:root{--bg-main:#081524;--bg-card:#10223f;--bg-active:#2c4269;--bg-input:#081524;--cyan-accent:#00d2ff;--mint-accent:#00f5d7;--text-white:#ffffff;--text-muted:#8594b0;--text-subtle:#60769e;--danger-red:#ff3535;--font-family:Comfortaa,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-family);background:var(--bg-main);color:var(--text-white);min-height:100vh;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}button,input{font-family:inherit}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.auth-page{background:var(--bg-main);min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px 16px;position:relative;overflow-x:hidden}.auth-page::after{content:"";position:fixed;right:0;bottom:0;width:55vw;height:55vh;min-width:320px;min-height:280px;background:linear-gradient( 135deg,transparent 0%,transparent 48%,var(--mint-accent) 48.5%,var(--cyan-accent) 100% );pointer-events:none;z-index:0}.auth-shell{width:100%;max-width:360px;text-align:center;position:relative;z-index:1}.auth-logo{width:150px;height:auto;margin:0 auto 16px;display:block}.auth-title{font-size:22px;font-weight:600;color:var(--text-white);margin-bottom:16px}.auth-card{background:var(--bg-card);border-radius:20px;padding:24px 22px;position:relative;box-shadow:0 16px 40px rgba(0,0,0,0.4);text-align:left}.auth-card .form-group{margin-bottom:14px}.auth-card label{display:block;font-size:15px;font-weight:600;color:var(--text-white);margin-bottom:6px}.auth-card input{width:100%;height:42px;background:var(--bg-input);border-radius:12px;border:0;padding:0 14px;color:var(--text-white);font-size:15px;outline:none;transition:box-shadow 0.15s}.auth-card input:focus{box-shadow:0 0 0 2px var(--cyan-accent)}.btn-submit{width:100%;height:46px;background:var(--bg-active);border-radius:14px;color:var(--text-white);font-size:16px;font-weight:700;border:0;cursor:pointer;margin-top:8px;transition:background 0.15s}.btn-submit:hover{background:#365384}.auth-error{margin-bottom:14px;color:#ff7b7b;font-size:14px;text-align:center}.drive-page{background:var(--bg-main);min-height:100vh;position:relative}.desktop-header{height:72px;padding:24px 36px 0;display:flex;align-items:center;justify-content:space-between}.brand-text{font-size:26px;font-weight:700;color:var(--text-white);text-decoration:none;letter-spacing:-0.5px}.search-bar-wrap{width:380px;height:38px;border:2px solid #169ECF;border-radius:19px;background:#0c1c33;display:flex;align-items:center;padding:0 16px;margin:0 auto}.search-icon{width:18px;height:18px;margin-right:10px;flex-shrink:0}.search-bar-wrap input{width:100%;border:0;outline:0;background:transparent;color:var(--text-white);font-size:15px}.header-user-wrap{display:flex;align-items:center}.avatar-button{background:transparent;border:0;cursor:pointer;display:grid;place-items:center;padding:4px}.desktop-sidebar{position:fixed;left:32px;top:96px;width:172px;height:310px;background:var(--bg-card);border-radius:20px;padding:20px 14px 16px;display:flex;flex-direction:column;z-index:10}.sidebar-logo-wrap{text-align:center;margin-bottom:18px}.sidebar-icon{width:76px;height:auto;display:block;margin:0 auto;object-fit:contain}.sidebar-nav{display:flex;flex-direction:column;gap:8px}.nav-item{width:100%;height:42px;border-radius:14px;border:0;background:transparent;color:var(--text-muted);font-size:15px;font-weight:700;display:flex;align-items:center;gap:12px;padding:0 12px;cursor:pointer;text-align:left;transition:background 0.15s,color 0.15s}.nav-item:hover{background:rgba(44,66,105,0.4);color:var(--text-white)}.nav-item.active{background:var(--bg-active);color:var(--text-white)}.nav-icon{width:22px;height:22px;object-fit:contain}.sidebar-storage{margin-top:auto;padding:6px 4px;border-radius:8px;cursor:pointer;transition:background 0.15s}.sidebar-storage:hover{background:rgba(44,66,105,0.4)}.storage-label{font-size:11px;color:rgba(255,255,255,0.75);display:block;margin-bottom:6px;white-space:nowrap}.storage-track{height:4px;background:var(--bg-active);border-radius:2px;overflow:hidden}.storage-fill{height:100%;background:var(--cyan-accent);border-radius:2px;transition:width 0.3s ease}.sidebar-logout-form{margin-top:10px;padding:0 4px}.logout-link{background:transparent;border:0;color:var(--text-subtle);font-size:12px;cursor:pointer;padding:0;text-align:left}.logout-link:hover{color:var(--text-muted)}.drive-main{margin-left:236px;padding:24px 