.app-shell {
  display: flex;
  min-height: 100vh;
  background: var(--bg);
  animation: smoothPageEnter 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.sidebar {
  width: 270px;
  background: var(--surface);
  border-right: 1px solid var(--line);
  box-shadow: none;
  display: flex;
  flex-direction: column;
  padding: 26px 18px;
  flex-shrink: 0;
  position: sticky;
  top: 0;
  height: 100vh;
  z-index: 100;
  transition: background-color 0.3s ease, border-color 0.3s ease;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 28px;
  padding: 0 8px;
}

.brand b {
  font-size: 22px;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: var(--text-main);
}

.brand small {
  display: block;
  color: var(--primary-blue);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.3px;
  text-transform: uppercase;
}

.logo-mark {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  background: var(--primary-blue-soft);
  color: var(--primary-blue);
  border: 1px solid var(--line);
  display: grid;
  place-items: center;
  font-size: 20px;
  flex-shrink: 0;
  box-shadow: none;
  transition: all 0.22s ease;
}

[data-theme="dark"] .logo-mark {
  background: rgba(56, 189, 248, 0.12);
  border-color: rgba(56, 189, 248, 0.2);
}

.logo-mark.small {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  font-size: 18px;
}

nav {
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
}

/* Modern, Clean & Simple Navbar Buttons - No Complex Shadows */
.nav-btn {
  display: flex;
  align-items: center;
  gap: 13px;
  padding: 11px 16px;
  border-radius: var(--radius-sm);
  background: transparent;
  border: 1px solid transparent;
  border-left: 3.5px solid transparent;
  color: var(--text-muted);
  font-weight: 600;
  font-size: 13.5px;
  text-align: left;
  cursor: pointer;
  width: 100%;
  box-shadow: none !important;
  position: relative;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.nav-btn i {
  font-size: 18px;
  color: var(--text-light);
  transition: transform 0.2s ease, color 0.2s ease;
}

/* Simplified, Sleek Hover Effect */
.nav-btn:hover {
  background: var(--primary-blue-light);
  color: var(--primary-blue);
  transform: translateX(4px);
  border-color: transparent;
  border-left-color: rgba(37, 99, 235, 0.35);
  box-shadow: none !important;
}

.nav-btn:hover i {
  color: var(--primary-blue);
  transform: scale(1.1);
}

/* Active State: Clean Left Accent Indicator Bar + Subtle Pill Tint (No Clutter, No Inset Mud) */
.nav-btn.active {
  background: var(--primary-blue-light) !important;
  color: var(--primary-blue) !important;
  border-color: transparent !important;
  border-left: 3.5px solid var(--primary-blue) !important;
  font-weight: 800;
  box-shadow: none !important;
}

.nav-btn.active i {
  color: var(--primary-blue);
  transform: scale(1.15);
}

.emergency {
  background: var(--surface-soft);
  border: 1px solid var(--line);
  box-shadow: none;
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  margin-bottom: 16px;
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.emergency b {
  color: var(--status-red);
  font-size: 12px;
  font-weight: 800;
}

.emergency span {
  font-size: 11px;
  color: var(--text-muted);
}

.emergency strong {
  font-size: 13.5px;
  color: var(--text-main);
  margin-top: 3px;
  font-weight: 800;
}

.logout {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 11px 16px;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  color: var(--status-red);
  font-weight: 700;
  font-size: 13px;
  cursor: pointer;
  box-shadow: none;
  transition: all 0.2s ease;
}

.logout:hover {
  background: var(--status-red);
  border-color: var(--status-red);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(225, 29, 72, 0.2);
}

.logout:active {
  transform: translateY(1px) scale(0.98);
}

.main {
  flex: 1;
  padding: 30px 42px 60px;
  max-width: 1400px;
  margin: 0 auto;
  width: 100%;
}

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 28px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
}

/* Clean, Modern Search Bar - Crisp border instead of heavy inset shadow */
.search {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--surface-soft);
  border: 1.5px solid var(--line);
  border-radius: var(--radius-md);
  padding: 10px 18px;
  width: 380px;
  color: var(--text-muted);
  box-shadow: none;
  transition: all 0.2s ease;
}

.search:focus-within {
  background: var(--surface);
  border-color: var(--primary-blue);
  box-shadow: 0 0 0 3px var(--primary-blue-light);
}

