*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
html,
body {
  height: 100%;
  font-family: 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  color: #202124;
  background: #f8f9fa;
}
[hidden] {
  display: none !important;
}
.login-screen {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: linear-gradient(135deg, #e8f0fe 0%, #f8f9fa 100%);
  padding: 24px;
}
.login-card {
  background: #ffffff;
  border-radius: 12px;
  box-shadow: 0 2px 16px rgba(0, 0, 0, 0.12);
  padding: 48px 40px 40px;
  width: 100%;
  max-width: 400px;
  text-align: center;
  animation: fadeSlideUp 0.4s 0.25s ease;
}
@keyframes fadeSlideUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
.login-logo svg {
  margin-bottom: 16px;
}
.login-title {
  font-size: 24px;
  font-weight: 700;
  color: #202124;
  margin-bottom: 4px;
}
.login-subtitle {
  font-size: 14px;
  color: #5f6368;
  margin-bottom: 32px;
}
.form-group {
  text-align: left;
  margin-bottom: 20px;
}
.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: #3c4043;
  margin-bottom: 6px;
}
.form-group input {
  width: 100%;
  padding: 10px 14px;
  font-size: 14px;
  border: 1px solid #e8eaed;
  border-radius: 8px;
  outline: none;
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}
.form-group input:focus {
  border-color: #1a73e8;
  box-shadow: 0 0 0 3px rgba(26, 115, 232, 0.18);
}
.form-group input::placeholder {
  color: #5f6368;
  opacity: 0.6;
}
.checkbox-label {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  user-select: none;
}
.checkbox-label input[type="checkbox"] {
  width: 18px;
  height: 18px;
  cursor: pointer;
  accent-color: #1a73e8;
}
.checkbox-label span {
  font-size: 13px;
  color: #3c4043;
  font-weight: 500;
}
.password-wrapper {
  position: relative;
}
.password-wrapper input {
  padding-right: 42px;
}
.toggle-password {
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  cursor: pointer;
  color: #5f6368;
  padding: 4px;
  display: flex;
  align-items: center;
}
.toggle-password:hover {
  color: #202124;
}
.login-error {
  background: rgba(217, 48, 37, 0.08);
  color: #d93025;
  font-size: 13px;
  padding: 10px 14px;
  border-radius: 8px;
  margin-bottom: 16px;
  text-align: left;
}
.btn-login {
  width: 100%;
  padding: 12px;
  font-size: 15px;
  font-weight: 600;
  color: #ffffff;
  background: #1a73e8;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.25s ease, box-shadow 0.25s ease;
}
.btn-login:hover {
  background: #1558b0;
}
.btn-login:active {
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.2);
}
.btn-login:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}
.login-footer {
  margin-top: 32px;
  font-size: 12px;
  color: #5f6368;
}
.app {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
.top-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: #1a73e8;
  color: #ffffff;
  height: 56px;
  padding: 0 20px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.18);
  position: sticky;
  top: 0;
  z-index: 100;
}
.top-nav__left {
  display: flex;
  align-items: center;
  flex: 0 0 auto;
}
.top-nav__logo {
  display: block;
}
.top-nav__center {
  flex: 1 1 auto;
  text-align: center;
}
.top-nav__center h1 {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.3px;
  white-space: nowrap;
}
.top-nav__right {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 0 0 auto;
}
.top-nav__welcome {
  font-size: 14px;
  font-weight: 500;
  white-space: nowrap;
}
.btn-refresh {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  font-size: 13px;
  font-weight: 600;
  color: #1a73e8;
  background: #ffffff;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.25s ease;
}
.btn-refresh:hover {
  background: #f1f3f4;
}
.btn-refresh svg {
  flex-shrink: 0;
}
.btn-tutorial {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  font-size: 13px;
  font-weight: 600;
  color: #ffffff;
  background: #1a73e8;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.25s ease;
}
.btn-tutorial:hover {
