@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@400;500;600;700;800&family=Sora:wght@600;700;800&display=swap');

:root {
  --bg: #f3f6fb;
  --bg-accent-a: rgba(23, 105, 170, 0.18);
  --bg-accent-b: rgba(23, 105, 170, 0.08);
  --text: #142033;
  --muted: #617086;
  --card: #ffffff;
  --line: rgba(23, 105, 170, 0.14);
  --brand: #1769aa;
  --brand-dark: #0f4f85;
  --danger: #b42318;
  --ok: #18794e;
  --warn: #b96b00;
  --surface-glow: rgba(23, 105, 170, 0.1);
  --shadow: 0 22px 55px rgba(18, 36, 61, 0.12);
  --shadow-soft: 0 14px 32px rgba(18, 36, 61, 0.08);
  --radius-xl: 28px;
  --radius-lg: 22px;
  --radius-md: 16px;
  --radius-sm: 12px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font-family: 'Manrope', 'Segoe UI', sans-serif;
  background:
    radial-gradient(circle at 0% 0%, var(--bg-accent-a) 0%, transparent 30%),
    radial-gradient(circle at 100% 0%, var(--bg-accent-b) 0%, transparent 24%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.85), rgba(243, 246, 251, 0.68)),
    var(--bg);
  position: relative;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(120deg, rgba(255, 255, 255, 0.22), transparent 35%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.14), transparent 30%);
}

body::after {
  content: '';
  position: fixed;
  inset: auto -10% -18% auto;
  width: 520px;
  height: 520px;
  border-radius: 50%;
  pointer-events: none;
  background: radial-gradient(circle, rgba(23, 105, 170, 0.16), transparent 60%);
  filter: blur(24px);
}

.container {
  position: relative;
  z-index: 1;
  width: min(1360px, calc(100% - 32px));
  margin: 28px auto;
  padding-bottom: 36px;
}

.container.small {
  max-width: 620px;
}

.container.wide {
  max-width: 1460px;
}

.auth-page {
  width: min(1320px, calc(100% - 32px));
  padding-top: 14px;
}

h1,
h2,
h3 {
  margin: 0;
  color: var(--text);
  font-family: 'Sora', 'Manrope', sans-serif;
  line-height: 1.12;
}

h1 {
  font-size: clamp(2rem, 3vw, 3.4rem);
  letter-spacing: -0.03em;
}

h2 {
  font-size: clamp(1.2rem, 1.25vw, 1.55rem);
  letter-spacing: -0.02em;
}

h3 {
  font-size: 1rem;
  letter-spacing: -0.01em;
}

p {
  line-height: 1.65;
}

.eyebrow {
  margin: 0 0 10px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.72rem;
  font-weight: 800;
  color: var(--brand);
}

.muted {
  margin: 8px 0 0;
  color: var(--muted);
}

.tiny-note {
  margin-top: 6px;
  font-size: 0.78rem;
  line-height: 1.45;
  color: var(--muted);
}

.tiny-note.warning {
  color: #9a5b00;
}

.card {
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(255, 255, 255, 0.88));
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  padding: 22px;
  margin-bottom: 18px;
  animation: rise-in 0.45s ease both;
}

.card:hover {
  transform: translateY(-2px);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  box-shadow: 0 28px 60px rgba(18, 36, 61, 0.14);
}

.card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.18), transparent 32%);
  pointer-events: none;
}

.login-hero,
.hero-card,
.auth-panel--hero {
  background:
    radial-gradient(circle at top left, var(--surface-glow), transparent 36%),
    radial-gradient(circle at right center, var(--bg-accent-b), transparent 30%),
    linear-gradient(135deg, rgba(255, 255, 255, 0.98), rgba(247, 251, 255, 0.92));
}

.hero-card {
  padding: 28px 30px;
}

.topbar {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
}

.brand-lockup {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.brand-logo {
  width: 72px;
  height: 72px;
  padding: 8px;
  border-radius: 18px;
  object-fit: contain;
  object-position: center;
  border: 1px solid rgba(255, 255, 255, 0.8);
  background: #fff;
  box-shadow: var(--shadow-soft);
  flex-shrink: 0;
}

