Noto Serif TC", serif; font-size: clamp(25px, 3vw, 38px); }
.progress-export-dialog header p:last-child { max-width: 650px; margin: 8px 0 0; color: #687d8c; line-height: 1.6; }
.progress-export-dialog header > button { width: 40px; height: 40px; flex: none; border: 1px solid #cbd9e1; border-radius: 50%; color: #34556d; background: white; font-size: 24px; cursor: pointer; }
.progress-export-actions { display: flex; flex-wrap: wrap; gap: 8px; margin: 20px 0 12px; }
.progress-export-actions button { min-height: 36px; padding: 7px 13px; border: 1px solid #c9d8e1; border-radius: 999px; color: #31546c; background: white; font-weight: 900; cursor: pointer; }
.progress-export-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 9px; max-height: 45vh; overflow-y: auto; padding: 3px; }
.progress-export-option { --source-color: #2563eb; min-width: 0; padding: 12px 13px; display: grid; grid-template-columns: auto 1fr; gap: 10px; align-items: center; border: 1px solid #d8e2e8; border-left: 5px solid var(--source-color); border-radius: 13px; background: white; cursor: pointer; }
.progress-export-option:has(input:checked) { border-color: color-mix(in srgb, var(--source-color) 40%, #d8e2e8); background: color-mix(in srgb, var(--source-color) 6%, white); }
.progress-export-option input { width: 18px; height: 18px; accent-color: var(--source-color); }
.progress-export-option strong, .progress-export-option small { display: block; overflow-wrap: anywhere; }
.progress-export-option strong { font-size: 13px; }
.progress-export-option small { margin-top: 2px; color: #718493; font-size: 10px; }
.progress-export-page-count { margin: 14px 0 6px; color: #215f79; font-weight: 900; }
.progress-export-page-count[data-state="error"] { color: #b4233e; }
.progress-export-dialog footer { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 9px; margin-top: 17px; padding-top: 17px; border-top: 1px solid #dce5ea; }
.progress-export-dialog footer .primary-button { width: auto; min-width: 190px; padding: 11px 18px; }
.progress-export-dialog footer .primary-button:disabled { cursor: not-allowed; }
.dashboard-status { min-height: 24px; margin: 18px 4px; color: var(--muted); font-weight: 700; }
.dashboard-status[data-state="error"] { color: #a61b3c; }
.dashboard-groups { display: grid; gap: 18px; }

