/* NobelUI Main Stylesheet */

:root {
  --primary-color: #667eea;
  --secondary-color: #764ba2;
  --success-color: #00d4aa;
  --info-color: #1ce1ac;
  --warning-color: #ffb822;
  --danger-color: #fd397a;
  --light-color: #f8f9fa;
  --dark-color: #2c2e33;
  --body-bg: #f2f3f8;
  --card-bg: #ffffff;
  --border-color: #e8ecef;
  --text-color: #3a3952;
  --text-muted: #8a92a5;
  --sidebar-bg: #2c2e33;
  --sidebar-text: #b8bcc8;
  --sidebar-active: #667eea;
  --navbar-bg: #ffffff;
  --font-size-base: 0.875rem;
  --font-family-sans-serif: "Roboto", sans-serif;
  --border-radius: 0.25rem;
  --border-radius-lg: 0.5rem;
  --box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
  --box-shadow-lg: 0 1rem 3rem rgba(0, 0, 0, 0.175);
}

* {
  box-sizing: border-box;
}

html {
  font-family: sans-serif;
  line-height: 1.15;
  -webkit-text-size-adjust: 100%;
  -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
}

body {
  margin: 0;
  font-family: var(--font-family-sans-serif);
  font-size: var(--font-size-base);
  font-weight: 400;
  line-height: 1.5;
  color: var(--text-color);
  text-align: left;
  background-color: var(--body-bg);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  margin-top: 0;
  margin-bottom: 0.5rem;
  font-weight: 500;
  line-height: 1.2;
  color: var(--text-color);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

p {
  margin-top: 0;
  margin-bottom: 1rem;
}

/* Layout */
.wrapper {
  display: flex;
  min-height: 100vh;
  overflow: hidden;
}

.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: 260px;
  height: 100vh;
  background-color: var(--sidebar-bg);
  color: var(--sidebar-text);
  transition: all 0.3s ease;
  z-index: 1000;
  overflow-y: auto;
}

.sidebar-brand {
  display: flex;
  align-items: center;
  padding: 1.5rem 1.25rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-brand img {
  height: 40px;
  margin-right: 0.75rem;
}

.sidebar-brand-text {
  font-size: 1.25rem;
  font-weight: 600;
  color: #ffffff;
}

.sidebar-nav {
  padding: 1rem 0;
}

.nav-item {
  margin-bottom: 0.25rem;
}

.nav-link {
  display: flex;
  align-items: center;
  padding: 0.75rem 1.25rem;
  color: var(--sidebar-text);
  text-decoration: none;
  transition: all 0.3s ease;
  border-left: 3px solid transparent;
}

.nav-link:hover {
  background-color: rgba(255, 255, 255, 0.05);
  color: #ffffff;
  text-decoration: none;
}

.nav-link.active {
  background-color: rgba(102, 126, 234, 0.1);
  color: #ffffff;
  border-left-color: var(--sidebar-active);
}

.nav-link i {
  width: 20px;
  margin-right: 1rem;
  text-align: center;
}

.main-panel {
  flex: 1;
  margin-left: 260px;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  transition: all 0.3s ease;
}

.navbar {
  background-color: var(--navbar-bg);
  padding: 1rem 2rem;
  border-bottom: 1px solid var(--border-color);
  box-shadow: var(--box-shadow);
}

.content-wrapper {
  flex: 1;
  padding: 2rem;
  background-color: var(--body-bg);
}

/* Cards */
.card {
  position: relative;
  display: flex;
  flex-direction: column;
  min-width: 0;
  word-wrap: break-word;
  background-color: var(--card-bg);
  background-clip: border-box;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  margin-bottom: 1.5rem;
}

.card-header {
  padding: 1.25rem 1.5rem;
  margin-bottom: 0;
  background-color: rgba(0, 0, 0, 0.03);
  border-bottom: 1px solid var(--border-color);
  border-radius: calc(var(--border-radius) - 1px) calc(var(--border-radius) - 1px) 0 0;
}

