/**
 * Track CCD - Main Stylesheet
 * Modern, accessible, and user-friendly design
 * Author: IO Snack
 * Date: 2025
 */

/* ========================================
   CSS VARIABLES (Design Tokens)
   ======================================== */
:root {
  /* Typography */
  --font-base: 16px;
  --font-small: 14px;
  --font-xsmall: 13px;
  --font-large: 20px;
  --font-xlarge: 24px;
  --font-xxlarge: 28px;
  --line-height-base: 1.5;
  --line-height-tight: 1.3;

  /* Colors */
  --primary: #2196f3;
  --primary-hover: #1976d2;
  --primary-light: #e3f2fd;
  --success: #4caf50;
  --success-light: #e8f5e9;
  --danger: #f44336;
  --danger-light: #ffebee;
  --warning: #ff9800;
  --warning-light: #fff3e0;

  /* Text Colors */
  --text-primary: #333;
  --text-secondary: #666;
  --text-muted: #999;
  --text-white: #fff;

  /* Border & Background */
  --border-color: #ddd;
  --border-light: #e8e8e8;
  --bg-main: #eee;
  --bg-white: #fff;
  --bg-response: #2196f338;

  /* Spacing */
  --spacing-xs: 8px;
  --spacing-sm: 12px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;

  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 2px 8px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 4px 16px rgba(0, 0, 0, 0.12);

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;

  /* Form Controls */
  --input-height: 40px;
  --input-padding: 0 var(--spacing-sm);
  --input-border: 1px solid var(--border-color);
  --input-focus-shadow: 0 0 0 3px rgba(33, 150, 243, 0.1);
}

/* ========================================
   GLOBAL STYLES
   ======================================== */
html {
  scroll-behavior: smooth;
}

body {
  font-size: var(--font-base);
  line-height: var(--line-height-base);
  color: var(--text-primary);
  background: var(--bg-main);
  margin-top: 10px;
}

/* Override Bootstrap body font size */
.track-ccd-container {
  font-size: var(--font-base) !important;
}

/* ========================================
   TYPOGRAPHY
   ======================================== */
.tracking-id-title {
  font-size: var(--font-xxlarge);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
  line-height: var(--line-height-tight);
}

.tracking-detail-label {
  font-size: var(--font-base);
  font-weight: 500;
  color: var(--text-secondary);
}

.tracking-detail-value {
  font-size: var(--font-base);
  color: var(--text-primary);
  word-wrap: break-word;
}

.tracking-detail-value strong {
  color: var(--text-secondary);
  font-weight: 600;
}

.text-disclaimer {
  font-size: var(--font-xsmall);
  line-height: var(--line-height-base);
  color: var(--text-secondary);
}

/* ========================================
   LAYOUT
   ======================================== */
.flex-container {
  display: flex;
  flex-wrap: wrap;
  padding: var(--spacing-lg);
  gap: var(--spacing-md);
}

.flex-item-left {
  flex: 100%;
}

.licontainer {
  display: flex;
  gap: var(--spacing-sm);
}

.half-span {
  flex-basis: 20%;
  min-width: 120px;
}

.half-span2 {
  flex-basis: 80%;
  flex-grow: 1;
}

.half-span-re,
.half-span-re2 {
  flex-basis: 50%;
}

/* ========================================
   LOGO & HEADER
   ======================================== */
.invoice-logo {
  text-align: center;
  margin-bottom: var(--spacing-md);
}

.invoice-logo img {
  width: 120px;
  height: auto;
  transition: transform var(--transition-base);
}

.invoice-logo img:hover {
  transform: scale(1.05);
}

.invoice-from {
  text-align: center;
  padding: var(--spacing-md);
  min-width: fit-content;
}

/* ========================================
   TRACKING INFO CARD
   ======================================== */
.tracking-info-card {
  background: var(--bg-white);
  padding: var(--spacing-lg);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  margin-bottom: var(--spacing-lg);
  text-align: center;
}

.tracking-info-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.tracking-info-list li {
  padding: var(--spacing-xs) 0;
}

/* Status Badges */
.status-badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 16px;
  font-size: var(--font-small);
  font-weight: 500;
  line-height: 1.4;
}

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

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

/* ========================================
   FORM CONTROLS
   ======================================== */

/* Form Groups */
.form-group {
  margin-bottom: var(--spacing-md);
}

.form-group label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: 500;
  font-size: var(--font-base);
  color: var(--text-primary);
}

.form-help-text {
  display: block;
  margin-top: var(--spacing-xs);
  font-size: var(--font-small);
  color: var(--text-muted);
}

