/* Base CSS with variables, reset, and common utilities */

/* CSS Variables */
:root {
  /* Colors */
  --primary-color: #0b2a59;
  --primary-light: #007bff;
  --primary-dark: #00234d;
  --secondary-color: #28a745;
  --secondary-light: #34ce57;
  --secondary-dark: #1e7e34;
  --danger-color: #dc3545;
  --danger-dark: #b02a37;
  --main-btn-color: rgb(10, 48, 101);
  --main-btn-color-dark: #007bff;
  --warning-color: #ffc107;
  --warning-dark: #d39e00;
  --light-color: #f8f9fa;
  --dark-color: #343a40;
  --gray-100: #f8f9fa;
  --gray-200: #e9ecef;
  --gray-300: #dee2e6;
  --gray-400: #ced4da;
  --gray-500: #adb5bd;
  --gray-600: #6c757d;
  --gray-700: #495057;
  --gray-800: #343a40;
  --gray-900: #212529;

  /* Typography */
  --font-family: Arial, sans-serif;
  --font-size-base: 16px;
  --font-size-sm: 0.875rem;
  --font-size-md: 1rem;
  --font-size-lg: 1.25rem;
  --font-size-xl: 1.5rem;
  --font-size-xxl: 2rem;

  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-xxl: 3rem;

  /* Border Radius */
  --border-radius-sm: 0.25rem;
  --border-radius-md: 0.5rem;
  --border-radius-lg: 0.75rem;

  /* Box Shadow */
  --box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
  --box-shadow-md: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
  --box-shadow-lg: 0 1rem 3rem rgba(0, 0, 0, 0.175);

  /* Container Widths */
  --container-sm: 540px;
  --container-md: 720px;
  --container-lg: 960px;
  --container-xl: 1140px;

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

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

html {
  font-size: var(--font-size-base);
  -webkit-text-size-adjust: 100%;
  -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-md);
  line-height: 1.5;
  color: var(--gray-900);
  background-color: var(--gray-100);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img {
  max-width: 100%;
  height: auto;
  vertical-align: middle;
}

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



/* Common Layout Classes */
.container {
  width: 100%;
  padding-right: var(--spacing-md);
  padding-left: var(--spacing-md);
  margin-right: auto;
  margin-left: auto;
}

@media (min-width: 576px) {
  .container {
    max-width: var(--container-sm);
  }
}

@media (min-width: 768px) {
  .container {
    max-width: var(--container-md);
  }
}

@media (min-width: 992px) {
  .container {
    max-width: var(--container-lg);
  }
}

@media (min-width: 1200px) {
  .container {
    max-width: var(--container-xl);
  }
}

.row {
  display: flex;
  flex-wrap: wrap;
  margin-right: -0.5rem;
  margin-left: -0.5rem;
}

.col {
  flex: 1 0 0%;
  padding-right: 0.5rem;
  padding-left: 0.5rem;
}

/* Utility Classes */
.text-center {
  text-align: center;
}

.text-right {
  text-align: right;
}

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

.d-flex {
  display: flex;
}

.flex-column {
  flex-direction: column;
}

.justify-content-center {
  justify-content: center;
}

.justify-content-between {
  justify-content: space-between;
}

.align-items-center {
  align-items: center;
}

.mt-1 {
  margin-top: var(--spacing-xs);
}

.mt-2 {
  margin-top: var(--spacing-sm);
}

.mt-3 {
  margin-top: var(--spacing-md);
}

.mt-4 {
  margin-top: var(--spacing-lg);
}

.mt-5 {
  margin-top: var(--spacing-xl);
}

.mb-1 {
  margin-bottom: var(--spacing-xs);
}

.mb-2 {
  margin-bottom: var(--spacing-sm);
}

.mb-3 {
  margin-bottom: var(--spacing-md);
}

.mb-4 {
  margin-bottom: var(--spacing-lg);
}

.mb-5 {
  margin-bottom: var(--spacing-xl);
}

.mx-auto {
  margin-left: auto;
  margin-right: auto;
}

.p-1 {
  padding: var(--spacing-xs);
}

.p-2 {
  padding: var(--spacing-sm);
}

.p-3 {
  padding: var(--spacing-md);
}

.p-4 {
  padding: var(--spacing-lg);
}

.p-5 {
  padding: var(--spacing-xl);
}

/* Form Elements */
input,
select,
textarea,
button {
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
}

button,
input[type="button"],
input[type="reset"],
input[type="submit"] {
  cursor: pointer;
  -webkit-appearance: button;
}

input,
select,
textarea {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--gray-400);
  border-radius: var(--border-radius-sm);
  transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--primary-light);
  outline: 0;
  box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
}

