/* ===== Responsive Design ===== */

/* Ультра широкие мониторы (2560px и больше) */
@media (min-width: 2560px) {
  .container {
    max-width: 600px;
  }
  
  .title {
    font-size: 3.2rem;
  }
  
  .subtitle {
    font-size: 1.3rem;
  }
  
  .url-card {
    padding: 2.5rem;
    border-radius: 24px;
  }
  
  .nav-container {
    padding: 0 2rem;
  }
  
  .logo {
    font-size: 1.8rem;
  }
  
  .logo i {
    font-size: 2.2rem;
  }
}

/* Большие десктопы (1601px - 1920px) */
@media (min-width: 1601px) and (max-width: 1919px) {
  .container {
    max-width: 580px;
  }
  
  .title {
    font-size: 3rem;
  }
  
  .subtitle {
    font-size: 1.25rem;
  }
  
  .url-card {
    padding: 2.25rem;
    border-radius: 22px;
  }
  
  .nav-container {
    padding: 0 1.75rem;
  }
}

/* Средние десктопы (1440px - 1600px) */
@media (min-width: 1440px) and (max-width: 1600px) {
  .container {
    max-width: 460px;
  }
  
  .title {
    font-size: 2.4rem;
  }
  
  .subtitle {
    font-size: 0.98rem;
  }
  
  .url-card {
    padding: 2rem;
    border-radius: 20px;
  }
}

/* Стандартные десктопы (1280px - 1439px) */
@media (min-width: 1280px) and (max-width: 1439px) {
  .container {
    max-width: 520px;
  }
  
  .title {
    font-size: 2.2rem;
  }
  
  .subtitle {
    font-size: 0.88rem;
  }
  
  .url-card {
    padding: 1.25rem;
  }
}

/* Маленькие десктопы (1025px - 1279px) */
@media (min-width: 1025px) and (max-width: 1279px) {
  .container {
    max-width: 500px;
  }
  
  .title {
    font-size: 2.4rem;
  }
  
  .subtitle {
    font-size: 1.1rem;
  }
  
  .nav-container {
    padding: 0 1.5rem;
  }
}

/* Планшеты горизонтально (835px - 1024px) */
@media (min-width: 835px) and (max-width: 1024px) {
  :root {
    --content-max-width: 90%;
  }
  
  .container {
    max-width: 480px;
  }
  
  .title {
    font-size: 2.3rem;
  }
  
  .subtitle {
    font-size: 1.05rem;
  }
  
  .url-card {
    padding: 1.5rem;
  }
  
  .nav-container {
    padding: 0 1.25rem;
  }
  
  .logo {
    font-size: 1.4rem;
  }
  
  .logo i {
    font-size: 1.6rem;
  }
}

/* Планшеты вертикально (769px - 834px) */
@media (min-width: 769px) and (max-width: 834px) {
  :root {
    --header-height: 55px;
    --content-max-width: 95%;
  }
  
  .container {
    max-width: 450px;
  }
  
  .title {
    font-size: 2.2rem;
  }
  
  .title::after {
    animation: underlineExpandMobile 1s ease-out 2s forwards;
    bottom: -5px;
  }
  
  .subtitle {
    font-size: 1rem;
  }
  
  .url-card {
    padding: 1.4rem;
    border-radius: 18px;
  }
  
  .nav-container {
    padding: 0 1rem;
  }
  
  .result {
    padding: 1.2rem;
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 60px;
    --content-max-width: 100%;
  }
  
  .nav-container {
    padding: 0 1rem;
  }
  
  .logo {
    font-size: 1.3rem;
  }
  
  .logo i {
    font-size: 1.5rem;
  }
  
  .nav-menu {
    display: none;
  }
  
  .main-content {
    padding: 1rem;
  }
  
  .title {
    font-size: 2.2rem;
  }
  
  .title::after {
    animation: underlineExpandMobile 1s ease-out 2s forwards;
    bottom: -6px;
  }
  
  .subtitle {
    font-size: 1rem;
  }
  
  .url-card {
    padding: 1.25rem;
    border-radius: var(--radius-lg);
  }
  
  .input-group {
    flex-direction: column;
    gap: 0.8rem;
  }
  
  .submit-btn {
    width: 100%;
    min-width: auto;
  }
  
  .result {
    padding: 1.25rem;
  }
  
  .copy-btn {
    width: 100%;
    justify-content: center;
  }
  
  .particle {
    display: none;
  }
  
  .loading-logo {
    flex-direction: column;
    gap: 0.5rem;
    text-align: center;
  }
  
  .loading-logo-text {
    font-size: 1.8rem;
  }
  
  .original-link {
    font-size: 0.85rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
  
  .short-link {
    font-size: 0.9rem;
    word-break: break-all;
  }
}

/* Мобильные горизонтально (569px - 768px) */
@media (min-width: 569px) and (max-width: 768px) {
  .container {
    max-width: 500px;
  }
  