  background: #1558b0;
}
.btn-tutorial svg {
  flex-shrink: 0;
}
.btn-logout {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  font-size: 13px;
  font-weight: 600;
  color: #ffffff;
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.25s ease, border-color 0.25s ease;
}
.btn-logout:hover {
  background: rgba(255, 255, 255, 0.25);
  border-color: rgba(255, 255, 255, 0.5);
}
.btn-logout svg {
  flex-shrink: 0;
}
.app-body {
  display: flex;
  flex: 1;
  min-height: calc(100vh - 56px);
}
.sidebar {
  width: 220px;
  background: #ffffff;
  border-right: 1px solid #e8eaed;
  padding: 16px 0;
  flex-shrink: 0;
}
.sidebar__nav {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 0 12px;
}
.sidebar__tab {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 10px 14px;
  font-size: 14px;
  font-weight: 500;
  color: #3c4043;
  background: transparent;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  text-align: left;
  transition: background 0.25s ease, color 0.25s ease;
}
.sidebar__tab svg {
  flex-shrink: 0;
  color: #5f6368;
  transition: color 0.25s ease;
}
.sidebar__tab:hover {
  background: #f1f3f4;
  color: #202124;
}
.sidebar__tab.active {
  background: rgba(26, 115, 232, 0.1);
  color: #1a73e8;
  font-weight: 600;
}
.sidebar__tab.active svg {
  color: #1a73e8;
}
.app-main {
  flex: 1;
  padding: 32px 32px;
  overflow-y: auto;
  background: #f8f9fa;
}
.app-main h2 {
  font-size: 22px;
  margin-bottom: 6px;
}
.panel-description {
  font-size: 14px;
  color: #5f6368;
  margin-bottom: 24px;
}
.panel-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 24px;
}
.sort-control {
  display: flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
}
.sort-control label {
  font-size: 13px;
  font-weight: 500;
  color: #5f6368;
}
.sort-select {
  padding: 6px 30px 6px 12px;
  font-size: 13px;
  font-weight: 500;
  color: #3c4043;
  background: #ffffff;
  border: 1px solid #dadce0;
  border-radius: 6px;
  outline: none;
  cursor: pointer;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  background-image: url('data:image/svg+xml;charset=UTF-8,<svg xmlns=\"http://www.w3.org/2000/svg\" width=\"12\" height=\"12\" viewBox=\"0 0 12 12\"><path fill=\"%235f6368\" d=\"M2 4l4 4 4-4z\"/></svg>');
  background-repeat: no-repeat;
  background-position: right 8px center;
  appearance: none;
}
.sort-select:hover {
  border-color: #bdc1c6;
}
.sort-select:focus {
  border-color: #1a73e8;
  box-shadow: 0 0 0 3px rgba(26, 115, 232, 0.12);
}
.tab-panel {
  display: none;
}
.tab-panel.active {
  display: block;
  animation: fadeIn 0.2s ease;
}
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}
.submissions-list {
  background: #ffffff;
  border: 1px solid #e8eaed;
  border-radius: 12px;
  min-height: 200px;
  overflow: hidden;
}
.empty-state {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 200px;
  color: #5f6368;
  font-size: 14px;
}
.error-state {
  color: #d93025;
}
.sub-card {
  border-bottom: 1px solid #e8eaed;
  transition: background 0.25s ease;
}
.sub-card:last-child {
  border-bottom: none;
}
.sub-card:hover {
  background: rgba(26, 115, 232, 0.03);
}
.sub-card.expanded .sub-card__detail {
  max-height: 400px;
  padding: 0 16px 16px;
  opacity: 1;
}
.sub-card.expanded .sub-card__summary::after {
  transform: rotate(180deg);
}
.sub-card__summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  cursor: pointer;
  user-select: none;
  position: relative;
}
.sub-card__summary::after {
  content: '';
  width: 8px;
  height: 8px;
  border-right: 2px solid #5f6368;
  border-bottom: 2px solid #5f6368;
  transform: rotate(45deg);
  transition: transform 0.2s ease;
  flex-shrink: 0;
  margin-left: 12px;
}
.sub-card__fields {
  display: flex;
  align-items: center;
  gap: 20px;
  flex: 1;
  min-width: 0;
  font-size: 13px;
}
.sub-card__time {
  color: #5f6368;
  flex: 0 0 150px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.sub-card__name {
  font-weight: 600;
  color: #202124;