.hero-chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.info-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 13px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid var(--line);
  color: #213247;
  font-size: 0.84rem;
  font-weight: 700;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.7);
}

.info-chip strong {
  color: var(--brand-dark);
  font-weight: 800;
}

.auth-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(360px, 0.88fr);
  gap: 22px;
  align-items: stretch;
}

.auth-layout--owner {
  grid-template-columns: minmax(0, 1fr) minmax(360px, 0.82fr);
}

.auth-column {
  display: grid;
  gap: 18px;
  align-content: start;
}

.auth-panel {
  min-height: 100%;
}

.auth-panel--hero {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 620px;
  padding: 34px;
}

.auth-lead {
  font-size: 1rem;
  max-width: 52ch;
}

.feature-list {
  display: grid;
  gap: 14px;
  margin-top: 28px;
}

.feature-item {
  position: relative;
  padding: 16px 18px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.6);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.7);
}

.feature-item strong {
  display: block;
  font-size: 0.97rem;
  line-height: 1.65;
  font-weight: 700;
}

.feature-kicker {
  display: inline-block;
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.68rem;
  font-weight: 800;
  color: var(--brand);
}

.form-title-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 10px;
}

label {
  display: block;
  margin: 14px 0 8px;
  font-weight: 800;
  font-size: 0.92rem;
  color: #22334a;
}

input,
select,
textarea,
button {
  width: 100%;
  border-radius: 16px;
  border: 1px solid var(--line);
  padding: 13px 14px;
  font-size: 0.96rem;
  font-family: inherit;
  color: var(--text);
  background: rgba(255, 255, 255, 0.92);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.7);
  transition: border-color 0.16s ease, box-shadow 0.16s ease, transform 0.16s ease;
}

input,
select,
button {
  min-height: 52px;
}

textarea {
  resize: vertical;
  min-height: 102px;
}

input::placeholder,
textarea::placeholder {
  color: #93a0b3;
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--brand);
  box-shadow: 0 0 0 4px rgba(23, 105, 170, 0.12), inset 0 1px 0 rgba(255, 255, 255, 0.7);
}

button,
.btn,
a.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 0;
  border-radius: 16px;
  cursor: pointer;
  font-weight: 800;
  letter-spacing: 0.01em;
  text-decoration: none;
}

.btn,
a.btn,
button.btn,
button[type='submit'] {
  background: linear-gradient(135deg, var(--brand), var(--brand-dark));
  color: #fff;
  box-shadow: 0 16px 30px rgba(15, 79, 133, 0.22);
}

.btn:hover,
a.btn:hover,
button.btn:hover,
button[type='submit']:hover {
  transform: translateY(-1px);
  text-decoration: none;
}

.btn.secondary,
a.btn.secondary,
button.btn.secondary {
  background: rgba(255, 255, 255, 0.72);
  color: #334155;
  border: 1px solid var(--line);
  box-shadow: none;
}

.btn.secondary:hover,
a.btn.secondary:hover,
button.btn.secondary:hover {
  background: rgba(255, 255, 255, 0.92);
}

.btn.danger,
a.btn.danger,
button.btn.danger {
  background: linear-gradient(135deg, #cf2f21, #a31e13);
  box-shadow: 0 16px 30px rgba(163, 30, 19, 0.2);
}

.btn.compact,
button.btn.compact,
a.btn.compact {
  width: auto;
  min-height: 38px;
  padding: 8px 12px;
  border-radius: 12px;
  font-size: 0.82rem;
  box-shadow: none;
}

button[disabled] {
  opacity: 0.65;
  cursor: not-allowed;
  transform: none;
}

a {
  color: var(--brand-dark);
  font-weight: 700;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.mini-link {
  display: inline-flex;
  width: fit-content;
  align-items: center;
  gap: 6px;
  margin-top: 10px;
}

code {
  padding: 2px 7px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid var(--line);
  font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
  font-size: 0.83rem;
}

.alert {
  padding: 14px 16px;
  border-radius: 18px;
  margin-bottom: 16px;
  font-size: 0.94rem;
  font-weight: 700;
  backdrop-filter: blur(14px);
}

.alert.success {
  border: 1px solid rgba(24, 121, 78, 0.2);
  background: rgba(233, 248, 239, 0.88);
  color: var(--ok);
}

