/**
 * MonitorExam Custom Styles
 * Overrides for DashLite Bootstrap Admin Theme
 *
 * Design Philosophy: Modern SaaS aesthetic (Stripe, Linear, Vercel)
 * - Clean, spacious, professional
 * - 8-point spacing grid
 * - Consistent typography hierarchy
 * - Accessible color contrasts
 *
 * Table of Contents:
 * 01. CSS Variables (Design Tokens)
 * 02. Global Resets & Typography
 * 03. Layout (Header, Sidebar, Content)
 * 04. Cards
 * 05. Badges & Status Indicators
 * 06. Forms & Inputs
 * 07. Tables
 * 08. Buttons
 * 09. Alerts & Notifications
 * 10. Media (Video, Images)
 * 11. Authentication Pages
 * 12. Dashboard Specifics
 * 13. Chat & Messaging
 * 14. Progressbar & Steps
 * 15. Footer
 * 16. Utilities
 * 17. Responsive Overrides
 */

/* ==========================================================================
   01. CSS Variables (Design Tokens)
   ========================================================================== */

:root {
  /* Primary palette */
  --color-primary: #6576ff;
  --color-primary-hover: #5464e6;
  --color-primary-light: rgba(101, 118, 255, 0.1);
  --color-primary-lighter: rgba(101, 118, 255, 0.05);

  /* Semantic colors */
  --color-success: #1ee0ac;
  --color-success-light: rgba(30, 224, 172, 0.1);
  --color-warning: #f4bd0e;
  --color-warning-light: rgba(244, 189, 14, 0.1);
  --color-danger: #e85347;
  --color-danger-light: rgba(232, 83, 71, 0.1);
  --color-info: #09c2de;
  --color-info-light: rgba(9, 194, 222, 0.1);

  /* Neutral palette */
  --color-base-100: #ffffff;
  --color-base-200: #f5f6fa;
  --color-base-300: #e5e9f2;
  --color-base-400: #dbdfea;
  --color-base-500: #b7c2d0;
  --color-base-600: #8094ae;
  --color-base-700: #526484;
  --color-base-800: #364a63;
  --color-base-900: #1a1f36;

  /* Typography */
  --font-family-base: "Poppins", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-size-xs: 0.6875rem;   /* 11px */
  --font-size-sm: 0.75rem;     /* 12px */
  --font-size-base: 0.875rem;  /* 14px */
  --font-size-md: 0.9375rem;   /* 15px */
  --font-size-lg: 1rem;        /* 16px */
  --font-size-xl: 1.125rem;    /* 18px */
  --font-size-2xl: 1.25rem;    /* 20px */
  --font-size-3xl: 1.5rem;     /* 24px */
  --font-size-4xl: 2rem;       /* 32px */

  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;

  --line-height-tight: 1.25;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.65;

  /* 8-point spacing scale */
  --space-0: 0;
  --space-1: 0.25rem;  /* 4px */
  --space-2: 0.5rem;   /* 8px */
  --space-3: 0.75rem;  /* 12px */
  --space-4: 1rem;     /* 16px */
  --space-5: 1.5rem;   /* 24px */
  --space-6: 2rem;     /* 32px */
  --space-7: 2.5rem;   /* 40px */
  --space-8: 3rem;     /* 48px */

  /* Border radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px;

  /* Shadows (elevation system) */
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.06), 0 2px 4px -1px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.04);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.08), 0 10px 10px -5px rgba(0, 0, 0, 0.03);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 200ms ease;
  --transition-slow: 300ms ease;

  /* Z-index scale */
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal-backdrop: 1040;
  --z-modal: 1050;
  --z-popover: 1060;
  --z-tooltip: 1070;
}


/* ==========================================================================
   02. Global Resets & Typography
   ========================================================================== */

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  font-family: var(--font-family-base);
  font-size: var(--font-size-base);
  line-height: var(--line-height-relaxed);
  color: var(--color-base-800);
  background-color: var(--color-base-200);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

p,
body,
a,
h1, h2, h3, h4, h5, h6,
span {
  letter-spacing: 0.01em;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-tight);
  color: var(--color-base-900);
}

h1 { font-size: var(--font-size-4xl); }
h2 { font-size: var(--font-size-3xl); }
h3 { font-size: var(--font-size-2xl); }
h4 { font-size: var(--font-size-xl); }
h5 { font-size: var(--font-size-lg); }
h6 { font-size: var(--font-size-base); }

/* NioIcon - ensure icons display properly */
.ni,
em.icon.ni,
span.icon.ni {
  font-family: "Nioicon" !important;
  speak: none;
  font-style: normal;
  font-weight: normal;
  font-variant: normal;
  text-transform: none;
  line-height: 1;
  display: inline-block;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.icon {
  display: inline-block;
  vertical-align: middle;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-primary-hover);
  text-decoration: none;
}

.text-soft,
.sub-text {
  color: var(--color-base-600);
  font-size: var(--font-size-sm);
}

.lead-text,
.tb-lead {
  font-weight: var(--font-weight-medium);
  color: var(--color-base-800);
}


/* ==========================================================================
   03. Layout (Header, Sidebar, Content)
   ========================================================================== */

/* Prevent horizontal overflow */
.nk-app-root {
  overflow-x: hidden;
  max-width: 100vw;
}

