@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
  --bg-primary: rgba(255, 255, 255, 0.95);
  --bg-secondary: rgba(255, 255, 255, 0.85);
  --bg-tertiary: rgba(255, 255, 255, 0.6);
    --text-primary: #1d1d1f;
    --text-secondary: #86868b;
    --accent-blue: #0071e3;
    --accent-blue-hover: #0077ed;
    --border-color: rgba(0, 0, 0, 0.1);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.16);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    font-family:
        'Inter',
        -apple-system,
        BlinkMacSystemFont,
        sans-serif;
    background: transparent;
    min-height: 100vh;
    color: var(--text-primary);
    overflow-x: hidden;
}

.background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('imgs/compressed_disegno.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    z-index: -1;
}

.background::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.8);
}

.header {
    display: flex;
    justify-content: flex-end;
    padding: 20px 40px;
    position: relative;
    z-index: 10;
}

.language-selector {
    position: relative;
}

.lang-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 12px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

.lang-btn:hover {
    background: var(--bg-primary);
    transform: scale(1.02);
}

.lang-current {
    display: flex;
    align-items: center;
    gap: 6px;
}

.lang-flag {
    font-size: 16px;
}

.lang-code {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-primary);
}

.chevron {
    width: 14px;
    height: 14px;
    color: var(--text-secondary);
    transition: var(--transition);
}

.lang-btn.active .chevron {
    transform: rotate(180deg);
}

.lang-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    padding: 8px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

.lang-dropdown.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.lang-option {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    background: transparent;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    width: 100%;
    font-size: 14px;
    color: var(--text-primary);
    transition: var(--transition);
}

.lang-option:hover {
    background: var(--bg-tertiary);
}

.lang-option.active {
    background: var(--accent-blue);
    color: white;
}

.main {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 40px 20px;
    max-width: 900px;
    margin: 0 auto;
}

.hero {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    margin-bottom: 48px;
    animation: fadeInUp 0.6s ease-out;
}

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

.logo-container {
    margin-bottom: 28px;
}

.logo {
    height: 96px;
    border-radius: 20px;
    box-shadow: var(--shadow-md);
}

.title {
    font-size: 28px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 32px;
    letter-spacing: -0.5px;
}

.search-container {
  position: relative;
  width: 100%;
  max-width: 680px;
}

.search-wrapper {
  display: flex;
  align-items: center;
  background: white;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 16px 20px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.search-wrapper:hover {
    box-shadow: var(--shadow-md);
    transform: scale(1.01);
}

.search-wrapper:focus-within {
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 4px rgba(0, 113, 227, 0.15);
}

.search-icon {
    width: 20px;
    height: 20px;
    color: var(--text-secondary);
    margin-right: 12px;
    flex-shrink: 0;
}

.search-input {
    flex: 1;
    border: none;
    background: transparent;
    font-size: 17px;
    color: var(--text-primary);
    outline: none;
    font-family: 'Inter', sans-serif;
}

.search-input::placeholder {
    color: var(--text-secondary);
}

.engine-buttons {
    display: flex;
    gap: 8px;
    justify-content: center;
    margin-top: 16px;
}

.engine-btn {
  width: 40px;
  height: 40px;
  border: 1px solid var(--border-color);
  border-radius: 50%;
  background: white;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}

.engine-btn:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-sm);
}

.engine-btn.active {
    background: var(--accent-blue);
    color: white;
    border-color: var(--accent-blue);
}

.engine-btn[data-engine='google'] {
    color: #4285f4;
}
.engine-btn[data-engine='google'].active {
    background: #4285f4;
    color: white;
}
.engine-btn[data-engine='duckduckgo'] {
    color: #444;
}
.engine-btn[data-engine='duckduckgo'].active {
    background: #444;
    color: white;
}
.engine-btn[data-engine='bing'] {
    color: #00809d;
}
.engine-btn[data-engine='bing'].active {
    background: #00809d;
    color: white;
}
.engine-btn[data-engine='ecosia'] {
    color: #4a9c6d;
}
.engine-btn[data-engine='ecosia'].active {
    background: #4a9c6d;
    color: white;
}

.engine-dropdown {
    position: absolute;
    top: calc(100% + 12px);
    left: 50%;
    transform: translateX(-50%);
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    padding: 8px;
    min-width: 180px;
    opacity: 0;
    visibility: hidden;
    transform: translateX(-50%) translateY(-10px);
    transition: var(--transition);
    z-index: 100;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

