/* ============================================================
   CEDAR EXAMS — GLOBAL DESIGN SYSTEM
   main.css  |  800+ lines
   ============================================================ */

/* ── Google Fonts ─────────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

/* ── CSS Custom Properties ────────────────────────────────── */
:root {
  /* Brand palette */
  --primary:         #16A34A;
  --primary-dark:    #15803D;
  --primary-light:   #22C55E;
  --primary-hover:   #14532D;

  /* Backgrounds */
  --bg:              #0B1A12;
  --surface:         #112218;
  --card:            #172B1E;
  --elevated:        #1D3426;

  /* Text */
  --text-primary:    #F0FDF4;
  --text-secondary:  #86EFAC;
  --text-muted:      #6EE7A0;
  --text-inverse:    #0B1A12;

  /* Borders */
  --border:          #1F4D2C;
  --border-light:    #2D6A3F;

  /* Semantic */
  --accent-gold:     #F59E0B;
  --success:         #22C55E;
  --warning:         #F59E0B;
  --danger:          #EF4444;
  --info:            #3B82F6;

  /* Dark muted versions */
  --success-bg:      #052e16;
  --warning-bg:      #1c1502;
  --danger-bg:       #1f0a0a;
  --info-bg:         #0a1628;

  /* Layout */
  --sidebar-width:   260px;
  --sidebar-collapsed: 72px;
  --navbar-height:   64px;

  /* Typography */
  --font:            'Inter', system-ui, -apple-system, sans-serif;
  --font-mono:       'JetBrains Mono', 'Fira Code', monospace;

  /* Radii */
  --radius-sm:       6px;
  --radius:          10px;
  --radius-md:       14px;
  --radius-lg:       20px;
  --radius-xl:       28px;
  --radius-full:     9999px;

  /* Shadows */
  --shadow-sm:       0 1px 3px rgba(0,0,0,.4), 0 1px 2px rgba(0,0,0,.3);
  --shadow:          0 4px 12px rgba(0,0,0,.5);
  --shadow-md:       0 8px 24px rgba(0,0,0,.55);
  --shadow-lg:       0 16px 40px rgba(0,0,0,.6);
  --shadow-glow:     0 0 0 3px rgba(22,163,74,.35);
  --shadow-glow-sm:  0 0 0 2px rgba(22,163,74,.25);

  /* Transitions */
  --transition:      .2s ease;
  --transition-slow: .35s ease;

  /* Z-index ladder */
  --z-base:          1;
  --z-dropdown:      100;
  --z-sidebar:       1000;
  --z-navbar:        999;
  --z-modal:         1100;
  --z-toast:         1200;
  --z-tooltip:       1300;
}

/* ── CSS Reset ────────────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font);
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img, svg, video {
  display: block;
  max-width: 100%;
}

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

ul, ol { list-style: none; }

button, input, textarea, select {
  font-family: inherit;
  font-size: inherit;
}

button { cursor: pointer; border: none; background: none; }

hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 1.5rem 0;
}

/* ── Custom Scrollbar ─────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--surface); }
::-webkit-scrollbar-thumb {
  background: var(--border-light);
  border-radius: var(--radius-full);
}
::-webkit-scrollbar-thumb:hover { background: var(--primary); }

/* ── Typography Scale ─────────────────────────────────────── */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.25;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(1.75rem, 4vw, 2.5rem); }
h2 { font-size: clamp(1.375rem, 3vw, 2rem); }
h3 { font-size: clamp(1.125rem, 2.5vw, 1.5rem); }
h4 { font-size: clamp(1rem, 2vw, 1.25rem); }
h5 { font-size: 1.0625rem; }
h6 { font-size: 0.9375rem; }

p { margin-bottom: 1rem; color: var(--text-secondary); }
p:last-child { margin-bottom: 0; }

small { font-size: 0.8125rem; color: var(--text-muted); }
.caption { font-size: 0.75rem; color: var(--text-muted); letter-spacing: .02em; }
.lead { font-size: 1.125rem; font-weight: 400; color: var(--text-secondary); }

strong, b { font-weight: 600; color: var(--text-primary); }
em, i { font-style: italic; }
code {
  font-family: var(--font-mono);
  font-size: 0.875em;
  background: var(--elevated);
  color: var(--primary-light);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}

/* ── Layout Utilities ─────────────────────────────────────── */
.container {
  width: 100%;
  max-width: 1280px;
  margin-inline: auto;
  padding-inline: 1rem;
}
@media (min-width: 576px)  { .container { padding-inline: 1.25rem; } }
@media (min-width: 768px)  { .container { padding-inline: 1.5rem; } }
@media (min-width: 1200px) { .container { padding-inline: 2rem; } }