.dashboard-group {
  overflow: clip;
  border: 1px solid rgba(28, 76, 108, .14);
  border-radius: 25px;
  background: rgba(255, 255, 255, .88);
  box-shadow: 0 18px 46px rgba(29, 62, 85, .09);
}
.dashboard-group > summary {
  min-height: 88px;
  padding: 18px 24px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 15px;
  align-items: center;
  list-style: none;
  cursor: pointer;
  user-select: none;
}
.dashboard-group > summary::-webkit-details-marker { display: none; }
.dashboard-group > summary::after { content: "−"; width: 30px; height: 30px; grid-column: 4; display: grid; place-items: center; border-radius: 50%; color: #275a78; background: #e9f3f8; font-weight: 900; }
.dashboard-group:not([open]) > summary::after { content: "+"; }
.dashboard-group > summary strong { display: block; font-family: Georgia, "Noto Serif TC", serif; font-size: clamp(20px, 2vw, 29px); }
.dashboard-group > summary small { display: block; margin-top: 3px; color: var(--muted); font-size: 11px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.summary-value { min-width: 125px; color: #225c78; font-weight: 900; text-align: right; }
.group-body { padding: 0 22px 24px; border-top: 1px solid rgba(35, 81, 109, .09); }
.master-group { border-color: rgba(20, 98, 110, .25); background: rgba(249, 255, 254, .93); }
.master-chart-grid, .source-chart-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; padding-top: 22px; }
.chart-card {
  min-width: 0;
  padding: 22px;
  border: 1px solid rgba(30, 75, 104, .13);
  border-radius: 20px;
  background: rgba(255, 255, 255, .92);
  box-shadow: 0 12px 28px rgba(30, 64, 88, .07);
}
.chart-card-wide { grid-column: 1 / -1; }
.chart-heading { display: flex; align-items: end; justify-content: space-between; gap: 20px; }
.chart-heading h3 { margin: 0; font-family: Georgia, "Noto Serif TC", serif; font-size: clamp(20px, 2vw, 28px); }
.chart-heading > strong { color: #1d607d; font-size: 16px; text-align: right; }
.chart-heading-metrics { display: grid; grid-template-columns: repeat(2, auto); gap: 8px; text-align: right; }
.chart-heading-metrics > span { min-width: 100px; padding: 8px 10px; border-radius: 12px; background: #f0f6f9; }
.chart-heading-metrics strong, .chart-heading-metrics small { display: block; }
.chart-heading-metrics strong { color: #1d607d; font-size: 14px; }
.chart-heading-metrics small { margin-top: 2px; color: #718394; font-size: 10px; font-weight: 900; }
.chart-description { min-height: 42px; margin: 9px 0 8px; color: var(--muted); font-size: 13px; line-height: 1.6; }
.chart-scroll { width: 100%; overflow-x: auto; overscroll-behavior-inline: contain; }
.progress-chart { display: block; width: 100%; min-width: 680px; height: auto; }
.chart-legend { min-height: 30px; display: flex; flex-wrap: wrap; gap: 8px 16px; align-items: center; }
.legend-item { display: inline-flex; align-items: center; gap: 6px; color: #53697b; font-size: 11px; font-weight: 800; }
.legend-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--legend-color); box-shadow: 0 0 0 3px color-mix(in srgb, var(--legend-color) 16%, transparent); }
.system-link { display: inline-flex; margin-top: 15px; color: #1c6589; font-size: 13px; font-weight: 900; text-decoration: none; }
.system-link:hover, .system-link:focus-visible { text-decoration: underline; }

body[data-progress-portal="parent"] {
  --ink: #382c4e;
  --muted: #766b86;
  --navy: #604b7d;
  --blue: #8871aa;
  --teal: #9a82b8;
  --line: rgba(94, 70, 126, .16);
  --paper: rgba(255, 253, 255, .93);
  --shadow: 0 24px 65px rgba(73, 50, 101, .14);
  background:
    radial-gradient(circle at 9% 5%, rgba(194, 166, 220, .27), transparent 28rem),
    radial-gradient(circle at 91% 14%, rgba(160, 139, 199, .20), transparent 30rem),
    linear-gradient(145deg, #fbf7ff, #f3edfb 52%, #faf6fc);
}

body[data-progress-portal="parent"] .login-hero {
  background: linear-gradient(132deg, #4c3869, #72598f 54%, #a084ba);
}
body[data-progress-portal="parent"] .login-hero .eyebrow { color: #eadcff; }
body[data-progress-portal="parent"] .hero-chart span { background: linear-gradient(180deg, #f1dfff, #bca5d6); }
body[data-progress-portal="parent"] .section-number,
body[data-progress-portal="parent"] .group-index { background: linear-gradient(145deg, #8a6dac, #5f477e); }
body[data-progress-portal="parent"] .primary-button {
  background: linear-gradient(135deg, #8669a6, #5d477b);
  box-shadow: 0 7px 0 #443258, 0 16px 30px rgba(73, 50, 101, .20);
}
body[data-progress-portal="parent"] .dashboard-hero {
  background: linear-gradient(125deg, rgba(255,253,255,.98), rgba(244,236,251,.96));
}
body[data-progress-portal="parent"] .dashboard-total-time { background: rgba(244, 236, 251, .86); }
body[data-progress-portal="parent"] .eyebrow,
body[data-progress-portal="parent"] .dashboard-total-time strong,
body[data-progress-portal="parent"] .summary-value,
body[data-progress-portal="parent"] .chart-heading > strong,
body[data-progress-portal="parent"] .chart-heading-metrics strong,
body[data-progress-portal="parent"] .system-link { color: #72598f; }
body[data-progress-portal="parent"] .field,
body[data-progress-portal="parent"] .admin-picker label { color: #59456f; }
body[data-progress-portal="parent"] .field input:focus,
body[data-progress-portal="parent"] .admin-picker select:focus {
  border-color: #8a6dac;
  box-shadow: 0 0 0 4px rgba(138, 109, 172, .14);
}
body[data-progress-portal="parent"] .password-field button,
body[data-progress-portal="parent"] .dashboard-group > summary::after { color: #664d82; background: #f1eafa; }
body[data-progress-portal="parent"] .range-buttons button[aria-pressed="true"],
body[data-progress-portal="parent"] .custom-range-form button { border-color: #72598f; background: #72598f; }
body[data-progress-portal="parent"] .progress-export-entry button { background: linear-gradient(135deg, #8265a2, #614879); }
body[data-progress-portal="parent"] .dashboard-total-time { border-color: rgba(114, 89, 143, .18); }

