/* CSS Variables для легкой кастомизации */
:root {
    /* Pinterest Brand Colors */
    --pinterest-red: #E60023;
    --pinterest-light-red: #FF4742;
    --pinterest-dark-red: #AD081B;

    /* Extended Palette */
    --primary-color: #E60023;
    --primary-light: #FF4742;
    --primary-dark: #AD081B;
    --secondary-color: #111111;
    --accent-color: #00D082;
    --warning-color: #FFB800;
    --error-color: #FF4444;

    /* Neutral Colors */
    --white: #FFFFFF;
    --gray-50: #F8F9FA;
    --gray-100: #F1F3F5;
    --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-display: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
    --font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;

    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;

    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --radius-full: 50%;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.15);
    --shadow-glow: 0 0 40px rgba(230, 0, 35, 0.2);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 300ms ease;
    --transition-slow: 500ms ease;

    /* Z-index */
    --z-dropdown: 1000;
    --z-modal: 1050;
    --z-tooltip: 1100;
}

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

::before,
::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    line-height: 1.6;
    color: var(--gray-800);
    background: var(--gray-50);
    min-height: 100vh;
    overflow-x: hidden;
}

/* Анимированный фон */
.bg-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    background: linear-gradient(135deg,
        var(--gray-50) 0%,
        #FFFAF0 25%,
        #FFF0F5 50%,
        #F0FFF0 75%,
        var(--gray-50) 100%);
    background-size: 400% 400%;
    animation: gradientShift 20s ease infinite;
}

@keyframes gradientShift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

/* Плавающие элементы фона */
.floating-pin {
    position: absolute;
    font-size: 2rem;
    opacity: 0.1;
    animation: float 6s ease-in-out infinite;
    pointer-events: none;
}

.pin-1 {
    top: 10%;
    left: 10%;
    animation-delay: 0s;
}

.pin-2 {
    top: 20%;
    right: 15%;
    animation-delay: 1s;
}

.pin-3 {
    bottom: 30%;
    left: 20%;
    animation-delay: 2s;
}

.pin-4 {
    bottom: 20%;
    right: 10%;
    animation-delay: 3s;
}

.pin-5 {
    top: 50%;
    left: 50%;
    animation-delay: 4s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(180deg); }
}

/* Основной контейнер */
.container {
    max-width: 800px;
    margin: 0 auto;
    padding: var(--space-6);
    min-height: 100vh;
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
}

/* Хедер */
.header {
    text-align: center;
    margin-bottom: var(--space-16);
    position: relative;
}

.pinterest-logo {
    display: inline-flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-6);
    animation: logoFloat 3s ease-in-out infinite;
}

@keyframes logoFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-5px); }
}

.logo-circle {
    width: 60px;
    height: 60px;
    background: var(--pinterest-red);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-family: var(--font-display);
    font-size: 1.8rem;
    font-weight: bold;
    box-shadow: var(--shadow-lg);
    position: relative;
}

.logo-circle::before {
    content: '';
    position: absolute;
    inset: -3px;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, var(--pinterest-light-red), var(--pinterest-red));
    z-index: -1;
    opacity: 0.8;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.8; }
    50% { transform: scale(1.05); opacity: 0.4; }
}

.logo-text {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-900);
    letter-spacing: -0.02em;
}

.hero-content {
    margin-top: var(--space-8);
}

.main-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: var(--space-4);
}

.title-gradient {
    background: linear-gradient(135deg, var(--pinterest-red), var(--pinterest-light-red));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-block;
}

.title-sub {
    color: var(--gray-700);
    font-size: clamp(1.2rem, 3vw, 1.5rem);
    font-weight: 300;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--gray-600);
    max-width: 500px;
    margin: 0 auto;
    line-height: 1.7;
}

/* Основной контент */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: var(--space-6);
}

/* Карточки */
.download-card,
.progress-card,
.result-card,
.error-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 500px;
    position: relative;
    overflow: hidden;
    border: 1px solid var(--gray-200);
}

.download-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--pinterest-red), var(--pinterest-light-red));
}

.card-header {
    margin-bottom: var(--space-6);
}

.step-indicator {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.step-number {
    width: 32px;
    height: 32px;
    background: var(--pinterest-red);
    color: var(--white);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.9rem;
}

.step-text {
    font-size: 1rem;
    font-weight: 600;
    color: var(--gray-800);
}

/* Форма */
.download-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-8);
}

/* Улучшенная секция URL */
.url-section-enhanced {
    margin-bottom: var(--space-4);
}

.url-section-enhanced .input-container {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.url-section-enhanced .input-label {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-weight: 700;
    color: var(--gray-800);
    font-size: 1.1rem;
    margin-bottom: var(--space-1);
}

.url-section-enhanced .label-text {
    font-family: var(--font-display);
    letter-spacing: 0.5px;
}