.search input {
  border: none !important;
  outline: none !important;
  background: transparent !important;
  width: 100%;
  font-size: 13.5px;
  padding: 0 !important;
  box-shadow: none !important;
  color: var(--text-main) !important;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Server Status & Configuration Badge */
.server-status-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  font-size: 12px;
  font-weight: 700;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--text-muted);
  cursor: pointer;
  user-select: none;
  transition: all 0.2s ease;
}

.server-status-pill:hover {
  border-color: var(--primary-blue);
  color: var(--primary-blue);
  transform: translateY(-1px);
}

.server-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--status-orange);
  display: inline-block;
  flex-shrink: 0;
  box-shadow: 0 0 6px rgba(217, 119, 6, 0.4);
}

.server-dot.connected {
  background: var(--status-green);
  box-shadow: 0 0 8px rgba(5, 150, 105, 0.5);
}

.server-dot.error {
  background: var(--status-red);
  box-shadow: 0 0 8px rgba(225, 29, 72, 0.5);
}

.server-dot.demo {
  background: var(--status-purple);
  box-shadow: 0 0 8px rgba(124, 58, 237, 0.5);
}

/* Tactile Icon Buttons - Crisp Micro-Border */
.icon-btn, .theme-toggle-btn, .sidebar-toggle-btn, .server-config-btn {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  color: var(--text-main);
  cursor: pointer;
  position: relative;
  box-shadow: var(--shadow-raised-sm);
  font-size: 16px;
  flex-shrink: 0;
  transition: all 0.2s ease;
}

.sidebar-toggle-btn {
  display: none;
  font-size: 20px;
}

.sidebar-close-btn {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  width: 36px;
  height: 36px;
  display: none;
  place-items: center;
  color: var(--text-muted);
  cursor: pointer;
  box-shadow: var(--shadow-raised-sm);
  font-size: 15px;
  margin-left: auto;
  flex-shrink: 0;
}

.sidebar-close-btn:hover {
  color: var(--status-red);
  border-color: var(--status-red);
}

.sidebar-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(11, 17, 32, 0.55);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 1100;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

.sidebar-backdrop.show {
  opacity: 1;
  pointer-events: auto;
}

body.sidebar-locked {
  overflow: hidden;
}

.icon-btn:hover, .theme-toggle-btn:hover, .sidebar-toggle-btn:hover, .server-config-btn:hover {
  border-color: var(--primary-blue);
  color: var(--primary-blue);
  transform: translateY(-1px);
  box-shadow: var(--shadow-raised);
}

.icon-btn:active, .theme-toggle-btn:active, .sidebar-toggle-btn:active, .server-config-btn:active {
  transform: translateY(1px) scale(0.96);
  box-shadow: var(--shadow-pressed);
}

.icon-btn em {
  position: absolute;
  top: -3px;
  right: -3px;
  background: var(--primary-blue);
  color: #fff;
  font-size: 10px;
  font-weight: 800;
  border-radius: 999px;
  padding: 1px 6px;
  font-style: normal;
  box-shadow: 0 2px 6px rgba(0,0,0,0.2);
}

/* Profile Chip - Clean & Defined */
.profile {
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  position: relative;
  user-select: none;
  background: var(--surface);
  border: 1px solid var(--line);
  padding: 5px 14px 5px 7px;
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-raised-sm);
  transition: all 0.2s ease;
}

.profile:hover {
  border-color: var(--primary-blue);
  transform: translateY(-1px);
  box-shadow: var(--shadow-raised);
}

.profile .avatar, .avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--primary-blue);
  color: #fff;
  display: grid;
  place-items: center;
  font-weight: 800;
  font-size: 14px;
  box-shadow: 0 2px 8px rgba(37, 99, 235, 0.3);
}

.profile b {
  display: block;
  font-size: 13.5px;
  color: var(--text-main);
  line-height: 1.2;
}

.profile small {
  font-size: 11px;
  color: var(--primary-blue);
  font-weight: 700;
  text-transform: capitalize;
}

.user-menu {
  position: absolute;
  top: 58px;
  right: 0;
  width: 240px;
  background: var(--surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-raised-lg);
  padding: 14px;
  z-index: 1050;
  animation: menuDrop 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes menuDrop {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

.user-menu-head {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 8px 12px;
}

