/* =========================================
   CLASSPIN — CLEAN 3 POV DASHBOARD
========================================= */

:root {
  --bg: #f5f7fb;
  --white: #ffffff;
  --text: #172033;
  --muted: #718096;
  --border: #e5e9f0;

  --blue: #2563eb;
  --blue-light: #eff6ff;
  --blue-border: #bfdbfe;

  --purple: #7c3aed;
  --purple-light: #f5f3ff;
  --purple-border: #ddd6fe;

  --green: #16a34a;
  --green-light: #f0fdf4;
  --green-border: #bbf7d0;

  --red: #dc2626;
  --orange: #ea580c;
}


/* =========================================
   RESET
========================================= */

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  min-height: 100%;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family:
    Inter,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
}

button,
input,
select,
textarea {
  font: inherit;
}


/* =========================================
   HEADER
========================================= */

.topbar {
  height: 64px;
  padding: 0 22px;
  background: #ffffff;
  border-bottom: 1px solid var(--border);

  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand-mark {
  width: 34px;
  height: 34px;

  display: flex;
  align-items: center;
  justify-content: center;

  border-radius: 9px;

  background: #2563eb;
  color: #ffffff;

  font-weight: 900;
  font-size: 16px;
}

.brand strong {
  display: block;
  font-size: 15px;
  line-height: 1.1;
}

.brand span {
  display: block;
  margin-top: 2px;

  color: var(--muted);
  font-size: 10px;
}

.reset-btn {
  border: 1px solid var(--border);
  background: #ffffff;
  color: var(--muted);

  border-radius: 8px;
  padding: 7px 11px;

  font-size: 11px;
  font-weight: 700;

  cursor: pointer;
}

.reset-btn:hover {
  border-color: #cbd5e1;
  color: var(--text);
}


/* =========================================
   THREE POV LAYOUT
========================================= */

.pov-layout {
  width: 100%;
  max-width: 1800px;

  margin: 0 auto;
  padding: 16px;

  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));

  gap: 14px;

  align-items: start;
}


/* =========================================
   POV PANELS
========================================= */

.pov-panel {
  min-width: 0;

  background: var(--white);

  border: 1px solid var(--border);
  border-radius: 16px;

  overflow: hidden;
}


/* =========================================
   CLASS TEACHER — BLUE
========================================= */

.ct-panel {
  border-color: var(--blue-border);
}

.ct-panel .pov-header {
  background: var(--blue-light);
  border-bottom-color: var(--blue-border);
}

.ct-panel .role-icon {
  background: var(--blue);
}

.ct-panel .pov-header h2 {
  color: var(--blue);
}


/* =========================================
   SUBJECT TEACHER — PURPLE
========================================= */

.subject-panel {
  border-color: var(--purple-border);
}

.subject-panel .pov-header {
  background: var(--purple-light);
  border-bottom-color: var(--purple-border);
}

.subject-panel .role-icon {
  background: var(--purple);
}

.subject-panel .pov-header h2 {
  color: var(--purple);
}


/* =========================================
   STUDENT — GREEN
========================================= */

.student-panel {
  border-color: var(--green-border);
}

.student-panel .pov-header {
  background: var(--green-light);
  border-bottom-color: var(--green-border);
}

.student-panel .role-icon {
  background: var(--green);
}

.student-panel .pov-header h2 {
  color: var(--green);
}


/* =========================================
   POV HEADER
========================================= */

.pov-header {
  min-height: 68px;
  padding: 13px 14px;

  display: flex;
  align-items: center;

  gap: 10px;

  border-bottom: 1px solid var(--border);
}

.role-icon {
  width: 36px;
  height: 36px;

  flex-shrink: 0;

  display: flex;
  align-items: center;
  justify-content: center;

  border-radius: 10px;

  color: #ffffff;

  font-size: 11px;
  font-weight: 900;
}

.pov-header h2 {
  margin: 0;

  font-size: 15px;
  font-weight: 850;
}

.pov-header p {
  margin: 3px 0 0;

  color: var(--muted);

  font-size: 10px;
}


/* =========================================
   POV BODY
========================================= */

.pov-body {
  padding: 12px;
}


/* =========================================
   ACTION BAR
========================================= */

.action-bar {
  display: grid;
  grid-template-columns: 1fr 1fr;

  gap: 7px;

  margin-bottom: 10px;
}

.action-toggle {
  min-height: 34px;

  border-radius: 8px;

  background: #ffffff;

  font-size: 11px;
  font-weight: 800;

  cursor: pointer;

  transition: 0.15s ease;
}

.action-toggle:hover {
  transform: translateY(-1px);
}


/* CT */

.ct-panel .action-toggle {
  border: 1px solid var(--blue-border);
  color: var(--blue);
  background: var(--blue-light);
}


