:root{--sky-blue: #B8D4E8;--sky-blue-dark: #8FBCD4;--mint-green: #C8E6C9;--mint-green-dark: #9DD49F;--cream: #E8E4C9;--cream-dark: #D4CFA8;--beige: #E8DED4;--beige-dark: #D4C8B8;--blush-pink: #F0D0D8;--blush-pink-dark: #E0B0BC;--text-primary: #4A5568;--text-secondary: #718096;--text-muted: #A0AEC0;--white: #FFFFFF;--shadow: rgba(0, 0, 0, .08)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Quicksand,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:linear-gradient(135deg,var(--sky-blue) 0%,#d4e8f0 50%,var(--cream) 100%);min-height:100vh;display:flex;align-items:center;justify-content:center;padding:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.container{background:#fffffff2;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:20px;box-shadow:0 10px 40px var(--shadow),0 0 0 1px #ffffff80;padding:28px;max-width:920px;width:100%;display:flex;flex-direction:column;min-height:600px;margin:0 auto}header{text-align:center;margin-bottom:24px;padding-bottom:20px;border-bottom:2px solid var(--beige)}.header-top{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;margin-bottom:10px}.logo{display:flex;align-items:center;justify-content:center;gap:10px}.logo-icon{font-size:2em;animation:pulse 2s infinite}.logo-text{font-size:2em;font-weight:700;background:linear-gradient(45deg,var(--sky-blue-dark),var(--blush-pink-dark));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.tagline{color:var(--text-secondary);font-size:.95em}.btn-switch-page{display:inline-flex;align-items:center;gap:8px;padding:10px 20px;background:linear-gradient(135deg,var(--mint-green) 0%,var(--mint-green-dark) 100%);color:#2d5a3d;text-decoration:none;border-radius:12px;font-weight:600;font-size:.9em;box-shadow:0 4px 12px #9dd49f66;transition:all .3s cubic-bezier(.4,0,.2,1);justify-self:end}.btn-switch-page:hover{transform:translateY(-2px);box-shadow:0 6px 20px #9dd49f80;background:linear-gradient(135deg,var(--mint-green-dark) 0%,#7BC47E 100%)}.main-content{display:flex;flex-direction:column;gap:20px;flex:1}.input-section{background:linear-gradient(135deg,var(--cream) 0%,#f5f3e8 100%);padding:20px;border-radius:14px;border:1px solid var(--beige)}.input-section label{display:flex;align-items:center;gap:8px;font-weight:600;color:var(--text-primary);margin-bottom:10px}.label-icon{font-size:1.2em}.textarea-wrapper{display:flex;border:2px solid var(--beige);border-radius:12px;overflow:hidden;transition:all .3s;min-height:120px;background:var(--white)}.textarea-wrapper:focus-within{border-color:var(--sky-blue-dark);box-shadow:0 0 0 3px #8fbcd433}.line-numbers{background:linear-gradient(180deg,var(--beige) 0%,var(--cream) 100%);color:var(--text-muted);padding:12px 8px;text-align:right;font-family:SF Mono,Monaco,Consolas,monospace;font-size:14px;line-height:1.428571;-webkit-user-select:none;user-select:none;min-width:35px;overflow-y:hidden}.line-numbers .line-num{padding:0 4px;line-height:1.428571}textarea{flex:1;padding:12px;border:none;font-family:SF Mono,Monaco,Consolas,monospace;font-size:14px;resize:none;line-height:1.428571;background:transparent;color:var(--text-primary)}textarea:focus{outline:none}textarea::placeholder{color:var(--text-muted)}.action-buttons{display:flex;gap:8px;margin-top:16px}.btn-generate,.btn-clear{padding:12px 