* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
}

:root {
  --primary: #0066ff;
  --primary-dark: #004bbb;
  --primary-light: rgba(112, 224, 255, 0.15);
  --dark: #ffffff;
  --darker: #0f1a26;
  --light: #f5f7fb;
  --white: #ffffff;
  --gray-100: #f8fafc;
  --gray-200: #e2e8f0;
  --gray-400: #ffffff;
  --gray-500: #000000;
  --gray-600: #475569;
  --gray-800: #1e293b;
  --error: #d32f2f;
  --error-bg: #ffebee;
  --success: #2e7d32;
  --success-bg: #e8f5e9;
  --info: #0d47a1;
  --info-bg: #e3f2fd;
  --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 8px 18px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 30px 50px rgba(0, 0, 0, 0.6);
  --radius-sm: 12px;
  --radius-md: 16px;
  --radius-lg: 20px;
  --radius-xl: 30px;
  --radius-2xl: 44px;
  --transition: all 0.25s ease;
}

body {
  background: linear-gradient(145deg, var(--dark) 0%, var(--darker) 100%);
  min-height: 100vh;
}

.desktop-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0;
  min-height: 100vh;
  background: var(--light);
  box-shadow: 0 0 50px rgba(0, 0, 0, 0.3);
}

.nav {
  background: var(--white);
  padding: 16px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-sm);
  flex-wrap: wrap;
  gap: 12px;
}

.nav-logo {
  font-size: 28px;
  font-weight: 800;
  color: #0f3b5e;
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
}

.nav-logo span {
  background: var(--primary);
  color: var(--white);
  padding: 6px 16px;
  border-radius: var(--radius-xl);
  font-size: 18px;
  transition: var(--transition);
}

.nav-logo:hover span {
  background: var(--primary-dark);
  transform: scale(1.05);
}

.nav-links {
  display: flex;
  gap: 16px;
  align-items: center;
  flex-wrap: wrap;
}

.nav-link {
  color: var(--gray-600);
  text-decoration: none;
  font-weight: 600;
  font-size: 15px;
  padding: 8px 16px;
  border-radius: var(--radius-xl);
  transition: var(--transition);
}

.nav-link:hover {
  background: var(--gray-100);
  color: var(--primary);
}

.nav-link.active {
  background: var(--primary);
  color: var(--white);
}

.btn-nav {
  background: var(--primary);
  color: var(--white);
  padding: 10px 20px;
  border-radius: var(--radius-xl);
  text-decoration: none;
  font-weight: 700;
  font-size: 15px;
  transition: var(--transition);
  border: none;
  cursor: pointer;
}

.btn-nav:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-orange);
}

.btn-nav-outline {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
  padding: 8px 18px;
}

.btn-nav-outline:hover {
  background: var(--primary);
  color: var(--white);
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  font-size: 28px;
  cursor: pointer;
  color: var(--gray-800);
  padding: 8px;
}

.mobile-menu {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 200;
  animation: fadeIn 0.3s ease;
}

.mobile-menu.active {
  display: block;
}

.mobile-menu-content {
  background: var(--white);
  width: 80%;
  max-width: 320px;
  height: 100%;
  padding: 24px;
  animation: slideInLeft 0.3s ease;
}

.mobile-menu-close {
  float: right;
  background: none;
  border: none;
  font-size: 28px;
  cursor: pointer;
  margin-bottom: 24px;
}

.mobile-menu-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.hero {
  background: linear-gradient(135deg, var(--dark) 0%, var(--darker) 100%);
  color: var(--white);
  padding: 60px 24px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(
    circle,
    rgba(0, 34, 255, 0.1) 0%,
    transparent 70%
  );
}

@keyframes rotate {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

.hero h1 {
  font-size: 48px;
  font-weight: 800;
  margin-bottom: 16px;
  position: relative;
  z-index: 1;
}

.hero h1 span {
  color: var(--primary);
}

.hero p {
  font-size: 20px;
  color: var(--gray-400);
  max-width: 600px;
  margin: 0 auto 32px;
  position: relative;
  z-index: 1;
  line-height: 1.6;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  position: relative;
  z-index: 1;
}