.container-fluid { width: 100%; padding-inline: 1.25rem; }

.row {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

/* Grid columns */
[class*="col-"] { flex: 1 1 100%; min-width: 0; }
.col-auto { flex: 0 0 auto; }
.col-1  { flex: 0 0 calc(8.333% - 1rem); }
.col-2  { flex: 0 0 calc(16.666% - 1rem); }
.col-3  { flex: 0 0 calc(25% - 1rem); }
.col-4  { flex: 0 0 calc(33.333% - 1rem); }
.col-5  { flex: 0 0 calc(41.666% - 1rem); }
.col-6  { flex: 0 0 calc(50% - 1rem); }
.col-7  { flex: 0 0 calc(58.333% - 1rem); }
.col-8  { flex: 0 0 calc(66.666% - 1rem); }
.col-9  { flex: 0 0 calc(75% - 1rem); }
.col-10 { flex: 0 0 calc(83.333% - 1rem); }
.col-11 { flex: 0 0 calc(91.666% - 1rem); }
.col-12 { flex: 0 0 100%; }

@media (min-width: 576px) {
  .col-sm-6  { flex: 0 0 calc(50% - .5rem); }
  .col-sm-12 { flex: 0 0 100%; }
}
@media (min-width: 768px) {
  .col-md-3  { flex: 0 0 calc(25% - .75rem); }
  .col-md-4  { flex: 0 0 calc(33.333% - .75rem); }
  .col-md-6  { flex: 0 0 calc(50% - .5rem); }
  .col-md-8  { flex: 0 0 calc(66.666% - .75rem); }
  .col-md-12 { flex: 0 0 100%; }
}
@media (min-width: 992px) {
  .col-lg-3  { flex: 0 0 calc(25% - .75rem); }
  .col-lg-4  { flex: 0 0 calc(33.333% - .75rem); }
  .col-lg-6  { flex: 0 0 calc(50% - .5rem); }
  .col-lg-8  { flex: 0 0 calc(66.666% - .75rem); }
  .col-lg-9  { flex: 0 0 calc(75% - .75rem); }
}
@media (min-width: 1200px) {
  .col-xl-3  { flex: 0 0 calc(25% - .75rem); }
  .col-xl-4  { flex: 0 0 calc(33.333% - .75rem); }
  .col-xl-6  { flex: 0 0 calc(50% - .5rem); }
}

/* ── Flexbox Utilities ────────────────────────────────────── */
.d-flex        { display: flex; }
.d-inline-flex { display: inline-flex; }
.d-grid        { display: grid; }
.d-block       { display: block; }
.d-inline      { display: inline; }
.d-none        { display: none !important; }

.flex-row     { flex-direction: row; }
.flex-column  { flex-direction: column; }
.flex-wrap    { flex-wrap: wrap; }
.flex-nowrap  { flex-wrap: nowrap; }
.flex-1       { flex: 1; }
.flex-shrink-0{ flex-shrink: 0; }

.align-items-start    { align-items: flex-start; }
.align-items-center   { align-items: center; }
.align-items-end      { align-items: flex-end; }
.align-items-stretch  { align-items: stretch; }

.justify-content-start   { justify-content: flex-start; }
.justify-content-center  { justify-content: center; }
.justify-content-end     { justify-content: flex-end; }
.justify-content-between { justify-content: space-between; }
.justify-content-around  { justify-content: space-around; }

.gap-1 { gap: .25rem; }
.gap-2 { gap: .5rem; }
.gap-3 { gap: .75rem; }
.gap-4 { gap: 1rem; }
.gap-5 { gap: 1.5rem; }
.gap-6 { gap: 2rem; }

/* ── Spacing Utilities ────────────────────────────────────── */
.m-0  { margin: 0; }
.m-1  { margin: .25rem; }
.m-2  { margin: .5rem; }
.m-3  { margin: .75rem; }
.m-4  { margin: 1rem; }
.m-5  { margin: 1.5rem; }
.m-6  { margin: 2rem; }
.m-auto { margin: auto; }

.mt-0 { margin-top: 0; }    .mt-1 { margin-top: .25rem; }  .mt-2 { margin-top: .5rem; }
.mt-3 { margin-top: .75rem; } .mt-4 { margin-top: 1rem; }  .mt-5 { margin-top: 1.5rem; }
.mt-6 { margin-top: 2rem; }   .mt-auto { margin-top: auto; }

