'), var(--bg-color); } .app-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 2rem; } .app-title { display: flex; align-items: center; gap: 1rem; font-size: clamp(1.5rem, 4vw, 2rem); font-weight: 700; } .app-title .icon { color: var(--accent-primary); } #theme-toggle { background: none; border: none; color: var(--text-secondary); cursor: pointer; font-size: 1.2rem; padding: 0.5rem; border-radius: 50%; transition: color 0.2s, background-color 0.2s; } #theme-toggle:hover { color: var(--text-primary); background-color: var(--glass-border); } .converter-wrapper { display: grid; place-items: center; overflow-y: auto; padding: 1rem 0; } /* --- Glass Pane Component --- */ .glass-pane { background: var(--glass-bg); backdrop-filter: blur(25px) saturate(180%); -webkit-backdrop-filter: blur(25px) saturate(180%); border: 1px solid var(--glass-border); border-radius: 20px; box-shadow: 0 8px 32px 0 var(--shadow-color); transition: all 0.3s ease; } /* --- Main Converter Panel --- */ .converter-panel { width: 100%; max-width: 900px; padding: clamp(1.5rem, 4vw, 3rem); display: flex; flex-direction: column; gap: 1.5rem; } .converter-io { display: flex; align-items: center; gap: 1.5rem; } .unit-box { flex: 1; } .unit-label { font-weight: 600; font-size: 0.9rem; color: var(--text-secondary); margin-bottom: 0.75rem; } .unit-input-group { position: relative; } .unit-input { width: 100%; background: var(--input-bg); border: 1px solid var(--glass-border); border-radius: 12px; padding: 1rem 1.5rem; color: var(--text-primary); font-family: var(--font-primary); font-size: clamp(1.75rem, 5vw, 2.5rem); font-weight: 600; outline: none; box-shadow: inset 0 2px 4px rgba(0,0,0,0.1); transition: border-color 0.2s, box-shadow 0.2s; } .unit-input:focus { border-color: var(--accent-primary); box-shadow: inset 0 2px 4px rgba(0,0,0,0.1), 0 0 0 3px rgba(255, 203, 107, 0.3); } [data-theme="light"] .unit-input:focus { box-shadow: inset 0 2px 4px rgba(0,0,0,0.1), 0 0 0 3px rgba(245, 127, 23, 0.3); } .unit-select { width: 100%; margin-top: 1rem; padding: 0.75rem 1rem; background: rgba(37, 31, 31, 0.445); border: 1px solid var(--glass-border); border-radius: 8px; color: var(--text-primary); font-family: var(--font-primary); font-size: 1rem; appearance: none; background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%23a89984' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M2 5l6 6 6-6'/%3e%3c/svg%3e"); background-repeat: no-repeat; background-position: right 0.75rem center; background-size: 1em; transition: border-color 0.2s ease; } .unit-select:focus { outline: none; border-color: var(--accent-primary); } #swap-button { background: var(--glass-bg); border: 1px solid var(--glass-border); border-radius: 50%; width: 48px; height: 48px; color: var(--accent-primary); cursor: pointer; font-size: 1.25rem; display: flex; justify-content: center; align-items: center; transition: transform 0.3s cubic-bezier(0.25, 1, 0.5, 1), background-color 0.2s; margin-top: 2rem; /* Align with inputs */ } #swap-button:hover { transform: rotate(180deg) scale(1.1); } #swap-button:active { transform: rotate(180deg) scale(1.0); } .result-animation { animation: fadeInUp 0.5s ease forwards; } @keyframes fadeInUp { from { opacity: 0.5; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } } /* Copy Button & Toast */ .copy-button { position: absolute; bottom: 12px; right: 12px; background: none; border: none; color: var(--text-secondary); font-size: 1rem; padding: 0.5rem; border-radius: 8px; cursor: pointer; opacity: 0; transition: opacity 0.2s, color 0.2s, background-color 0.2s; } .unit-input-group:hover .copy-button { opacity: 1; } .copy-button:hover { color: var(--accent-primary); background-color: var(--glass-border); } .toast { position: fixed; bottom: 2rem; left: 50%; transform: translateX(-50%); background-color: var(--accent-secondary); color: white; padding: 0.75rem 1.5rem; border-radius: 8px; font-weight: 600; box-shadow: 0 4px 20px var(--shadow-color); z-index: 100; opacity: 0; visibility: hidden; transition: opacity 0.3s, visibility 0.3s, transform 0.3s; } .toast.show { opacity: 1; visibility: visible; transform: translate(-50%, -10px); } /* --- Mobile Responsiveness --- */ @media (max-width: 768px) { .app-container { padding: 1rem; } .app-header { margin-bottom: 1rem; } .converter-io { flex-direction: column; gap: 1rem; } #swap-button { margin: 0; transform: rotate(90deg); } #swap-button:hover { transform: rotate(270deg) scale(1.1); } #swap-button:active { transform: rotate(270deg) scale(1.0); } } [data-theme="dark"] .fa-sun { display: none; } [data-theme="light"] .fa-moon { display: none; }