.nk-content {
  overflow-x: hidden;
}

.container-fluid {
  max-width: 100%;
  overflow-x: hidden;
}

/* Header - allow dropdowns to overflow */
.nk-header,
.nk-header-fixed,
.nk-header-wrap,
.nk-header-tools,
.nk-quick-nav {
  overflow: visible !important;
}

.nk-header-fixed + .nk-content {
  padding-top: var(--space-2);
}

/* Header shadow refinement */
.nk-header.is-light {
  background-color: var(--color-base-100);
  box-shadow: var(--shadow-sm);
}

/* User dropdown */
.user-dropdown.show {
  overflow: visible;
}

.user-dropdown .dropdown-menu {
  position: absolute;
  z-index: var(--z-dropdown);
  top: 100%;
  right: 0;
  margin-top: var(--space-2);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-base-300);
}

.user-dropdown.show .dropdown-menu {
  display: block;
}

/* Sidebar refinements */
.nk-aside {
  border-right: 1px solid var(--color-base-300);
}

/* Menu - left-aligned icons and text */
.nk-menu {
  padding: 0;
  margin: 0;
  list-style: none;
}

.nk-menu-link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  color: var(--color-base-700);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  text-decoration: none;
  transition: all var(--transition-fast);
}

.nk-menu-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  min-width: 24px;
  flex-shrink: 0;
  color: var(--color-base-600);
}

.nk-menu-icon .icon,
.nk-menu-icon em.icon {
  font-size: 1.25rem;
  line-height: 1;
  display: inline-block;
}

.nk-menu-text {
  flex: 1;
  text-align: left;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.nk-menu-item.active > .nk-menu-link {
  background-color: var(--color-primary-light);
  color: var(--color-primary);
  border-radius: var(--radius-md);
}

.nk-menu-item.active > .nk-menu-link .nk-menu-icon {
  color: var(--color-primary);
}

.nk-menu-link:hover {
  background-color: var(--color-base-200);
  border-radius: var(--radius-md);
  color: var(--color-base-800);
}

.nk-menu-link:hover .nk-menu-icon {
  color: var(--color-primary);
}

/* Submenu items */
.nk-menu-sub {
  padding-left: var(--space-4);
  margin: 0;
  list-style: none;
}

.nk-menu-sub .nk-menu-link {
  padding: var(--space-2) var(--space-4);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-normal);
  color: var(--color-base-600);
}

.nk-menu-sub .nk-menu-item.active > .nk-menu-link {
  color: var(--color-primary);
  background-color: transparent;
  font-weight: var(--font-weight-medium);
}

.nk-menu-sub .nk-menu-link:hover {
  color: var(--color-primary);
  background-color: transparent;
}

/* Menu heading */
.nk-menu-heading {
  padding: var(--space-4) var(--space-4) var(--space-2);
}

.nk-menu-heading .overline-title {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-base-500);
}

/* Dropdown link-list (user menu, etc.) */
.link-list {
  padding: 0;
  margin: 0;
  list-style: none;
}

.link-list li a {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-4);
  color: var(--color-base-700);
  font-size: var(--font-size-sm);
  transition: all var(--transition-fast);
}

.link-list li a:hover {
  background-color: var(--color-base-200);
  color: var(--color-primary);
}

.link-list li a .icon,
.link-list li a em.icon {
  font-size: 1.125rem;
  color: var(--color-base-500);
  width: 24px;
  min-width: 24px;
  text-align: center;
  display: inline-block;
}

.link-list li a:hover .icon {
  color: var(--color-primary);
}


/* ==========================================================================
   04. Cards
   ========================================================================== */

.card {
  background-color: var(--color-base-100);
  border: 1px solid var(--color-base-300);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xs);
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}

.card:hover {
  box-shadow: var(--shadow-md);
}

.card-bordered {
  border: 1px solid var(--color-base-300);
}

.card-inner {
  padding: var(--space-4);
}

.card-inner-group > .card-inner {
  border-bottom: 1px solid var(--color-base-300);
}

.card-inner-group > .card-inner:last-child {
  border-bottom: none;
}

/* Card title groups */
.card-title-group {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-3);
}

.card-title h6.subtitle {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-base-600);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-1);
}

.card-amount .amount {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-base-900);
  line-height: 1.2;
}

/* Student/Exam cards */
.student-card,
.exam-card {
  border: 1px solid var(--color-base-300);
  border-radius: var(--radius-lg);
  margin: var(--space-4) 0;
  overflow: hidden;
}

.student-card .card-inner,
.exam-card .card-inner {
  background: linear-gradient(180deg, var(--color-primary-lighter) 0%, var(--color-base-100) 40%);
}

.student-card .card-text,
.exam-card .card-text {
  margin-bottom: var(--space-2);
  font-size: var(--font-size-sm);
  display: flex;
}

.student-card .btn,
.exam-card .btn {
  margin-top: var(--space-4);
  width: 100%;
  text-align: center;
}

.student-card img,
.exam-card img {
  max-height: 190px;
  width: 100%;
  object-fit: cover;
}

/* Card hint icons */
.card-hint.icon {
  font-size: 1.5rem;
  opacity: 0.8;
}


/* ==========================================================================
   05. Badges & Status Indicators
   ========================================================================== */

/* Base badge styles */
.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-1) var(--space-2);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  line-height: 1;
  white-space: nowrap;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.02em;
  flex-shrink: 0;
}