/* Input Fields */
.form-control-custom {
  width: 100%;
  height: var(--input-height);
  padding: var(--input-padding);
  font-size: var(--font-base);
  line-height: 1.5;
  color: var(--text-primary);
  background-color: var(--bg-white);
  border: var(--input-border);
  border-radius: var(--radius-sm);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control-custom:focus {
  border-color: var(--primary);
  outline: none;
  box-shadow: var(--input-focus-shadow);
}

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

.form-control-custom:disabled {
  background-color: #f5f5f5;
  cursor: not-allowed;
  opacity: 0.6;
}

/* Select Dropdown */
select.form-control-custom {
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23333' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  background-size: 12px;
  padding-right: 32px;
}

/* Textarea */
textarea.form-control-custom {
  height: auto;
  min-height: 100px;
  resize: vertical;
  padding: var(--spacing-sm);
  line-height: var(--line-height-base);
}

/* File Input */
input[type="file"].form-control-custom {
  padding: 8px;
  height: auto;
  font-size: var(--font-small);
  cursor: pointer;
}

input[type="file"].form-control-custom::-webkit-file-upload-button {
  padding: 6px 12px;
  margin-right: 8px;
  background: var(--primary);
  color: var(--text-white);
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: var(--font-small);
  transition: background var(--transition-fast);
}

input[type="file"].form-control-custom::-webkit-file-upload-button:hover {
  background: var(--primary-hover);
}

/* Compact Form Controls (for inline forms) */
.form-control-compact {
  width: auto;
  min-width: 120px;
  height: 36px;
  padding: 0 var(--spacing-sm);
  font-size: var(--font-base);
  display: inline-block;
  vertical-align: middle;
  margin: 4px;
}

/* ========================================
   BUTTONS
   ======================================== */
.btn-custom {
  display: inline-block;
  height: var(--input-height);
  padding: 0 var(--spacing-lg);
  font-size: var(--font-base);
  font-weight: 500;
  line-height: var(--input-height);
  text-align: center;
  white-space: nowrap;
  vertical-align: middle;
  cursor: pointer;
  border: none;
  border-radius: var(--radius-sm);
  transition: all var(--transition-base);
  text-decoration: none;
}

.btn-custom:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

.btn-custom:active {
  transform: translateY(0);
}

.btn-custom:focus {
  outline: none;
  box-shadow: var(--input-focus-shadow);
}

.btn-custom:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

/* Button Variants */
.btn-primary-custom {
  background: var(--primary);
  color: var(--text-white);
}

.btn-primary-custom:hover:not(:disabled) {
  background: var(--primary-hover);
}

.btn-success-custom {
  background: var(--success);
  color: var(--text-white);
}

.btn-success-custom:hover:not(:disabled) {
  background: #43a047;
}

.btn-danger-custom {
  background: var(--danger);
  color: var(--text-white);
}

.btn-danger-custom:hover:not(:disabled) {
  background: #d32f2f;
}

/* Button Sizes */
.btn-sm-custom {
  height: 32px;
  line-height: 32px;
  padding: 0 var(--spacing-md);
  font-size: var(--font-small);
}

.btn-lg-custom {
  height: 48px;
  line-height: 48px;
  padding: 0 var(--spacing-xl);
  font-size: var(--font-large);
}

/* Icon Buttons */
.btn-custom i {
  margin-right: 6px;
  vertical-align: middle;
}

/* ========================================
   REPLY FORM SECTION
   ======================================== */
#hidereply {
  background: var(--bg-white);
  padding: var(--spacing-lg);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  margin-top: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.reply-form-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.reply-form-row > * {
  flex: 1 1 auto;
  min-width: 140px;
}

/* ========================================
   MESSAGE CARDS / CONVERSATION THREAD
   ======================================== */
.message-card {
  background: var(--bg-white);
  border-radius: var(--radius-md);
  padding: 0;
  margin-bottom: var(--spacing-md);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-base);
  overflow: hidden;
}

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

.message-card.response-message {
  background: var(--bg-response);
  border-left: 4px solid var(--primary);
}

.message-header {
  padding: var(--spacing-md);
  background: #f9f9f9;
  border-bottom: 1px solid var(--border-light);
}

.message-date {
  font-size: var(--font-base);
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: var(--spacing-xs);
}

.message-meta {
  font-size: var(--font-small);
  color: var(--text-secondary);
  font-style: italic;
}

.message-body {
  padding: var(--spacing-md);
  background: var(--bg-white);
}

.message-content {
  font-size: var(--font-base);
  line-height: var(--line-height-base);
  color: var(--text-primary);
  word-wrap: break-word;
}

/* Message Type Badges */
.message-type-badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 12px;
  font-size: var(--font-xsmall);
  font-weight: 500;
  margin-left: var(--spacing-xs);
}

.message-type-badge.internal {
  background: var(--primary-light);
  color: var(--primary);
}

.message-type-badge.external {
  background: var(--danger-light);
  color: var(--danger);
}