.input-wrapper-enhanced {
    position: relative;
    display: flex;
    align-items: center;
    gap: 0;
}

.input-icon-left {
    position: absolute;
    left: var(--space-4);
    color: var(--gray-400);
    font-size: 1.2rem;
    z-index: 2;
    pointer-events: none;
}

.url-field-enhanced {
    flex: 1;
    padding: var(--space-5) var(--space-16) var(--space-5) var(--space-12);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-lg);
    font-size: 1rem;
    font-family: var(--font-body);
    font-weight: 500;
    transition: all var(--transition-normal);
    outline: none;
    background: var(--white);
    width: 100%;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.url-field-enhanced:focus {
    border-color: var(--pinterest-red);
    box-shadow: 0 0 0 4px rgba(230, 0, 35, 0.1), 0 4px 12px rgba(230, 0, 35, 0.08);
    transform: translateY(-1px);
}

.url-field-enhanced::placeholder {
    color: var(--gray-400);
    font-weight: 400;
}

.paste-button-enhanced {
    position: absolute;
    right: var(--space-2);
    top: 50%;
    transform: translateY(-50%);
    background: linear-gradient(135deg, var(--pinterest-red), var(--pinterest-light-red));
    border: none;
    border-radius: var(--radius-lg);
    padding: var(--space-3);
    cursor: pointer;
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    box-shadow: 0 4px 12px rgba(230, 0, 35, 0.2);
    z-index: 3;
}

.paste-button-enhanced:hover {
    background: linear-gradient(135deg, var(--pinterest-dark-red), var(--pinterest-red));
    transform: translateY(-50%) scale(1.05);
    box-shadow: 0 6px 16px rgba(230, 0, 35, 0.3);
}

.paste-button-enhanced:active {
    transform: translateY(-50%) scale(0.98);
}

.url-section-enhanced .input-helper {
    font-size: 0.875rem;
    color: var(--gray-500);
    margin-top: var(--space-2);
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.url-section-enhanced .input-helper::before {
    content: "ℹ";
    background: var(--gray-200);
    color: var(--gray-600);
    width: 18px;
    height: 18px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 600;
}

/* Улучшенная секция качества */
.quality-section-enhanced {
    margin-bottom: var(--space-4);
}

.quality-selector {
    display: flex;
    flex-direction: column;
    gap: var(--space-5);
}

.quality-header {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-2);
}

.quality-title {
    font-family: var(--font-display);
    font-weight: 700;
    color: var(--gray-800);
    font-size: 1.2rem;
    letter-spacing: 0.3px;
}

.quality-options-enhanced {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: var(--space-3);
}

.quality-option-enhanced {
    cursor: pointer;
    position: relative;
}

.quality-option-enhanced input[type="radio"] {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.quality-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--space-5) var(--space-3);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-xl);
    transition: all var(--transition-normal);
    background: var(--white);
    text-align: center;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    position: relative;
    overflow: hidden;
    min-height: 120px;
    justify-content: center;
}

.quality-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gray-200);
    transition: all var(--transition-normal);
}

.quality-option-enhanced input[type="radio"]:checked + .quality-card {
    border-color: var(--pinterest-red);
    background: linear-gradient(135deg, rgba(230, 0, 35, 0.03), rgba(255, 71, 66, 0.06));
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(230, 0, 35, 0.15);
}

.quality-option-enhanced input[type="radio"]:checked + .quality-card::before {
    background: linear-gradient(90deg, var(--pinterest-red), var(--pinterest-light-red));
    height: 4px;
}

.quality-option-enhanced input[type="radio"]:checked + .quality-card .quality-icon-wrapper {
    transform: scale(1.1);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
}

.quality-card:hover {
    border-color: var(--gray-300);
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.08);
}

.quality-icon-wrapper {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: var(--space-3);
    transition: all var(--transition-normal);
    position: relative;
}

.low-quality {
    background: linear-gradient(135deg, #e8f5e8, #d4edda);
    color: #155724;
}

.medium-quality {
    background: linear-gradient(135deg, #fff3cd, #ffeaa7);
    color: #856404;
}

.high-quality {
    background: linear-gradient(135deg, #d1ecf1, #bee5eb);
    color: #0c5460;
}

.quality-icon {
    font-size: 1.8rem;
    font-weight: bold;
}

.quality-info {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-1);
}

.quality-text {
    font-weight: 700;
    font-size: 1rem;
    color: var(--gray-800);
    font-family: var(--font-display);
}

.quality-desc {
    font-size: 0.8rem;
    color: var(--gray-600);
    font-weight: 500;
    text-align: center;
    line-height: 1.3;
}

