:root {
  --qr-surface: #ffffff;
  --qr-muted: #64748b;
  --qr-border: rgba(15, 23, 42, 0.08);
  --qr-radius-lg: 18px;
  --qr-shadow: 0 12px 32px rgba(15, 23, 42, 0.08);
  --qr-primary: #4f46e5;
  --qr-primary-alt: #3b82f6;
}

body {
  font-family: "Inter", sans-serif;
  background-color: #f4f6f9;
  color: #1f2937;
  transition: background-color 0.3s ease, color 0.3s ease;
}

.bg-auth {
  background: radial-gradient(circle at top, #f3f7ff 0%, #f8f9ff 45%, #f0f4ff 100%);
}

.bg-auth-light {
  background: linear-gradient(135deg, #f8faff 0%, #eef2ff 50%, #e0e7ff 100%);
}

.login-page .card,
.register-page .card {
  border: none;
  border-radius: var(--qr-radius-lg);
  box-shadow: var(--qr-shadow);
}

.login-page .card .btn,
.register-page .card .btn {
  border-radius: 10px;
}

.login-page .card .input-group-text,
.register-page .card .input-group-text {
  border-radius: 10px 0 0 10px;
}

.content-page {
  background-color: #f4f6f9;
  min-height: calc(100vh - 3.5rem);
}

.content-page .card {
  border: none;
  border-radius: var(--qr-radius-lg);
  box-shadow: var(--qr-shadow);
  background-color: var(--qr-surface);
}

.metric-card {
  border-radius: var(--qr-radius-lg);
  border: 1px solid var(--qr-border);
  box-shadow: var(--qr-shadow);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.metric-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(15, 23, 42, 0.12);
}

.icon-circle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  font-size: 1.1rem;
  background-color: #eef2ff;
  color: #4f46e5;
}

.metric-card .stretched-link {
  font-size: 0.8rem;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.soft-alert {
  border: 1px solid rgba(63, 131, 248, 0.22);
  background-color: #eef4ff;
  color: #27364b;
  border-radius: 14px;
  padding: 0.85rem 1.25rem;
}

.upload-result .card-header {
  border-radius: var(--qr-radius-lg) var(--qr-radius-lg) 0 0;
}

.upload-dropzone {
  border: 2px dashed rgba(79, 70, 229, 0.28);
  border-radius: 20px;
  padding: 1.75rem;
  background-color: rgba(79, 70, 229, 0.05);
  transition: border-color 0.2s ease, background-color 0.2s ease, transform 0.2s ease;
  cursor: pointer;
}

.upload-dropzone:hover,
.upload-dropzone:focus-within {
  border-color: rgba(79, 70, 229, 0.6);
  background-color: rgba(79, 70, 229, 0.12);
  transform: translateY(-2px);
}

.upload-dropzone.is-dragover {
  border-color: rgba(79, 70, 229, 0.75);
  background-color: rgba(79, 70, 229, 0.18);
}

.upload-dropzone .upload-dropzone__icon {
  width: 64px;
  height: 64px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 18px;
  background: rgba(79, 70, 229, 0.12);
  color: var(--qr-primary);
  font-size: 1.4rem;
}

.upload-dropzone__text strong {
  font-weight: 700;
  color: #1f2937;
}

.upload-dropzone__text p {
  margin-bottom: 0;
  color: var(--qr-muted);
}

.qr-box {
  min-height: 90px;
}

.profile-card .profile-avatar {
  width: 150px;
  height: 150px;
  object-fit: cover;
  border-radius: 50%;
  border: 4px solid #ffffff;
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.15);
}

.profile-card .change-photo-label {
  position: absolute;
  bottom: 12px;
  left: 50%;
  transform: translateX(-50%);
  border-radius: 999px;
  padding: 0.4rem 1rem;
}

.profile-shell {
  max-width: 1080px;
  margin: 0 auto;
}

.profile-card {
  border-radius: 28px;
  padding: clamp(2rem, 2.5vw, 2.75rem);
  background: var(--qr-surface);
}

.profile-summary {
  border-radius: 22px;
  background: linear-gradient(135deg, rgba(79, 70, 229, 0.16), rgba(59, 130, 246, 0.16));
  padding: clamp(1.75rem, 2vw, 2.25rem);
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