36px 140px}.mobile-header{display:none}.breadcrumbs-container{margin-bottom:24px}.drive-breadcrumbs{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.breadcrumb-btn{background:transparent;border:0;color:var(--text-muted);font-size:16px;font-weight:600;cursor:pointer;padding:0;transition:color 0.15s}.breadcrumb-btn:hover{color:var(--text-white)}.breadcrumb-btn.active{color:var(--text-white);font-weight:700;cursor:default;padding-bottom:4px;border-bottom:2.5px solid var(--cyan-accent)}.breadcrumb-sep{color:var(--text-muted);font-size:14px;user-select:none}.download-all-btn{background:var(--bg-active);color:var(--text-white);font-size:15px;font-weight:700;padding:8px 24px;border-radius:12px;border:0;cursor:pointer;margin:14px 0 6px 0;transition:background 0.15s}.download-all-btn:hover{background:#365384}.drive-notice{color:#cceffe;font-size:14px;margin-bottom:16px}.file-grid{display:grid;grid-template-columns:repeat(auto-fill,136px);gap:36px 36px;align-items:start}.grid-status{color:var(--text-muted);grid-column:1 / -1;font-size:15px}.file-card{display:flex;flex-direction:column;align-items:center;background:transparent;border:0;padding:0;cursor:pointer;width:136px;text-align:center}.file-tile{width:136px;height:136px;background:var(--bg-card);border-radius:20px;border:2.5px solid transparent;display:grid;place-items:center;transition:border-color 0.15s,transform 0.1s}.file-card:hover .file-tile{transform:translateY(-2px)}.file-card.selected .file-tile{border-color:var(--cyan-accent)}.file-tile img{width:58px;height:58px;object-fit:contain}.file-card-name{font-size:14px;color:#c4d1eb;margin-top:12px;max-width:136px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;text-align:center}.bottom-action-bar{position:fixed;left:50%;bottom:28px;transform:translate(-50%,24px);opacity:0;pointer-events:none;background:var(--bg-card);border-radius:30px;height:60px;padding:0 28px;display:none;align-items:center;gap:28px;z-index:100;box-shadow:0 10px 32px rgba(0,0,0,0.45);transition:opacity 0.24s cubic-bezier(0.16,1,0.3,1),transform 0.24s cubic-bezier(0.16,1,0.3,1)}.bottom-action-bar.active-view{display:flex}.bottom-action-bar.visible{opacity:1;transform:translate(-50%,0);pointer-events:auto}.action-btn{background:transparent;border:0;padding:4px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:transform 0.12s,opacity 0.15s}.action-btn:hover{transform:scale(1.12)}.action-btn:disabled{opacity:0.4;cursor:default;transform:none}.action-btn img{width:26px;height:26px;object-fit:contain;display:block}.upload-fab-btn{position:fixed;right:36px;bottom:28px;width:68px;height:68px;border-radius:50%;background:linear-gradient(135deg,var(--mint-accent),#02b8e9);border:3px solid var(--mint-accent);box-shadow:0 0 24px rgba(0,245,215,0.6);display:grid;place-items:center;cursor:pointer;z-index:100;transition:transform 0.15s,box-shadow 0.15s}.upload-fab-btn:hover{transform:scale(1.05);box-shadow:0 0 30px rgba(0,245,215,0.8)}.upload-menu-popup{position:fixed;right:36px;bottom:108px;width:210px;background:var(--bg-card);border:2px solid var(--mint-accent);border-radius:18px 18px 4px 18px;padding:4px 0;z-index:110;box-shadow:0 10px 30px rgba(0,0,0,0.5)}.menu-action-item{height:46px;padding:0 18px;display:flex;align-items:center;gap:14px;color:var(--text-muted);font-size:15px;font-weight:600;border-bottom:1px solid rgba(133,148,176,0.2);cursor:pointer;background:transparent;border-left:0;border-right:0;border-top:0;width:100%;text-align:left;transition:background 0.15s,color 0.15s}.menu-action-item:last-child{border-bottom:0}.menu-action-item:hover{background:rgba(44,66,105,0.3);color:var(--text-white)}.menu-action-item img{width:18px;height:18px;object-fit:contain}.info-dialog{border:0;border-radius:20px;background:transparent;padding:0;max-width:440px;width:90%;color:var(--text-white);margin:auto}.info-dialog::backdrop{background:rgba(4,12,24,0.75);backdrop-filter:blur(4px)}.info-card{background:var(--bg-card);border:2px solid var(--mint-accent);border-radius:20px;padding:24px 28px;box-shadow:0 16px 40px rgba(0,0,0,0.6)}.info-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;border-bottom:1px solid rgba(133,148,176,0.25);padding-bottom:12px}.info-header