* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Inter", sans-serif;
  background: #f1f5f9;
  animation: fadeIn 0.6s ease;
}

/* header */

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 40px;
  background: white;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.logo {
  font-size: 20px;
  font-weight: 600;
  color: #2563eb;
  display: flex;
  gap: 8px;
  align-items: center;
}

#logoutBtn {
  background: #ef4444;
  border: none;
  color: white;
  padding: 10px 16px;
  border-radius: 6px;
  cursor: pointer;
  display: flex;
  gap: 6px;
  align-items: center;
}

.welcome {
  font-family: "Pacifico", cursive;
  font-size: 16px;
  color: #1e293b;
  margin-left: auto;
  margin-right: 20px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* animation */

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* mobile */

@media (max-width: 768px) {
  header {
    flex-wrap: wrap;
    padding: 12px 16px;
  }

  .logo {
    font-size: 18px;
  }

  #logoutBtn {
    padding: 8px 12px;
    font-size: 14px;
    margin-left: auto;
  }

  .welcome {
    order: 3;
    width: 100%;
    text-align: left;
    margin-top: 6px;
    font-size: 14px;
    text-overflow: ellipsis;
  }
}

/* device popup */

.device-popup {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: 0.3s;
}

.device-popup.show {
  opacity: 1;
  pointer-events: auto;
}

.popup-box {
  background: white;
  padding: 26px;
  width: 90%;
  max-width: 340px;
  border-radius: 12px;
  text-align: center;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.popup-icon {
  font-size: 32px;
  color: #2563eb;
  margin-bottom: 10px;
}

.popup-box h3 {
  font-size: 18px;
  margin-bottom: 8px;
}

.popup-box p {
  font-size: 14px;
  color: #64748b;
  margin-bottom: 18px;
}

.popup-box button {
  background: #2563eb;
  color: white;
  border: none;
  padding: 10px 20px;
  border-radius: 6px;
  cursor: pointer;
}

/* dashboard button */

.dashboard-actions {
  padding: 20px 40px;
}

.create-btn {
  background: #2563eb;
  color: white;
  border: none;
  padding: 10px 16px;
  border-radius: 6px;
  cursor: pointer;
  display: flex;
  gap: 6px;
  align-items: center;
}

/* popup overlay */

.create-popup {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.3);
  z-index: 1100;
  opacity: 0;
  pointer-events: none;
  transition: 0.3s;
  display: flex;
  justify-content: flex-end;
}

.create-popup.show {
  opacity: 1;
  pointer-events: auto;
}

/* desktop panel */

.create-popup-box {
  width: 420px;
  height: 100%;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);

  border-left: 1px solid #e2e8f0;

  box-shadow: -10px 0 40px rgba(0, 0, 0, 0.08);

  transform: translateX(100%);
  transition: 0.4s cubic-bezier(0.22, 0.61, 0.36, 1);

  display: flex;
  flex-direction: column;

  overflow-y: auto; /* scrollable for many questions */
  overflow-x: hidden;
  padding-right: 12px; /* scroll space */
  position: relative;
  padding-right: 0;
}
/* Scrollbar style */
.create-popup-box::-webkit-scrollbar {
  width: 8px;
}

.create-popup-box::-webkit-scrollbar-thumb {
  background: #2563eb;
  border-radius: 4px;
}

.create-popup.show .create-popup-box {
  transform: translateX(0);
}

/* header */

.popup-header {
  display: flex;
  justify-content: space-between;
  align-items: center;

  padding: 18px 20px;

  background: linear-gradient(135deg, #2563eb, #4f46e5);

  color: white;
}
/* close icon hover effect */
#closeCreatePopup {
  cursor: pointer;
  font-size: 18px;
  opacity: 0.8;
  transition: 0.2s;
}

#closeCreatePopup:hover {
  opacity: 1;
  transform: rotate(90deg);
}
/* popup content spacing  */
.popup-content {
  padding: 22px;
  line-height: 1.6;
  color: #475569;
}