.profile-avatar-wrap {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.profile-avatar-lg {
  width: 168px;
  height: 168px;
  border-radius: 50%;
  border: 6px solid #ffffff;
  object-fit: cover;
}

.profile-avatar-btn {
  position: absolute;
  bottom: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: #111b2c;
  color: #ffffff;
  padding: 0.5rem 1.25rem;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  cursor: pointer;
  box-shadow: 0 12px 24px rgba(15, 23, 42, 0.22);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.profile-avatar-btn:hover {
  transform: translateX(-50%) translateY(-2px);
  box-shadow: 0 18px 32px rgba(15, 23, 42, 0.25);
}

.profile-upload-hint {
  font-size: 0.85rem;
  color: var(--qr-muted);
}

.profile-summary__meta {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.profile-meta-item {
  background: rgba(255, 255, 255, 0.65);
  border-radius: 18px;
  padding: 0.9rem 1.1rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  box-shadow: 0 18px 28px rgba(15, 23, 42, 0.08);
}

.profile-meta-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(15, 23, 42, 0.55);
  font-weight: 600;
}

.profile-meta-value {
  font-size: 1.05rem;
  color: #0f172a;
}

.profile-form {
  background: #ffffff;
  border-radius: 22px;
  padding: clamp(1.75rem, 2vw, 2.5rem);
  border: 1px solid rgba(148, 163, 184, 0.16);
  box-shadow: 0 24px 45px rgba(15, 23, 42, 0.08);
}

.profile-form__intro .badge {
  border-radius: 999px;
}

.profile-form__intro h4 {
  font-weight: 700;
}

.profile-form__fields .form-label {
  font-weight: 600;
  color: #0f172a;
}

.visually-hidden {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.main-sidebar {
  background-color: #ffffff;
  border-right: 1px solid rgba(15, 23, 42, 0.05);
}

.main-sidebar .brand-link {
  border-bottom: 1px solid rgba(15, 23, 42, 0.05);
  font-weight: 700;
  letter-spacing: 0.02em;
}

.nav-sidebar > .nav-item > .nav-link {
  border-radius: 12px;
  margin-bottom: 0.35rem;
  color: var(--qr-muted);
  transition: background-color 0.2s ease, color 0.2s ease;
}

.nav-sidebar > .nav-item > .nav-link.active {
  background: linear-gradient(135deg, #4f46e5, #3b82f6);
  color: #ffffff;
  box-shadow: 0 10px 24px rgba(79, 70, 229, 0.35);
}

.main-header {
  background-color: #ffffff !important;
  border-bottom: 1px solid rgba(15, 23, 42, 0.05);
  backdrop-filter: blur(8px);
}

.btn-outline-secondary.rounded-pill {
  border-color: rgba(99, 102, 241, 0.4);
  color: #4f46e5;
}

.btn-outline-secondary.rounded-pill:hover {
  background-color: #4f46e5;
  color: #ffffff;
}

.login-box .btn,
.register-box .btn {
  box-shadow: none;
}

.table thead th {
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--qr-muted);
  background-color: #f9fbff;
  border-bottom: 0;
}

.table tbody td {
  vertical-align: middle;
  padding-top: 1rem;
  padding-bottom: 1rem;
}

/* Dark mode overrides */
body.dark-mode {
  background-color: #0f172a;
  color: #e2e8f0;
}

body.dark-mode .content-page {
  background-color: #0b1220;
}

body.dark-mode .card,
body.dark-mode .metric-card {
  background-color: #111b2c;
  color: #e2e8f0;
  border-color: rgba(148, 163, 184, 0.12);
  box-shadow: none;
}

body.dark-mode .metric-card:hover {
  box-shadow: 0 16px 34px rgba(15, 23, 42, 0.4);
}

body.dark-mode .icon-circle {
  background-color: rgba(96, 165, 250, 0.18);
  color: #60a5fa;
}

body.dark-mode .soft-alert {
  background-color: rgba(59, 130, 246, 0.18);
  border-color: rgba(59, 130, 246, 0.35);
  color: #bfdbfe;
}

body.dark-mode .main-header,
body.dark-mode .main-sidebar {
  background-color: #0b1220 !important;
  border-color: rgba(148, 163, 184, 0.12);
}