/* Badge variants */
.badge-primary {
  background-color: var(--color-primary);
  color: var(--color-base-100);
}

.badge-success {
  background-color: var(--color-success);
  color: var(--color-base-100);
}

.badge-warning {
  background-color: var(--color-warning);
  color: var(--color-base-900);
}

.badge-danger {
  background-color: var(--color-danger);
  color: var(--color-base-100);
}

.badge-info {
  background-color: var(--color-info);
  color: var(--color-base-100);
}

.badge-secondary {
  background-color: var(--color-base-400);
  color: var(--color-base-700);
}

/* Dim (soft) badge variants */
.badge-dim {
  padding: var(--space-1) var(--space-2);
}

.badge-dim.badge-primary {
  background-color: var(--color-primary-light);
  color: var(--color-primary);
}

.badge-dim.badge-success {
  background-color: var(--color-success-light);
  color: #0d9f7a;
}

.badge-dim.badge-warning {
  background-color: var(--color-warning-light);
  color: #b38600;
}

.badge-dim.badge-danger {
  background-color: var(--color-danger-light);
  color: var(--color-danger);
}

.badge-dim.badge-info {
  background-color: var(--color-info-light);
  color: #0792a7;
}

/* Dot badges (status indicators) */
.badge-dot {
  padding-left: calc(var(--space-2) + 8px);
  position: relative;
  background-color: transparent;
  color: var(--color-base-700);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-normal);
  text-transform: none;
}

.badge-dot::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: currentColor;
}

.badge-dot.badge-success::before {
  background-color: var(--color-success);
}

.badge-dot.badge-secondary::before {
  background-color: var(--color-base-500);
}

/* Status dots */
.status.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
}

.status.dot-lg {
  width: 10px;
  height: 10px;
}

.dot-success {
  background-color: var(--color-success);
}

.dot-gray {
  background-color: var(--color-base-400);
}

/* Card status badge */
.card span.status {
  font-size: var(--font-size-xs);
}

/* Pulse animation for "NEW" badges */
@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.7;
  }
}


/* ==========================================================================
   06. Forms & Inputs
   ========================================================================== */

.form-control {
  height: calc(2.625rem + 2px);
  padding: var(--space-2) var(--space-4);
  font-size: var(--font-size-base);
  border: 1px solid var(--color-base-400);
  border-radius: var(--radius-md);
  background-color: var(--color-base-100);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
  outline: none;
}

.form-control:hover:not(:focus) {
  border-color: var(--color-base-500);
}

/* Select dropdowns - override DashLite opacity:0 */
.form-select,
.form-select:not(.form-control),
select.form-control {
  display: block !important;
  width: 100%;
  height: calc(2.625rem + 2px);
  border: 1px solid var(--color-base-400) !important;
  border-radius: var(--radius-md);
  padding: var(--space-2) calc(var(--space-4) + 1.5rem) var(--space-2) var(--space-4);
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  background-color: var(--color-base-100) !important;
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%23526484' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M2 5l6 6 6-6'/%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right var(--space-3) center;
  background-size: 14px 10px;
  cursor: pointer;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  color: var(--color-base-800) !important;
  font-size: var(--font-size-base);
  text-align: left;
  opacity: 1 !important;
}

.form-select:focus,
select.form-control:focus {
  border-color: var(--color-primary) !important;
  box-shadow: 0 0 0 3px var(--color-primary-light);
  outline: none;
}

.form-select:hover,
select.form-control:hover {
  border-color: var(--color-primary);
}

.form-select option,
select.form-control option {
  padding: var(--space-2);
  color: var(--color-base-800);
  background-color: var(--color-base-100);
}

/* Placeholder option */
.form-select option[value=""],
select.form-control option[value=""] {
  color: var(--color-base-500);
}

/* Form select sizes */
.form-select.form-select-sm,
select.form-control-sm {
  height: calc(2rem + 2px);
  padding: var(--space-1) calc(var(--space-3) + 1rem) var(--space-1) var(--space-3);
  font-size: var(--font-size-sm);
}

.form-select.form-control-lg,
select.form-control-lg {
  height: calc(3rem + 2px);
  padding: var(--space-3) calc(var(--space-4) + 1.5rem) var(--space-3) var(--space-4);
  font-size: var(--font-size-md);
}

/* Disabled select */
.form-select:disabled,
select.form-control:disabled {
  background-color: var(--color-base-200) !important;
  cursor: not-allowed;
  opacity: 0.7;
}

/* Validation states */
.form-select.is-invalid,
select.form-control.is-invalid,
.form-control.is-invalid {
  border-color: var(--color-danger) !important;
}

.form-select.is-valid,
select.form-control.is-valid,
.form-control.is-valid {
  border-color: var(--color-success) !important;
}

/* Form icon positioning */
.form-icon .icon,
.form-icon em.icon {
  color: var(--color-primary);
  opacity: 0.6;
  display: inline-block;
}

.form-icon-right + .form-control {
  padding-left: calc(var(--space-4) + 24px);
}

/* Form control wrap with icon */
.form-control-wrap .form-select,
.form-control-wrap select.form-control {
  padding-left: calc(var(--space-4) + 1.75rem);
}

/* Search input */
.form-control-wrap .form-icon.form-icon-right {
  right: var(--space-3);
}