/* Attachments in Messages */
.message-attachments {
  margin-top: var(--spacing-sm);
  padding-top: var(--spacing-sm);
  border-top: 1px solid var(--border-light);
}

.message-attachments strong {
  font-size: var(--font-small);
  color: var(--text-secondary);
  font-weight: 500;
  display: block;
  margin-bottom: 6px;
}

.attachment-button {
  display: inline-block;
  padding: 5px 10px;
  margin: 4px;
  background: transparent;
  color: var(--primary);
  border: 1px solid var(--primary);
  border-radius: var(--radius-sm);
  font-size: var(--font-small);
  text-decoration: none;
  transition: all var(--transition-fast);
}

.attachment-button:hover {
  background: var(--primary);
  color: var(--text-white);
  text-decoration: none;
}

.attachment-button i {
  margin-right: 4px;
  font-size: 12px;
}

/* ========================================
   ALERTS & NOTIFICATIONS
   ======================================== */
.alert-custom {
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-md);
  border-radius: var(--radius-sm);
  font-size: var(--font-base);
  line-height: var(--line-height-base);
}

.alert-success {
  background: var(--success-light);
  color: #2e7d32;
  border-left: 4px solid var(--success);
}

.alert-error {
  background: var(--danger-light);
  color: #c62828;
  border-left: 4px solid var(--danger);
}

.alert-warning {
  background: var(--warning-light);
  color: #e65100;
  border-left: 4px solid var(--warning);
}

.alert-info {
  background: var(--primary-light);
  color: #1565c0;
  border-left: 4px solid var(--primary);
}

/* ========================================
   FOOTER
   ======================================== */
.invoice-footer {
  margin-top: var(--spacing-lg);
  padding: var(--spacing-md);
  text-align: center;
  border-top: 1px solid var(--border-light);
  font-size: var(--font-xsmall);
}

.invoice-footer p {
  margin: var(--spacing-xs) 0;
  line-height: 1.4;
  font-size: 12px;
}

.invoice-footer .text-disclaimer {
  font-size: 11px;
  line-height: 1.5;
  margin-bottom: var(--spacing-sm);
}

/* ========================================
   LOADING STATES
   ======================================== */
.loading-spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 3px solid rgba(33, 150, 243, 0.2);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

.btn-loading {
  position: relative;
  pointer-events: none;
}

.btn-loading::after {
  content: '';
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

/* ========================================
   UTILITIES
   ======================================== */
.text-center {
  text-align: center !important;
}

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

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

.mt-0 { margin-top: 0 !important; }
.mt-1 { margin-top: var(--spacing-xs) !important; }
.mt-2 { margin-top: var(--spacing-sm) !important; }
.mt-3 { margin-top: var(--spacing-md) !important; }
.mt-4 { margin-top: var(--spacing-lg) !important; }

.mb-0 { margin-bottom: 0 !important; }
.mb-1 { margin-bottom: var(--spacing-xs) !important; }
.mb-2 { margin-bottom: var(--spacing-sm) !important; }
.mb-3 { margin-bottom: var(--spacing-md) !important; }
.mb-4 { margin-bottom: var(--spacing-lg) !important; }

.p-0 { padding: 0 !important; }
.p-1 { padding: var(--spacing-xs) !important; }
.p-2 { padding: var(--spacing-sm) !important; }
.p-3 { padding: var(--spacing-md) !important; }
.p-4 { padding: var(--spacing-lg) !important; }

.d-none {
  display: none !important;
}

.d-block {
  display: block !important;
}

.d-inline {
  display: inline !important;
}

.d-inline-block {
  display: inline-block !important;
}

/* Fade In Animation */
.fade-in {
  animation: fadeIn var(--transition-base);
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ========================================
   SWEETALERT2 CUSTOM STYLES (Smart Design)
   ======================================== */
.swal-reply-container .swal2-popup {
  font-family: inherit;
  padding: 1.5rem !important;
}

.swal-reply-title {
  font-size: 1.75rem !important;
  color: var(--primary);
  padding: 1rem 0;
  font-weight: 600;
}

.swal-reply-html {
  padding: 0.5rem 0;
  text-align: left;
  font-size: 15px !important;
}

/* Form Groups */
#swal-reply-form .swal-form-group {
  margin-bottom: 1.25rem;
  text-align: left;
}

#swal-reply-form label {
  font-weight: 500;
  color: #333;
  font-size: 15px !important;
  margin-bottom: 0.5rem;
  display: block;
}

#swal-reply-form label i {
  margin-right: 8px;
  width: 18px;
  text-align: center;
  font-size: 15px;
}

