.theme-toggle{display:flex;align-items:center;justify-content:center;gap:8px;background-color:var(--button-bg);color:var(--button-text-color);border:none;border-radius:var(--border-radius);padding:10px 20px;font-size:1rem;cursor:pointer;transition:background-color .3s ease,transform .2s ease;box-shadow:var(--box-shadow)}.theme-toggle:hover{background-color:var(--button-hover-bg);transform:scale(1.05)}.theme-toggle:active{transform:scale(1)}.theme-icon{font-size:1.5rem}.theme-text{font-size:1rem;font-weight:700}html.transitioning{transition:background-color .4s ease,color .4s ease;opacity:.9}.header{background-color:var(--primary-color);color:#fff;padding:15px 20px;justify-content:center;box-shadow:var(--box-shadow)}.header,.header-container{display:flex;align-items:center}.header-container{width:100%;max-width:1200px;justify-content:space-between}.header-title{font-size:1.8rem;margin:0;font-weight:700;text-transform:uppercase}.header-logo{color:#fff;text-decoration:none;transition:color .3s ease}.header-logo:hover{color:var(--accent-color)}.header-nav{display:flex;align-items:center}.nav-list{display:flex;gap:20px;list-style:none;margin:0;padding:0}.nav-item{font-size:1rem}.nav-link{color:#fff;text-decoration:none;transition:color .3s ease}.nav-link:hover{color:var(--accent-color)}@media (max-width:768px){.header-container,.nav-list{flex-direction:column;gap:10px}}*{margin:0;padding:0;box-sizing:border-box}html{transition:background-color .4s ease,color .4s ease}a,button,img,input,table{transition:background-color .3s ease,color .3s ease,border-color .3s ease,box-shadow .3s ease,transform .2s ease}html.theme-transition{opacity:.9;pointer-events:none;transition:opacity .4s ease,transform .3s ease}body{font-family:Inter,sans-serif;background-color:var(--background-color);color:var(--text-color);line-height:1.7;flex-direction:column;min-height:100vh;margin:0;overflow-x:hidden}body,main{display:flex}main{flex:1 1;flex-direction:column;align-items:center;justify-content:center;padding:20px;width:100%}button{font-family:inherit;font-size:1rem;background-color:var(--button-bg);color:var(--button-text-color);border:none;border-radius:var(--border-radius);padding:10px 20px;cursor:pointer;box-shadow:var(--box-shadow);transition:background-color var(--transition-duration),transform .2s ease,box-shadow var(--transition-duration)}button:hover{background-color:var(--button-hover-bg);transform:scale(1.05);box-shadow:var(--box-shadow-hover)}button:active{transform:scale(.95);box-shadow:inset 0 3px 6px rgba(0,0,0,.2)}a{color:var(--link-color);text-decoration:none;transition:color var(--transition-duration)}a:hover{color:var(--link-hover-color)}input{background-color:var(--input-bg);border:1px solid var(--input-border);color:var(--input-text-color);padding:10px;border-radius:var(--border-radius);width:100%;max-width:400px;margin:10px 0;display:block;transition:border-color var(--transition-duration),box-shadow var(--transition-duration)}input:focus{border-color:var(--input-focus-border);outline:none;box-shadow:0 0 6px var(--input-focus-border)}table{width:100%;max-width:1200px;border-collapse:collapse;margin:20px 0;background-color:var(--table-header-bg);color:var(--text-color);box-shadow:var(--box-shadow);border-radius:var(--border-radius);overflow:hidden}table td,table th{text-align:center;padding:12px;border:1px solid var(--table-border);font-size:1rem}table th{background-color:var(--table-header-bg);text-transform:uppercase;font-weight:700;color:var(--table-header-text)}table tbody tr:hover{background-color:var(--table-row-hover-bg);transition:background-color var(--transition-duration)}.positive{color:var(--positive-color);font-weight:700}.negative{color:var(--negative-color);font-weight:700}@media (max-width:1024px){body,button{font-size:.95rem}button{padding:8px 16px}input{max-width:90%}table{font-size:.9rem}table td,table th{padding:10px}}@media (max-width:768px){body{font-size:.85rem}main{padding:15px}table td,table th{padding:8px;font-size:.85rem}button{padding:6px 12px;font-size:.85rem}}@media (max-width:480px){body,table{font-size:.8rem}table td,table th{padding:6px}button{padding:5px 10px;font-size:.8rem}.loading-text{font-size:1.2rem;text-align:center;color:var(--secondary-color);margin-top:20px}.error-container{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;margin-top:20px}.error-text{font-size:1.2rem;text-align:center}.retry-button{font-size:1rem;background-color:var(--button-bg)}.no-data-text{color:var(--text-color);margin-top:20px}.crypto-details-page{padding:20px;max-width:1200px;margin:0 auto}.error-container{text-align:center;margin:20px}.error-text{color:var(--accent-color);font-weight:700;margin-bottom:15px}.retry-button{background-color:var(--primary-color);color:var(--button-text-color);padding:10px 20px;border:none;border-radius:var(--border-radius);cursor:pointer;transition:background-color .3s ease}.retry-button:hover{background-color:var(--button-hover-bg)}.no-data-text{text-align:center;color:var(--secondary-color);font-size:1.2rem;margin:20px}}:root{--background-color:#f3f8f4;--text-color:#204429;--primary-color:#43a047;--secondary-color:#76c893;--accent-color:#2e7d32;--gradient-primary:linear-gradient(135deg,#43a047,#388e3c);--gradient-accent:linear-gradient(135deg,#76c893,#2e7d32);--positive-color:#43a047;--negative-color:#e53935;--table-border:#d1e9d2;--table-header-bg:#edf7ed;--table-row-hover-bg:#dff3df;--table-header-text:#2b5932;--link-color:#2e7d32;--link-hover-color:#1b5e20;--button-bg:var(--gradient-primary);--button-hover-bg:#2e7d32;--button-text-color:#fff;--input-bg:#fff;--input-border:#a9d7aa;--input-focus-border:#43a047;--input-text-color:#204429;--border-radius:8px;--box-shadow:rgba(0,100,0,.1) 0px 4px 8px;--box-shadow-hover:rgba(0,100,0,.2) 0px 6px 12px;--transition-duration:0.3s;--transition-timing:ease-in-out}[data-theme=dark]{--background-color:#122a18;--text-color:#d7f3df;--primary-color:#66bb6a;--secondary-color:#388e3c;--accent-color:#2a6b2f;--gradient-primary:linear-gradient(135deg,#66bb6a,#2e7d32);--gradient-accent:linear-gradient(135deg,#388e3c,#2a6b2f);--positive-color:#81c784;--negative-color:#ef5350;--table-border:#1f4228;--table-header-bg:#153721;--table-row-hover-bg:#1c452a;--table-header-text:#76c893;--link-color:#76c893;--link-hover-color:#4caf50;--button-bg:var(--gradient-primary);--button-hover-bg:#2e7d32;--button-text-color:#fff;--input-bg:#1c452a;--input-border:#388e3c;--input-focus-border:#66bb6a;--input-text-color:#d7f3df;--border-radius:8px;--box-shadow:rgba(0,100,0,.6) 0px 4px 8px;--box-shadow-hover:rgba(0,100,0,.8) 0px 6px 12px;--transition-duration:0.3s;--transition-timing:ease-in-out}.app-container{display:flex;flex-direction:column;min-height:100vh;background-color:var(--background-color);color:var(--text-color)}.main-content{flex:1 1;padding:20px;max-width:1200px;margin:0 auto;min-height:810px}.footer{background-color:var(--primary-color);color:#fff;text-align:center;padding:20px;border-top:1px solid var(--secondary-color);box-shadow:var(--box-shadow)}.footer-container{max-width:1200px;margin:0 auto;display:flex;flex-direction:column;gap:10px}.footer-text{font-size:.9rem;margin:0}.footer-nav{margin-top:10px}.footer-links{list-style:none;display:flex;justify-content:center;gap:20px;margin:0;padding:0}.footer-item{font-size:.9rem}.footer-link{color:#fff;text-decoration:none;transition:color .3s ease}.footer-link:hover{color:var(--accent-color)}@media (max-width:768px){.footer-container{flex-direction:column;gap:15px}.footer-links{flex-direction:column;gap:10px}}