/* ST */

.subject-panel .action-toggle {
  border: 1px solid var(--purple-border);
  color: var(--purple);
  background: var(--purple-light);
}


/* Student */

.student-panel .action-toggle {
  border: 1px solid var(--green-border);
  color: var(--green);
  background: var(--green-light);
}


/* =========================================
   ACTION FORMS
========================================= */

.action-form {
  display: none;

  margin-bottom: 11px;
  padding: 10px;

  border: 1px solid var(--border);
  border-radius: 10px;

  background: #fafbfc;
}

.action-form .section-title {
  margin-bottom: 8px;
}


/* =========================================
   FORM
========================================= */

.form {
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.input {
  width: 100%;

  padding: 8px 9px;

  border: 1px solid var(--border);
  border-radius: 8px;

  outline: none;

  background: #ffffff;
  color: var(--text);

  font-size: 11px;
}

.input:focus {
  border-color: #93c5fd;

  box-shadow:
    0 0 0 3px rgba(37, 99, 235, 0.08);
}


/* =========================================
   BUTTONS
========================================= */

.btn {
  border: 0;
  border-radius: 8px;

  padding: 8px 10px;

  font-size: 11px;
  font-weight: 800;

  cursor: pointer;

  transition: 0.15s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--blue);
  color: #ffffff;
}

.btn-green {
  background: var(--green);
  color: #ffffff;
}

.btn-red {
  background: var(--red);
  color: #ffffff;
}

.btn-small {
  padding: 5px 8px;
  font-size: 9px;
}


/* =========================================
   SECTION TITLE
========================================= */

.section-title {
  margin: 9px 0 7px;

  font-size: 11px;
  font-weight: 850;

  color: var(--text);
}


/* =========================================
   CLASS CARD
========================================= */

.class-card {
  padding: 11px;

  border: 1px solid var(--border);
  border-radius: 11px;

  background: #ffffff;

  margin-bottom: 10px;
}

.class-name {
  font-size: 16px;
  font-weight: 900;
}

.class-meta {
  margin-top: 3px;

  color: var(--muted);

  font-size: 10px;
}


/* =========================================
   STATS
========================================= */

.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);

  gap: 6px;

  margin: 9px 0;
}

.stat {
  padding: 8px 5px;

  border: 1px solid var(--border);
  border-radius: 8px;

  text-align: center;

  background: #fafbfc;
}

.stat strong {
  display: block;

  font-size: 16px;
  font-weight: 900;
}

.stat span {
  display: block;

  margin-top: 2px;

  color: var(--muted);

  font-size: 8px;
  font-weight: 700;
}


/* =========================================
   IMPORTANT CODES
   ACTUAL JS USES .codes / .code
========================================= */

.codes {
  display: grid;
  grid-template-columns: 1fr 1fr;

  gap: 7px;

  margin: 9px 0;
}

.code-box {
  padding: 9px;

  border-radius: 9px;

  border: 1px solid var(--border);

  background: #f8fafc;
}

.code-label {
  margin-bottom: 5px;

  color: var(--muted);

  font-size: 8px;
  font-weight: 850;

  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.code-row {
  display: flex;
  align-items: center;
  justify-content: space-between;

  gap: 5px;
}

.code {
  color: var(--text);

  font-family:
    "SFMono-Regular",
    Consolas,
    monospace;

  font-size: 15px;
  font-weight: 950;

  letter-spacing: 1px;
}


/* Teacher Code = BLUE */

.ct-panel .code-box:first-child {
  background: var(--blue-light);
  border-color: var(--blue-border);
}

.ct-panel .code-box:first-child .code {
  color: var(--blue);
}


/* Student Code = GREEN */

.ct-panel .code-box:last-child,
.student-panel .code-box {
  background: var(--green-light);
  border-color: var(--green-border);
}

.ct-panel .code-box:last-child .code,
.student-panel .code {
  color: var(--green);
}