.alert.error {
  border: 1px solid rgba(180, 35, 24, 0.18);
  background: rgba(255, 242, 242, 0.92);
  color: var(--danger);
}

.alert.warning {
  border: 1px solid rgba(185, 107, 0, 0.22);
  background: rgba(255, 248, 234, 0.94);
  color: #9a5b00;
}

.section-switcher {
  position: sticky;
  top: 16px;
  z-index: 8;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 12px;
  background: rgba(255, 255, 255, 0.74);
  border-radius: 22px;
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.sec-btn {
  margin-right: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 16px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.8);
  color: #334155;
  font-weight: 800;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.75);
}

.sec-btn.active {
  background: linear-gradient(135deg, var(--brand), var(--brand-dark));
  border-color: transparent;
  color: #fff;
  text-decoration: none;
  box-shadow: 0 16px 28px rgba(15, 79, 133, 0.22);
}

.grid.two {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.grid.three {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 14px;
  margin-bottom: 18px;
}

.compact-grid {
  gap: 12px;
}

.stat-card {
  position: relative;
  overflow: hidden;
  padding: 18px;
  border-radius: 22px;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(248, 251, 255, 0.88));
  box-shadow: var(--shadow-soft);
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--brand), transparent 82%);
}

.stat-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.stat-card h3 {
  margin-top: 10px;
  font-size: clamp(1.2rem, 1.6vw, 1.9rem);
}

.inline-controls,
.inline-actions,
.trial-request-buttons,
.tab-buttons {
  display: flex;
  gap: 10px;
  align-items: end;
  flex-wrap: wrap;
}

.inline-controls label {
  margin-bottom: 5px;
}

.tab-btn {
  width: auto;
  min-height: 42px;
  margin: 0;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.82);
  color: #334155;
  padding: 10px 14px;
  font-weight: 800;
  box-shadow: none;
}

.tab-btn.active {
  background: linear-gradient(135deg, var(--brand), var(--brand-dark));
  color: #fff;
  border-color: transparent;
}

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
}

.status {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 7px 11px;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 800;
  text-transform: capitalize;
}

.status.present,
.status.paid {
  background: rgba(233, 248, 239, 0.95);
  color: var(--ok);
}

.status.absent,
.status.overdue {
  background: rgba(254, 239, 240, 0.95);
  color: var(--danger);
}

.status.late,
.status.pending {
  background: rgba(255, 245, 232, 0.95);
  color: var(--warn);
}

.table-wrap {
  overflow-x: auto;
}

table {
  display: block;
  width: 100%;
  overflow-x: auto;
  border-collapse: separate;
  border-spacing: 0;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.68);
  white-space: nowrap;
}

th,
td {
  padding: 14px 16px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line);
}

th {
  position: sticky;
  top: 0;
  background: rgba(247, 250, 255, 0.96);
  color: #334155;
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

tr:last-child td {
  border-bottom: none;
}

tr:nth-child(even) td {
  background: rgba(248, 251, 255, 0.48);
}

.tracker-card,
.batch-accordion,
.trial-accordion,
.blocked-card,
.embedded-card {
  border: 1px solid var(--line);
  border-radius: 22px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(247, 251, 255, 0.9));
  box-shadow: var(--shadow-soft);
}

.tracker-card {
  margin-top: 14px;
  padding: 16px;
}

.student-tracker-card {
  margin-top: 12px;
}

.tracker-head,
.trial-request-head {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  align-items: flex-start;
}

.tracker-meta {
  min-width: 180px;
  text-align: right;
}

.tracker-filter-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 14px;
}

.tracker-filter-row label {
  margin: 0;
}

.tracker-filter-row select {
  width: auto;
  min-width: 240px;
}

.tracker-panel {
  display: none;
  margin-top: 14px;
}

.tracker-panel.active {
  display: block;
}

.batch-accordion-list,
.trial-request-list {
  display: grid;
  gap: 14px;
}

.batch-accordion--students {
  overflow: hidden;
}

.student-card-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 14px;
}

.student-card-compact {
  padding: 16px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(255,255,255,0.95), rgba(248,251,255,0.88));
  box-shadow: var(--shadow-soft);
}

