:root {
  --bg: #f3f8fb;
  --panel: #ffffff;
  --text: #17324d;
  --muted: #6d8092;
  --primary: #0b7fc3;
  --primary-dark: #06669e;
  --primary-soft: #e5f4fb;
  --border: #d9e6ee;
  --danger: #d94b4b;
  --success: #16845b;
  --shadow: 0 18px 45px rgba(32, 80, 120, 0.11);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Cairo", Tahoma, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

[hidden] {
  display: none !important;
}

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

button {
  cursor: pointer;
}

.sidebar {
  position: fixed;
  inset-block: 0;
  inset-inline-start: 0;
  width: 280px;
  padding: 24px 18px;
  background: linear-gradient(180deg, #073e68, #0c75b5);
  color: #fff;
  overflow-y: auto;
}

.brand {
  display: flex;
  gap: 12px;
  align-items: center;
  padding: 8px 8px 24px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.18);
}

.brand-logo {
  width: 64px;
  height: 64px;
  border-radius: 8px;
  object-fit: contain;
  background: #fff;
  padding: 4px;
}

.brand h1 {
  margin: 0;
  font-size: 18px;
}

.brand p {
  margin: 2px 0 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: 13px;
}

.nav {
  display: grid;
  gap: 8px;
  margin-top: 22px;
}

.nav-item {
  border: 0;
  border-radius: 8px;
  padding: 12px 14px;
  text-align: start;
  color: rgba(255, 255, 255, 0.82);
  background: transparent;
}

.nav-item:hover,
.nav-item.active {
  color: #fff;
  background: rgba(255, 255, 255, 0.15);
}

.shell {
  margin-inline-start: 280px;
  padding: 28px;
  min-height: 100vh;
}

.login-screen {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 22px;
  background: linear-gradient(135deg, #eef8fc, #ffffff);
}

.login-card {
  width: min(430px, 100%);
  display: grid;
  gap: 14px;
  padding: 28px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fff;
  box-shadow: var(--shadow);
}

.login-card img {
  width: 118px;
  height: 118px;
  object-fit: contain;
  justify-self: center;
}

.login-card h1,
.login-card p {
  margin: 0;
  text-align: center;
}

.login-card p {
  color: var(--muted);
}

.login-card label {
  display: grid;
  gap: 7px;
  color: var(--muted);
  font-weight: 700;
}

.user-chip {
  min-height: 42px;
  display: grid;
  align-content: center;
  padding: 5px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fff;
}

.user-chip strong {
  font-size: 13px;
}

.user-chip span {
  color: var(--muted);
  font-size: 12px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
}

.eyebrow {
  margin: 0 0 4px;
  color: var(--muted);
  font-size: 13px;
}

.topbar h2 {
  margin: 0;
  font-size: 28px;
}

.topbar-actions,
.toolbar,
.modal-actions,
.panel-head {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.btn,
.tab,
.link-btn,
.icon-btn {
  border: 0;
  border-radius: 8px;
  min-height: 40px;
  padding: 9px 14px;
}

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

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

.btn.ghost,
.tab {
  background: #fff;
  color: var(--primary);
  border: 1px solid var(--border);
}

.btn.danger {
  color: #fff;
  background: var(--danger);
}

.link-btn {
  color: var(--primary);
  background: transparent;
  padding-inline: 4px;
}

.icon-btn {
  width: 40px;
  padding: 0;
  background: var(--primary-soft);
  color: var(--primary);
  font-size: 24px;
}

.status-bar {
  margin-bottom: 14px;
  border-radius: 8px;
  padding: 12px 14px;
  background: var(--primary-soft);
  color: var(--primary-dark);
  border: 1px solid #bee4f6;
}

.status-bar.error {
  color: #8d2222;
  background: #ffecec;
  border-color: #ffc9c9;
}

.view {
  display: none;
}

.view.active {
  display: block;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(160px, 1fr));
  gap: 16px;
  margin-bottom: 18px;
}

.stat,
.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.stat {
  padding: 20px;
}

.stat span {
  color: var(--muted);
}

.stat strong {
  display: block;
  margin-top: 8px;
  font-size: 30px;
}

.content-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 16px;
}

.panel {
  padding: 16px;
}

.panel-head {
  justify-content: space-between;
  margin-bottom: 12px;
}

.panel h3 {
  margin: 0;
  font-size: 18px;
}

.toolbar {
  margin-bottom: 14px;
}

.input {
  min-height: 42px;
  min-width: 180px;
  border-radius: 8px;
  border: 1px solid var(--border);
  padding: 8px 12px;
  background: #fff;
  color: var(--text);
  outline: none;
}

.input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(11, 127, 195, 0.12);
}