.mb-0 { margin-bottom: 0; }   .mb-1 { margin-bottom: .25rem; } .mb-2 { margin-bottom: .5rem; }
.mb-3 { margin-bottom: .75rem; } .mb-4 { margin-bottom: 1rem; } .mb-5 { margin-bottom: 1.5rem; }
.mb-6 { margin-bottom: 2rem; }

.ms-0 { margin-left: 0; }     .ms-1 { margin-left: .25rem; }  .ms-2 { margin-left: .5rem; }
.ms-3 { margin-left: .75rem; } .ms-4 { margin-left: 1rem; }   .ms-auto { margin-left: auto; }

.me-0 { margin-right: 0; }    .me-1 { margin-right: .25rem; } .me-2 { margin-right: .5rem; }
.me-3 { margin-right: .75rem; } .me-4 { margin-right: 1rem; } .me-auto { margin-right: auto; }

.p-0  { padding: 0; }    .p-1 { padding: .25rem; }    .p-2 { padding: .5rem; }
.p-3  { padding: .75rem; } .p-4 { padding: 1rem; }    .p-5 { padding: 1.5rem; }
.p-6  { padding: 2rem; }

.pt-0 { padding-top: 0; }     .pt-1 { padding-top: .25rem; }  .pt-2 { padding-top: .5rem; }
.pt-3 { padding-top: .75rem; } .pt-4 { padding-top: 1rem; }   .pt-5 { padding-top: 1.5rem; }

.pb-0 { padding-bottom: 0; }   .pb-1 { padding-bottom: .25rem; } .pb-2 { padding-bottom: .5rem; }
.pb-3 { padding-bottom: .75rem; } .pb-4 { padding-bottom: 1rem; } .pb-5 { padding-bottom: 1.5rem; }

.px-1 { padding-inline: .25rem; } .px-2 { padding-inline: .5rem; }
.px-3 { padding-inline: .75rem; } .px-4 { padding-inline: 1rem; }
.px-5 { padding-inline: 1.5rem; } .px-6 { padding-inline: 2rem; }

.py-1 { padding-block: .25rem; }  .py-2 { padding-block: .5rem; }
.py-3 { padding-block: .75rem; }  .py-4 { padding-block: 1rem; }
.py-5 { padding-block: 1.5rem; }  .py-6 { padding-block: 2rem; }

/* ── Color Utilities ──────────────────────────────────────── */
.text-primary-color { color: var(--primary); }
.text-primary       { color: var(--text-primary); }
.text-secondary     { color: var(--text-secondary); }
.text-muted         { color: var(--text-muted); }
.text-success       { color: var(--success); }
.text-warning       { color: var(--warning); }
.text-danger        { color: var(--danger); }
.text-info          { color: var(--info); }
.text-gold          { color: var(--accent-gold); }

.text-center  { text-align: center; }
.text-left    { text-align: left; }
.text-right   { text-align: right; }
.text-nowrap  { white-space: nowrap; }
.text-truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.text-uppercase { text-transform: uppercase; letter-spacing: .06em; font-size: .75em; }

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

.bg-bg       { background: var(--bg); }
.bg-surface  { background: var(--surface); }
.bg-card     { background: var(--card); }
.bg-elevated { background: var(--elevated); }
.bg-primary  { background: var(--primary); }
.bg-success  { background: var(--success-bg); }
.bg-danger   { background: var(--danger-bg); }
.bg-warning  { background: var(--warning-bg); }

.w-full  { width: 100%; }
.w-auto  { width: auto; }
.h-full  { height: 100%; }
.min-h-screen { min-height: 100vh; }

.rounded     { border-radius: var(--radius); }
.rounded-sm  { border-radius: var(--radius-sm); }
.rounded-lg  { border-radius: var(--radius-lg); }
.rounded-full{ border-radius: var(--radius-full); }

.overflow-hidden { overflow: hidden; }
.overflow-auto   { overflow: auto; }
.position-relative { position: relative; }
.position-absolute { position: absolute; }

/* ── Button Component ─────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  padding: .5625rem 1.25rem;
  font-family: var(--font);
  font-size: .9375rem;
  font-weight: 600;
  line-height: 1.5;
  border-radius: var(--radius);
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  user-select: none;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0);
  transition: background var(--transition);
  border-radius: inherit;
}
.btn:hover::after { background: rgba(255,255,255,.06); }
.btn:active::after { background: rgba(0,0,0,.12); }

.btn:disabled, .btn[disabled] {
  opacity: .45;
  cursor: not-allowed;
  pointer-events: none;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
  box-shadow: 0 2px 8px rgba(22,163,74,.3);
}
.btn-primary:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(22,163,74,.4);
}
.btn-primary:active { transform: translateY(0); }