/* Fix input overflow in cards */
.card .form-control-wrap input.form-control {
  width: 100%;
  box-sizing: border-box;
}

/* Passcode toggle */
.passcode-switch {
  right: var(--space-3);
}

.passcode-icon.icon-show {
  font-size: var(--font-size-base);
}

/* Label spacing */
label,
.form-label {
  display: block;
  margin-bottom: var(--space-2);
  font-weight: var(--font-weight-medium);
  color: var(--color-base-700);
  text-align: left;
}

/* Form group */
.form-group {
  text-align: left;
}

/* Select2 overrides */
.select2-container--default .select2-selection--single {
  height: calc(2.625rem + 2px);
  padding: var(--space-1) var(--space-4);
  font-size: var(--font-size-md);
  line-height: var(--line-height-normal);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-base-400);
}


/* ==========================================================================
   07. Tables
   ========================================================================== */

.table {
  width: 100%;
  margin-bottom: 0;
}

.table th {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-base-600);
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-base-300);
  background-color: var(--color-base-200);
}

.table td {
  padding: var(--space-3) var(--space-4);
  vertical-align: middle;
  border-bottom: 1px solid var(--color-base-300);
}

.table-hover tbody tr:hover {
  background-color: var(--color-base-200);
}

.table-responsive {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

/* Feature table */
tr.tb-ftr-item:nth-child(2n+2) {
  background: var(--color-base-200);
}

/* User card in table */
.table-member .tb-member-info .user-card .user-avatar {
  background: transparent;
}

/* DataTable overrides */
#myTable {
  margin-bottom: var(--space-4);
}

#myTable_length,
#myTable_filter,
#myTable_info {
  padding: var(--space-4);
  overflow: hidden;
}

#myTable_filter {
  text-align: right;
}

#myTable_filter input.form-control {
  width: 70%;
  margin-left: var(--space-3);
  height: calc(2.625rem + 2px);
}

div.dataTables_wrapper div.dataTables_filter label {
  width: 100%;
}

div.dataTables_wrapper div.dataTables_length select {
  margin: 0 var(--space-2);
  text-align: center;
  padding: var(--space-1) var(--space-3);
}

#myTable_wrapper {
  overflow: hidden;
}


/* ==========================================================================
   08. Buttons
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  line-height: var(--line-height-normal);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-base-100);
}

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

.btn-outline-primary {
  color: var(--color-primary);
  border-color: var(--color-primary);
  background-color: transparent;
}

.btn-outline-primary:hover {
  background-color: var(--color-primary);
  color: var(--color-base-100);
}

.btn-sm {
  padding: var(--space-1) var(--space-3);
  font-size: var(--font-size-sm);
}

/* Button group */
.btn-group {
  display: inline-flex;
  gap: 0;
}

.btn-group .btn {
  border-radius: 0;
}

.btn-group .btn:first-child {
  border-radius: var(--radius-md) 0 0 var(--radius-md);
}

.btn-group .btn:last-child {
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

/* Block button */
.card .btn-block {
  width: 100%;
}

/* Dropzone button fix */
.dropzone .btn.btn-primary {
  color: var(--color-base-100);
}


/* ==========================================================================
   09. Alerts & Notifications
   ========================================================================== */

.auth-animated-alert,
.auth-animated-alert-state,
.auth-animated-alert-admit-card {
  margin: var(--space-2) auto 0;
  font-size: var(--font-size-sm);
  display: none;
  white-space: break-spaces;
}


/* ==========================================================================
   10. Media (Video, Images)
   ========================================================================== */

.video-container {
  height: 240px;
  width: 320px;
  max-width: 100%;
  border: 1px solid var(--color-base-400);
  background: var(--color-base-300);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

canvas,
video {
  border: 1px solid var(--color-base-400);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

video#video1 {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

#canvas {
  display: none;
}

#startbutton {
  margin-bottom: var(--space-4);
}

/* User avatar images */
.user-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
}

/* Registration photos */
.box {
  position: relative;
  left: var(--space-1);
  width: 180px;
  height: 96px;
  top: var(--space-1);
  border-radius: var(--radius-md);
  background: var(--color-primary-lighter);
}

.regpic {
  position: relative;
  width: 60px;
  height: 60px;
  left: 24px;
  border-radius: 50%;
  object-fit: cover;
}

.livepic {
  position: relative;
  width: 60px;
  height: 60px;
  left: var(--space-2);
  border-radius: 50%;
  border: 2px solid var(--color-primary);
  object-fit: cover;
}

.status-circle {
  width: 15px;
  height: 15px;
  border-radius: 50%;
  background-color: var(--color-success);
  border: 2px solid var(--color-base-100);
  position: absolute;
  top: 48px;
  left: 60px;
}

.tick,
.cross {
  position: relative;
  width: 24px;
  height: 24px;
}

.tick {
  left: -24px;
  top: 48px;
}

.cross {
  left: -40px;
  top: 48px;
}


/* ==========================================================================
   11. Authentication Pages
   ========================================================================== */

.auth-bg {
  background: url(../../images/slides/auth-bg.jpg) center/cover no-repeat;
}

.entry-box {
  box-shadow: var(--shadow-lg);
  background: var(--color-base-100);
  border-radius: var(--radius-lg);
  text-align: center;
  padding: var(--space-8) var(--space-6);
}