.btn-hero {
  background: var(--primary);
  color: var(--white);
  padding: 16px 32px;
  border-radius: var(--radius-xl);
  text-decoration: none;
  font-weight: 700;
  font-size: 18px;
  transition: var(--transition);
  border: none;
  cursor: pointer;
  display: inline-block;
}

.btn-hero:hover {
  background: var(--primary-dark);
  transform: translateY(-3px);
  box-shadow: 0 12px 24px rgba(79, 231, 255, 0.4);
}

.btn-hero-outline {
  background: transparent;
  border: 2px solid var(--white);
  color: var(--white);
  padding: 14px 30px;
  border-radius: var(--radius-xl);
  text-decoration: none;
  font-weight: 700;
  font-size: 18px;
  transition: var(--transition);
}

.btn-hero-outline:hover {
  background: var(--white);
  color: var(--dark);
  transform: translateY(-3px);
}

.about-section {
  padding: 60px 24px;
  background: var(--white);
}

.section-title {
  text-align: center;
  font-size: 36px;
  font-weight: 800;
  color: var(--gray-800);
  margin-bottom: 16px;
}

.section-subtitle {
  text-align: center;
  font-size: 18px;
  color: var(--gray-500);
  margin-bottom: 48px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  max-width: 1000px;
  margin: 0 auto;
}

.feature-card {
  background: var(--gray-100);
  padding: 32px 24px;
  border-radius: var(--radius-lg);
  text-align: center;
  transition: var(--transition);
  animation: fadeInUp 0.6s ease;
}

.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-md);
}

.feature-icon {
  font-size: 48px;
  margin-bottom: 16px;
  display: block;
}

.feature-card h3 {
  font-size: 20px;
  color: var(--gray-800);
  margin-bottom: 12px;
}

.feature-card p {
  color: var(--gray-500);
  line-height: 1.6;
}

.advantages-section {
  padding: 60px 24px;
  background: var(--gray-100);
}

.advantages-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
  max-width: 1000px;
  margin: 0 auto;
}

.advantage-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px;
  background: var(--white);
  border-radius: var(--radius-md);
  transition: var(--transition);
}

.advantage-item:hover {
  box-shadow: var(--shadow-sm);
  transform: translateX(5px);
}

.advantage-number {
  background: var(--primary);
  color: var(--white);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 18px;
  flex-shrink: 0;
}

.advantage-text h4 {
  font-size: 16px;
  color: var(--gray-800);
  margin-bottom: 4px;
}

.advantage-text p {
  font-size: 14px;
  color: var(--gray-500);
  line-height: 1.5;
}

.gallery-section {
  padding: 60px 24px;
  background: var(--white);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
  max-width: 1200px;
  margin: 0 auto;
}

.gallery-item {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  aspect-ratio: 4/3;
  transition: var(--transition);
}

.gallery-item:hover {
  transform: scale(1.03);
  box-shadow: var(--shadow-md);
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

.gallery-item:hover img {
  transform: scale(1.1);
}

.gallery-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.7));
  color: var(--white);
  padding: 20px;
  opacity: 0;
  transition: var(--transition);
}

.gallery-item:hover .gallery-overlay {
  opacity: 1;
}

.gallery-overlay h4 {
  font-size: 18px;
  margin-bottom: 4px;
}

.gallery-overlay p {
  font-size: 14px;
  opacity: 0.9;
}

.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.9);
  z-index: 300;
  justify-content: center;
  align-items: center;
  animation: fadeIn 0.3s ease;
}

.modal.active {
  display: flex;
}

.modal img {
  max-width: 90%;
  max-height: 90vh;
  border-radius: var(--radius-md);
  animation: zoomIn 0.3s ease;
}

.modal-close {
  position: absolute;
  top: 20px;
  right: 30px;
  color: var(--white);
  font-size: 40px;
  cursor: pointer;
  transition: var(--transition);
}