.btn-secondary {
  background: var(--elevated);
  color: var(--text-primary);
  border-color: var(--border-light);
}
.btn-secondary:hover {
  background: var(--border);
  border-color: var(--primary);
  transform: translateY(-1px);
}

.btn-danger {
  background: var(--danger);
  color: #fff;
  border-color: var(--danger);
  box-shadow: 0 2px 8px rgba(239,68,68,.3);
}
.btn-danger:hover {
  background: #dc2626;
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(239,68,68,.4);
}

.btn-warning {
  background: var(--warning);
  color: var(--text-inverse);
  border-color: var(--warning);
}
.btn-warning:hover {
  background: #d97706;
  transform: translateY(-1px);
}

.btn-info {
  background: var(--info);
  color: #fff;
  border-color: var(--info);
}
.btn-info:hover { background: #2563eb; transform: translateY(-1px); }

.btn-outline {
  background: transparent;
  color: var(--primary-light);
  border-color: var(--primary);
}
.btn-outline:hover {
  background: rgba(22,163,74,.12);
  color: var(--text-primary);
  transform: translateY(-1px);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border-color: transparent;
}
.btn-ghost:hover { background: var(--elevated); color: var(--text-primary); }

.btn-sm {
  padding: .375rem .875rem;
  font-size: .8125rem;
  border-radius: var(--radius-sm);
}

.btn-lg {
  padding: .75rem 1.75rem;
  font-size: 1.0625rem;
  border-radius: var(--radius-md);
}

.btn-icon {
  padding: .5625rem;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: var(--radius);
}
.btn-icon.btn-sm { width: 2rem; height: 2rem; padding: .375rem; }
.btn-icon.btn-lg { width: 3rem; height: 3rem; padding: .75rem; }

/* Loading state */
.btn-loading {
  pointer-events: none;
  opacity: .8;
}
.btn-loading .btn-text { opacity: 0; }
.btn-loading::before {
  content: '';
  position: absolute;
  width: 1.125rem;
  height: 1.125rem;
  border: 2px solid rgba(255,255,255,.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin .7s linear infinite;
}

/* ── Card Component ───────────────────────────────────────── */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: all var(--transition-slow);
}

.card-hover:hover {
  transform: translateY(-3px);
  border-color: var(--border-light);
  box-shadow: var(--shadow-md), 0 0 0 1px rgba(22,163,74,.15);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border);
  background: var(--elevated);
}

.card-header h5, .card-header h6 {
  margin: 0;
  font-weight: 600;
}

.card-body { padding: 1.25rem; }
.card-body-lg { padding: 1.75rem; }
.card-body-sm { padding: .75rem 1rem; }

.card-footer {
  padding: .875rem 1.25rem;
  border-top: 1px solid var(--border);
  background: var(--elevated);
  display: flex;
  align-items: center;
  gap: .75rem;
}

/* ── Form Components ──────────────────────────────────────── */
.form-group { margin-bottom: 1.25rem; }

.form-label {
  display: block;
  font-size: .875rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: .5rem;
  user-select: none;
}
.form-label.required::after {
  content: ' *';
  color: var(--danger);
}

.form-control, .form-select {
  display: block;
  width: 100%;
  padding: .625rem 1rem;
  font-family: var(--font);
  font-size: .9375rem;
  line-height: 1.5;
  color: var(--text-primary);
  background: var(--elevated);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  transition: all var(--transition);
  appearance: none;
  -webkit-appearance: none;
  outline: none;
}

.form-control::placeholder { color: var(--text-muted); opacity: 1; }

.form-control:focus, .form-select:focus {
  border-color: var(--primary);
  background: var(--card);
  box-shadow: var(--shadow-glow);
}

.form-control:disabled, .form-select:disabled {
  opacity: .5;
  cursor: not-allowed;
  background: var(--surface);
}

.form-control.is-invalid { border-color: var(--danger); box-shadow: 0 0 0 3px rgba(239,68,68,.2); }
.form-control.is-valid   { border-color: var(--success); box-shadow: 0 0 0 3px rgba(34,197,94,.2); }

.invalid-feedback { display: block; font-size: .8125rem; color: var(--danger); margin-top: .35rem; }
.valid-feedback   { display: block; font-size: .8125rem; color: var(--success); margin-top: .35rem; }

.form-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%2386EFAC' d='M1 1l5 5 5-5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
  cursor: pointer;
}

textarea.form-control {
  resize: vertical;
  min-height: 110px;
}

.form-text {
  font-size: .8125rem;
  color: var(--text-muted);
  margin-top: .35rem;
}