/* Button Styles */
.btn {
  display: inline-block;
  font-weight: 400;
  text-align: center;
  white-space: nowrap;
  vertical-align: middle;
  user-select: none;
  border: 1px solid transparent;
  padding: 0.75rem 1.5rem;
  font-size: var(--font-size-md);
  line-height: 1.5;
  border-radius: var(--border-radius-sm);
  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;
}

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

.btn:focus {
  outline: 0;
  box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
}

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

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

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

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

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

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

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

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

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

/* Table Styles */
.table {
  width: 100%;
  margin-bottom: var(--spacing-md);
  color: var(--gray-900);
  border-collapse: collapse;
}

.table th,
.table td {
  padding: 0.75rem;
  vertical-align: top;
  border-top: 1px solid var(--gray-300);
}

.table thead th {
  vertical-align: bottom;
  border-bottom: 2px solid var(--gray-300);
  background-color: var(--primary-color);
  color: white;
}

.table tbody+tbody {
  border-top: 2px solid var(--gray-300);
}

.table-responsive {
  display: block;
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

/* Card Styles */
.card {
  position: relative;
  display: flex;
  flex-direction: column;
  min-width: 0;
  word-wrap: break-word;
  background-color: #fff;
  background-clip: border-box;
  border: 1px solid var(--gray-300);
  border-radius: var(--border-radius-md);
  box-shadow: var(--box-shadow);
}

.card-header {
  padding: 0.75rem 1.25rem;
  margin-bottom: 0;
  background-color: var(--gray-200);
  border-bottom: 1px solid var(--gray-300);
}

.card-body {
  flex: 1 1 auto;
  min-height: 1px;
  padding: 1.25rem;
}

.card-footer {
  padding: 0.75rem 1.25rem;
  background-color: var(--gray-200);
  border-top: 1px solid var(--gray-300);
}

/* Status Indicators */
.status {
  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: var(--border-radius-sm);
}

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

.status-completed {
  color: #fff;
  background-color: var(--secondary-color);
}

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

/* Loader */
.loader {
  display: inline-block;
  width: 2rem;
  height: 2rem;
  vertical-align: text-bottom;
  border: 0.25em solid var(--primary-light);
  border-right-color: transparent;
  border-radius: 50%;
  animation: spinner 0.75s linear infinite;
}

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

/* Responsive Typography */
h1,
.h1 {
  font-size: 1.75rem;
}

h2,
.h2 {
  font-size: 1.5rem;
}

h3,
.h3 {
  font-size: 1.25rem;
}

h4,
.h4 {
  font-size: 1.125rem;
}

h5,
.h5 {
  font-size: 1rem;
}

h6,
.h6 {
  font-size: 0.875rem;
}

@media (min-width: 768px) {

  h1,
  .h1 {
    font-size: 2.5rem;
  }

  h2,
  .h2 {
    font-size: 2rem;
  }

  h3,
  .h3 {
    font-size: 1.75rem;
  }

  h4,
  .h4 {
    font-size: 1.5rem;
  }

  h5,
  .h5 {
    font-size: 1.25rem;
  }

  h6,
  .h6 {
    font-size: 1rem;
  }
}

/* Logo Styling */
.logo-container {
  text-align: center;
  margin-bottom: var(--spacing-lg);
}

.logo {
  max-height: 80px;
  width: auto;
}

@media (min-width: 768px) {
  .logo {
    max-height: 120px;
  }
}

/* Navigation */
.back-link {
  display: inline-flex;
  align-items: center;
  margin-bottom: var(--spacing-md);
  color: var(--primary-color);
  font-weight: bold;
}

.back-link:before {
  content: "←";
  margin-right: var(--spacing-xs);
}

.card-actions {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 8px;
}

.row-actions {
  display: flex;
  justify-content: right; 
  gap: 6px;
}