h2{font-size:20px;font-weight:700}.dialog-close{border:0;background:transparent;color:var(--text-muted);font-size:28px;line-height:1;cursor:pointer;padding:0 4px}.dialog-close:hover{color:var(--text-white)}.info-meta{display:grid;grid-template-columns:100px 1fr;gap:12px 16px;font-size:14px;line-height:1.4}.info-meta dt{color:var(--text-muted);font-weight:600}.info-meta dd{margin:0;word-break:break-all}.storage-card{max-width:400px}.storage-stats-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:22px;text-align:center}.storage-stat-box{background:var(--bg-input);border-radius:14px;padding:14px 8px;display:flex;flex-direction:column;align-items:center;gap:4px}.storage-stat-number{font-size:16px;font-weight:700;color:var(--text-white);white-space:nowrap}.storage-stat-title{font-size:12px;font-weight:600;color:var(--text-muted)}.storage-section-divider{height:1px;background:rgba(133,148,176,0.25);margin:16px 0}.storage-app-row{background:var(--bg-input);border-radius:14px;padding:14px 18px;display:flex;align-items:center;justify-content:space-between}.storage-app-name{font-size:15px;font-weight:700;color:var(--text-white)}.storage-app-size{font-size:15px;font-weight:700;color:var(--cyan-accent)}.account-card{max-width:440px}.account-user-badge{display:flex;align-items:center;gap:14px;background:var(--bg-input);border-radius:14px;padding:14px 16px;margin-bottom:20px}.account-badge-avatar{width:44px;height:44px;border-radius:50%;background:rgba(0,245,215,0.12);border:1.5px solid var(--mint-accent);display:flex;align-items:center;justify-content:center;color:var(--mint-accent);flex-shrink:0}.account-badge-info{display:flex;flex-direction:column;gap:3px;min-width:0}.account-badge-name{font-size:16px;font-weight:700;color:var(--text-white);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.account-badge-sub{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-muted)}.account-role-pill{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:0.5px;padding:2px 8px;border-radius:10px;background:rgba(0,212,255,0.18);color:var(--cyan-accent);border:1px solid rgba(0,212,255,0.35)}.account-tabs{display:flex;gap:8px;margin-bottom:20px;background:var(--bg-input);padding:4px;border-radius:12px}.account-tab-btn{flex:1;height:36px;background:transparent;border:0;border-radius:8px;color:var(--text-muted);font-size:13px;font-weight:700;cursor:pointer;transition:all 0.15s ease}.account-tab-btn:hover{color:var(--text-white)}.account-tab-btn.active{background:var(--bg-active);color:var(--text-white);box-shadow:0 2px 8px rgba(0,0,0,0.25)}.account-notice{padding:10px 14px;border-radius:10px;font-size:13px;margin-bottom:16px;line-height:1.4;text-align:center}.account-notice.notice-success{background:rgba(0,245,215,0.12);border:1px solid var(--mint-accent);color:var(--mint-accent)}.account-notice.notice-error{background:rgba(255,92,92,0.12);border:1px solid #ff5c5c;color:#ff7b7b}.account-section{display:flex;flex-direction:column;gap:14px}.account-section .form-group{display:flex;flex-direction:column;gap:6px}.account-section label{font-size:13px;color:var(--text-muted);font-weight:600}.account-section input[type="text"],.account-section input[type="password"]{height:42px;background:var(--bg-input);border:1px solid rgba(133,148,176,0.2);border-radius:12px;padding:0 14px;color:var(--text-white);font-size:14px;outline:none;transition:border-color 0.15s,box-shadow 0.15s}.account-section input[type="text"]:focus,.account-section input[type="password"]:focus{border-color:var(--cyan-accent);box-shadow:0 0 0 2px rgba(0,212,255,0.2)}.checkbox-group{flex-direction:row !important;align-items:center;margin-top:2px}.checkbox-label{display:flex;align-items:center;gap:10px;cursor:pointer;font-size:14px !important;color:var(--text-white) !important}.checkbox-label input[type="checkbox"]{width:18px;height:18px;accent-color:var(--mint-accent);cursor:pointer}.account-modal-footer{margin-top:20px;padding-top:16px;border-top:1px solid rgba(133,148,176,0.2);display:flex;justify-content:center}.btn-logout-alt{width:100%;height:40px;background:transparent;border:1px solid rgba(255,92,92,0.4);border-radius:12px;color:#ff7b7b;font-size:14px;font-weight:700;cursor:pointer;transition:background 0.15s,border-color 0.15s,color 