.source-group { --source-color: #2563eb; }
.source-group .group-index { background: var(--source-color); }
.source-group > summary { border-left: 7px solid var(--source-color); }
.source-group .chart-heading > strong, .source-group .summary-value { color: var(--source-color); }

.schedule-snapshot-group { border-color: rgba(132, 82, 38, .26); background: rgba(255, 251, 243, .94); }
.schedule-snapshot-group .group-index { background: #8c572f; }
.schedule-snapshot-group > summary { border-left: 7px solid #8c572f; }
.schedule-snapshot-body { padding-top: 22px; }
.schedule-snapshot-toolbar { display: flex; align-items: end; justify-content: space-between; gap: 24px; }
.schedule-snapshot-toolbar h3 { margin: 0; font-family: Georgia, "Noto Serif TC", serif; font-size: clamp(22px, 2.4vw, 32px); }
.schedule-snapshot-toolbar p:last-child { margin: 7px 0 0; color: var(--muted); font-size: 13px; line-height: 1.6; }
.schedule-week-controls { display: flex; flex-wrap: wrap; gap: 7px; }
.schedule-week-controls button { min-height: 38px; padding: 7px 12px; border: 1px solid #dcc9b5; border-radius: 999px; color: #674126; background: #fffdf8; font-weight: 900; cursor: pointer; }
.schedule-week-controls button:disabled { opacity: .45; cursor: not-allowed; }
.schedule-week-label { margin: 18px 0 5px; color: #714a2e; font-weight: 900; }
.schedule-snapshot-status { min-height: 20px; margin: 0 0 10px; color: var(--muted); font-size: 12px; font-weight: 800; }
.schedule-snapshot-status[data-state="error"] { color: #a61b3c; }
.schedule-week-grid { display: grid; grid-template-columns: repeat(7, minmax(160px, 1fr)); gap: 9px; overflow-x: auto; padding: 3px 0 7px; overscroll-behavior-inline: contain; }
.schedule-day { min-height: 190px; padding: 13px; border: 1px solid rgba(128, 82, 44, .16); border-radius: 16px; background: rgba(255,255,255,.84); }
.schedule-day header { padding-bottom: 10px; border-bottom: 1px solid rgba(128, 82, 44, .12); }
.schedule-day-mascot { display: block; width: 100%; height: 86px; margin: 0 auto 8px; object-fit: contain; object-position: center bottom; }
.schedule-day header strong, .schedule-day header small { display: block; }
.schedule-day header strong { color: #56371f; font-family: Georgia, "Noto Serif TC", serif; font-size: 16px; }
.schedule-day header small { margin-top: 3px; color: #8b7565; font-size: 11px; }
.schedule-day-list { display: grid; gap: 7px; margin-top: 10px; }
.schedule-task { padding: 9px 10px; border-left: 4px solid #2d79b9; border-radius: 10px; background: #edf6ff; }
.schedule-task[data-source="teacher"] { border-left-color: #b87538; background: #fff3e4; }
.schedule-task[data-state="completed"] { border-left-color: #29915e; background: #eaf8ef; }
.schedule-task[data-state="in-progress"] { border-left-color: #d59a18; background: #fff8d9; }
.schedule-task strong { display: block; color: #263b4b; font-size: 13px; line-height: 1.45; white-space: pre-wrap; overflow-wrap: anywhere; }
.schedule-task-meta { display: flex; flex-wrap: wrap; gap: 4px 7px; margin-top: 5px; color: #677b89; font-size: 10px; font-weight: 800; }
.schedule-empty-day { margin: 13px 0 0; color: #8b8178; font-size: 12px; line-height: 1.5; }