  flex: 0 0 160px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.sub-card__address {
  color: #3c4043;
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.sub-card__actions {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
  margin-left: 12px;
}
.btn-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  transition: background 0.25s ease, transform 0.15s ease;
}
.btn-action:hover {
  transform: scale(1.1);
}
.btn-action:active {
  transform: scale(0.95);
}
.btn-action--approve {
  background: #def7ec;
  color: #03724c;
}
.btn-action--approve:hover {
  background: #b6f0d8;
}
.btn-action--delete {
  background: rgba(217, 48, 37, 0.1);
  color: #d93025;
}
.btn-action--delete:hover {
  background: rgba(217, 48, 37, 0.2);
}
.btn-action--loading {
  position: relative;
  pointer-events: none;
  opacity: 0.6;
}
.btn-action--loading svg {
  visibility: hidden;
}
.btn-action--loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 14px;
  height: 14px;
  margin: -7px 0 0 -7px;
  border: 2px solid #e8eaed;
  border-top-color: #3c4043;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}
.sub-card__detail {
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  padding: 0 16px;
  transition: max-height 0.3s ease, opacity 0.25s ease, padding 0.3s ease;
  background: #f8f9fa;
  border-top: 1px solid transparent;
}
.sub-card.expanded .sub-card__detail {
  border-top-color: #e8eaed;
}
.detail-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 12px;
  padding-top: 12px;
}
.detail-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.detail-item--wide {
  grid-column: span 2;
}
.detail-label {
  font-size: 11px;
  font-weight: 600;
  color: #5f6368;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.detail-value {
  font-size: 13px;
  color: #202124;
  word-break: break-word;
  white-space: normal;
}
.notes-section {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding-top: 16px;
  margin-top: 16px;
  border-top: 1px solid #e8eaed;
}
.notes-label {
  font-size: 12px;
  font-weight: 600;
  color: #5f6368;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.notes-textarea {
  width: 100%;
  padding: 10px 12px;
  font-size: 13px;
  font-family: inherit;
  color: #202124;
  background: #f8f9fa;
  border: 1px solid #dadce0;
  border-radius: 6px;
  resize: vertical;
  min-height: 60px;
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}
.notes-textarea:focus {
  background: #ffffff;
  border-color: #1a73e8;
  box-shadow: 0 0 0 3px rgba(26, 115, 232, 0.12);
}
.notes-textarea::placeholder {
  color: #5f6368;
  opacity: 0.6;
}
.btn-save-notes {
  align-self: flex-end;
  padding: 8px 18px;
  font-size: 13px;
  font-weight: 600;
  color: #ffffff;
  background: #1a73e8;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  transition: background 0.2s ease, transform 0.1s ease;
}
.btn-save-notes:hover {
  background: #1558b0;
}
.btn-save-notes:active {
  transform: scale(0.98);
}
.btn-save-notes:disabled {
  background: #bdc1c6;
  cursor: not-allowed;
}
.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 600;
  line-height: 1.4;
}
.badge--pending {
  background: #fef7e0;
  color: #b45309;
}
.badge--success {
  background: #def7ec;
  color: #03724c;
}
.badge--spam {
  background: rgba(217, 48, 37, 0.1);
  color: #d93025;
}
.spinner {
  display: inline-block;
  width: 18px;
  height: 18px;
  border: 2px solid #e8eaed;
  border-top-color: #1a73e8;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}
@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}
@media (max-width: 768px) {
  .top-nav {
    padding: 0 12px;
  }
  .top-nav__center h1 {
    font-size: 15px;
  }
  .sidebar {
    width: 56px;
    padding: 12px 0;
  }
  .sidebar__nav {
    padding: 0 6px;
  }
  .sidebar__tab {
    justify-content: center;
    padding: 10px;
    font-size: 0;
    gap: 0;
  }
  .sidebar__tab svg {
    font-size: initial;
  }
  .app-main {
    padding: 24px 16px;
  }
  .btn-refresh {
    padding: 6px 10px;
  }