  .title {
    font-size: 2.1rem;
  }
  
  .subtitle {
    font-size: 0.98rem;
  }
  
  .url-card {
    padding: 1.3rem;
  }
  
  .original-link {
    font-size: 0.9rem;
  }
  
  .short-link {
    font-size: 0.95rem;
  }
}

/* Маленькие мобильные (391px - 480px) */
@media (max-width: 480px) and (min-width: 391px) {
  :root {
    --header-height: 55px;
  }
  
  .container {
    max-width: 420px;
  }
  
  .title {
    font-size: 1.9rem;
  }
  
  .title::after {
    bottom: -5px;
  }
  
  .subtitle {
    font-size: 0.95rem;
  }
  
  .url-card {
    padding: 1.15rem;
    border-radius: 16px;
  }
  
  .nav-container {
    padding: 0 0.8rem;
  }
  
  .logo {
    font-size: 1.2rem;
  }
  
  .logo i {
    font-size: 1.4rem;
  }
  
  .loading-logo-text {
    font-size: 1.6rem;
  }
  
  .original-link {
    font-size: 0.82rem;
  }
  
  .short-link {
    font-size: 0.88rem;
  }
}

/* Маленькие мобильные (361px - 390px) */
@media (max-width: 390px) and (min-width: 361px) {
  .container {
    max-width: 380px;
  }
  
  .title {
    font-size: 1.8rem;
  }
  
  .subtitle {
    font-size: 0.92rem;
  }
  
  .url-card {
    padding: 1.1rem;
    border-radius: 15px;
  }
  
  .result {
    padding: 1.1rem;
  }
  
  .loading-logo-text {
    font-size: 1.5rem;
  }
  
  .original-link {
    font-size: 0.8rem;
  }
  
  .short-link {
    font-size: 0.85rem;
  }
}

/* Очень маленькие устройства (320px - 360px) */
@media (max-width: 360px) and (min-width: 320px) {
  :root {
    --header-height: 50px;
  }
  
  .container {
    max-width: 340px;
  }
  
  .main-content {
    padding: 0.8rem;
  }
  
  .title {
    font-size: 1.7rem;
  }
  
  .title::after {
    bottom: -4px;
  }
  
  .subtitle {
    font-size: 0.9rem;
    margin-bottom: 1rem;
  }
  
  .url-card {
    padding: 1rem;
    border-radius: 14px;
  }
  
  .nav-container {
    padding: 0 0.7rem;
  }
  
  .logo {
    font-size: 1.1rem;
  }
  
  .logo i {
    font-size: 1.3rem;
  }
  
  .result {
    padding: 1rem;
  }
  
  .loading-logo-text {
    font-size: 1.4rem;
  }
  
  .original-link {
    font-size: 0.78rem;
  }
  
  .short-link {
    font-size: 0.82rem;
  }
  
  .input-group {
    gap: 0.6rem;
  }
}

/* Меньше 320px (экстремально маленькие) */
@media (max-width: 319px) {
  .container {
    max-width: 300px;
  }
  
  .main-content {
    padding: 0.6rem;
  }
  
  .title {
    font-size: 1.6rem;
    margin-bottom: 0.5rem;
  }
  
  .subtitle {
    font-size: 0.85rem;
    margin-bottom: 0.8rem;
  }
  
  .url-card {
    padding: 0.9rem;
    border-radius: 12px;
  }
  
  .nav-container {
    padding: 0 0.6rem;
  }
  
  .logo {
    font-size: 1rem;
  }
  
  .logo i {
    font-size: 1.2rem;
  }
  
  .result {
    padding: 0.9rem;
  }
  
  .loading-logo-text {
    font-size: 1.3rem;
  }
  
  .original-link {
    font-size: 0.75rem;
  }
  
  .short-link {
    font-size: 0.8rem;
  }
  
  .footer {
    padding: 0.8rem 0;
  }
}

/* iPad Pro 12.9" (1024x1366) */
@media (width: 1024px) and (height: 1366px) {
  .container {
    max-width: 550px;
  }
  
  .title {
    font-size: 2.8rem;
  }
  
  .subtitle {
    font-size: 1.25rem;
  }
  
  .url-card {
    padding: 2rem;
  }
}

/* iPad Pro горизонтально (1366x1024) */
@media (width: 1366px) and (height: 1024px) {
  .container {
    max-width: 600px;
  }
  
  .title {
    font-size: 3rem;
  }
  
  .url-card {
    padding: 2.2rem;
  }
}

/* Широкоформатные мониторы 21:9 (3440x1440) */
@media (min-width: 3440px) and (min-aspect-ratio: 21/9) {
  .container {
    max-width: 650px;
  }
  
