:root {
  --primary: #2F6F4F;
  --primary-hover: #285F44;
  --sidebar: #163828;
  --background: #F6F8F7;
  --card: #FFFFFF;
  --border: #DCE5DF;
  --text: #1F2937;
  --muted: #6B7280;
  --warning: #D97706;
  --danger: #DC2626;
  --info: #2563EB;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: var(--background);
  color: var(--text);
}

button,
input,
select {
  font: inherit;
}

.app-layout {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: 240px;
  min-height: 100vh;
  background: var(--sidebar);
  color: #E5F3EA;
  padding: 24px 16px;
  display: flex;
  flex-direction: column;
}

.brand h1 {
  margin: 0;
  font-size: 22px;
}

.brand span {
  display: block;
  margin-top: 4px;
  font-size: 13px;
  color: #B7D8C3;
}

.sidebar-menu {
  margin-top: 32px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.menu-item {
  border: 0;
  background: transparent;
  color: #E5F3EA;
  text-align: left;
  padding: 12px;
  border-radius: 10px;
  cursor: pointer;
}

.menu-item.active,
.menu-item:hover {
  background: var(--primary);
  color: #FFFFFF;
}

.sidebar-footer {
  margin-top: auto;
  padding-top: 20px;
}

.logout-btn {
  width: 100%;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: transparent;
  color: #E5F3EA;
  text-align: left;
  padding: 12px;
  border-radius: 10px;
  cursor: pointer;
}

.logout-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #FFFFFF;
}

.main-content {
  flex: 1;
  padding: 32px;
}

.page {
  display: none;
}

.page.active {
  display: block;
}

.page-header h2 {
  margin: 0 0 6px;
  font-size: 26px;
}

.page-header p {
  margin: 0 0 24px;
  color: var(--muted);
}

.form-row {
  max-width: 320px;
  margin-bottom: 24px;
}

label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
}

input,
select {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px;
  background: #FFFFFF;
  color: var(--text);
}

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

.stat-card,
.panel,
.empty-state {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 20px;
}

.stat-card span {
  color: var(--muted);
  font-size: 14px;
}

.stat-card strong {
  display: block;
  margin-top: 12px;
  font-size: 32px;
}

.tabs {
  display: flex;
  gap: 8px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 20px;
}

.tab-item {
  border: 0;
  background: transparent;
  padding: 12px 16px;
  cursor: pointer;
  color: var(--muted);
  border-bottom: 2px solid transparent;
}

.tab-item.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
}

.tab-content {
  display: none;
}

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

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-bottom: 18px;
}

.checkbox-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin-bottom: 18px;
}

.checkbox-grid label {
  font-weight: 400;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px;
  background: #FFFFFF;
}

.checkbox-grid input {
  width: auto;
  margin-right: 6px;
}

.primary-btn {
  border: 0;
  background: var(--primary);
  color: #FFFFFF;
  padding: 12px 18px;
  border-radius: 10px;
  cursor: pointer;
  font-weight: 700;
}

.primary-btn:hover {
  background: var(--primary-hover);
}

.secondary-btn {
  border: 1px solid var(--border);
  background: #FFFFFF;
  color: var(--text);
  padding: 12px 18px;
  border-radius: 10px;
  cursor: pointer;
  font-weight: 700;
  margin-left: 8px;
}

.secondary-btn:hover {
  background: #F1F5F3;
}

.empty-state {
  margin-top: 20px;
  color: var(--muted);
}

.login-body {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 20px;
}

.login-box {
  width: 100%;
  max-width: 380px;
  background: #FFFFFF;
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px;
}

.login-box h1 {
  margin: 0 0 8px;
}

.login-box p {
  color: var(--muted);
  margin-bottom: 24px;
}

.login-box button {
  width: 100%;
  margin-top: 16px;
  border: 0;
  background: var(--primary);
  color: #FFFFFF;
  padding: 12px;
  border-radius: 10px;
  cursor: pointer;
  font-weight: 700;
}

.form-message {
  margin-top: 12px;
  font-size: 14px;
}

/* Auth checking */
body.auth-checking .app-layout,
body.auth-checking .mobile-header {
  visibility: hidden;
}

body.auth-checking::before {
  content: "Memeriksa login...";
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  background: var(--background);
  color: var(--muted);
  font-size: 14px;
  z-index: 3000;
}

/* Mobile header & burger */
.mobile-header {
  display: none;
}

.sidebar-overlay {
  display: none;
}

.mobile-brand strong {
  display: block;
  font-size: 18px;
  color: var(--text);
}

.mobile-brand span {
  display: block;
  font-size: 12px;
  color: var(--muted);
  margin-top: 2px;
}

.burger-btn {
  border: 0;
  background: transparent;
  width: 42px;
  height: 42px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  cursor: pointer;
}