.card-body {
  flex: 1 1 auto;
  padding: 1.5rem;
}

.card-footer {
  padding: 1.25rem 1.5rem;
  background-color: rgba(0, 0, 0, 0.03);
  border-top: 1px solid var(--border-color);
  border-radius: 0 0 calc(var(--border-radius) - 1px) calc(var(--border-radius) - 1px);
}

.card-title {
  margin-bottom: 0.75rem;
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-color);
}

/* Buttons */
.btn {
  display: inline-block;
  font-weight: 400;
  color: #212529;
  text-align: center;
  vertical-align: middle;
  user-select: none;
  background-color: transparent;
  border: 1px solid transparent;
  padding: 0.5rem 1rem;
  font-size: var(--font-size-base);
  line-height: 1.5;
  border-radius: var(--border-radius);
  transition: color 0.15s ease-in-out, background-color 0.15s ease-in-out, border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
  cursor: pointer;
  text-decoration: none;
}

.btn:hover {
  text-decoration: none;
}

.btn:focus {
  outline: 0;
  box-shadow: 0 0 0 0.2rem rgba(102, 126, 234, 0.25);
}

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

.btn-primary:hover {
  background-color: #5a6fd8;
  border-color: #5a6fd8;
}

.btn-secondary {
  color: #fff;
  background-color: #6c757d;
  border-color: #6c757d;
}

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

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

.btn-warning {
  color: #212529;
  background-color: var(--warning-color);
  border-color: var(--warning-color);
}

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

.btn-light {
  color: #212529;
  background-color: var(--light-color);
  border-color: var(--light-color);
}

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

.btn-sm {
  padding: 0.25rem 0.5rem;
  font-size: 0.75rem;
  border-radius: 0.2rem;
}

.btn-lg {
  padding: 0.75rem 1.5rem;
  font-size: 1.125rem;
  border-radius: 0.3rem;
}

.btn-block {
  display: block;
  width: 100%;
}

/* Forms */
.form-group {
  margin-bottom: 1rem;
}

.form-control {
  display: block;
  width: 100%;
  height: calc(1.5em + 1rem + 2px);
  padding: 0.5rem 0.75rem;
  font-size: var(--font-size-base);
  font-weight: 400;
  line-height: 1.5;
  color: var(--text-color);
  background-color: #fff;
  background-clip: padding-box;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

.form-control:focus {
  color: var(--text-color);
  background-color: #fff;
  border-color: var(--primary-color);
  outline: 0;
  box-shadow: 0 0 0 0.2rem rgba(102, 126, 234, 0.25);
}

.form-label {
  margin-bottom: 0.5rem;
  font-weight: 500;
  color: var(--text-color);
}

.form-select {
  display: block;
  width: 100%;
  height: calc(1.5em + 1rem + 2px);
  padding: 0.5rem 2.25rem 0.5rem 0.75rem;
  font-size: var(--font-size-base);
  font-weight: 400;
  line-height: 1.5;
  color: var(--text-color);
  background-color: #fff;
  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='%23343a40' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m1 6 7 7 7-7'/%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  background-size: 16px 12px;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

/* Tables */
.table {
  width: 100%;
  margin-bottom: 1rem;
  color: var(--text-color);
  border-collapse: collapse;
}

.table th,
.table td {
  padding: 0.75rem;
  vertical-align: top;
  border-top: 1px solid var(--border-color);
}

.table thead th {
  vertical-align: bottom;
  border-bottom: 2px solid var(--border-color);
  background-color: var(--light-color);
  font-weight: 600;
}

.table-striped tbody tr:nth-of-type(odd) {
  background-color: rgba(0, 0, 0, 0.02);
}

.table-hover tbody tr:hover {
  color: var(--text-color);
  background-color: rgba(0, 0, 0, 0.05);
}

/* Alerts */
.alert {
  position: relative;
  padding: 0.75rem 1.25rem;
  margin-bottom: 1rem;
  border: 1px solid transparent;
  border-radius: var(--border-radius);
}

.alert-primary {
  color: #004085;
  background-color: #cce5ff;
  border-color: #b8daff;
}