/* Checkbox & Radio */
.form-check {
  display: flex;
  align-items: center;
  gap: .625rem;
  cursor: pointer;
  padding: .25rem 0;
}

.form-check-input {
  width: 1.125rem;
  height: 1.125rem;
  border: 1.5px solid var(--border-light);
  border-radius: var(--radius-sm);
  background: var(--elevated);
  appearance: none;
  -webkit-appearance: none;
  cursor: pointer;
  flex-shrink: 0;
  transition: all var(--transition);
  position: relative;
}
.form-check-input[type="radio"] { border-radius: 50%; }

.form-check-input:checked {
  background: var(--primary);
  border-color: var(--primary);
}
.form-check-input:checked::after {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath fill='%23fff' d='M6 10.8L3 7.8l-1 1L6 13 14 5l-1-1z'/%3E%3C/svg%3E") center/12px no-repeat;
}
.form-check-input[type="radio"]:checked::after {
  background: none;
  margin: 3px;
  border-radius: 50%;
  background-color: #fff;
}

.form-check-label { font-size: .9375rem; color: var(--text-secondary); }

/* Switch */
.form-switch {
  display: flex;
  align-items: center;
  gap: .75rem;
  cursor: pointer;
}

.switch-track {
  width: 2.75rem;
  height: 1.5rem;
  background: var(--elevated);
  border: 1.5px solid var(--border-light);
  border-radius: var(--radius-full);
  position: relative;
  transition: all var(--transition);
  flex-shrink: 0;
}

.switch-track::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 1rem;
  height: 1rem;
  background: var(--text-muted);
  border-radius: 50%;
  transition: all var(--transition);
}

.form-switch input:checked + .switch-track {
  background: var(--primary);
  border-color: var(--primary);
}
.form-switch input:checked + .switch-track::after {
  left: calc(100% - 1.125rem);
  background: #fff;
}
.form-switch input { display: none; }

/* ── Badge Component ──────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  padding: .2rem .65rem;
  font-size: .75rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  letter-spacing: .03em;
  text-transform: uppercase;
  white-space: nowrap;
}

.badge-primary { background: rgba(22,163,74,.18); color: var(--primary-light); border: 1px solid rgba(22,163,74,.3); }
.badge-success { background: rgba(34,197,94,.15); color: #4ade80; border: 1px solid rgba(34,197,94,.3); }
.badge-warning { background: rgba(245,158,11,.15); color: #fbbf24; border: 1px solid rgba(245,158,11,.3); }
.badge-danger  { background: rgba(239,68,68,.15);  color: #f87171; border: 1px solid rgba(239,68,68,.3); }
.badge-info    { background: rgba(59,130,246,.15); color: #60a5fa; border: 1px solid rgba(59,130,246,.3); }
.badge-muted   { background: var(--elevated); color: var(--text-muted); border: 1px solid var(--border); }

/* ── Table Component ──────────────────────────────────────── */
.table-responsive { overflow-x: auto; -webkit-overflow-scrolling: touch; }

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: .9rem;
}

.table thead th {
  padding: .875rem 1rem;
  text-align: left;
  font-size: .75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--text-muted);
  background: var(--elevated);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

.table tbody td {
  padding: .875rem 1rem;
  border-bottom: 1px solid rgba(31,77,44,.5);
  color: var(--text-secondary);
  vertical-align: middle;
}

.table tbody tr:last-child td { border-bottom: none; }

.table-hover tbody tr {
  transition: background var(--transition);
}
.table-hover tbody tr:hover {
  background: rgba(22,163,74,.06);
}

.table tbody tr.selected td { background: rgba(22,163,74,.1); }

/* ── Alert Component ──────────────────────────────────────── */
.alert {
  display: flex;
  align-items: flex-start;
  gap: .875rem;
  padding: 1rem 1.25rem;
  border-radius: var(--radius);
  border: 1px solid transparent;
  font-size: .9rem;
  animation: fadeIn .25s ease;
}

.alert-icon { font-size: 1.25rem; flex-shrink: 0; margin-top: .1rem; }
.alert-body { flex: 1; }
.alert-title { font-weight: 600; margin-bottom: .25rem; }
.alert-close { background: none; border: none; cursor: pointer; opacity: .6; padding: 0; margin-left: auto; font-size: 1.1rem; }
.alert-close:hover { opacity: 1; }

.alert-success {
  background: var(--success-bg);
  border-color: rgba(34,197,94,.3);
  color: #4ade80;
}
.alert-danger {
  background: var(--danger-bg);
  border-color: rgba(239,68,68,.3);
  color: #f87171;
}
.alert-warning {
  background: var(--warning-bg);
  border-color: rgba(245,158,11,.3);
  color: #fbbf24;
}
.alert-info {
  background: var(--info-bg);
  border-color: rgba(59,130,246,.3);
  color: #60a5fa;
}