.popup-header h3 {
  font-size: 18px;
}

#closeCreatePopup {
  cursor: pointer;
  font-size: 18px;
}

/* content */

.popup-content {
  padding: 16px;
}

/* MOBILE */

@media (max-width: 768px) {
  .create-popup {
    align-items: flex-end;
    justify-content: center;
  }

  .create-popup-box {
    width: 100%;
    height: 85%;

    border-radius: 22px 22px 0 0;

    box-shadow: 0 -10px 40px rgba(0, 0, 0, 0.15);

    transform: translateY(100%);
    overflow-y: scroll;
    overflow-x: hidden;
    padding-right: 1px; /* scroll space */

    scrollbar-width: none;
    -ms-overflow-style: none;
  }

  .create-popup.show .create-popup-box {
    transform: translateY(0);
  }

  .popup-header {
    position: relative;
  }

  .popup-header::before {
    content: "";
    width: 40px;
    height: 4px;
    background: #cbd5f5;
    border-radius: 4px;
    position: absolute;
    top: -8px;
    left: 50%;
    transform: translateX(-50%);
  }
}

/* add questions popup */
/* Test meta select */
.test-meta {
  display: flex;
  gap: 12px;
  margin-bottom: 16px;
}
.test-meta select {
  flex: 1;
  padding: 8px 12px;
  border-radius: 8px;
  border: 1px solid #cbd5e1;
  font-size: 14px;
}

/* Question card */
.question-card {
  border: 1px solid #cbd5e1;
  border-radius: 12px;
  padding: 14px 18px;
  margin-bottom: 16px;
  background: #f9fafb;
  position: relative;
}

/* Remove question button */
.question-card .remove-q {
  position: absolute;
  top: 10px;
  right: 10px;
  cursor: pointer;
  color: #ef4444;
}

/* Inputs inside question */
.question-card input[type="text"],
.question-card input[type="number"],
.question-card input[type="file"] {
  width: 100%;
  margin-bottom: 8px;
  padding: 8px 10px;
  border-radius: 8px;
  border: 1px solid #cbd5e1;
  font-size: 14px;
}

/* Options grid */
.options {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 8px;
}
.options label {
  display: flex;
  align-items: center;
  gap: 6px;
}
.options input[type="radio"] {
  accent-color: #2563eb;
}

/* Actions buttons */
.popup-actions {
  display: flex;
  justify-content: space-between;
  padding-top: 12px;
  gap: 12px;
  border-top: 1px solid #cbd5e1;
}
.popup-btn.add {
  flex: 1;
  background: linear-gradient(135deg, #2563eb, #4f46e5);
  color: white;
  font-weight: 600;
  padding: 10px 0;
  border-radius: 10px;
  transition: 0.3s;
  cursor: pointer;
  border: none;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.popup-btn.add:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(37, 99, 235, 0.4);
}

.popup-btn.create {
  flex: 1;
  background: linear-gradient(135deg, #16a34a, #22c55e);
  color: white;
  font-weight: 600;
  padding: 10px 0;
  border-radius: 10px;
  transition: 0.3s;
  cursor: pointer;
  border: none;
  box-shadow: 0 4px 12px rgba(22, 163, 74, 0.3);
}

.popup-btn.create:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(22, 163, 74, 0.4);
}

.correct-option {
  width: 100%;
  padding: 8px 10px;
  border-radius: 8px;
  border: 1px solid #cbd5e1;
  margin-top: 8px;
  font-size: 14px;
}
.test-meta input {
  flex: 1;
  padding: 8px 10px;
  border-radius: 8px;
  border: 1px solid #cbd5e1;
  font-size: 14px;
  min-width: 0;
}

/* ================================
MY TESTS PANEL
================================ */

.tests-section {
  margin: 30px auto;
  width: 92%;
  max-width: 1100px;
}

/* header */

.tests-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.tests-header h2 {
  font-size: 22px;
  color: #333;
}
#ur-test {
  color: #2563eb;
}
/* search */

#testSearch {
  padding: 10px 14px;
  border-radius: 8px;
  border: 1px solid #ddd;
  outline: none;
  font-size: 14px;
}

/* container */

.tests-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 18px;
}

/* card */

.test-card {
  background: white;
  padding: 18px;
  border-radius: 12px;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.08);
  cursor: pointer;
  transition: 0.25s;
}