.student-card-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: flex-start;
  margin-bottom: 12px;
}

.student-card-head h3 {
  margin-top: 8px;
}

.student-roll-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(23, 105, 170, 0.08);
  color: var(--brand-dark);
  font-size: 0.78rem;
  font-weight: 800;
}

.student-contact-stack {
  display: grid;
  gap: 4px;
  text-align: right;
  color: var(--muted);
  font-size: 0.84rem;
}

.student-card-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
}

.batch-summary,
.trial-accordion-summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 18px 20px;
  font-weight: 800;
}

.batch-summary::-webkit-details-marker,
.trial-accordion-summary::-webkit-details-marker {
  display: none;
}

.batch-summary::before {
  content: '▸';
  display: inline-block;
  margin-right: 10px;
  color: var(--brand-dark);
  transition: transform 0.18s ease;
}

.batch-accordion[open] .batch-summary::before {
  transform: rotate(90deg);
}

.batch-summary-title {
  display: flex;
  align-items: center;
  color: var(--text);
  font-size: 1.02rem;
}

.batch-summary-count,
.password-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 7px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid var(--line);
  color: var(--brand-dark);
  font-size: 0.82rem;
  font-weight: 800;
}

.password-pill {
  font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
}

.batch-accordion-body,
.trial-accordion-body {
  padding: 0 16px 16px;
}

.owner-inline-form {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr) minmax(0, 0.9fr) minmax(0, 0.9fr) minmax(0, 0.9fr) auto;
  gap: 12px;
  align-items: end;
}

.owner-manage-grid {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(300px, 1fr);
  gap: 16px;
}

.embedded-card {
  margin: 0;
}

.danger-card {
  border-color: rgba(180, 35, 24, 0.18);
}

.branding-colors,
.otp-action-grid,
.trial-request-grid {
  display: grid;
  gap: 12px;
}

.branding-colors {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.otp-action-grid,
.trial-request-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.batch-rename-form,
.trial-request-actions,
.legal-docs {
  display: grid;
  gap: 12px;
}

.legal-shell {
  gap: 20px;
}

.section-divider {
  border: 0;
  height: 1px;
  background: var(--line);
  margin: 22px 0;
}

canvas {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.7);
}

.trial-cta {
  text-align: left;
}

.trial-cta .btn {
  width: auto;
}

.auth-form .btn,
form > .btn,
form > button.btn,
form > button[type='submit'] {
  margin-top: 14px;
}

@keyframes rise-in {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 1180px) {
  .auth-layout,
  .auth-layout--owner,
  .owner-manage-grid,
  .grid.two,
  .grid.three {
    grid-template-columns: 1fr;
  }

  .auth-panel--hero {
    min-height: auto;
  }

  .owner-inline-form {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 860px) {
  .container,
  .auth-page {
    width: min(100%, calc(100% - 20px));
    margin: 16px auto;
  }

  .card,
  .hero-card,
  .auth-panel--hero {
    padding: 18px;
    border-radius: 22px;
  }

  .topbar,
  .tracker-head,
  .trial-request-head {
    flex-direction: column;
  }

  .tracker-meta {
    min-width: 0;
    text-align: left;
  }

  .owner-inline-form,
  .branding-colors,
  .otp-action-grid,
  .trial-request-grid {
    grid-template-columns: 1fr;
  }

  .section-switcher {
    top: 10px;
  }

  .section-switcher .sec-btn {
    flex: 1 1 calc(50% - 10px);
  }
}

@media (max-width: 640px) {
  h1 {
    font-size: 1.8rem;
  }

  .brand-lockup {
    flex-direction: column;
    align-items: flex-start;
  }

  .form-title-row,
  .tracker-filter-row,
  .inline-controls,
  .inline-actions,
  .trial-request-buttons {
    flex-direction: column;
    align-items: stretch;
  }

  .stats-grid {
    grid-template-columns: 1fr 1fr;
  }

  table {
    border-radius: 16px;
  }

  th,
  td {
    padding: 12px 13px;
  }

  .section-switcher .sec-btn,
  .tracker-filter-row select,
  .trial-cta .btn {
    width: 100%;
  }

  .student-card-head,
  .student-card-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .student-contact-stack {
    text-align: left;
  }
}