  .title {
    font-size: 3.5rem;
  }
  
  .subtitle {
    font-size: 1.4rem;
  }
  
  .url-card {
    padding: 3rem;
    border-radius: 28px;
  }
}

/* Очень низкие экраны в ландшафте (до 450px высоты) */
@media (max-height: 450px) and (orientation: landscape) {
  .main-content {
    padding: 0.5rem;
  }
  
  .title {
    font-size: 1.8rem;
    margin-bottom: 0.3rem;
  }
  
  .subtitle {
    margin-bottom: 0.8rem;
    font-size: 0.85rem;
  }
  
  .url-card {
    padding: 0.8rem;
    margin-bottom: 0.8rem;
  }
  
  .input-group {
    gap: 0.5rem;
  }
  
  .result {
    padding: 0.8rem;
  }
  
  .footer {
    padding: 0.6rem 0;
  }
}

/* ===== Performance Optimizations ===== */
@media (prefers-reduced-transparency: reduce) {
  .navbar,
  .url-card,
  .result-box {
    backdrop-filter: none;
    background: var(--bg-secondary);
  }
}

/* ===== Touch Device Optimizations ===== */
@media (hover: none) and (pointer: coarse) {
  .url-card:hover {
    transform: none;
  }
  
  .submit-btn:hover,
  .copy-btn:hover {
    transform: none;
  }
  
  .result-box:hover {
    transform: none;
  }
  
  /* Увеличиваем зону клика для сенсорных устройств */
  .submit-btn,
  .copy-btn {
    min-height: 48px;
  }
  
  .url-input {
    min-height: 48px;
    font-size: 16px; /* Предотвращаем увеличение в iOS */
  }
}

/* ===== Portrait/Landscape Orientation ===== */
@media (orientation: portrait) {
  .main-content {
    padding: 1rem;
  }
  
  .title {
    font-size: 2rem;
  }
  
  .url-card {
    padding: 1.5rem;
  }
}

@media (orientation: landscape) and (max-height: 600px) {
  .main-content {
    padding: 0.5rem;
  }
  
  .title {
    font-size: 2rem;
    margin-bottom: 0.5rem;
  }
  
  .subtitle {
    margin-bottom: 1rem;
    font-size: 0.9rem;
  }
  
  .url-card {
    padding: 1rem;
    margin-bottom: 1rem;
  }
  
  .footer {
    padding: 1rem 0;
  }
}

/* Квадратные экраны (например, 1:1 соотношение) */
@media (max-aspect-ratio: 1/1) and (max-width: 600px) {
  .container {
    max-width: 400px;
  }
  
  .title {
    font-size: 1.8rem;
  }
  
  .url-card {
    padding: 1.2rem;
  }
}

/* ===== High DPI Screens ===== */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
  .logo i {
    font-size: 2rem;
  }
  
  .title {
    text-shadow: 0 6px 30px rgba(255, 38, 92, 0.4);
  }
}

/* Retina дисплеи 3x */
@media (-webkit-min-device-pixel-ratio: 3), (min-resolution: 288dpi) {
  .logo i {
    font-size: 2.2rem;
  }
  
  .title {
    text-shadow: 0 8px 40px rgba(255, 38, 92, 0.5);
  }
}

/* Высокая контрастность */
@media (prefers-contrast: high) {
  .url-card,
  .result-box {
    border: 2px solid var(--primary-color);
  }
  
  .submit-btn,
  .copy-btn {
    border: 2px solid var(--primary-color);
  }
  
  .title,
  .subtitle {
    text-shadow: 0 0 1px var(--primary-color);
  }
}

/* Режим экономии данных */
@media (prefers-reduced-data: reduce) {
  .particle {
    display: none;
  }
  
  * {
    transition-duration: 0.1s !important;
    animation-duration: 0.2s !important;
  }
}

/* Темная тема системы */
@media (prefers-color-scheme: dark) {
  .url-card,
  .result-box {
    background-color: rgba(30, 30, 30, 0.95);
  }
}

/* Светлая тема системы */
@media (prefers-color-scheme: light) {
  .url-card,
  .result-box {
    background-color: rgba(255, 255, 255, 0.95);
    color: #222;
  }
  
  .title,
  .subtitle {
    color: #222;
  }
}

/* ===== Reduced Motion ===== */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  .particle {
    animation: none !important;
    opacity: 0.1;
  }
  
  .title::after {
    animation: none !important;
    width: 80px;
    opacity: 1;
  }
}

/* Плавные переходы для контейнера и карточек */
.container,
.url-card,
.result-box,
.submit-btn,
.copy-btn {
  transition: all 0.3s ease;
}

/* Анимации */
@keyframes underlineExpandMobile {
  0% {
    width: 0;
    opacity: 0;
  }
  100% {
    width: 80px;
    opacity: 1;
  }
}