.test-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.12);
}

.test-subject {
  font-size: 18px;
  font-weight: 600;
  color: #2563eb;
  margin-bottom: 6px;
}

.test-class {
  font-size: 14px;
  color: #444;
}

.test-date {
  font-size: 12px;
  margin-top: 10px;
  color: #777;
}

/* mobile */

@media (max-width: 600px) {
  .tests-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }
}

/* test card header */

.test-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* delete icon */

.delete-test {
  color: #ef4444;
  cursor: pointer;
  font-size: 16px;
  transition: 0.2s;
}

.delete-test:hover {
  transform: scale(1.2);
}
/* delete popup */

.delete-popup {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);

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

  opacity: 0;
  pointer-events: none;

  transition: 0.3s;
  z-index: 5000;
}

.delete-popup.show {
  opacity: 1;
  pointer-events: auto;
}

.delete-box {
  width: 340px;
  max-width: 92%;
  background: linear-gradient(180deg, #ffffff, #f8fafc);
  border-radius: 18px;
  padding: 26px 24px;
  text-align: center;

  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.25);

  animation: deletePop 0.22s ease;
}

@keyframes deletePop {
  from {
    transform: scale(0.85);
    opacity: 0.4;
  }
  to {
    transform: scale(1);
    opacity: 1;
  }
}

.delete-box h3 {
  font-size: 18px;
  margin-bottom: 8px;
  color: #0f172a;
}

.delete-box p {
  font-size: 13px;
  color: #64748b;
  margin-bottom: 18px;
}

.delete-actions {
  display: flex;
  justify-content: center;
  gap: 12px;
}

.delete-actions button {
  min-width: 90px;
  padding: 9px 14px;
  border-radius: 10px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: 0.2s;
}

/* cancel */
#cancelQDelete {
  background: #e2e8f0;
  color: #0f172a;
}

#cancelQDelete:hover {
  background: #cbd5e1;
  transform: translateY(-1px);
}

/* delete */
#confirmQDelete {
  background: linear-gradient(135deg, #ef4444, #dc2626);
  color: red;
  color: white;
  box-shadow: 0 6px 14px rgba(239, 68, 68, 0.35);
}

#confirmQDelete:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 18px rgba(239, 68, 68, 0.45);
}

.delete-actions {
  margin-top: 15px;
  display: flex;
  justify-content: center;
  gap: 10px;
}

#confirmDelete {
  background: #ef4444;
  color: white;
  border: none;
  padding: 8px 16px;
  border-radius: 6px;
  cursor: pointer;
}

#cancelDelete {
  background: #ddd;
  border: none;
  padding: 8px 16px;
  border-radius: 6px;
  cursor: pointer;
}

/* ===== EDIT TEST MODAL (ALL DEVICES) ===== */

.edit-popup {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.55);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 2000;
  opacity: 0;
  pointer-events: none;
  transition: 0.25s ease;
  padding: 16px;
}

.edit-popup.show {
  opacity: 1;
  pointer-events: auto;
}

.edit-box {
  width: 100%;
  max-width: 620px; /* smaller size */
  max-height: 88vh;
  overflow-y: auto;
  background: linear-gradient(180deg, #ffffff, #f8fafc);
  border-radius: 18px;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.25);
  padding: 22px;
  animation: popIn 0.25s ease;
}

@keyframes popIn {
  from {
    transform: scale(0.92);
    opacity: 0.5;
  }
  to {
    transform: scale(1);
    opacity: 1;
  }
}

.edit-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
}

#closeEditPopup {
  cursor: pointer;
  font-size: 20px;
  color: #64748b;
  padding: 6px;
  border-radius: 8px;
  transition: 0.2s;
}

#closeEditPopup:hover {
  background: #e2e8f0;
  color: #ef4444;
  transform: rotate(90deg);
}