body.dark-mode .main-header .navbar-nav .nav-link,
body.dark-mode .main-header .navbar-nav .nav-link i {
  color: #f8fafc !important;
}

body.dark-mode .main-header .navbar-nav .nav-link {
  opacity: 0.92;
}

body.dark-mode .main-header .navbar-nav .nav-link:hover,
body.dark-mode .main-header .navbar-nav .nav-link:focus {
  color: #ffffff !important;
  opacity: 1;
}

body.dark-mode .main-sidebar .brand-link,
body.dark-mode .main-sidebar .brand-link span {
  color: #f8fafc !important;
}

body.dark-mode .main-sidebar .user-panel .info,
body.dark-mode .main-sidebar .user-panel .info a {
  color: #e0e7ff !important;
}

body.dark-mode .nav-sidebar > .nav-item > .nav-link {
  color: #cbd5f5;
}

body.dark-mode .nav-sidebar > .nav-item > .nav-link.active {
  background: linear-gradient(135deg, #38bdf8, #6366f1);
  box-shadow: 0 14px 35px rgba(99, 102, 241, 0.45);
}

body.dark-mode a,
body.dark-mode .link-primary {
  color: #93c5fd;
}

body.dark-mode .btn-outline-secondary.rounded-pill {
  border-color: rgba(148, 163, 184, 0.4);
  color: #cbd5f5;
}

body.dark-mode .btn-outline-secondary.rounded-pill:hover {
  background-color: #6366f1;
  color: #ffffff;
}

body.dark-mode .table thead th {
  background-color: rgba(15, 23, 42, 0.8);
  color: #94a3b8;
}

:root {
  --qr-primary: #4f46e5;
  --qr-primary-alt: #3b82f6;
}

body.dark-mode {
  color: #f8fafc;
}

body.dark-mode .text-muted {
  color: #cbd5f5 !important;
}

body.dark-mode .text-body-secondary {
  color: #cbd5f5 !important;
}

body.dark-mode .form-label,
body.dark-mode label {
  color: #e2e8f0;
}

body.dark-mode .form-control,
body.dark-mode .form-select {
  background-color: rgba(15, 23, 42, 0.7);
  border-color: rgba(148, 163, 184, 0.18);
  color: #f8fafc;
}

body.dark-mode .form-control::placeholder {
  color: rgba(148, 163, 184, 0.65);
}

body.dark-mode .btn-outline-primary {
  border-color: rgba(148, 163, 184, 0.45);
  color: #e0e7ff;
}

body.dark-mode .btn-outline-primary:hover,
body.dark-mode .btn-outline-primary:focus {
  border-color: rgba(148, 163, 184, 0.65);
  background-color: rgba(99, 102, 241, 0.2);
  color: #ffffff;
}

body.dark-mode .upload-dropzone {
  border-color: rgba(99, 102, 241, 0.45);
  background-color: rgba(30, 41, 59, 0.65);
}

body.dark-mode .upload-dropzone:hover,
body.dark-mode .upload-dropzone:focus-within {
  border-color: rgba(96, 165, 250, 0.65);
  background-color: rgba(46, 60, 87, 0.85);
}

body.dark-mode .upload-dropzone.is-dragover {
  border-color: rgba(96, 165, 250, 0.85);
  background-color: rgba(37, 53, 82, 0.95);
}

body.dark-mode .upload-dropzone__text strong {
  color: #f8fafc;
}

body.dark-mode .upload-dropzone__text p {
  color: #cbd5f5;
}

body.dark-mode .upload-dropzone .upload-dropzone__icon {
  background: rgba(96, 165, 250, 0.2);
  color: #93c5fd;
}

body.dark-mode .upload-result .card-header {
  background-color: rgba(34, 197, 94, 0.18);
}

body.dark-mode .upload-result .card-header h5 {
  color: #bbf7d0;
}

.auth-wrapper {
  min-height: 100vh;
  background: radial-gradient(circle at 20% 20%, rgba(99, 102, 241, 0.12), transparent 45%),
              radial-gradient(circle at 80% 0%, rgba(59, 130, 246, 0.08), transparent 40%),
              #f4f6f9;
  display: flex;
  align-items: center;
  padding: 4rem 0;
}