/* Улучшенная кнопка загрузки */
.download-button-enhanced {
    background: linear-gradient(135deg, var(--pinterest-red), var(--pinterest-light-red));
    color: var(--white);
    border: none;
    padding: var(--space-6) var(--space-10);
    border-radius: var(--radius-xl);
    font-size: 1.2rem;
    font-weight: 700;
    font-family: var(--font-body);
    cursor: pointer;
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-4);
    box-shadow: 0 8px 24px rgba(230, 0, 35, 0.25);
    position: relative;
    overflow: hidden;
    min-height: 64px;
}

.button-glow {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at center, rgba(255, 255, 255, 0.3), transparent 70%);
    opacity: 0;
    transition: opacity var(--transition-normal);
    pointer-events: none;
}

.download-button-enhanced::before {
    content: '';
    position: absolute;
    top: 0;
    left: -150%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.2),
        rgba(255, 255, 255, 0.5),
        rgba(255, 255, 255, 0.2),
        transparent
    );
    transition: left 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1;
}

.download-button-enhanced:hover::before {
    left: 150%;
}

.download-button-enhanced:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(230, 0, 35, 0.35), var(--shadow-glow);
}

.download-button-enhanced:hover .button-glow {
    opacity: 1;
}

.download-button-enhanced:active {
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(230, 0, 35, 0.3);
}

.button-content {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    position: relative;
    z-index: 2;
}

.button-arrow {
    font-size: 1.4rem;
    font-weight: bold;
    transition: transform var(--transition-normal);
}

.download-button-enhanced:hover .button-arrow {
    transform: translateX(4px);
}

.button-ripple-effect {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
    z-index: 1;
}

.download-button-enhanced:active .button-ripple-effect {
    width: 400px;
    height: 400px;
}

.download-button:active {
    transform: translateY(0);
}

.download-button:disabled {
    background: var(--gray-400);
    cursor: not-allowed;
    transform: none;
    box-shadow: var(--shadow-md);
}

.button-content {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    position: relative;
    z-index: 2;
}


/* Прогресс секция */
.progress-section {
    width: 100%;
    max-width: 500px;
    animation: slideUp 0.4s ease-out;
}

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

.progress-header {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    margin-bottom: var(--space-6);
}

.progress-spinner {
    position: relative;
    width: 40px;
    height: 40px;
}

.spinner-ring {
    width: 100%;
    height: 100%;
    border: 4px solid var(--gray-200);
    border-top: 4px solid var(--pinterest-red);
    border-radius: var(--radius-full);
    animation: spin 1s linear infinite;
}

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

.progress-title {
    flex: 1;
}

.progress-main {
    font-weight: 600;
    color: var(--gray-800);
    font-size: 1.1rem;
    display: block;
}

.progress-sub {
    font-size: 0.9rem;
    color: var(--gray-600);
}

.progress-container {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    margin-bottom: var(--space-6);
}

.progress-bar {
    flex: 1;
    height: 8px;
    background: var(--gray-200);
    border-radius: var(--radius-full);
    overflow: hidden;
    position: relative;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--pinterest-red), var(--pinterest-light-red));
    width: 0%;
    transition: width 0.3s ease;
    border-radius: var(--radius-full);
    position: relative;
}

.progress-glow {
    position: absolute;
    top: 0;
    right: 0;
    width: 30px;
    height: 100%;
    background: rgba(255, 255, 255, 0.4);
    border-radius: var(--radius-full);
    animation: shimmer 1.5s ease-in-out infinite;
}

@keyframes shimmer {
    0%, 100% { transform: translateX(-100px); }
    50% { transform: translateX(100px); }
}

.progress-percentage {
    font-weight: 700;
    color: var(--pinterest-red);
    min-width: 50px;
    text-align: right;
}

.progress-details {
    text-align: center;
}

.status-text {
    color: var(--gray-600);
    margin-bottom: var(--space-4);
}

.progress-steps {
    display: flex;
    justify-content: center;
    gap: var(--space-4);
}

.step {
    font-size: 0.875rem;
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-sm);
    background: var(--gray-100);
    color: var(--gray-500);
    transition: all var(--transition-normal);
}

.step.completed {
    background: var(--pinterest-red);
    color: var(--white);
}

/* Результат секция */
.result-section {
    width: 100%;
    max-width: 500px;
    animation: slideUp 0.4s ease-out;
}

.success-animation {
    display: flex;
    justify-content: center;
    margin-bottom: var(--space-6);
}

.success-circle {
    width: 80px;
    height: 80px;
    background: var(--accent-color);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    animation: successPulse 0.6s ease-out;
}

@keyframes successPulse {
    0% {
        transform: scale(0);
        opacity: 0;
    }
    50% {
        transform: scale(1.1);
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

.result-title {
    text-align: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-800);
    margin-bottom: var(--space-6);
}

.video-info {
    background: var(--gray-50);
    padding: var(--space-5);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-6);
    border: 1px solid var(--gray-200);
}