.edit-meta input {
  width: 100%;
  margin-top: 12px;

  padding: 10px;
  border-radius: 6px;

  border: 1px solid #ddd;
}

.edit-question {
  margin-top: 20px;

  padding: 15px;

  border-radius: 8px;

  border: 1px solid #eee;
}

.edit-question input,
.edit-question select {
  width: 100%;

  margin-top: 8px;

  padding: 8px;

  border: 1px solid #ddd;
  border-radius: 5px;
}

.q-delete {
  color: red;
  cursor: pointer;
  float: right;
}

.edit-question {
  background: #f8f9ff;
  padding: 15px;
  margin-bottom: 20px;
  border-radius: 8px;
}

.q-header {
  display: flex;
  justify-content: space-between;
  margin-bottom: 10px;
}

.options-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 10px;
}

.q-meta {
  display: flex;
  gap: 15px;
  margin-top: 10px;
}

.q-meta input {
  width: 80px;
}
/* DESKTOP: Edit popup center modal */
@media (min-width: 769px) {
  .edit-popup {
    top: 0;
    bottom: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    background: rgba(0, 0, 0, 0.45);
    padding: 20px;
  }

  .edit-popup.show {
    bottom: 0;
  }

  .edit-box {
    width: 100%;
    max-width: 720px;
    max-height: 90vh;
    overflow-y: auto;
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.25);
  }
}

/* Improve edit question layout */

.edit-info {
  background: #eef2ff;
  padding: 12px 14px;
  border-radius: 8px;
  margin-bottom: 15px;
  font-size: 14px;
  color: #1e293b;
}

.edit-question {
  background: white;
  border: 1px solid #e2e8f0;
  padding: 18px;
  border-radius: 12px;
  margin-bottom: 22px;
}

.edit-question textarea {
  width: 100%;
  min-height: 70px;
  resize: vertical;
  padding: 10px;
  border-radius: 8px;
  border: 1px solid #cbd5e1;
  font-family: inherit;
}

.options-grid {
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-top: 12px;
}
.options-grid label {
  font-size: 12px;
  color: #475569;
  margin-bottom: 2px;
  display: block;
}

.options-grid input {
  width: 100%;
  padding: 8px 10px;
  border-radius: 8px;
  border: 1px solid #cbd5e1;
  background: #f1f5f9;
  font-size: 13px;
}

.q-meta {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px dashed #e2e8f0;
  font-size: 13px;
  color: #475569;
}

.edit-question {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  padding: 16px;
  border-radius: 14px;
  margin-bottom: 18px;
}

.edit-question textarea {
  width: 100%;
  min-height: 60px;
  padding: 10px;
  border-radius: 10px;
  border: 1px solid #cbd5e1;
  background: #f8fafc;
  font-size: 14px;
}

.q-header {
  font-size: 14px;
  margin-bottom: 8px;
  color: #0f172a;
}

.q-meta {
  display: flex;
  gap: 18px;
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px dashed #e2e8f0;
  font-size: 12px;
  color: #64748b;
}
.edit-info {
  background: linear-gradient(135deg, #dbeafe, #e0e7ff);
  padding: 12px 14px;
  border-radius: 10px;
  margin-bottom: 16px;
  font-size: 13px;
  color: #1e293b;
}
/* copy test link css */
.test-actions {
  display: flex;
  gap: 12px;
  align-items: center;
}

.copy-link {
  color: #2563eb;
  cursor: pointer;
  font-size: 18px;
  transition: 0.2s;
}

.copy-link:hover {
  color: #1d4ed8;
  transform: scale(1.15);
}

/* popup */

.copy-popup {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background: #16a34a;
  color: #fff;
  padding: 12px 18px;
  border-radius: 8px;
  font-size: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
  opacity: 0;
  transform: translateY(20px);
  pointer-events: none;
  transition: 0.3s;
  z-index: 9999;
}

.copy-popup.show {
  opacity: 1;
  transform: translateY(0);
}

/* mobile */

@media (max-width: 600px) {
  .copy-popup {
    right: 50%;
    transform: translate(50%, 20px);
  }
  .copy-popup.show {
    transform: translate(50%, 0);
  }
}

/* qr code popup */

.qr-popup {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: 0.3s;
  z-index: 9999;
}