24px;border:none;border-radius:12px;font-size:.95em;font-weight:600;cursor:pointer;transition:all .2s;display:inline-flex;align-items:center;gap:8px}.btn-generate{background:linear-gradient(135deg,var(--sky-blue) 0%,var(--sky-blue-dark) 100%);color:#2c5f7c;flex:1;box-shadow:0 4px 12px #8fbcd466}.btn-generate:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 6px 16px #8fbcd480;background:linear-gradient(135deg,var(--sky-blue-dark) 0%,#6BA8C4 100%)}.btn-generate:disabled{opacity:.6;cursor:not-allowed}.btn-clear{background:linear-gradient(135deg,var(--blush-pink) 0%,#f5e0e5 100%);color:#8b5a5a;width:90px;border:1px solid var(--blush-pink-dark)}.btn-clear:hover{background:linear-gradient(135deg,var(--blush-pink-dark) 0%,var(--blush-pink) 100%);transform:translateY(-1px)}.codes-display{background:linear-gradient(135deg,#f8fafccc,#e8e4c94d);border-radius:14px;padding:16px;border:1px solid var(--beige);flex:1}.codes-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}.codes-header h3{color:var(--text-primary);font-size:1.05em;font-weight:700}.timer-controls{display:flex;align-items:center;gap:10px}.btn-refresh-now{background:linear-gradient(135deg,var(--mint-green) 0%,#d8f0d9 100%);border:1px solid var(--mint-green-dark);border-radius:10px;padding:6px 12px;font-size:1em;cursor:pointer;transition:all .3s;display:inline-flex;align-items:center;justify-content:center;color:#2d5a3d}.btn-refresh-now:hover:not(:disabled){background:linear-gradient(135deg,var(--mint-green-dark) 0%,var(--mint-green) 100%);transform:scale(1.05);box-shadow:0 4px 12px #9dd49f66}.btn-refresh-now:disabled{opacity:.5;cursor:not-allowed}.timer{display:flex;align-items:center;gap:5px;color:var(--text-secondary);font-size:.9em}.timer-icon{animation:rotate 30s linear infinite}.timer-icon circle:first-child{stroke:var(--beige)}.timer-icon circle:last-child{stroke:var(--mint-green-dark)}.codes-list{display:flex;flex-direction:column;gap:10px}.code-item{background:var(--white);padding:12px 16px 12px 48px;border-radius:12px;border:1px solid var(--beige);display:flex;align-items:center;gap:0;transition:all .3s ease;position:relative;min-height:56px}.code-item:hover{border-color:var(--sky-blue-dark);box-shadow:0 4px 12px #8fbcd433;transform:translateY(-2px)}.code-value{transition:all .2s ease}.line-number{background:linear-gradient(135deg,var(--sky-blue) 0%,var(--beige) 100%);color:#5a7a8a;font-weight:600;padding:3px 6px;border-radius:6px;font-size:.75em;min-width:26px;text-align:center;position:absolute;left:10px;top:50%;transform:translateY(-50%)}.code-info{display:flex;align-items:center;gap:16px;flex:1;min-width:0;justify-content:space-between}.code-secret{font-family:SF Mono,Monaco,Consolas,monospace;font-size:.8em;color:var(--text-muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;flex:1 1 auto;min-width:120px;max-width:300px}.code-value{background:linear-gradient(135deg,var(--sky-blue-dark) 0%,var(--blush-pink-dark) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;font-family:SF Mono,Monaco,Consolas,monospace;font-size:1.4em;font-weight:800;letter-spacing:2px;line-height:1;flex-shrink:0;white-space:nowrap;min-width:90px;transition:opacity .2s ease}.copy-single{background:linear-gradient(135deg,var(--sky-blue) 0%,#d0e8f2 100%);border:1px solid var(--sky-blue-dark);border-radius:10px;padding:6px 