.auth-card {
  border: none;
  border-radius: 24px;
  overflow: hidden;
  box-shadow: 0 30px 80px rgba(15, 23, 42, 0.08);
  background-color: var(--qr-surface);
}

.auth-card__hero {
  background: linear-gradient(135deg, #4f46e5, #3b82f6);
  color: #ffffff;
  padding: clamp(2.5rem, 3.5vw, 4rem);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 2rem;
}

.auth-card__badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  background-color: rgba(255, 255, 255, 0.2);
}

.auth-card__content {
  padding: clamp(2.25rem, 3vw, 3.25rem);
  background-color: inherit;
}

.auth-card__title {
  font-weight: 700;
  letter-spacing: -0.02em;
}

.auth-card__subtitle {
  color: var(--qr-muted);
}

.auth-form .form-label {
  font-size: 0.9rem;
  font-weight: 600;
  color: #1f2937;
}

.auth-form .input-group-text {
  border-radius: 14px 0 0 14px;
  border: 1px solid rgba(15, 23, 42, 0.08);
  background-color: #f8fafc;
  color: var(--qr-muted);
}

.auth-form .form-control {
  border-radius: 0 14px 14px 0;
  border-color: rgba(15, 23, 42, 0.08);
  padding: 0.85rem 1rem;
  font-size: 0.95rem;
  background-color: #ffffff;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.auth-form .form-control:focus {
  border-color: rgba(99, 102, 241, 0.6);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.18);
}

.auth-form .btn {
  border-radius: 14px;
  padding-block: 0.85rem;
  font-weight: 600;
  box-shadow: none;
}

.auth-form .input-group .btn {
  border-radius: 0 14px 14px 0;
  border: 1px solid rgba(15, 23, 42, 0.08);
  background-color: #ffffff;
  color: var(--qr-muted);
  transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease;
  border-left: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding-inline: 1rem;
}

.auth-form .input-group .btn:hover,
.auth-form .input-group .btn:focus {
  background-color: #eef2ff;
  color: var(--qr-primary);
  border-color: rgba(99, 102, 241, 0.5);
  box-shadow: none;
}

.auth-form .input-group .form-control:not(:last-child) {
  border-right: 0;
}

.auth-form .btn-primary {
  background: linear-gradient(135deg, var(--qr-primary), var(--qr-primary-alt));
  border: none;
}

.auth-form .btn-primary:hover,
.auth-form .btn-primary:focus {
  background: linear-gradient(135deg, var(--qr-primary-alt), var(--qr-primary));
}

.auth-form .btn-outline-primary {
  border-radius: 14px;
  border: 1px solid rgba(79, 70, 229, 0.4);
  color: var(--qr-primary);
}

.auth-form .btn-outline-primary:hover,
.auth-form .btn-outline-primary:focus {
  background: linear-gradient(135deg, rgba(79, 70, 229, 0.12), rgba(59, 130, 246, 0.2));
  border-color: rgba(59, 130, 246, 0.5);
  color: var(--qr-primary);
}

.auth-form .btn-outline-primary:active {
  transform: translateY(1px);
}

.auth-meta {
  font-size: 0.85rem;
  color: var(--qr-muted);
}

.auth-meta a {
  font-weight: 600;
}

.auth-credit {
  font-size: 0.8rem;
  color: var(--qr-muted);
}

.auth-credit a {
  font-weight: 600;
  color: inherit;
}

.auth-form .form-text {
  margin-top: 0.5rem;
  color: rgba(100, 116, 139, 0.9);
}

.auth-divider {
  position: relative;
  text-align: center;
  margin: 2rem 0;
  color: var(--qr-muted);
}

.auth-divider::before,
.auth-divider::after {
  content: "";
  position: absolute;
  top: 50%;
  width: 40%;
  height: 1px;
  background: rgba(100, 116, 139, 0.25);
}