.qr-popup.show {
  opacity: 1;
  pointer-events: auto;
}

.qr-box {
  background: #fff;
  width: 92%;
  max-width: 340px;
  padding: 20px;
  border-radius: 14px;
  text-align: center;
  animation: pop 0.25s ease;
}

.qr-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.qr-header i {
  cursor: pointer;
  font-size: 18px;
}

#qrCode {
  display: flex;
  justify-content: center;
  padding: 10px;
  background: #fff;
}

@keyframes pop {
  from {
    transform: scale(0.85);
    opacity: 0;
  }
  to {
    transform: scale(1);
    opacity: 1;
  }
}

/* student result btn css */

.result-btn {
  width: 92%;
  margin: 10px auto 18px auto;
  display: block;
  padding: 12px;
  border-radius: 10px;
  border: none;
  background: #6c63ff;
  color: white;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
}
.result-btn:active {
  transform: scale(0.98);
}

/* student result panel open css */
.slide-panel {
  position: fixed;
  bottom: -100%;
  left: 0;
  width: 100%;
  height: 85vh;
  background: #fff;
  z-index: 999;
  border-radius: 18px 18px 0 0;
  box-shadow: 0 -5px 20px rgba(0, 0, 0, 0.15);
  transition: bottom 0.3s ease;
  display: flex;
  flex-direction: column;
}

.slide-panel.active {
  bottom: 0;
}

.panel-header {
  padding: 14px;
  background: #6c63ff;
  color: white;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.panel-body {
  padding: 12px;
  overflow-y: auto;
}

.rt-head,
.rt-row {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  padding: 10px 6px;
  align-items: center;
  gap: 8px;
  font-size: 13px;
}

.rt-head {
  font-weight: bold;
  background: #f2f2f2;
  border-radius: 8px;
}

.rt-row {
  border-bottom: 1px solid #eee;
}

.delete-result-btn {
  background: #ef4444;
  color: white;
  border: none;
  padding: 6px 10px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 12px;
}
.delete-result-btn:hover {
  background: #dc2626;
}

/* 💻 Desktop Result Panel = Center Modal */
@media (min-width: 768px) {
  .slide-panel {
    width: 420px; /* mobile jaisa slim */
    height: 80vh;
    left: 50%;
    transform: translateX(-50%);
    border-radius: 18px;
    bottom: -100%;
  }

  .slide-panel.active {
    bottom: 10vh; /* thoda upar se open */
  }
}

.slide-panel {
  box-shadow: 0 25px 70px rgba(0, 0, 0, 0.25);
}
#closeResultPanel {
  cursor: pointer;
}
/* ================================
   STUDENT SEARCH BOX STYLING
================================ */

.student-search {
  padding: 14px 18px;
  margin-bottom: 5px;
  border-radius: 14px;
  border: 1px solid green;
  background: linear-gradient(145deg, #ffffff, #f8fafc);
  font-size: 14px;
  font-family: "Inter", sans-serif;
  color: #0f172a;
  outline: none;
  margin-top: 10px;
  transition: all 0.25s ease;
  box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.04), 0 2px 6px rgba(0, 0, 0, 0.04);
}

/* Placeholder */
.student-search::placeholder {
  color: #94a3b8;
  font-weight: 500;
}

/* Hover */
.student-search:hover {
  border-color: #cbd5e1;
  box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.05),
    0 4px 10px rgba(0, 0, 0, 0.06);
}

/* Focus (typing time glow effect) */
.student-search:focus {
  border-color: #6366f1;
  background: #ffffff;
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15),
    0 8px 20px rgba(99, 102, 241, 0.12);
  transform: translateY(-1px);
}

/* Mobile spacing */
@media (max-width: 768px) {
  .student-search {
    padding: 13px 16px;
    font-size: 13px;
    border-radius: 12px;
  }
}

/* download all stu result in file */

.download-btn {
  width: 40px;
  margin: 10px 0 12px 0;
  padding: 12px;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  font-weight: 600;
  font-size: 14px;
  color: #fff;
  background: linear-gradient(135deg, #16a34a, #22c55e);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: 0.2s;
}

.download-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(34, 197, 94, 0.35);
}