.reg-form form {
  box-shadow: var(--shadow-sm);
  background: var(--color-base-100);
  border-radius: var(--radius-md);
  padding: var(--space-7);
}

.register-start {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
}

.num-heading {
  font-weight: var(--font-weight-semibold);
  color: var(--color-base-900);
  font-size: var(--font-size-md);
}

.noactive {
  display: none;
}

/* Step numbers */
.pro-num {
  font-size: var(--font-size-xl);
  border: 1px solid var(--color-base-400);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  margin-top: var(--space-2);
  display: block;
  text-align: center;
}

.active-num {
  background: var(--color-primary);
  color: var(--color-base-100);
  border-color: var(--color-primary);
}

.register-process .row {
  margin-top: var(--space-4);
  margin-bottom: var(--space-7);
}

.nk-block-area-column {
  padding-top: 110px;
}


/* ==========================================================================
   12. Dashboard Specifics
   ========================================================================== */

/* Dashboard page header */
.nk-block-head {
  margin-bottom: var(--space-4);
}

.nk-block-head-content .nk-block-title {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.nk-block-tools {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
}

/* Block gaps */
.nk-block {
  margin-bottom: var(--space-5);
}

/* Row gaps - DashLite gutter */
.row.g-gs {
  margin: calc(var(--space-3) * -1);
}

.row.g-gs > [class*="col-"] {
  padding: var(--space-3);
}

/* Student dashboard specifics */
.student-dashboard .card-text {
  font-size: var(--font-size-base);
}

.student-dashboard .exam-card img {
  max-height: 260px;
}

/* Dashboard table approve/disapprove */
.dashboard-table .approve-disapprove-images {
  display: block;
  width: 100%;
  position: absolute;
  bottom: -40px;
  left: 48px;
}

.dashboard-table .approve-disapprove-images a {
  display: inline-block;
}

.dashboard-table .approve-disapprove-images a em.icon {
  font-size: 24px;
}

.dashboard-table .approve-disapprove-images a em.icon.ni.ni-check-circle {
  color: var(--color-success);
}

.dashboard-table .approve-disapprove-images a em.icon.ni.ni-cross-circle {
  color: var(--color-danger);
}

/* Environment info */
.environment-info {
  margin-bottom: var(--space-2);
}

/* Embed page */
.embed-page {
  background-color: var(--color-base-300);
}

/* Headerbox overlay */
.headerbox {
  background: rgba(92, 97, 110, 0.7);
  box-shadow: var(--shadow-md);
  border-radius: var(--radius-xl);
}

.tagline {
  font-weight: var(--font-weight-semibold);
  text-align: center;
  color: var(--color-base-100);
}

.features {
  font-weight: var(--font-weight-semibold);
  color: #f65868;
  overflow: hidden;
}

/* Divider */
.divider {
  height: 1px;
  background: var(--color-base-300);
  margin: var(--space-4) 0;
}


/* ==========================================================================
   13. Chat & Messaging
   ========================================================================== */

#chat-bot .icon {
  display: flex;
  justify-content: center;
  align-items: center;
  cursor: pointer;
  color: var(--color-base-100);
  width: 30px;
  height: 30px;
  float: right;
  border-radius: var(--radius-lg);
  padding: var(--space-2) var(--space-4);
  transition: all var(--transition-base);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

#chat-bot .icon:hover {
  box-shadow: var(--shadow-lg);
}

#chat-bot .icon .user {
  visibility: hidden;
  margin-left: -100px;
}

#chat-bot .icon.expanded {
  width: 100%;
  justify-content: space-between;
  background-color: var(--color-primary);
}

#chat-bot .icon.expanded .user {
  visibility: visible;
  margin-left: 0;
  transition: margin var(--transition-slow);
}

#chat-bot .messenger {
  background-color: var(--color-base-100);
  border: 1px solid var(--color-base-300);
  box-shadow: var(--shadow-sm);
  padding: var(--space-2);
  margin-bottom: var(--space-2);
  border-radius: var(--radius-lg);
  overflow: visible;
  transition: height var(--transition-slow);
  width: 0;
  height: 0;
  visibility: hidden;
}

#chat-bot .messenger.expanded {
  width: 100%;
  height: auto;
  visibility: visible;
}

#chat-bot .chatroom,
#chat-bot .chat-header {
  overflow-y: visible;
  display: flex;
  flex-direction: column;
  touch-action: pan-y;
  flex-shrink: 0;
}

#chat-bot .messages-container {
  flex: 1;
  overflow-y: auto;
  min-height: 0;
  display: flex;
  flex-direction: column;
}

#chat-bot .messages-container::-webkit-scrollbar {
  width: 6px;
}

#chat-bot .messages-container::-webkit-scrollbar-track {
  background: var(--color-base-200);
  border-radius: var(--radius-sm);
}

#chat-bot .messages-container::-webkit-scrollbar-thumb {
  background: var(--color-base-400);
  border-radius: var(--radius-sm);
}

#chat-bot .messages-container::-webkit-scrollbar-thumb:hover {
  background: var(--color-base-500);
}

#chat-bot .type-area input.typing {
  width: 100%;
  outline: none;
  border: 1px solid var(--color-base-300);
  border-radius: var(--radius-md);
  padding: var(--space-2) var(--space-7) var(--space-2) var(--space-3);
  height: 40px;
  font-size: var(--font-size-sm);
}