/* Form Controls */
#swal-reply-form .form-control,
#swal-reply-form .swal2-input,
#swal-reply-form .swal2-select,
#swal-reply-form .swal2-textarea,
#swal-reply-form .swal2-file {
  font-size: 15px !important;
  border-radius: 0.25rem !important;
  border: 1px solid #ced4da !important;
  width: 100% !important;
  padding: 0.6rem 0.85rem !important;
  box-sizing: border-box !important;
  margin: 0 !important;
  transition: border-color 0.3s, box-shadow 0.3s !important;
  height: 40px !important;
}

#swal-reply-form .form-control:focus,
#swal-reply-form .swal2-input:focus,
#swal-reply-form .swal2-select:focus,
#swal-reply-form .swal2-textarea:focus {
  border-color: #2196f3 !important;
  box-shadow: 0 0 0 0.2rem rgba(33, 150, 243, 0.15) !important;
  outline: none !important;
}

#swal-reply-form select.form-control {
  height: 40px !important;
  font-size: 15px !important;
  cursor: pointer;
}

#swal-reply-form .swal2-textarea,
#swal-reply-form textarea.form-control {
  resize: vertical !important;
  min-height: 100px !important;
  height: auto !important;
  font-size: 15px !important;
  padding: 0.6rem 0.85rem !important;
}

/* Helper Text */
#swal-reply-form .form-text {
  font-size: 13px !important;
  color: #6c757d;
  margin-top: 0.35rem;
  display: block;
}

/* Validation Message */
.swal2-validation-message {
  background: #ffebee !important;
  color: #c62828 !important;
  border: 1px solid #ef5350 !important;
  font-size: 14px !important;
  margin: 1rem 0 !important;
  padding: 0.75rem !important;
  border-radius: 0.25rem !important;
}

/* Bootstrap-style Buttons */
.swal2-styled.btn {
  min-width: 140px !important;
  height: 42px !important;
  padding: 0.6rem 1.8rem !important;
  font-size: 15px !important;
  font-weight: 500 !important;
  line-height: 1.5 !important;
  border-radius: 0.25rem !important;
  cursor: pointer !important;
  transition: all 0.15s ease-in-out !important;
  border: 1px solid transparent !important;
  display: inline-block !important;
  text-align: center !important;
  vertical-align: middle !important;
  margin: 0 !important;
}

.swal2-styled.btn-primary {
  color: #fff !important;
  background-color: #2196f3 !important;
  border-color: #2196f3 !important;
}

.swal2-styled.btn-primary:hover {
  background-color: #1976d2 !important;
  border-color: #1565c0 !important;
  transform: translateY(-1px) !important;
  box-shadow: 0 4px 12px rgba(33, 150, 243, 0.3) !important;
}

.swal2-styled.btn-secondary {
  color: #fff !important;
  background-color: #6c757d !important;
  border-color: #6c757d !important;
  margin-left: 12px !important;
}

.swal2-styled.btn-secondary:hover {
  background-color: #5a6268 !important;
  border-color: #545b62 !important;
  transform: translateY(-1px) !important;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15) !important;
}

.swal2-actions {
  margin-top: 1.5rem !important;
  padding: 0 !important;
  gap: 12px !important;
}

.swal2-actions .swal2-styled + .swal2-styled {
  margin-left: 12px !important;
}

/* Bootstrap grid in SweetAlert */
.swal-reply-html .container-fluid {
  padding: 0;
}

.swal-reply-html .row {
  margin-left: -10px;
  margin-right: -10px;
}

.swal-reply-html [class*="col-"] {
  padding-left: 10px;
  padding-right: 10px;
}

.swal-reply-html .mb-3 {
  margin-bottom: 15px;
}

.swal-reply-html .text-muted {
  color: var(--text-muted);
  font-size: 12px;
}

.swal-reply-html .d-block {
  display: block;
}

.swal-reply-html .mt-1 {
  margin-top: 4px;
}

/* Responsive SweetAlert */
@media (max-width: 768px) {
  .swal2-popup {
    width: 95% !important;
    padding: 15px !important;
  }

  .swal-reply-title {
    font-size: 20px;
    padding: 15px 10px;
  }

  .swal-reply-html {
    padding: 0 10px 15px;
  }

  .swal-reply-html .row {
    margin-left: 0;
    margin-right: 0;
  }

  .swal-reply-html [class*="col-"] {
    padding-left: 0;
    padding-right: 0;
    width: 100% !important;
    flex: 0 0 100% !important;
    max-width: 100% !important;
  }
}

/* ========================================
   PRINT STYLES
   ======================================== */
@media print {
  body {
    background: white;
  }

  .invoice-logo img {
    width: 80px;
  }

  .btn-custom,
  #hidereply,
  #hidebutton {
    display: none !important;
  }

  .message-card {
    box-shadow: none;
    border: 1px solid var(--border-color);
    page-break-inside: avoid;
  }
}