.download-btn:active {
  transform: scale(0.98);
}

/* student search bar and dow btn ak line me */
.result-top-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 10px 0 6px 0;
}
.result-top-bar .student-search {
  flex: 1;
  margin: 0;
}

.result-top-bar .download-btn {
  margin: 0;
  flex-shrink: 0;
}
/* teacher size edit panel me img ki css */
.edit-img-preview {
  margin: 10px 0;
  display: flex;
  align-items: center;
  gap: 12px;
}

.edit-img-preview img {
  width: 70px;
  height: 55px;
  object-fit: cover;
  border-radius: 6px;
  cursor: pointer;
  border: 2px solid #ddd;
}

.change-img-btn {
  background: #eef2ff;
  color: #4338ca;
  padding: 6px 10px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.change-img-btn.noimg {
  margin-top: 8px;
  display: inline-flex;
}
/* teacher side edit test full popup */

.img-popup {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.85);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  flex-direction: column;
}

.img-popup img {
  max-width: 95%;
  max-height: 85%;
  border-radius: 10px;
}

.img-close {
  position: absolute;
  top: 15px;
  right: 20px;
  font-size: 26px;
  color: white;
  cursor: pointer;
}


/* TEACHER GUIDE */
.teacher-guide {
  margin-top: 20px;
  padding: 15px;
  border-radius: 14px;
  background: rgba(56,189,248,0.05);
  border: 1px solid rgba(56,189,248,0.2);
  animation: fadeInUp 0.6s ease;
}

.teacher-guide h3 {
  font-size: 16px;
  margin-bottom: 10px;
  color: #38bdf8;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* LIST */
.guide-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.guide-list li {
  font-size: 13px;
  display: flex;
  gap: 10px;
  align-items: center;
  background: rgba(255,255,255,0.03);
  padding: 8px 10px;
  border-radius: 8px;
  transition: 0.3s;
}

/* NUMBER */
.guide-list li span {
  min-width: 22px;
  height: 22px;
  background: linear-gradient(135deg, #22c55e, #38bdf8);
  color: #000;
  font-size: 12px;
  font-weight: bold;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
}

/* HOVER */
.guide-list li:hover {
  transform: translateX(5px);
  background: rgba(56,189,248,0.1);
}

/* ANIMATION */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(15px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Floating guide + support (minimal motion, clear shapes) */
#guideBtn,
#supportBtn {
  position: fixed;
  z-index: 999;
  width: 50px;
  height: 50px;
  padding: 0;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 19px;
  line-height: 1;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
}

/* Guide: rounded tile + book icon — distinct from circular support */
#guideBtn {
  bottom: 20px;
  right: 20px;
  border-radius: 14px;
  background: #ffffff;
  color: #0d9488;
  border: 1px solid #e2e8f0;
  box-shadow: 0 2px 10px rgba(15, 23, 42, 0.1);
  transition: background 0.2s ease, box-shadow 0.2s ease, color 0.2s ease,
    border-color 0.2s ease;
}

#guideBtn:hover {
  background: #f0fdfa;
  border-color: #99f6e4;
  color: #0f766e;
  box-shadow: 0 4px 14px rgba(15, 23, 42, 0.12);
}

#guideBtn:active {
  background: #ccfbf1;
}

/* Support: solid circle, same blue family as dashboard */
#supportBtn {
  bottom: 20px;
  right: 86px;
  border-radius: 50%;
  background: #2563eb;
  color: #fff;
  box-shadow: 0 2px 12px rgba(37, 99, 235, 0.35);
  transition: background 0.2s ease, box-shadow 0.2s ease;
}

#supportBtn:hover {
  background: #1d4ed8;
  box-shadow: 0 4px 16px rgba(37, 99, 235, 0.42);
}

#supportBtn:active {
  background: #1e40af;
}

@media (max-width: 420px) {
  #guideBtn {
    bottom: 86px;
    right: 20px;
  }

  #supportBtn {
    bottom: 20px;
    right: 20px;
  }
}

/* POPUP BACKGROUND */
.guide-popup {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.5);
  display: none;
  justify-content: center;
  align-items: center;
  transition: 0.4s;
  z-index: 1000;
}

/* ACTIVE SHOW */
.guide-popup.show {
  display: flex;
  