.toast {
  position: fixed;
  z-index: 800;
  right: 22px;
  bottom: 22px;
  max-width: min(420px, calc(100% - 44px));
  padding: 13px 17px;
  border-radius: 13px;
  color: white;
  background: #153d5c;
  box-shadow: 0 16px 40px rgba(8, 35, 53, .25);
  font-weight: 800;
}

@media (max-width: 1080px) {
  .login-layout { grid-template-columns: 1fr; }
  .login-hero { min-height: 580px; }
  .dashboard-hero { grid-template-columns: 1fr; }
  .dashboard-total-time { min-width: 0; }
  .admin-picker, .progress-toolbar { align-items: stretch; flex-direction: column; }
  .range-buttons { justify-content: flex-start; }
  .range-control-panel { justify-items: stretch; }
  .progress-export-entry { justify-content: flex-start; }
  .progress-export-entry small { max-width: none; text-align: left; }
  .custom-range-form { grid-template-columns: 1fr auto 1fr auto; }
  .master-chart-grid, .source-chart-grid { grid-template-columns: 1fr; }
  .chart-card-wide { grid-column: auto; }
  .schedule-snapshot-toolbar { align-items: stretch; flex-direction: column; }
}

@media (max-width: 640px) {
  .progress-app-shell { width: min(100% - 20px, 1480px); padding-top: 18px; }
  .login-hero { min-height: 520px; padding: 26px; }
  .hero-copy { inset: auto 26px 35px; }
  .hero-copy h1 { font-size: clamp(40px, 13vw, 61px); }
  .hero-chart { width: 46%; height: 112px; margin-top: 40px; padding: 9px 4px 0; gap: 4px; }
  .hero-chart span { min-width: 0; }
  .hero-dashboard-illustration { top: 28px; right: 18px; width: 47%; max-height: 170px; }
  .login-panel { padding: 28px 20px 36px; }
  .login-heading { grid-template-columns: 1fr; }
  .dashboard-hero { padding: 28px 21px; }
  .progress-toolbar, .admin-picker { padding: 20px; }
  .custom-range-form { grid-template-columns: 1fr 1fr; }
  .custom-range-separator { display: none; }
  .custom-range-form button { grid-column: 1 / -1; }
  .custom-range-form p { text-align: left; }
  .progress-export-entry { align-items: flex-start; flex-direction: column; }
  .progress-export-list { grid-template-columns: 1fr; }
  .progress-export-dialog footer { flex-direction: column-reverse; }
  .progress-export-dialog footer button, .progress-export-dialog footer .primary-button { width: 100%; }
  .dashboard-group > summary { grid-template-columns: auto 1fr auto; padding: 16px 14px; }
  .dashboard-group > summary::after { grid-column: 3; grid-row: 1; }
  .summary-value { grid-column: 2 / 4; min-width: 0; text-align: left; }
  .group-body { padding: 0 10px 14px; }
  .chart-card { padding: 17px 12px; }
  .chart-heading { align-items: start; flex-direction: column; gap: 7px; }
  .chart-heading-metrics { width: 100%; text-align: left; }
  .chart-heading-metrics > span { min-width: 0; }
  .progress-header-actions .user-pill { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; }
}