14px;font-size:.85em;font-weight:600;color:#2c5f7c;cursor:pointer;transition:all .3s;display:inline-flex;align-items:center;gap:5px;height:32px;white-space:nowrap;flex-shrink:0;margin-left:12px}.copy-single:hover{background:linear-gradient(135deg,var(--sky-blue-dark) 0%,var(--sky-blue) 100%);color:#1a4a5e;transform:translateY(-1px);box-shadow:0 4px 12px #8fbcd44d}.copy-single.copied{background:linear-gradient(135deg,var(--mint-green-dark) 0%,var(--mint-green) 100%);color:#1a4a2e;border-color:var(--mint-green-dark)}.code-item.no-code{background:linear-gradient(135deg,var(--blush-pink) 0%,#fae8ec 100%);border-color:var(--blush-pink-dark)}.code-item.no-code:hover{border-color:#d090a0;box-shadow:0 4px 12px #e0b0bc4d}.code-status{color:#8b5a6a;font-size:.9em;font-weight:500;font-style:italic}.btn-view-mail{background:linear-gradient(135deg,var(--blush-pink-dark) 0%,var(--blush-pink) 100%);color:#5a3a42;text-decoration:none;border-radius:10px;padding:6px 14px;font-size:.85em;font-weight:600;display:inline-flex;align-items:center;gap:5px;transition:all .3s;white-space:nowrap;flex-shrink:0;margin-left:12px;border:1px solid #D090A0}.btn-view-mail:hover{background:linear-gradient(135deg,#D090A0 0%,var(--blush-pink-dark) 100%);transform:translateY(-1px);box-shadow:0 4px 12px #e0b0bc66}.empty-message{text-align:center;padding:80px 40px;color:var(--text-muted);display:flex;flex-direction:column;align-items:center}.empty-message p{max-width:400px;line-height:1.6;font-size:1.05em;color:var(--text-secondary)}.empty-icon{font-size:4em;display:block;margin-bottom:20px;opacity:.7}.settings-section{margin-top:24px;padding-top:20px;border-top:1px solid var(--beige)}.toggle-group{display:flex;justify-content:center;gap:20px;flex-wrap:wrap}.toggle-label{display:flex;align-items:center;gap:8px;cursor:pointer}.toggle-slider{width:44px;height:24px;background:var(--beige);border-radius:24px;position:relative;transition:background .3s}.toggle-slider:after{content:"";position:absolute;width:18px;height:18px;background:#fff;border-radius:50%;top:3px;left:3px;transition:transform .3s;box-shadow:0 2px 4px #0000001a}input[type=checkbox]:checked+.toggle-slider{background:linear-gradient(135deg,var(--sky-blue-dark) 0%,var(--mint-green-dark) 100%)}input[type=checkbox]:checked+.toggle-slider:after{transform:translate(20px)}input[type=checkbox]{display:none}.toggle-text{color:var(--text-secondary);font-size:.85em;font-weight:500}.toast-notification{position:fixed;bottom:24px;right:24px;background:linear-gradient(135deg,var(--mint-green-dark) 0%,var(--mint-green) 100%);color:#1a4a2e;padding:12px 20px;border-radius:14px;font-size:.9em;font-weight:600;box-shadow:0 4px 16px #9dd49f66;z-index:1000;opacity:0;transform:translateY(20px);transition:all .3s}.toast-notification.show{opacity:1;transform:translateY(0)}.toast-notification.toast-error{background:linear-gradient(135deg,var(--blush-pink-dark) 0%,var(--blush-pink) 100%);color:#5a2a3a;box-shadow:0 4px 16px #e0b0bc66}.toast-notification.toast-info{background:linear-gradient(135deg,var(--sky-blue-dark) 0%,var(--sky-blue) 100%);color:#1a4a5e;box-shadow:0 4px 16px #8fbcd466}@keyframes pulse{0%,to{transform:scale(1)}50%{transform:scale(1.1)}}@keyframes rotate{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@keyframes