.user-menu-head b {
  font-size: 14px;
  display: block;
  color: var(--text-main);
}

.user-menu-head small {
  font-size: 11px;
  color: var(--primary-blue);
  font-weight: 700;
}

.user-menu-divider {
  height: 2px;
  background: var(--surface-soft);
  margin: 6px 0;
  border-radius: 2px;
}

.user-menu-item {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  border: none;
  background: transparent;
  color: var(--text-main);
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  text-align: left;
}

.user-menu-item:hover {
  background: var(--surface-soft);
  color: var(--primary-blue);
}

.user-menu-item.danger {
  color: var(--status-red);
}

.user-menu-item.danger:hover {
  background: var(--status-red-bg);
}

/* Neumorphic Toast Box */
.toast-box {
  position: fixed;
  bottom: 28px;
  right: 28px;
  background: var(--surface);
  color: var(--text-main);
  padding: 16px 24px;
  border-radius: var(--radius-pill);
  font-size: 14px;
  font-weight: 700;
  display: none;
  box-shadow: var(--shadow-raised-lg);
  z-index: 9999;
  border-left: 4px solid var(--primary-blue);
}

/* Modal Dialog (Smooth Animated Container) */
.modal-backdrop-custom {
  position: fixed;
  inset: 0;
  background: rgba(11, 17, 32, 0.65);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  display: grid;
  place-items: center;
  z-index: 1000;
  padding: 20px;
  overflow-y: auto;
  opacity: 1;
  transition: opacity 0.2s ease;
}

.modal-backdrop-custom.closing {
  opacity: 0;
  pointer-events: none;
}

.modal-box {
  background: var(--surface);
  border-radius: var(--radius-xl);
  border: var(--panel-border);
  padding: 32px;
  width: 100%;
  max-width: 580px;
  position: relative;
  box-shadow: var(--shadow-raised-lg);
  animation: modalFadeIn 0.26s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.modal-box.closing {
  animation: modalFadeOut 0.2s cubic-bezier(0.4, 0, 1, 1) forwards;
}

.modal-box .close {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: var(--surface);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-raised-sm);
  display: grid;
  place-items: center;
  font-size: 18px;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.2s ease;
}

.modal-box .close:hover {
  color: var(--status-red);
  border-color: var(--status-red);
}

.modal-box .close:active {
  transform: scale(0.95);
}

/* Top Appointments Banner (Crisp Defined Surface) */
.top-app-card {
  background: var(--surface);
  border: var(--panel-border);
  border-radius: var(--radius-lg);
  padding: 22px 26px;
  box-shadow: var(--shadow-raised);
  margin-bottom: 28px;
}

.top-app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 14px;
}

.top-app-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 15px;
  font-weight: 800;
  color: var(--primary-blue);
}

.top-app-badge {
  font-size: 12px;
  font-weight: 800;
  background: var(--surface-inset);
  color: var(--primary-blue);
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-inset);
  white-space: nowrap;
}

.top-app-details {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  align-items: center;
}

.top-app-item label {
  display: block;
  font-size: 11px;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 3px;
}

.top-app-item strong {
  font-size: 14px;
  color: var(--text-main);
  font-weight: 700;
}

.top-app-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 2px solid var(--surface-soft);
}

/* ==========================================================================
   Comprehensive Multi-Breakpoint Responsive Rules
   ========================================================================== */

/* Large Desktop Monitors (1440px - 1920px+) */
@media (min-width: 1440px) {
  .main {
    max-width: 1560px;
    padding: 34px 48px 70px;
  }
}

/* Laptops & Desktops (1200px - 1439px) */
@media (max-width: 1200px) {
  .main {
    padding: 26px 32px 60px;
  }
  .sidebar {
    width: 250px;
    padding: 24px 14px;
  }
  .search {
    width: 320px;
  }
}

/* Tablets & Small Laptops (< 992px) */
@media (max-width: 992px) {
  .app-shell {
    position: relative;
    overflow-x: hidden;
  }

  .sidebar-toggle-btn {
    display: grid;
  }

  .sidebar-close-btn {
    display: grid;
  }

  .sidebar {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: 285px;
    max-width: 86vw;
    height: 100vh;
    height: 100dvh;
    z-index: 1200;
    transform: translateX(-100%);
    box-shadow: none;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    transition: transform 0.28s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.28s cubic-bezier(0.16, 1, 0.3, 1);
  }