  .btn-refresh span {
    display: none;
  }
}
@media (max-width: 480px) {
  .login-card {
    padding: 32px 24px 28px;
  }
  .top-nav__welcome {
    display: none;
  }
}
.notification {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 9999;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 20px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 500;
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.15);
  transform: translateX(120%);
  opacity: 0;
  transition: transform 0.3s ease, opacity 0.3s ease;
  max-width: 420px;
}
.notification--visible {
  transform: translateX(0);
  opacity: 1;
}
.notification--success {
  background: #03724c;
  color: #fff;
  border-left: 4px solid #025c3d;
}
.notification--error {
  background: #d93025;
  color: #fff;
  border-left: 4px solid #b2291e;
}
.notification--info {
  background: #1a73e8;
  color: #fff;
  border-left: 4px solid #1558b0;
}
.notification__text {
  flex: 1;
}
.notification__close {
  background: none;
  border: none;
  font-size: 20px;
  line-height: 1;
  cursor: pointer;
  color: inherit;
  opacity: 0.6;
  padding: 0 0 0 8px;
}
.notification__close:hover {
  opacity: 1;
}
/* =============================================
   TUTORIAL MODAL
   ============================================= */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 10000;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.modal.active {
  display: flex;
}
.modal-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(2px);
  animation: fadeIn 0.3s ease;
}
.modal-content {
  position: relative;
  background: #ffffff;
  border-radius: 16px;
  box-shadow: 0 12px 48px rgba(0, 0, 0, 0.25);
  width: 100%;
  max-width: 640px;
  max-height: 90vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  animation: modalSlideUp 0.4s ease;
  z-index: 1;
}
@keyframes modalSlideUp {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 28px;
  border-bottom: 1px solid #e8eaed;
}
.modal-header h2 {
  font-size: 22px;
  font-weight: 600;
  color: #202124;
  margin: 0;
}
.modal-close {
  background: none;
  border: none;
  font-size: 32px;
  line-height: 1;
  color: #5f6368;
  cursor: pointer;
  padding: 0;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: background 0.2s ease, color 0.2s ease;
}
.modal-close:hover {
  background: #f1f3f4;
  color: #202124;
}
.modal-body {
  flex: 1;
  overflow-y: auto;
  padding: 28px;
}
.tutorial-step {
  display: flex;
  gap: 16px;
  margin-bottom: 32px;
}
.tutorial-step:last-child {
  margin-bottom: 0;
}
.tutorial-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.tutorial-icon--pending {
  background: #fef7e0;
  color: #f9ab00;
}
.tutorial-icon--approve {
  background: #e6f4ea;
  color: #1e8e3e;
}
.tutorial-icon--spam {
  background: #fce8e6;
  color: #d93025;
}
.tutorial-icon--info {
  background: #e8f0fe;
  color: #1a73e8;
}
.tutorial-content h3 {
  font-size: 16px;
  font-weight: 600;
  color: #202124;
  margin: 0 0 8px 0;
}
.tutorial-content p {
  font-size: 14px;
  color: #5f6368;
  line-height: 1.6;
  margin: 0;
}
.tutorial-content ul {
  margin: 8px 0 0 0;
  padding-left: 20px;
}
.tutorial-content li {
  font-size: 14px;
  color: #5f6368;
  line-height: 1.6;
  margin-bottom: 6px;
}
.tutorial-content li:last-child {
  margin-bottom: 0;
}
.tutorial-content strong {
  color: #202124;
  font-weight: 600;
}
.modal-footer {
  padding: 20px 28px;
  border-top: 1px solid #e8eaed;
  display: flex;
  justify-content: flex-end;
}
.btn-modal-close {
  padding: 10px 24px;
  font-size: 14px;
  font-weight: 600;
  color: #ffffff;
  background: #1a73e8;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.25s ease;
}
.btn-modal-close:hover {
  background: #1558b0;
}
@media (max-width: 768px) {
  .modal-content {
    max-width: 100%;
    border-radius: 12px;
  }
  .modal-header,
  .modal-body,
  .modal-footer {
    padding-left: 20px;
    padding-right: 20px;
  }
  .tutorial-step {
    flex-direction: column;
    gap: 12px;
  }
}