slideIn{0%{transform:translateY(-20px);opacity:0}to{transform:translateY(0);opacity:1}}body.horizontal-layout .main-content{display:grid;grid-template-columns:minmax(340px,380px) 1fr;gap:20px;align-items:start}body.horizontal-layout .codes-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(350px,1fr));gap:12px}body.dark-mode{background:linear-gradient(135deg,#1a2332,#2d3748,#1a2332)}body.dark-mode .container{background:#2d3748f2;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.1)}body.dark-mode header{border-bottom-color:#ffffff1a}body.dark-mode .logo-text{background:linear-gradient(45deg,#9dc4d4,#e0b0bc);-webkit-background-clip:text;background-clip:text}body.dark-mode .input-section,body.dark-mode .codes-display{background:linear-gradient(135deg,#1a2332cc,#2d374899);border-color:#ffffff1a}body.dark-mode .textarea-wrapper{border-color:#ffffff26;background:#1a233280}body.dark-mode .textarea-wrapper:focus-within{border-color:var(--sky-blue-dark);box-shadow:0 0 0 3px #8fbcd426}body.dark-mode .line-numbers{background:#2d3748cc;color:#64748b}body.dark-mode textarea{color:#e2e8f0}body.dark-mode textarea::placeholder{color:#64748b}body.dark-mode .code-item{background:#2d3748e6;border-color:#ffffff1a}body.dark-mode .code-item:hover{border-color:var(--sky-blue-dark);box-shadow:0 4px 12px #0000004d}body.dark-mode .line-number{background:linear-gradient(135deg,#8fbcd44d,#e8ded433);color:#9dc4d4}body.dark-mode .code-secret,body.dark-mode .toggle-text,body.dark-mode .tagline{color:#94a3b8}body.dark-mode label{color:#cbd5e1}body.dark-mode h3,body.dark-mode .codes-header h3{color:#e2e8f0}body.dark-mode .btn-generate{background:linear-gradient(135deg,#8fbcd4cc,#6ba8c4cc);color:#1a2332}body.dark-mode .btn-clear{background:#e0b0bc33;color:#e0b0bc;border-color:#e0b0bc4d}body.dark-mode .copy-single{background:linear-gradient(135deg,#8fbcd44d,#8fbcd433);border-color:#8fbcd466;color:#9dc4d4}body.dark-mode .copy-single:hover{background:linear-gradient(135deg,#8fbcd480,#8fbcd466);color:#b8d4e8}body.dark-mode .copy-single.copied{background:linear-gradient(135deg,#9dd49f66,#9dd49f4d);color:#9dd49f;border-color:#9dd49f80}body.dark-mode .btn-refresh-now{background:linear-gradient(135deg,#9dd49f4d,#9dd49f33);border-color:#9dd49f66;color:#9dd49f}body.dark-mode .btn-refresh-now:hover:not(:disabled){background:linear-gradient(135deg,#9dd49f80,#9dd49f66)}body.dark-mode .code-item.no-code{background:linear-gradient(135deg,#e0b0bc33,#f0d0d826);border-color:#e0b0bc66}body.dark-mode .code-status{color:#e0b0bc}body.dark-mode .btn-view-mail{background:linear-gradient(135deg,#e0b0bc66,#e0b0bc4d);color:#f0d0d8;border-color:#e0b0bc80}body.dark-mode .settings-section{border-top-color:#ffffff1a}body.dark-mode .toggle-slider{background:#ffffff26}body.dark-mode .timer{color:#94a3b8}body.dark-mode .btn-switch-page{background:linear-gradient(135deg,#9dd49f66,#9dd49f4d);color:#9dd49f}@media (max-width: 768px){.container{padding:20px}.header-top{grid-template-columns:1fr;gap:15px}.header-spacer{display:none}.btn-switch-page{justify-self:center}.logo-text{font-size:1.5em}.code-item{padding:10px 14px 10px 42px}.code-secret{font-size:.7em;min-width:100px}.code-value{font-size:1.25em}body.horizontal-layout .main-content{grid-template-columns:1fr}}