#chat-bot .type-area {
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-xs);
  margin-top: var(--space-2);
}

#chat-bot .type-area span.send {
  position: absolute;
  right: var(--space-3);
  top: 6px;
  cursor: pointer;
  font-size: var(--font-size-xl);
}

#chat-bot .msg {
  margin-bottom: var(--space-4);
  display: flex;
  flex-direction: column;
  font-size: var(--font-size-sm);
  color: var(--color-base-600);
}

#chat-bot .msg .bubble {
  padding: var(--space-2);
  border-radius: var(--radius-md);
  background-color: var(--color-info-light);
}

#chat-bot .msg.msg-right .bubble {
  color: #0d6f55;
  background-color: var(--color-success-light);
}

#chat-bot .msg .bubble .name {
  color: var(--color-base-800);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
}

.msg.msg-left {
  align-items: flex-start;
}

.msg.msg-right {
  align-items: flex-end;
}

#chat-bot .timestamp {
  font-size: var(--font-size-sm);
  color: var(--color-base-600);
  text-align: center;
  margin-bottom: var(--space-2);
}


/* ==========================================================================
   14. Progressbar & Steps
   ========================================================================== */

.progressbar {
  counter-reset: step;
  margin-bottom: var(--space-4);
  padding: 0;
  list-style: none;
  display: flex;
  justify-content: space-between;
}

.progressbar li {
  list-style: none;
  flex: 1;
  position: relative;
  text-align: center;
}

.progressbar li::before {
  content: counter(step);
  counter-increment: step;
  width: 50px;
  height: 50px;
  line-height: 50px;
  border: 1px solid var(--color-primary);
  border-radius: 50%;
  display: block;
  text-align: center;
  margin: 0 auto var(--space-2) auto;
  background-color: var(--color-base-100);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-medium);
  color: var(--color-primary);
}

.progressbar li::after {
  content: "";
  position: absolute;
  width: 100%;
  height: 2px;
  background-color: var(--color-base-400);
  top: 25px;
  left: -50%;
  z-index: -1;
}

.progressbar li:first-child::after {
  content: none;
}

.progressbar li.active {
  color: var(--color-primary);
}

.progressbar li.active::before {
  border-color: var(--color-primary);
  background: var(--color-primary);
  color: var(--color-base-100);
}

.progressbar li.active + li::after {
  background-color: var(--color-primary);
}

/* Progress bar colors */
progress[value]::-webkit-progress-bar {
  background-color: var(--color-base-200);
}

progress[value]::-webkit-progress-value {
  background-color: var(--color-primary);
}

progress[value]::-moz-progress-bar {
  background-color: var(--color-primary);
}

/* Verification box */
.create-form-box,
.verification-box {
  padding: var(--space-7) var(--space-6) var(--space-8);
}

.verification-box .col-sm-4.active::before {
  background: var(--color-primary);
  color: var(--color-base-100);
}

/* Step cards */
.step-card .col-sm-4[class*="step-"]::before {
  content: attr(data-step);
  width: 50px;
  height: 50px;
  line-height: 50px;
  border: 1px solid var(--color-primary);
  border-radius: 50%;
  display: block;
  text-align: center;
  margin: 0 auto var(--space-5) auto;
  background-color: var(--color-base-100);
  font-size: var(--font-size-xl);
}

/* Timeline */
.timeline {
  position: relative;
  text-align: left;
}

.timeline-item {
  position: relative;
  padding-left: var(--space-6);
  text-align: left;
}

.timeline-item:not(:last-child)::before {
  content: '';
  position: absolute;
  left: 7px;
  top: 20px;
  bottom: 0;
  width: 2px;
  background: var(--color-base-300);
}

.timeline-status {
  position: absolute;
  left: 0;
  top: 4px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
}

.timeline-data {
  text-align: left;
}

.timeline-date {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  color: var(--color-base-600);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-1);
  text-align: left;
}

.timeline-title {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  color: var(--color-base-800);
  margin-bottom: var(--space-1);
  text-align: left;
}

.timeline-des {
  font-size: var(--font-size-sm);
  color: var(--color-base-600);
  margin: 0;
  text-align: left;
}


/* ==========================================================================
   15. Footer
   ========================================================================== */

.footer {
  padding: var(--space-6) 0 var(--space-5);
  background: var(--color-primary);
  color: var(--color-base-100);
  font-weight: var(--font-weight-normal);
  position: relative;
}

.footer a {
  color: var(--color-base-100);
  display: initial;
}

.footer a:hover {
  color: rgba(255, 255, 255, 0.8);
}

span.copyright {
  text-align: center;
  display: block;
}

.footer-top h5 {
  color: var(--color-base-100);
  font-weight: var(--font-weight-medium);
  margin-bottom: var(--space-5);
  position: relative;
}

.footer-top h5::before {
  content: '';
  border-bottom: 2px solid rgba(255, 255, 255, 0.34);
  width: 30px;
  position: absolute;
  bottom: calc(var(--space-2) * -1);
}

.footer-top {
  border-bottom: 1px solid rgba(255, 255, 255, 0.34);
  padding-bottom: var(--space-5);
  margin-bottom: var(--space-7);
}