.table-wrap {
  width: 100%;
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 760px;
}

th,
td {
  padding: 12px 10px;
  border-bottom: 1px solid var(--border);
  text-align: start;
  vertical-align: middle;
  white-space: nowrap;
}

th {
  color: var(--muted);
  background: #f7fbfd;
  font-weight: 700;
}

tr:hover td {
  background: #fbfdff;
}

.row-actions {
  display: flex;
  gap: 8px;
}

.small-btn {
  border: 1px solid var(--border);
  color: var(--primary);
  background: #fff;
  border-radius: 8px;
  padding: 6px 10px;
}

.small-btn.delete {
  color: var(--danger);
}

.badge {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  border-radius: 999px;
  padding: 2px 10px;
  font-size: 13px;
  background: var(--primary-soft);
  color: var(--primary-dark);
}

.badge.success {
  color: var(--success);
  background: #e8f8f1;
}

.badge.danger {
  color: var(--danger);
  background: #fff0f0;
}

.dues-list {
  display: grid;
  gap: 10px;
}

.due-item {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fbfdff;
}

.report-tabs .tab.active {
  color: #fff;
  background: var(--primary);
  border-color: var(--primary);
}

.report-total {
  color: var(--primary-dark);
}

.settings-panel {
  max-width: 780px;
}

.code-box {
  display: block;
  direction: ltr;
  text-align: left;
  margin-top: 10px;
  padding: 14px;
  border-radius: 8px;
  background: #eef5f9;
  overflow-x: auto;
}

.modal {
  width: min(920px, calc(100vw - 26px));
  border: 0;
  padding: 0;
  background: transparent;
}

.modal::backdrop {
  background: rgba(11, 37, 58, 0.42);
}

.modal-card {
  padding: 20px;
  border-radius: 8px;
  background: #fff;
  box-shadow: var(--shadow);
}

.modal-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.modal-head h3 {
  margin: 0;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(220px, 1fr));
  gap: 14px;
}

.field {
  display: grid;
  gap: 6px;
}

.field label {
  color: var(--muted);
  font-weight: 700;
  font-size: 14px;
}

.field.full {
  grid-column: 1 / -1;
}

.field textarea {
  min-height: 90px;
  resize: vertical;
}

.check-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(180px, 1fr));
  gap: 8px;
  max-height: 180px;
  overflow: auto;
  padding: 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
}

.check-item {
  display: flex;
  align-items: center;
  gap: 8px;
}

.modal-actions {
  justify-content: flex-start;
  margin-top: 18px;
}

@media (max-width: 980px) {
  .sidebar {
    position: sticky;
    top: 0;
    z-index: 20;
    width: auto;
    min-height: auto;
    padding: 12px;
    border-radius: 0;
  }

  .shell {
    margin-inline-start: 0;
    padding: 18px;
  }

  .brand {
    padding: 0 4px 12px;
  }

  .brand-logo {
    width: 50px;
    height: 50px;
  }

  .nav {
    display: flex;
    gap: 8px;
    overflow-x: auto;
    padding-bottom: 4px;
    margin-top: 12px;
    scrollbar-width: thin;
  }

  .nav-item {
    flex: 0 0 auto;
    min-width: 118px;
    text-align: center;
    padding: 10px 12px;
  }

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

@media (max-width: 680px) {
  body {
    background: #f6fbfe;
  }

  .sidebar {
    padding: 10px;
  }

  .brand h1 {
    font-size: 15px;
  }

  .brand p {
    font-size: 12px;
  }

  .brand-logo {
    width: 44px;
    height: 44px;
  }

  .nav-item {
    min-width: 105px;
    min-height: 38px;
    font-size: 13px;
  }

  .shell {
    padding: 12px;
  }

  .topbar {
    align-items: stretch;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 14px;
  }

  .topbar h2 {
    font-size: 22px;
  }

  .topbar-actions,
  .toolbar {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
  }

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

  .input,
  .btn,
  .tab {
    width: 100%;
    min-width: 0;
  }

  .user-chip {
    grid-column: 1 / -1;
    width: 100%;
  }

  .panel,
  .stat {
    padding: 14px;
  }

  .panel-head {
    align-items: stretch;
  }

  .panel-head h3 {
    width: 100%;
  }

  .report-tabs {
    grid-template-columns: 1fr 1fr;
  }

  .table-wrap.panel {
    padding: 0;
  }

  th,
  td {
    padding: 10px 8px;
    font-size: 13px;
  }

  table {
    min-width: 680px;
  }

  .modal {
    width: calc(100vw - 16px);
    max-height: calc(100vh - 16px);
  }

  .modal-card {
    padding: 14px;
    max-height: calc(100vh - 16px);
    overflow-y: auto;
  }

  .form-grid {
    display: grid;
  }

  .check-list {
    grid-template-columns: 1fr;
    max-height: 220px;
  }

  .login-screen {
    padding: 12px;
  }

  .login-card {
    padding: 20px;
  }

  .login-card img {
    width: 96px;
    height: 96px;
  }
}