.alert-secondary {
  color: #383d41;
  background-color: #e2e3e5;
  border-color: #d6d8db;
}

.alert-success {
  color: #155724;
  background-color: #d4edda;
  border-color: #c3e6cb;
}

.alert-danger {
  color: #721c24;
  background-color: #f8d7da;
  border-color: #f5c6cb;
}

.alert-warning {
  color: #856404;
  background-color: #fff3cd;
  border-color: #ffeaa7;
}

.alert-info {
  color: #0c5460;
  background-color: #d1ecf1;
  border-color: #bee5eb;
}

/* Badges */
.badge {
  display: inline-block;
  padding: 0.25em 0.4em;
  font-size: 75%;
  font-weight: 700;
  line-height: 1;
  text-align: center;
  white-space: nowrap;
  vertical-align: baseline;
  border-radius: 0.25rem;
  transition: color 0.15s ease-in-out, background-color 0.15s ease-in-out, border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

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

.badge-secondary {
  color: #fff;
  background-color: #6c757d;
}

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

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

.badge-warning {
  color: #212529;
  background-color: var(--warning-color);
}

.badge-info {
  color: #fff;
  background-color: var(--info-color);
}

/* Utilities */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.text-primary { color: var(--primary-color); }
.text-secondary { color: #6c757d; }
.text-success { color: var(--success-color); }
.text-danger { color: var(--danger-color); }
.text-warning { color: var(--warning-color); }
.text-info { color: var(--info-color); }
.text-light { color: var(--light-color); }
.text-dark { color: var(--dark-color); }
.text-muted { color: var(--text-muted); }

.bg-primary { background-color: var(--primary-color); }
.bg-secondary { background-color: #6c757d; }
.bg-success { background-color: var(--success-color); }
.bg-danger { background-color: var(--danger-color); }
.bg-warning { background-color: var(--warning-color); }
.bg-info { background-color: var(--info-color); }
.bg-light { background-color: var(--light-color); }
.bg-dark { background-color: var(--dark-color); }

.d-none { display: none; }
.d-block { display: block; }
.d-inline { display: inline; }
.d-inline-block { display: inline-block; }
.d-flex { display: flex; }

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

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

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

.m-0 { margin: 0; }
.m-1 { margin: 0.25rem; }
.m-2 { margin: 0.5rem; }
.m-3 { margin: 1rem; }
.m-4 { margin: 1.5rem; }
.m-5 { margin: 3rem; }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 1rem; }
.mt-4 { margin-top: 1.5rem; }
.mt-5 { margin-top: 3rem; }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 1rem; }
.mb-4 { margin-bottom: 1.5rem; }
.mb-5 { margin-bottom: 3rem; }

.ml-0 { margin-left: 0; }
.ml-1 { margin-left: 0.25rem; }
.ml-2 { margin-left: 0.5rem; }
.ml-3 { margin-left: 1rem; }
.ml-4 { margin-left: 1.5rem; }
.ml-5 { margin-left: 3rem; }

.mr-0 { margin-right: 0; }
.mr-1 { margin-right: 0.25rem; }
.mr-2 { margin-right: 0.5rem; }
.mr-3 { margin-right: 1rem; }
.mr-4 { margin-right: 1.5rem; }
.mr-5 { margin-right: 3rem; }

.p-0 { padding: 0; }
.p-1 { padding: 0.25rem; }
.p-2 { padding: 0.5rem; }
.p-3 { padding: 1rem; }
.p-4 { padding: 1.5rem; }
.p-5 { padding: 3rem; }

.pt-0 { padding-top: 0; }
.pt-1 { padding-top: 0.25rem; }
.pt-2 { padding-top: 0.5rem; }
.pt-3 { padding-top: 1rem; }
.pt-4 { padding-top: 1.5rem; }
.pt-5 { padding-top: 3rem; }

.pb-0 { padding-bottom: 0; }
.pb-1 { padding-bottom: 0.25rem; }
.pb-2 { padding-bottom: 0.5rem; }
.pb-3 { padding-bottom: 1rem; }
.pb-4 { padding-bottom: 1.5rem; }
.pb-5 { padding-bottom: 3rem; }