.footer-social-icons .icon.ni {
  font-size: 26px;
}

.footer-top ul {
  list-style: inside;
  padding: 0;
  margin: 0;
}

.footer-top ul li {
  margin: var(--space-1) 0;
}

.footer-bottom {
  font-size: var(--font-size-md);
}


/* ==========================================================================
   16. Utilities
   ========================================================================== */

/* Gap utilities */
.gap-1 { gap: var(--space-1); }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }

/* Flexbox row with proper alignment */
.status-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-2);
}

.status-row .badge {
  flex-shrink: 0;
}

/* Text truncate */
.text-truncate {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Upload zone */
.upload-zone {
  min-height: 200px;
}

/* Dropzone error message hide */
.dz-error-message {
  display: none !important;
}

/* Pricing plans */
.plan-v2 .price-plan.card .price-plan-info ul li {
  padding: var(--space-3) 0;
  display: flex;
  width: 100%;
}

.plan-v2 .price-plan.card .price-plan-info ul li .info-check {
  margin-right: var(--space-4);
  color: var(--color-primary);
  font-weight: var(--font-weight-semibold);
  flex: 0 0 23%;
  max-width: 23%;
  text-align: center;
}

.plan-v2 .price-plan.card .price-plan-amount .amount {
  font-size: var(--font-size-4xl);
  padding: var(--space-4) 0;
}

.plan-v2 .price-plan.card span.num {
  font-size: 120px;
  font-weight: var(--font-weight-bold);
  color: var(--color-base-100);
  text-shadow: -1px 0 var(--color-base-500), 0 1px var(--color-base-500),
               1px 0 var(--color-base-500), 0 -1px var(--color-base-500);
  line-height: 1;
  position: absolute;
  top: -50px;
  right: -9px;
  z-index: 1;
}

/* Scroll styling */
.scroll1 {
  width: 100%;
  background-image: url("/header.jpg");
  background-size: cover;
}

/* Pagination */
.pagination {
  display: flex;
  gap: var(--space-1);
  margin: 0;
  padding: 0;
}

.page-item .page-link {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 32px;
  height: 32px;
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-base-300);
  color: var(--color-base-700);
  font-size: var(--font-size-sm);
  transition: all var(--transition-fast);
}

.page-item .page-link:hover {
  background-color: var(--color-base-200);
  border-color: var(--color-base-400);
}

.page-item.active .page-link {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-base-100);
}

.page-item.disabled .page-link {
  opacity: 0.5;
  cursor: not-allowed;
}


/* ==========================================================================
   17. Responsive Overrides
   ========================================================================== */

/* Tablet (768px - 992px) */
@media (min-width: 768px) and (max-width: 991.98px) {
  .nk-auth-container,
  .hiw {
    display: none;
  }

  .loginform {
    margin-top: 350px;
    margin-left: var(--space-6);
    margin-right: var(--space-6);
  }

  .loginbox {
    justify-content: center;
  }

  .headerbox {
    width: 100%;
  }
}

/* Desktop (768px+) */
@media (min-width: 768px) {
  .header li {
    float: left;
  }

  .header li a {
    padding: var(--space-5) var(--space-4);
  }

  .header .menu {
    clear: none;
    float: right;
    max-height: none;
  }

  .header .menu-icon {
    display: none;
  }

  .form-control-wrap.checkbox {
    display: flex;
  }

  .form-control-wrap.checkbox .custom-control.custom-checkbox {
    width: 20%;
  }

  .verification-box.room .step-card .card {
    min-height: 425px;
  }

  .step-card .col-sm-4.step-1::before { content: '1'; }
  .step-card .col-sm-4.step-2::before { content: '2'; }
  .step-card .col-sm-4.step-3::before { content: '3'; }

  .step-card .col-sm-4.step-2::after,
  .step-card .col-sm-4.step-3::after {
    content: "";
    position: absolute;
    width: 83%;
    height: 1px;
    background-color: var(--color-primary);
    top: 25px;
    left: -41.5%;
  }

  .student-card .card-inner {
    min-height: 485px;
  }
}

/* Large desktop (992px+) */
@media (min-width: 992px) {
  .col-lg-1 { flex: 0 0 8.33333%; max-width: 8.33333%; }
  .col-lg-2 { flex: 0 0 16.66667%; max-width: 16.66667%; }
  .col-lg-3 { flex: 0 0 25%; max-width: 25%; }
  .col-lg-4 { flex: 0 0 33.33333%; max-width: 33.33333%; }
  .col-lg-5 { flex: 0 0 41.66667%; max-width: 41.66667%; }
  .col-lg-6 { flex: 0 0 50%; max-width: 50%; }
  .col-lg-7 { flex: 0 0 58.33333%; max-width: 58.33333%; }
  .col-lg-8 { flex: 0 0 66.66667%; max-width: 66.66667%; }
  .col-lg-9 { flex: 0 0 75%; max-width: 75%; }
  .col-lg-10 { flex: 0 0 83.33333%; max-width: 83.33333%; }
  .col-lg-11 { flex: 0 0 91.66667%; max-width: 91.66667%; }
  .col-lg-12 { flex: 0 0 100%; max-width: 100%; }
}

/* Mobile (up to 767px) */
@media (max-width: 767.98px) {
  .footer .mb-col {
    text-align: center;
    margin: var(--space-2) 0;
    font-size: var(--font-size-md);
  }