/* ── Modal Component ──────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.7);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  z-index: var(--z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-slow);
}

.modal-overlay.open {
  opacity: 1;
  visibility: visible;
}

.modal {
  background: var(--card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 520px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  transform: scale(.94) translateY(16px);
  transition: transform var(--transition-slow);
  overflow: hidden;
}

.modal-overlay.open .modal {
  transform: scale(1) translateY(0);
}

.modal-sm { max-width: 360px; }
.modal-lg { max-width: 720px; }
.modal-xl { max-width: 960px; }

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.modal-title { font-size: 1.125rem; font-weight: 700; margin: 0; }

.modal-close {
  width: 2rem;
  height: 2rem;
  border-radius: var(--radius);
  background: var(--elevated);
  border: 1px solid var(--border);
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition);
  font-size: 1.2rem;
  flex-shrink: 0;
}
.modal-close:hover { background: var(--danger-bg); color: var(--danger); border-color: var(--danger); }

.modal-body {
  padding: 1.5rem;
  overflow-y: auto;
  flex: 1;
}

.modal-footer {
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: .75rem;
  flex-shrink: 0;
}

/* ── Toast Notification ───────────────────────────────────── */
.toast-container {
  position: fixed;
  top: 1.25rem;
  right: 1.25rem;
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  gap: .625rem;
  max-width: 360px;
  width: calc(100vw - 2.5rem);
  pointer-events: none;
}

.toast {
  display: flex;
  align-items: flex-start;
  gap: .875rem;
  padding: .875rem 1.125rem;
  background: var(--elevated);
  border: 1px solid var(--border-light);
  border-left: 3px solid var(--primary);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  animation: slideInRight .3s cubic-bezier(.4,0,.2,1) forwards;
  pointer-events: all;
  position: relative;
  overflow: hidden;
}

.toast.hiding {
  animation: slideOutRight .25s ease forwards;
}

.toast-icon { font-size: 1.25rem; flex-shrink: 0; }
.toast-body { flex: 1; min-width: 0; }
.toast-title { font-weight: 600; font-size: .875rem; color: var(--text-primary); }
.toast-message { font-size: .8125rem; color: var(--text-muted); margin-top: .15rem; }
.toast-close {
  background: none; border: none; cursor: pointer;
  color: var(--text-muted); font-size: 1rem; padding: 0;
  flex-shrink: 0; opacity: .7;
}
.toast-close:hover { opacity: 1; }

.toast-progress {
  position: absolute;
  bottom: 0; left: 0;
  height: 3px;
  background: currentColor;
  opacity: .4;
  border-radius: 0 0 0 var(--radius);
  animation: toastProgress linear forwards;
}

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

/* ── Progress Bar ─────────────────────────────────────────── */
.progress {
  width: 100%;
  height: .625rem;
  background: var(--elevated);
  border-radius: var(--radius-full);
  overflow: hidden;
  border: 1px solid var(--border);
}

.progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--primary), var(--primary-light));
  border-radius: var(--radius-full);
  transition: width .4s ease;
  position: relative;
  overflow: hidden;
}

.progress-bar::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.2), transparent);
  animation: shimmer 2s infinite;
}

.progress-bar.danger { background: linear-gradient(90deg, var(--danger), #f87171); }
.progress-bar.warning { background: linear-gradient(90deg, var(--warning), #fbbf24); }

.progress-sm { height: .375rem; }
.progress-lg { height: 1rem; }

/* ── KPI Card ─────────────────────────────────────────────── */
.kpi-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  transition: all var(--transition-slow);
  overflow: hidden;
  position: relative;
}

.kpi-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--primary-light));
  transform: scaleX(0);
  transition: transform var(--transition-slow);
  transform-origin: left;
}
.kpi-card:hover::before { transform: scaleX(1); }
.kpi-card:hover { transform: translateY(-2px); border-color: var(--border-light); box-shadow: var(--shadow-md); }

.kpi-icon {
  width: 3rem;
  height: 3rem;
  border-radius: var(--radius);
  background: rgba(22,163,74,.15);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--primary-light);
  flex-shrink: 0;
  border: 1px solid rgba(22,163,74,.2);
}

.kpi-content { flex: 1; min-width: 0; }
.kpi-label {
  font-size: .8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--text-muted);
  margin-bottom: .35rem;
}

.kpi-value {
  font-size: 2rem;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1;
  margin-bottom: .5rem;
  letter-spacing: -0.03em;
}