.modal-close:hover {
  color: var(--primary);
  transform: scale(1.2);
}

.modal-prev,
.modal-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255, 255, 255, 0.2);
  color: var(--white);
  border: none;
  font-size: 40px;
  padding: 16px;
  cursor: pointer;
  border-radius: 50%;
  transition: var(--transition);
}

.modal-prev:hover,
.modal-next:hover {
  background: rgba(255, 255, 255, 0.4);
}

.modal-prev {
  left: 20px;
}

.modal-next {
  right: 20px;
}

.cta-section {
  padding: 60px 24px;
  background: linear-gradient(135deg, var(--dark) 0%, var(--darker) 100%);
  color: var(--white);
  text-align: center;
}

.cta-section h2 {
  font-size: 36px;
  margin-bottom: 16px;
}

.cta-section p {
  font-size: 18px;
  color: var(--gray-400);
  margin-bottom: 32px;
}

.footer {
  background: var(--darker);
  color: var(--gray-400);
  padding: 40px 24px;
  text-align: center;
}

.footer-content {
  max-width: 1000px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 32px;
  text-align: left;
}

.footer-column h4 {
  color: var(--white);
  margin-bottom: 16px;
  font-size: 18px;
}

.footer-column a {
  color: var(--gray-400);
  text-decoration: none;
  display: block;
  margin-bottom: 8px;
  transition: var(--transition);
}

.footer-column a:hover {
  color: var(--primary);
}

.footer-bottom {
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
}

.auth-container {
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 20px;
}

.auth-card {
  background: var(--white);
  border-radius: var(--radius-2xl);
  padding: 40px;
  width: 100%;
  max-width: 440px;
  box-shadow: var(--shadow-lg);
  animation: fadeInUp 0.5s ease;
}

.auth-logo {
  font-size: 32px;
  font-weight: 800;
  color: #0f3b5e;
  text-align: center;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.auth-logo span {
  background: var(--primary);
  color: var(--white);
  padding: 4px 14px;
  border-radius: var(--radius-xl);
  font-size: 20px;
}

.subtitle {
  text-align: center;
  color: var(--gray-500);
  margin-bottom: 32px;
  font-size: 15px;
}

.input-group {
  margin-bottom: 18px;
  position: relative;
}

label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--gray-800);
  margin-bottom: 6px;
  letter-spacing: 0.3px;
}

input,
select,
textarea {
  width: 100%;
  padding: 14px 16px;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-md);
  font-size: 15px;
  transition: var(--transition);
  outline: none;
  background: var(--gray-100);
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-light);
  background: var(--white);
}

input.error {
  border-color: var(--error);
  box-shadow: 0 0 0 3px rgba(211, 47, 47, 0.1);
  animation: shake 0.5s ease;
}

textarea {
  resize: vertical;
  min-height: 80px;
  font-family: inherit;
}

.btn {
  width: 100%;
  padding: 16px;
  background: var(--primary);
  border: none;
  border-radius: var(--radius-xl);
  color: var(--white);
  font-weight: 700;
  font-size: 17px;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: var(--shadow-orange);
  letter-spacing: 0.4px;
  margin-top: 20px;
}

.btn:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 12px 24px rgba(255, 107, 53, 0.4);
}

.btn:active {
  transform: scale(0.96);
}

.error-message {
  color: var(--error);
  font-size: 12px;
  margin-top: 5px;
  display: none;
  align-items: center;
  gap: 4px;
}

.error-message.show {
  display: flex;
  animation: fadeIn 0.3s ease;
}

.auth-error {
  background: var(--error-bg);
  color: var(--error);
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  margin-top: 16px;
  display: none;
  animation: fadeIn 0.3s;
  text-align: center;
  font-weight: 500;
}

.link-text {
  text-align: center;
  margin-top: 22px;
  color: var(--gray-600);
  font-size: 14px;
}

.link-text a {
  color: var(--primary);
  font-weight: 700;
  text-decoration: none;
  transition: color 0.2s;
}

.link-text a:hover {
  color: var(--primary-dark);
}

.dashboard {
  max-width: 800px;
  margin: 0 auto;
  padding: 24px;
}

.dashboard-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
  flex-wrap: wrap;
  gap: 12px;
}