}

/* BOX */
.guide-box {
  background: white;
  padding: 20px;
  border-radius: 16px;
  width: 90%;
  max-width: 400px;
  animation: slideIn 0.4s ease;
}

/* SLIDE ANIMATION */
@keyframes slideIn {
  from { transform: translateX(-100px); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* HEADER */
.guide-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}

.guide-header h3 {
  color: #38bdf8;
}

.guide-header i {
  cursor: pointer;
  font-size: 18px;
}

/* LIST same old style reuse */
.guide-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.guide-list li {
  font-size: 13px;
  display: flex;
  gap: 10px;
  background: rgba(255,255,255,0.03);
  padding: 8px;
  border-radius: 8px;
}

.guide-list li span {
  min-width: 22px;
  height: 22px;
  background: linear-gradient(135deg, #22c55e, #38bdf8);
  color: #000;
  font-size: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
}

/* ================= SUPPORT POPUP (same pattern as guide) ================= */

.support-popup {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.55);
  display: none;
  justify-content: center;
  align-items: center;
  padding: 16px;
  padding-bottom: max(16px, env(safe-area-inset-bottom));
  transition: opacity 0.35s ease;
  z-index: 1001;
  opacity: 0;
  pointer-events: none;
}

.support-popup.show {
  display: flex;
  opacity: 1;
  pointer-events: auto;
}

.support-box {
  background: #fff;
  border-radius: 18px;
  width: 100%;
  max-width: 420px;
  max-height: min(88vh, 640px);
  display: flex;
  flex-direction: column;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.22);
  animation: supportSlideIn 0.42s cubic-bezier(0.22, 0.61, 0.36, 1);
  overflow: hidden;
}

@keyframes supportSlideIn {
  from {
    transform: translateX(-110%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

.support-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 18px;
  background: linear-gradient(135deg, #4f46e5, #6366f1);
  color: #fff;
  flex-shrink: 0;
}

.support-header h3 {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 10px;
}

.support-header h3 i {
  font-size: 1.1rem;
  opacity: 0.95;
}

.support-header #closeSupport {
  cursor: pointer;
  font-size: 18px;
  padding: 6px;
  border-radius: 8px;
  transition: background 0.2s;
}

.support-header #closeSupport:hover {
  background: rgba(255, 255, 255, 0.15);
}

.support-body {
  padding: 16px 18px 20px;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  color: #334155;
  font-size: 14px;
  line-height: 1.55;
}

.support-lead {
  margin: 0 0 16px;
  color: #64748b;
  font-size: 13px;
}

.support-subtitle {
  margin: 18px 0 8px;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: #4f46e5;
  font-weight: 700;
}

.support-body .support-subtitle:first-of-type {
  margin-top: 0;
}

.support-note {
  margin: 0 0 12px;
  font-size: 13px;
  color: #475569;
}

.support-refund-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  background: linear-gradient(135deg, #0ea5e9, #2563eb);
  color: #fff !important;
  text-decoration: none;
  font-weight: 600;
  font-size: 13px;
  border-radius: 12px;
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.35);
  transition: transform 0.2s, box-shadow 0.2s;
}

.support-refund-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(37, 99, 235, 0.45);
}

.support-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.support-list li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  background: #f8fafc;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid #e2e8f0;
  font-size: 13px;
}

.support-list li span {
  flex-shrink: 0;
  min-width: 24px;
  height: 24px;
  background: linear-gradient(135deg, #6366f1, #8b5cf6);
  color: #fff;
  font-size: 11px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
}

.support-list li b {
  color: #0f172a;
}

.support-email-block {
  margin-top: 8px;
  padding-top: 4px;
}

.support-email-line {
  margin: 0;
  font-size: 13px;
  color: #475569;
}

.support-mail {
  color: #4f46e5;
  font-weight: 700;
  word-break: break-all;
}

.support-mail:hover {
  text-decoration: underline;
}

@media (max-width: 380px) {
  .support-box {
    max-height: min(92vh, 100%);
    border-radius: 16px;
  }

  .support-header h3 {
    font-size: 0.95rem;
  }
}