.kpi-trend {
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  font-size: .8125rem;
  font-weight: 600;
  padding: .2rem .6rem;
  border-radius: var(--radius-full);
}

.kpi-trend .trend-icon { font-size: .9rem; }

.trend-up   { background: rgba(34,197,94,.12); color: var(--success); }
.trend-down { background: rgba(239,68,68,.12); color: var(--danger); }
.trend-flat { background: var(--elevated); color: var(--text-muted); }

/* ── Avatar ───────────────────────────────────────────────── */
.avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  font-weight: 700;
  text-transform: uppercase;
  flex-shrink: 0;
  overflow: hidden;
  border: 2px solid var(--border-light);
}

.avatar img { width: 100%; height: 100%; object-fit: cover; }

.avatar-sm  { width: 2rem;   height: 2rem;   font-size: .7rem; }
.avatar-md  { width: 2.5rem; height: 2.5rem; font-size: .875rem; }
.avatar     { width: 2.25rem; height: 2.25rem; font-size: .8rem; }
.avatar-lg  { width: 3.5rem; height: 3.5rem;  font-size: 1.2rem; }
.avatar-xl  { width: 5rem;   height: 5rem;    font-size: 1.75rem; }

/* ── Pill / Tag ───────────────────────────────────────────── */
.pill {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  padding: .3rem .875rem;
  background: var(--elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  font-size: .875rem;
  color: var(--text-secondary);
  font-weight: 500;
  transition: all var(--transition);
}
.pill:hover { border-color: var(--primary); color: var(--primary-light); }
.pill.active { background: rgba(22,163,74,.15); border-color: var(--primary); color: var(--primary-light); }
.pill-sm { padding: .2rem .625rem; font-size: .75rem; }

/* ── Divider ──────────────────────────────────────────────── */
.divider {
  display: flex;
  align-items: center;
  gap: 1rem;
  color: var(--text-muted);
  font-size: .8125rem;
  margin: 1.5rem 0;
}
.divider::before, .divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}
.divider-text { white-space: nowrap; }

/* ── Empty State ──────────────────────────────────────────── */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 3rem 1.5rem;
  text-align: center;
}

.empty-state-icon {
  font-size: 3.5rem;
  color: var(--border-light);
  margin-bottom: 1.25rem;
  animation: pulse 3s ease-in-out infinite;
}

.empty-state-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: .5rem;
}

.empty-state-desc {
  font-size: .9rem;
  color: var(--text-muted);
  max-width: 340px;
  margin-bottom: 1.5rem;
}

/* ── Spinner ──────────────────────────────────────────────── */
.spinner {
  display: inline-block;
  width: 1.75rem;
  height: 1.75rem;
  border: 2.5px solid rgba(22,163,74,.2);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin .75s linear infinite;
}
.spinner-sm { width: 1.125rem; height: 1.125rem; border-width: 2px; }
.spinner-lg { width: 2.75rem; height: 2.75rem; border-width: 3px; }

/* Loading overlay */
.loading-overlay {
  position: absolute;
  inset: 0;
  background: rgba(11,26,18,.8);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
  border-radius: inherit;
  backdrop-filter: blur(4px);
}

/* ── Skeleton Loader ──────────────────────────────────────── */
.skeleton {
  background: linear-gradient(90deg, var(--elevated) 25%, var(--border) 50%, var(--elevated) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius);
}

.skeleton-text {
  height: .875rem;
  margin-bottom: .5rem;
  border-radius: var(--radius-sm);
}
.skeleton-text:last-child { width: 70%; }

.skeleton-circle { border-radius: 50%; }

.skeleton-title { height: 1.5rem; width: 60%; margin-bottom: 1rem; }

/* ── Scroll To Top ────────────────────────────────────────── */
.scroll-top-btn {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  cursor: pointer;
  opacity: 0;
  transform: translateY(12px);
  transition: all var(--transition);
  z-index: 900;
  border: none;
  font-size: 1.2rem;
}
.scroll-top-btn.visible { opacity: 1; transform: translateY(0); }
.scroll-top-btn:hover { background: var(--primary-dark); transform: translateY(-2px); }

/* ── Tooltip ──────────────────────────────────────────────── */
[data-tooltip] { position: relative; }
[data-tooltip]::before {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%) translateY(4px);
  background: var(--elevated);
  border: 1px solid var(--border-light);
  color: var(--text-primary);
  font-size: .75rem;
  font-weight: 500;
  padding: .35rem .75rem;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  box-shadow: var(--shadow);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition);
  pointer-events: none;
  z-index: var(--z-tooltip);
}
[data-tooltip]:hover::before {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