.pl-0 { padding-left: 0; }
.pl-1 { padding-left: 0.25rem; }
.pl-2 { padding-left: 0.5rem; }
.pl-3 { padding-left: 1rem; }
.pl-4 { padding-left: 1.5rem; }
.pl-5 { padding-left: 3rem; }

.pr-0 { padding-right: 0; }
.pr-1 { padding-right: 0.25rem; }
.pr-2 { padding-right: 0.5rem; }
.pr-3 { padding-right: 1rem; }
.pr-4 { padding-right: 1.5rem; }
.pr-5 { padding-right: 3rem; }

.w-25 { width: 25%; }
.w-50 { width: 50%; }
.w-75 { width: 75%; }
.w-100 { width: 100%; }

.h-25 { height: 25%; }
.h-50 { height: 50%; }
.h-75 { height: 75%; }
.h-100 { height: 100%; }

/* Progress bars */
.progress {
  display: flex;
  height: 1rem;
  overflow: hidden;
  font-size: 0.75rem;
  background-color: #e9ecef;
  border-radius: var(--border-radius);
}

.progress-bar {
  display: flex;
  flex-direction: column;
  justify-content: center;
  overflow: hidden;
  color: #fff;
  text-align: center;
  white-space: nowrap;
  background-color: var(--primary-color);
  transition: width 0.6s ease;
}

/* Responsive design */
@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
  }
  
  .sidebar.show {
    transform: translateX(0);
  }
  
  .main-panel {
    margin-left: 0;
  }
  
  .content-wrapper {
    padding: 1rem;
  }
  
  .navbar {
    padding: 0.75rem 1rem;
  }
}

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

.dropdown-toggle::after {
  display: inline-block;
  margin-left: 0.255em;
  vertical-align: 0.255em;
  content: "";
  border-top: 0.3em solid;
  border-right: 0.3em solid transparent;
  border-bottom: 0;
  border-left: 0.3em solid transparent;
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  z-index: 1000;
  display: none;
  float: left;
  min-width: 10rem;
  padding: 0.5rem 0;
  margin: 0.125rem 0 0;
  font-size: var(--font-size-base);
  color: var(--text-color);
  text-align: left;
  list-style: none;
  background-color: #fff;
  background-clip: padding-box;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow-lg);
}

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

.dropdown-item {
  display: block;
  width: 100%;
  padding: 0.375rem 1.5rem;
  clear: both;
  font-weight: 400;
  color: var(--text-color);
  text-align: inherit;
  text-decoration: none;
  white-space: nowrap;
  background-color: transparent;
  border: 0;
}

.dropdown-item:hover {
  color: #16181b;
  text-decoration: none;
  background-color: #f8f9fa;
}

.dropdown-divider {
  height: 0;
  margin: 0.5rem 0;
  overflow: hidden;
  border-top: 1px solid var(--border-color);
}

/* Pagination */
.pagination {
  display: flex;
  padding-left: 0;
  list-style: none;
  border-radius: var(--border-radius);
}

.page-item .page-link {
  position: relative;
  display: block;
  padding: 0.5rem 0.75rem;
  margin-left: -1px;
  line-height: 1.25;
  color: var(--primary-color);
  background-color: #fff;
  border: 1px solid var(--border-color);
  text-decoration: none;
}

.page-item:first-child .page-link {
  margin-left: 0;
  border-top-left-radius: var(--border-radius);
  border-bottom-left-radius: var(--border-radius);
}

.page-item:last-child .page-link {
  border-top-right-radius: var(--border-radius);
  border-bottom-right-radius: var(--border-radius);
}

.page-item.active .page-link {
  z-index: 3;
  color: #fff;
  background-color: var(--primary-color);
  border-color: var(--primary-color);
}

.page-item:not(.active) .page-link:hover {
  z-index: 2;
  color: #5a6fd8;
  text-decoration: none;
  background-color: #e9ecef;
  border-color: var(--border-color);
}