.burger-btn span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 999px;
}

/* Tablet & mobile sidebar */
@media (max-width: 1024px) {
  .mobile-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: fixed;
    inset: 0 0 auto 0;
    height: 64px;
    padding: 0 18px;
    background: var(--card);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
  }

  .app-layout {
    display: block;
    min-height: 100vh;
  }

  .sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: 280px;
    max-width: 82vw;
    height: 100vh;
    min-height: 100vh;
    z-index: 1100;
    transform: translateX(-100%);
    transition: transform 0.25s ease;
  }

  .sidebar.open {
    transform: translateX(0);
  }

  .sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.45);
    z-index: 1050;
  }

  .sidebar-overlay.open {
    display: block;
  }

  .main-content {
    padding: 88px 20px 24px;
  }

  .sidebar-menu {
    flex-direction: column;
    overflow: visible;
  }

  .menu-item,
  .logout-btn {
    text-align: left;
  }
}

/* Form/card responsive */
@media (max-width: 900px) {
  .card-grid,
  .form-grid {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 520px) {
  .tabs {
    overflow-x: auto;
  }

  .tab-item {
    white-space: nowrap;
  }

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

  .primary-btn,
  .secondary-btn {
    width: 100%;
  }

  .secondary-btn {
    margin-left: 0;
    margin-top: 8px;
  }
}

.hidden {
  display: none;
}

.section-toolbar {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

.section-toolbar h3 {
  margin: 0 0 6px;
}

.section-toolbar p {
  margin: 0;
  color: var(--muted);
}

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

.project-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 18px;
}

.project-card h4 {
  margin: 0 0 8px;
  font-size: 18px;
}

.project-card p {
  margin: 6px 0;
  color: var(--muted);
  font-size: 14px;
}

.project-status {
  display: inline-block;
  margin-top: 10px;
  padding: 5px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
}

.project-status.active {
  background: #E5F3EA;
  color: var(--primary);
}

.project-status.inactive {
  background: #F3F4F6;
  color: var(--muted);
}

.project-actions {
  display: flex;
  gap: 8px;
  margin-top: 16px;
}

.danger-btn {
  border: 1px solid rgba(220, 38, 38, 0.25);
  background: #FFFFFF;
  color: var(--danger);
  padding: 10px 14px;
  border-radius: 10px;
  cursor: pointer;
  font-weight: 700;
}

.danger-btn:hover {
  background: #FEF2F2;
}

@media (max-width: 1024px) {
  .project-card-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 620px) {
  .section-toolbar {
    flex-direction: column;
  }

  .section-toolbar .primary-btn {
    width: 100%;
  }

  .project-card-grid {
    grid-template-columns: 1fr;
  }

  .project-actions {
    flex-direction: column;
  }

  .project-actions button {
    width: 100%;
  }
}

.modal {
  position: fixed;
  inset: 0;
  z-index: 4000;
  display: grid;
  place-items: center;
  padding: 20px;
}

.modal.hidden {
  display: none;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.55);
}

.modal-card {
  position: relative;
  width: 100%;
  max-width: 460px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 24px;
  z-index: 1;
}

.modal-card h3 {
  margin: 0 0 12px;
  font-size: 22px;
}

.modal-warning {
  margin: 0 0 16px;
  color: var(--text);
}

.delete-info-box {
  border: 1px solid #FECACA;
  background: #FEF2F2;
  border-radius: 12px;
  padding: 14px;
  margin-bottom: 16px;
}

.delete-info-box p {
  margin: 0 0 8px;
  font-weight: 700;
  color: var(--danger);
}

.delete-info-box ul {
  margin: 0;
  padding-left: 18px;
  color: var(--danger);
}

.delete-info-box li {
  margin: 4px 0;
}

.modal-danger-text {
  color: var(--danger);
  font-weight: 700;
  margin-bottom: 16px;
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 18px;
}

.danger-btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

@media (max-width: 520px) {
  .modal-card {
    padding: 20px;
  }

  .modal-actions {
    flex-direction: column-reverse;
  }

  .modal-actions button {
    width: 100%;
  }
}

.toast-container {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 5000;
  display: flex;
  flex-direction: column;
  gap: 10px;
  width: min(360px, calc(100vw - 40px));
}

.toast {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  background: #FFFFFF;
  border: 1px solid var(--border);
  border-left: 5px solid var(--primary);
  border-radius: 12px;
  padding: 14px 14px;
  color: var(--text);
  font-size: 14px;
}

.toast.success {
  border-left-color: var(--primary);
}

.toast.error {
  border-left-color: var(--danger);
}

.toast.warning {
  border-left-color: var(--warning);
}

.toast.info {
  border-left-color: var(--info);
}

.toast-message {
  line-height: 1.45;
}

.toast-close {
  border: 0;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-size: 18px;
  line-height: 1;
  padding: 0;
}

.toast-close:hover {
  color: var(--text);
}

@media (max-width: 520px) {
  .toast-container {
    top: 76px;
    right: 12px;
    left: 12px;
    width: auto;
  }
}