/* ── Dropdown ─────────────────────────────────────────────── */
.dropdown { position: relative; }

.dropdown-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  background: var(--elevated);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  min-width: 200px;
  z-index: var(--z-dropdown);
  padding: .375rem 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: all var(--transition);
  overflow: hidden;
}

.dropdown-menu.open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-item {
  display: flex;
  align-items: center;
  gap: .75rem;
  padding: .625rem 1rem;
  font-size: .9rem;
  color: var(--text-secondary);
  transition: all var(--transition);
  cursor: pointer;
}
.dropdown-item:hover {
  background: rgba(22,163,74,.1);
  color: var(--text-primary);
}
.dropdown-item.danger:hover { background: var(--danger-bg); color: var(--danger); }

.dropdown-divider {
  height: 1px;
  background: var(--border);
  margin: .375rem 0;
}

/* ── Tabs ─────────────────────────────────────────────────── */
.tabs {
  display: flex;
  gap: .25rem;
  border-bottom: 2px solid var(--border);
  margin-bottom: 1.5rem;
  overflow-x: auto;
}

.tab-item {
  padding: .75rem 1.25rem;
  font-size: .9rem;
  font-weight: 500;
  color: var(--text-muted);
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--transition);
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
}
.tab-item:hover { color: var(--text-secondary); }
.tab-item.active {
  color: var(--primary-light);
  border-bottom-color: var(--primary);
  background: rgba(22,163,74,.08);
}

.tab-content { display: none; animation: fadeIn .2s ease; }
.tab-content.active { display: block; }

/* ── Page Transition ──────────────────────────────────────── */
.page-enter {
  animation: pageEnter .4s cubic-bezier(.4,0,.2,1) forwards;
}

/* ── Responsive Utilities ─────────────────────────────────── */
@media (max-width: 575.98px) {
  .d-none-xs   { display: none !important; }
  .d-block-xs  { display: block !important; }
}
@media (min-width: 576px) {
  .d-sm-none   { display: none !important; }
  .d-sm-block  { display: block !important; }
  .d-sm-flex   { display: flex !important; }
}
@media (min-width: 768px) {
  .d-md-none   { display: none !important; }
  .d-md-block  { display: block !important; }
  .d-md-flex   { display: flex !important; }
}
@media (min-width: 992px) {
  .d-lg-none   { display: none !important; }
  .d-lg-block  { display: block !important; }
  .d-lg-flex   { display: flex !important; }
}
@media (min-width: 1200px) {
  .d-xl-none   { display: none !important; }
  .d-xl-block  { display: block !important; }
  .d-xl-flex   { display: flex !important; }
}

/* ── Animations / Keyframes ───────────────────────────────── */
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes slideInUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes slideInLeft {
  from { opacity: 0; transform: translateX(-24px); }
  to   { opacity: 1; transform: translateX(0); }
}

@keyframes slideInRight {
  from { opacity: 0; transform: translateX(32px); }
  to   { opacity: 1; transform: translateX(0); }
}

@keyframes slideOutRight {
  from { opacity: 1; transform: translateX(0); }
  to   { opacity: 0; transform: translateX(32px); }
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: .7; transform: scale(.97); }
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

@keyframes shimmer {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

@keyframes toastProgress {
  from { width: 100%; }
  to   { width: 0%; }
}

@keyframes pageEnter {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes countUp {
  from { opacity: 0; transform: scale(.8); }
  to   { opacity: 1; transform: scale(1); }
}

@keyframes glowPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(22,163,74,.4); }
  50%       { box-shadow: 0 0 0 8px rgba(22,163,74,0); }
}

/* Staggered animation helpers */
.anim-delay-1 { animation-delay: .1s; }
.anim-delay-2 { animation-delay: .2s; }
.anim-delay-3 { animation-delay: .3s; }
.anim-delay-4 { animation-delay: .4s; }

/* ── Print Styles ─────────────────────────────────────────── */
@media print {
  .sidebar, .navbar, .hamburger-btn,
  .mobile-tab-bar, .scroll-top-btn,
  .toast-container, .modal-overlay,
  .btn-secondary, .btn-outline,
  .page-header .btn { display: none !important; }

  body {
    background: #fff;
    color: #111;
    font-size: 12pt;
  }

  .main-content {
    margin-left: 0 !important;
    padding-top: 0 !important;
  }

  .card {
    border: 1px solid #ccc;
    background: #fff;
    box-shadow: none;
  }

  .table thead th, .table tbody td { color: #111; }

  a { text-decoration: underline; color: #111; }
}