  .footer-social-icons {
    padding-top: var(--space-4);
    text-align: center;
    border-top: 1px solid rgba(202, 202, 202, 0.34);
  }

  span.copyright {
    padding-top: var(--space-4);
    border-top: 1px solid rgba(202, 202, 202, 0.34);
  }

  #retake {
    margin: var(--space-2) 0;
  }

  .reg-form form {
    margin: 0 var(--space-2) var(--space-8);
    padding: var(--space-5);
  }

  .pro-num {
    display: inline-block;
    margin: var(--space-1) 0;
  }

  .register-process .row .col-lg-2 {
    width: 23%;
  }

  .register-process .row .col-lg-10 {
    width: 77%;
  }

  .entry-box {
    padding: var(--space-7) var(--space-5);
    margin: auto var(--space-2);
    width: auto;
  }

  .d-xs-none {
    display: none;
  }

  .m-mb-5 {
    margin: var(--space-6) calc(var(--space-3) * -1) 0;
    text-align: left;
  }

  .create-exam-select .form-icon {
    top: 50%;
  }

  .plan-v2 .price-plan.card span.num {
    font-size: 62px;
    top: -30px;
    right: 1px;
  }

  .mob-mt-50 {
    margin-top: var(--space-6);
  }

  th.tb-member-action.sorting,
  th.tb-member-action.sorting_asc {
    display: none;
  }

  #myTable_length,
  #myTable_filter,
  #myTable_info {
    text-align: center;
  }

  div.dataTables_wrapper div.dataTables_paginate ul.pagination {
    justify-content: center;
    margin-bottom: var(--space-4);
  }

  #chat-bot .chatroom,
  #chat-bot .chat-header {
    height: auto;
  }

  #chat-bot {
    margin-top: var(--space-5);
  }

  .progressbar li::after {
    width: 64%;
    left: -34%;
  }

  .nk-block-area-column {
    padding-top: 110px;
  }

  .dashboard-table .approve-disapprove-images {
    left: 58px;
  }

  .dashboard-table .approve-disapprove-images a em.icon {
    font-size: 20px;
  }

  /* Stack filter controls */
  .nk-block-head-content {
    width: 100%;
    margin-bottom: var(--space-3);
  }

  .nk-block-tools {
    width: 100%;
    justify-content: flex-start;
  }
}

/* Small mobile (up to 375px) */
@media (max-width: 375px) {
  .card-inner {
    padding: var(--space-3);
  }

  .btn {
    padding: var(--space-2) var(--space-3);
    font-size: var(--font-size-sm);
  }

  .nk-block-title {
    font-size: var(--font-size-lg);
  }
}


/* ==========================================================================
   Navbar (Public pages)
   ========================================================================== */

.header {
  background-color: var(--color-base-100);
  box-shadow: var(--shadow-sm);
  position: fixed;
  width: 100%;
  z-index: var(--z-fixed);
}

.header ul {
  margin: 0;
  padding: 0;
  list-style: none;
  overflow: hidden;
  background-color: var(--color-base-100);
}

.header li a {
  display: block;
  padding: var(--space-4);
  text-decoration: none;
  color: var(--color-base-800);
  transition: color var(--transition-fast);
}

.header li a:hover {
  color: var(--color-primary);
}

.header li a.header-btn {
  padding: var(--space-3) var(--space-5);
  color: var(--color-base-100);
  margin: var(--space-3) var(--space-2);
  font-weight: var(--font-weight-normal);
  border-radius: var(--radius-md);
  background-color: var(--color-primary);
}

.header li a.header-btn.login {
  color: var(--color-base-800);
  background-color: transparent;
}

.header li a.header-btn.login:hover {
  color: var(--color-base-100);
  background-color: var(--color-primary);
}

.header .logo {
  display: block;
  float: left;
  font-size: 2em;
  padding: var(--space-2) var(--space-4);
  text-decoration: none;
}

.header .menu {
  clear: both;
  max-height: 0;
  transition: max-height var(--transition-base);
}

/* Menu icon (hamburger) */
.header .menu-icon {
  cursor: pointer;
  display: inline-block;
  float: right;
  padding: var(--space-5) var(--space-6);
  position: relative;
  user-select: none;
}

.header .menu-icon .navicon {
  background: var(--color-base-800);
  display: block;
  height: 2px;
  position: relative;
  transition: background var(--transition-base);
  width: 18px;
}

.header .menu-icon .navicon::before,
.header .menu-icon .navicon::after {
  background: var(--color-base-800);
  content: '';
  display: block;
  height: 100%;
  position: absolute;
  transition: all var(--transition-base);
  width: 100%;
}

.header .menu-icon .navicon::before {
  top: 5px;
}

.header .menu-icon .navicon::after {
  top: -5px;
}

.header .menu-btn {
  display: none;
}

.header .menu-btn:checked ~ .menu {
  max-height: 400px;
}

.header .menu-btn:checked ~ .menu-icon .navicon {
  background: transparent;
}

.header .menu-btn:checked ~ .menu-icon .navicon::before {
  transform: rotate(-45deg);
  top: 0;
}

.header .menu-btn:checked ~ .menu-icon .navicon::after {
  transform: rotate(45deg);
  top: 0;
}

.header.nk-header-fixed + .nk-content {
  z-index: 0;
}