.dashboard-title {
  font-size: 28px;
  font-weight: 700;
  color: var(--gray-800);
}

.card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 20px;
  margin-bottom: 16px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  animation: slideIn 0.3s ease;
}

.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 12px;
  flex-wrap: wrap;
  gap: 8px;
}

.status {
  display: inline-block;
  padding: 4px 12px;
  border-radius: var(--radius-xl);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.3px;
}

.status-new {
  background: var(--info-bg);
  color: var(--info);
}

.status-confirmed {
  background: var(--success-bg);
  color: var(--success);
}

.status-rejected {
  background: var(--error-bg);
  color: var(--error);
}

.fab {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 56px;
  height: 56px;
  background: var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  color: var(--white);
  box-shadow: 0 8px 20px rgba(255, 107, 53, 0.5);
  transition: var(--transition);
  cursor: pointer;
  text-decoration: none;
  z-index: 99;
  animation: pulse 2s infinite;
}

.fab:hover {
  transform: scale(1.1);
  box-shadow: 0 12px 28px rgba(255, 107, 53, 0.6);
}

.fab:active {
  transform: scale(0.9);
}

.admin-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 16px;
  margin-bottom: 12px;
  box-shadow: var(--shadow-sm);
  animation: slideIn 0.3s ease;
}

.search-box {
  margin-bottom: 20px;
}

.search-box input {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-md);
  font-size: 15px;
}

.status-select {
  margin-top: 8px;
  padding: 10px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--gray-200);
  background: var(--gray-100);
  font-size: 14px;
  width: 100%;
  margin-bottom: 8px;
}

.btn-sm {
  background: var(--primary);
  border: none;
  color: var(--white);
  padding: 8px 16px;
  border-radius: var(--radius-xl);
  cursor: pointer;
  font-weight: 600;
  transition: var(--transition);
  font-size: 14px;
}

.btn-sm:hover {
  background: var(--primary-dark);
}

.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--gray-500);
  animation: fadeIn 0.5s ease;
}

.empty-state-icon {
  font-size: 48px;
  margin-bottom: 16px;
}

.loading-spinner {
  width: 40px;
  height: 40px;
  border: 4px solid var(--gray-200);
  border-top: 4px solid var(--primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 40px auto;
}

.notification {
  position: fixed;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  color: var(--white);
  padding: 12px 24px;
  border-radius: 25px;
  font-weight: 500;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  z-index: 1000;
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateX(-20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInLeft {
  from {
    transform: translateX(-100%);
  }
  to {
    transform: translateX(0);
  }
}

@keyframes pulse {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
  100% {
    transform: scale(1);
  }
}

@keyframes shake {
  0%,
  100% {
    transform: translateX(0);
  }
  25% {
    transform: translateX(-5px);
  }
  75% {
    transform: translateX(5px);
  }
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

@keyframes zoomIn {
  from {
    transform: scale(0.8);
    opacity: 0;
  }
  to {
    transform: scale(1);
    opacity: 1;
  }
}

@media (max-width: 768px) {
  .desktop-container {
    box-shadow: none;
  }

  .nav-links {
    display: none;
  }

  .mobile-menu-btn {
    display: block;
  }

  .hero h1 {
    font-size: 32px;
  }

  .hero p {
    font-size: 16px;
  }

  .section-title {
    font-size: 28px;
  }

  .features-grid,
  .advantages-list {
    grid-template-columns: 1fr;
  }

  .gallery-grid {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  }

  .auth-card {
    padding: 24px;
    border-radius: var(--radius-xl);
  }

  .dashboard {
    padding: 16px;
  }

  .fab {
    bottom: 20px;
    right: 20px;
  }

  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero {
    padding: 40px 16px;
  }

  .hero h1 {
    font-size: 26px;
  }

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

  .btn-hero,
  .btn-hero-outline {
    width: 100%;
    text-align: center;
  }

  .gallery-grid {
    grid-template-columns: 1fr;
  }

  .modal-prev,
  .modal-next {
    font-size: 24px;
    padding: 12px;
  }
}