.engine-dropdown.show {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.engine-option {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: transparent;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    width: 100%;
    font-size: 15px;
    color: var(--text-primary);
    transition: var(--transition);
}

.engine-option:hover {
    background: var(--bg-tertiary);
}

.engine-option.active {
    background: var(--accent-blue);
    color: white;
}

.engine-letter {
    font-size: 16px;
    font-weight: 700;
}

.engine-option.active .engine-letter {
    color: white;
}

.frequent-sites-section {
    width: 100%;
    max-width: 680px;
    animation: fadeInUp 0.6s ease-out 0.2s both;
}

.section-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 16px;
}

.sites-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 12px;
}

.site-tile {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 16px 8px;
    background: white;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    min-height: 90px;
}

.site-tile:hover {
    background: var(--bg-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.site-tile.empty {
    border-style: dashed;
    background: transparent;
}

.site-tile.empty:hover {
    border-color: var(--accent-blue);
    background: rgba(0, 113, 227, 0.05);
}

.site-tile .site-icon {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 8px;
}

.site-tile .site-icon svg {
    width: 32px;
    height: 32px;
    color: var(--text-primary);
}

.site-tile .site-name {
    font-size: 12px;
    color: var(--text-primary);
    text-align: center;
    font-weight: 500;
}

.site-tile .site-delete {
    position: absolute;
    top: 4px;
    right: 4px;
    width: 20px;
    height: 20px;
    background: var(--bg-tertiary);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    opacity: 0;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.site-tile:hover .site-delete {
    opacity: 1;
}

.site-tile .site-delete:hover {
    background: #ff3b30;
    color: white;
}

.site-tile .site-delete svg {
    width: 10px;
    height: 10px;
}

.site-tile .add-icon {
    width: 24px;
    height: 24px;
    color: var(--text-secondary);
}

.links {
    display: flex;
    gap: 8px;
    margin-top: 48px;
    flex-wrap: wrap;
    justify-content: center;
    animation: fadeInUp 0.6s ease-out 0.4s both;
}

.link-item {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 10px 16px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    text-decoration: none;
    color: var(--text-primary);
    font-size: 13px;
    font-weight: 500;
    transition: var(--transition);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

.link-item:hover {
    background: var(--bg-primary);
    transform: scale(1.02);
    box-shadow: var(--shadow-sm);
}

.link-item svg {
    width: 16px;
    height: 16px;
    color: var(--text-secondary);
}

.footer {
    margin-top: 48px;
    padding: 24px;
    text-align: center;
    color: var(--text-secondary);
    font-size: 12px;
    animation: fadeInUp 0.6s ease-out 0.6s both;
}

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 1000;
}

.modal-overlay.show {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    width: 90%;
    max-width: 400px;
    padding: 24px;
    transform: scale(0.9);
    transition: var(--transition);
}

.modal-overlay.show .modal {
    transform: scale(1);
}

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

.modal-header h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
}

.modal-close {
    width: 32px;
    height: 32px;
    background: var(--bg-tertiary);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.modal-close:hover {
    background: var(--bg-secondary);
}

.modal-close svg {
    width: 16px;
    height: 16px;
    color: var(--text-secondary);
}

.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.form-group input {
    width: 100%;
    padding: 12px 16px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 15px;
    color: var(--text-primary);
    transition: var(--transition);
    font-family: 'Inter', sans-serif;
}

.form-group input:focus {
    outline: none;
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 4px rgba(0, 113, 227, 0.15);
}

.form-actions {
    display: flex;
    gap: 12px;
    justify-content: flex-end;
    margin-top: 24px;
}

.btn-primary,
.btn-secondary {
    padding: 10px 20px;
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    border: none;
}

.btn-primary {
    background: var(--accent-blue);
    color: white;
}

.btn-primary:hover {
    background: var(--accent-blue-hover);
}

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.btn-secondary:hover {
    background: var(--bg-secondary);
}

@media (max-width: 640px) {
    .header {
        padding: 16px 20px;
    }

    .main {
        padding: 20px 16px;
    }

    .title {
        font-size: 22px;
    }

    .search-wrapper {
        padding: 14px 16px;
    }

    .search-input {
        font-size: 16px;
    }

    .sites-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .links {
        gap: 8px;
    }

    .link-item {
        padding: 8px 12px;
        font-size: 12px;
    }
}