  .sidebar.open {
    transform: translateX(0);
    box-shadow: var(--shadow-raised-lg), 0 0 50px rgba(0, 0, 0, 0.45);
  }

  .main {
    padding: 20px 20px 60px;
    max-width: 100%;
    width: 100%;
  }

  .search {
    width: 100%;
    max-width: 320px;
  }
}

/* Tablets Portrait & Large Phones (< 768px) */
@media (max-width: 768px) {
  .main {
    padding: 16px 16px 48px;
  }

  header {
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 20px;
    padding-bottom: 14px;
  }

  .search {
    order: 3;
    width: 100%;
    max-width: 100%;
    padding: 10px 16px;
  }

  .header-actions {
    margin-left: auto;
    gap: 10px;
  }

  .profile {
    padding: 4px 12px 4px 6px;
  }

  .profile b {
    font-size: 12.5px;
    max-width: 120px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .profile small {
    display: none;
  }

  .top-app-card {
    padding: 18px 20px;
  }

  .top-app-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .top-app-actions {
    flex-direction: column;
  }

  .top-app-actions .btn {
    width: 100%;
  }

  .top-app-details {
    gap: 14px;
  }

  .modal-box {
    padding: 26px 20px;
  }
}

/* Mobile Phones (< 576px) */
@media (max-width: 576px) {
  .main {
    padding: 14px 12px 44px;
  }

  .top-app-card {
    padding: 16px 14px;
    border-radius: var(--radius-md);
  }

  .top-app-title {
    font-size: 14px;
  }

  .top-app-badge {
    font-size: 11px;
    padding: 4px 10px;
  }

  .modal-backdrop-custom {
    padding: 12px;
  }

  .modal-box {
    padding: 22px 16px;
    border-radius: var(--radius-lg);
  }

  .modal-box .close {
    top: 14px;
    right: 14px;
    width: 32px;
    height: 32px;
    font-size: 16px;
  }

  .toast-box {
    left: 14px;
    right: 14px;
    bottom: 16px;
    text-align: center;
    border-radius: var(--radius-md);
  }
}

/* Small Mobile Screens (< 380px) */
@media (max-width: 380px) {
  .main {
    padding: 10px 8px 36px;
  }

  .icon-btn, .theme-toggle-btn, .sidebar-toggle-btn {
    width: 38px;
    height: 38px;
    font-size: 15px;
  }

  .profile {
    padding: 3px 6px 3px 3px;
  }

  .profile .avatar, .avatar {
    width: 32px;
    height: 32px;
    font-size: 12px;
  }

  .profile b {
    display: none;
  }

  .profile i.bi-chevron-down {
    display: none;
  }

  .top-app-details {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }
}

/* ==========================================================================
   Server Configuration Modal & Live Demo Badge Styles
   ========================================================================== */
.server-config-dialog {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.server-config-header {
  border-bottom: 1px solid var(--line);
  padding-bottom: 12px;
}

.server-config-header h4 {
  font-size: 18px;
  font-weight: 800;
  color: var(--text-main);
  margin: 0 0 4px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.server-config-header h4 i {
  color: var(--primary-blue);
}

.server-config-header p {
  font-size: 13px;
  color: var(--text-muted);
  margin: 0;
}

.server-status-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  background: var(--surface-soft);
  border: 1px solid var(--line);
}

.server-status-card .status-indicator {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  font-weight: 700;
}

.server-input-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.server-input-group label {
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
}

.server-help-box {
  background: rgba(37, 99, 235, 0.08);
  border: 1px solid rgba(37, 99, 235, 0.2);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  font-size: 12.5px;
  color: var(--text-main);
  line-height: 1.5;
}

.server-help-box i {
  color: var(--primary-blue);
  margin-right: 6px;
}

.demo-banner {
  background: linear-gradient(135deg, rgba(124, 58, 237, 0.1) 0%, rgba(37, 99, 235, 0.1) 100%);
  border: 1px solid rgba(124, 58, 237, 0.22);
  border-radius: var(--radius-sm);
  padding: 10px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 20px;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--text-main);
  animation: smoothViewFadeIn 0.3s ease;
}

.demo-banner b {
  color: var(--status-purple);
}

.demo-badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--status-purple-bg);
  color: var(--status-purple);
  border: 1px solid var(--status-purple-border);
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}