/* Copy */

.copy-btn {
  padding: 4px 6px;

  border: 0;
  border-radius: 6px;

  background: #ffffff;

  color: var(--muted);

  font-size: 8px;
  font-weight: 800;

  cursor: pointer;
}


/* =========================================
   DIVIDER
========================================= */

.divider {
  height: 1px;

  margin: 10px 0;

  background: var(--border);
}


/* =========================================
   ASSIGNMENT CREATOR
========================================= */

.assignment-form {
  padding: 9px;

  border: 1px solid var(--border);
  border-radius: 9px;

  background: #fafbfc;
}


/* CT assignment */

.ct-panel .assignment-form {
  border-color: var(--blue-border);
  background: var(--blue-light);
}


/* ST assignment */

.subject-panel .assignment-form {
  border-color: var(--purple-border);
  background: var(--purple-light);
}


/* =========================================
   ASSIGNMENTS
   ACTUAL JS USES .assignment
========================================= */

.assignment {
  padding: 10px;

  margin-bottom: 7px;

  border: 1px solid var(--border);
  border-radius: 10px;

  background: #ffffff;
}

.assignment:last-child {
  margin-bottom: 0;
}

.assignment-top {
  display: flex;

  align-items: flex-start;
  justify-content: space-between;

  gap: 7px;
}

.assignment-subject {
  display: inline-block;

  margin-bottom: 3px;

  padding: 3px 6px;

  border-radius: 999px;

  background: #f1f5f9;

  color: #475569;

  font-size: 8px;
  font-weight: 850;
}

.assignment-title {
  font-size: 12px;
  font-weight: 850;
}

.assignment-meta {
  margin-top: 5px;

  color: var(--muted);

  font-size: 9px;

  line-height: 1.45;
}


/* =========================================
   STATUS
   ACTUAL JS USES status-pending etc.
========================================= */

.status {
  display: inline-flex;

  align-items: center;

  flex-shrink: 0;

  padding: 4px 7px;

  border-radius: 999px;

  font-size: 8px;
  font-weight: 850;
}

.status-pending {
  color: var(--orange);
  background: #fff7ed;
}

.status-submitted {
  color: var(--green);
  background: var(--green-light);
}


/* =========================================
   PEOPLE
   ACTUAL JS USES .person-row
========================================= */

.person-row {
  display: flex;

  align-items: center;
  justify-content: space-between;

  gap: 7px;

  padding: 7px 8px;

  margin-bottom: 5px;

  border: 1px solid var(--border);
  border-radius: 8px;

  background: #ffffff;
}

.person-name {
  font-size: 10px;
  font-weight: 800;
}

.person-sub {
  margin-top: 2px;

  color: var(--muted);

  font-size: 8px;
}


/* =========================================
   NOTICE
========================================= */

.notice {
  padding: 9px;

  border-radius: 8px;

  background: #fff7ed;

  color: var(--orange);

  font-size: 9px;
  font-weight: 700;
}


/* =========================================
   EMPTY
========================================= */

.empty {
  padding: 14px 9px;

  border: 1px dashed var(--border);
  border-radius: 9px;

  background: #fafbfc;

  color: var(--muted);

  text-align: center;

  font-size: 9px;
}


/* =========================================
   REMINDER
========================================= */

.reminder {
  padding: 9px;

  border-radius: 9px;

  background: #fff7ed;

  border: 1px solid #fed7aa;
}

.reminder strong {
  color: var(--orange);

  font-size: 10px;
}

.reminder p {
  margin: 3px 0 0;

  color: #7c2d12;

  font-size: 9px;
}


/* =========================================
   TOAST
========================================= */

#toast {
  position: fixed;

  right: 18px;
  bottom: 18px;

  z-index: 9999;

  padding: 9px 13px;

  border-radius: 8px;

  background: #172033;
  color: #ffffff;

  font-size: 11px;
  font-weight: 750;

  opacity: 0;
  pointer-events: none;

  transform: translateY(8px);

  transition: 0.2s ease;
}

#toast.show {
  opacity: 1;
  transform: translateY(0);
}


/* =========================================
   RESPONSIVE
========================================= */

@media (max-width: 1050px) {
  .pov-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 520px) {

  .topbar {
    padding: 0 12px;
  }

  .pov-layout {
    padding: 10px;
    gap: 10px;
  }

  .pov-body {
    padding: 10px;
  }

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