.result-actions {
    display: flex;
    gap: var(--space-4);
    justify-content: center;
    flex-wrap: wrap;
}

.action-button {
    padding: var(--space-4) var(--space-6);
    border-radius: var(--radius-md);
    font-weight: 600;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: var(--space-2);
    transition: all var(--transition-normal);
    border: none;
    cursor: pointer;
    font-size: 1rem;
    position: relative;
    z-index: 2;
}

.action-button.primary {
    background: var(--accent-color);
    color: var(--white);
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
}

.action-button.primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.3),
        rgba(255, 255, 255, 0.5),
        rgba(255, 255, 255, 0.3),
        transparent
    );
    transition: left 0.6s ease;
    z-index: 1;
}

.action-button.primary:hover::before {
    left: 100%;
}

.action-button.primary:hover {
    background: #00B875;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.action-button.secondary {
    background: var(--white);
    color: var(--gray-700);
    border: 2px solid var(--gray-300);
}

.action-button.secondary:hover {
    border-color: var(--gray-400);
    background: var(--gray-50);
    transform: translateY(-2px);
}

/* Ошибка секция */
.error-section {
    width: 100%;
    max-width: 500px;
    animation: slideUp 0.4s ease-out;
}

.error-icon {
    display: flex;
    justify-content: center;
    margin-bottom: var(--space-6);
    color: var(--error-color);
}

.error-title {
    text-align: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-800);
    margin-bottom: var(--space-6);
}

.error-message {
    background: rgba(255, 68, 68, 0.1);
    color: var(--error-color);
    padding: var(--space-5);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-6);
    border: 1px solid rgba(255, 68, 68, 0.2);
    text-align: center;
}

.retry-button {
    width: 100%;
    padding: var(--space-4) var(--space-6);
    background: var(--warning-color);
    color: var(--gray-800);
    border: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    transition: all var(--transition-normal);
    font-size: 1rem;
    position: relative;
    overflow: hidden;
    z-index: 2;
}

.retry-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.3),
        rgba(255, 255, 255, 0.5),
        rgba(255, 255, 255, 0.3),
        transparent
    );
    transition: left 0.6s ease;
    z-index: 1;
}

.retry-button:hover::before {
    left: 100%;
}

.retry-button:hover {
    background: #FFA000;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* Футер */
.footer {
    text-align: center;
    margin-top: var(--space-16);
    color: var(--gray-600);
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-3);
}

.footer-text {
    font-size: 0.95rem;
}

.heart {
    color: var(--pinterest-red);
    animation: heartbeat 1.5s ease-in-out infinite;
}

@keyframes heartbeat {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.footer-links {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: 0.875rem;
}

.footer-link {
    color: var(--gray-500);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer-link:hover {
    color: var(--pinterest-red);
}

.separator {
    color: var(--gray-400);
}

/* Адаптивность */
@media (max-width: 768px) {
    .container {
        padding: var(--space-4);
    }

    .hero-content {
        margin-top: var(--space-6);
    }

    .main-title {
        font-size: clamp(2rem, 4vw, 3rem);
    }

    .download-card,
    .progress-card,
    .result-card,
    .error-card {
        padding: var(--space-6);
    }

    .quality-options {
        grid-template-columns: 1fr;
        gap: var(--space-3);
    }

    .quality-label {
        flex-direction: row;
        justify-content: flex-start;
        text-align: left;
        gap: var(--space-3);
    }

    .result-actions {
        flex-direction: column;
        align-items: center;
    }

    .action-button {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }

    .footer-links {
        flex-direction: column;
        gap: var(--space-1);
    }

    .separator {
        display: none;
    }
}

@media (max-width: 480px) {
    .container {
        padding: var(--space-3);
    }

    .logo-circle {
        width: 50px;
        height: 50px;
        font-size: 1.5rem;
    }

    .logo-text {
        font-size: 1.2rem;
    }

    .download-card,
    .progress-card,
    .result-card,
    .error-card {
        padding: var(--space-4);
    }

    .progress-header {
        flex-direction: column;
        text-align: center;
        gap: var(--space-3);
    }

    .progress-steps {
        flex-wrap: wrap;
        gap: var(--space-2);
    }
}

/* Анимации появления */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.download-card {
    animation: fadeIn 0.6s ease-out;
}

/* Фокус-стайлы для доступности */
.url-field:focus-visible,
.download-button:focus-visible,
.paste-button:focus-visible,
.action-button:focus-visible,
.retry-button:focus-visible {
    outline: 3px solid var(--pinterest-red);
    outline-offset: 2px;
}

/* Уменьшаем анимации для пользователей, которые предпочитают без анимации */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .bg-animation {
        animation: none;
    }

    .floating-pin {
        animation: none;
    }
}