.auth-divider::before {
  left: 0;
}

.auth-divider::after {
  right: 0;
}

body.dark-mode .auth-wrapper {
  background: radial-gradient(circle at 20% 20%, rgba(56, 189, 248, 0.18), transparent 45%),
              radial-gradient(circle at 80% 0%, rgba(79, 70, 229, 0.1), transparent 40%),
              #050a18;
}

body.dark-mode .auth-card {
  background-color: #101a2c;
  box-shadow: 0 30px 65px rgba(15, 23, 42, 0.45);
}

body.dark-mode .auth-card__hero {
  background: linear-gradient(135deg, #38bdf8, #6366f1);
}

body.dark-mode .auth-card__subtitle,
body.dark-mode .auth-meta,
body.dark-mode .auth-divider {
  color: #cbd5f5;
}

body.dark-mode .auth-form .form-label {
  color: #e2e8f0;
}

body.dark-mode .auth-form .input-group-text {
  background-color: rgba(30, 41, 59, 0.9);
  border-color: rgba(148, 163, 184, 0.22);
  color: #cbd5f5;
}

body.dark-mode .auth-form .form-control {
  background-color: rgba(15, 23, 42, 0.7);
  border-color: rgba(148, 163, 184, 0.18);
  color: #f8fafc;
}

body.dark-mode .auth-form .form-control::placeholder {
  color: rgba(148, 163, 184, 0.7);
}

body.dark-mode .auth-form .form-control:focus {
  border-color: rgba(96, 165, 250, 0.55);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.25);
}

body.dark-mode .auth-form .input-group .btn {
  background-color: rgba(30, 41, 59, 0.88);
  border-color: rgba(148, 163, 184, 0.24);
  color: #e2e8f0;
}

body.dark-mode .auth-form .input-group .btn:hover,
body.dark-mode .auth-form .input-group .btn:focus {
  background-color: rgba(99, 102, 241, 0.3);
  color: #f8fafc;
  border-color: rgba(96, 165, 250, 0.4);
}

body.dark-mode .auth-form .form-text {
  color: rgba(148, 163, 184, 0.9);
}

body.dark-mode .auth-form .btn-outline-primary {
  border-color: rgba(148, 163, 184, 0.45);
  color: #e0e7ff;
}

body.dark-mode .auth-form .btn-outline-primary:hover,
body.dark-mode .auth-form .btn-outline-primary:focus {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.25), rgba(14, 165, 233, 0.25));
  border-color: rgba(148, 163, 184, 0.65);
  color: #ffffff;
}

body.dark-mode .card .text-muted,
body.dark-mode .auth-card .text-muted {
  color: #dbeafe !important;
}

body.dark-mode .auth-credit {
  color: #cbd5f5;
}

body.dark-mode .auth-credit a {
  color: inherit;
}

body.dark-mode .profile-card {
  background-color: #0f182b;
  box-shadow: 0 28px 60px rgba(8, 15, 29, 0.65);
}

body.dark-mode .profile-summary {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.28), rgba(14, 165, 233, 0.22));
}

body.dark-mode .profile-meta-item {
  background: rgba(15, 23, 42, 0.78);
  box-shadow: 0 18px 28px rgba(8, 15, 29, 0.55);
}

body.dark-mode .profile-meta-label {
  color: rgba(226, 232, 240, 0.65);
}

body.dark-mode .profile-meta-value {
  color: #f8fafc;
}

body.dark-mode .profile-upload-hint {
  color: rgba(226, 232, 240, 0.7);
}

body.dark-mode .profile-form {
  background: rgba(15, 23, 42, 0.75);
  border-color: rgba(148, 163, 184, 0.22);
  box-shadow: 0 28px 60px rgba(8, 15, 29, 0.6);
}

body.dark-mode .profile-form__fields .form-label,
body.dark-mode .profile-form__intro p {
  color: #e2e8f0;
}

body.dark-mode .profile-form__intro .badge {
  background-color: rgba(148, 163, 184, 0.24) !important;
  color: #f8fafc !important;
}

body.dark-mode .profile-form .form-text {
  color: rgba(148, 163, 184, 0.8);
}

body.dark-mode .profile-avatar-btn {
  background: rgba(15, 23, 42, 0.95);
}

.swal2-popup {
  border-radius: 22px !important;
}

.swal2-popup .swal2-styled.swal2-confirm {
  border-radius: 999px;
  background: linear-gradient(135deg, #4f46e5, #3b82f6);
  box-shadow: none;
}

.swal2-popup--compact {
  padding: 1.75rem 1.5rem !important;
}