0.15s}.btn-logout-alt:hover{background:rgba(255,92,92,0.15);border-color:#ff5c5c;color:#fff}.preview-dialog{border:0;border-radius:20px;background:transparent;padding:0;max-width:860px;width:92%;color:var(--text-white);margin:auto}.preview-dialog::backdrop{background:rgba(4,12,24,0.82);backdrop-filter:blur(6px)}.preview-card{background:var(--bg-card);border:2px solid var(--mint-accent);border-radius:20px;padding:20px 24px;box-shadow:0 20px 50px rgba(0,0,0,0.7);display:flex;flex-direction:column;max-height:88vh}.preview-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px;border-bottom:1px solid rgba(133,148,176,0.25);padding-bottom:12px;gap:16px}.preview-title-wrap{display:flex;align-items:center;gap:12px;min-width:0}.preview-type-icon{width:24px;height:24px;object-fit:contain;flex-shrink:0}.preview-title{font-size:18px;font-weight:700;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.preview-header-actions{display:flex;align-items:center;gap:16px;flex-shrink:0}.preview-download-link{display:grid;place-items:center;padding:4px;transition:transform 0.15s}.preview-download-link:hover{transform:scale(1.1)}.preview-download-link img{width:22px;height:22px;object-fit:contain}.preview-body{display:flex;justify-content:center;align-items:center;overflow:auto;max-height:72vh;padding:10px 0}.preview-media{max-width:100%;max-height:70vh;object-fit:contain;border-radius:12px}.preview-video{width:100%;max-height:70vh;border-radius:12px;background:#000000;outline:none}.preview-audio-container{display:flex;flex-direction:column;align-items:center;gap:16px;padding:24px 16px;width:100%;max-width:480px}.preview-audio-banner{width:64px;height:64px;object-fit:contain}.preview-audio-name{font-size:16px;font-weight:600;color:var(--text-white);text-align:center}.preview-audio-player{width:100%;outline:none}.preview-frame{width:100%;height:70vh;border:0;border-radius:12px;background:#ffffff}.preview-code{width:100%;max-height:68vh;background:var(--bg-input);border-radius:12px;padding:16px 20px;overflow:auto;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono","Courier New",monospace;font-size:14px;line-height:1.5;color:#e2ecff;tab-size:4}.preview-code code{font-family:inherit;white-space:pre}.preview-unsupported-box{display:flex;flex-direction:column;align-items:center;gap:12px;padding:32px 16px;text-align:center}.preview-unsupported-icon{width:64px;height:64px;object-fit:contain}.preview-unsupported-name{font-size:17px;font-weight:700;color:var(--text-white);max-width:400px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.preview-unsupported-size{font-size:14px;color:var(--text-muted)}.preview-unsupported-hint{font-size:14px;color:var(--text-subtle);margin-bottom:8px}.preview-download-cta{display:inline-flex;align-items:center;justify-content:center;width:auto;padding:0 32px;text-decoration:none}@media (max-width:768px){.auth-page{padding:16px 14px}.auth-page::after{width:65vw;height:45vh;min-width:220px;min-height:200px}.auth-shell{max-width:100%}.auth-logo{width:120px;margin-bottom:12px}.auth-title{font-size:20px;margin-bottom:14px}.auth-card{padding:20px 18px;border-radius:16px}.desktop-header,.desktop-sidebar{display:none !important}.drive-main{margin-left:0;padding:0 20px 120px}.mobile-header{display:flex;flex-direction:column;align-items:center;margin-top:24px}.mobile-logo-link{display:block;margin-bottom:18px}.mobile-logo{width:200px;height:auto;display:block}.mobile-tabs{display:flex;align-items:center;gap:16px;margin-bottom:24px}.mobile-tab-btn{height:42px;padding:0 20px;border-radius:14px;background:transparent;border:0;color:var(--text-muted);font-size:16px;font-weight:700;display:flex;align-items:center;gap:10px;cursor:pointer;transition:background 0.15s,color 0.15s}.mobile-tab-btn.active{background:var(--bg-active);color:var(--text-white)}.mobile-tab-icon{width:22px;height:22px;object-fit:contain}.breadcrumbs-container{display:flex;flex-direction:column;align-items:center;margin-bottom:20px}.drive-breadcrumbs{justify-content:center}.file-grid{grid-template-columns:repeat(2,1fr);gap:28px 18px;padding:0 4px}.file-card{width:100%}.file-tile{width:100%;max-width:140px;aspect-ratio:1;height:auto;border-radius:18px}.file-tile img{width:54px;height:54px}.file-card-name{max-width:100%;font-size:14px}.bottom-action-bar{left:20px;transform:translateY(24px);bottom:20px;height:56px;padding:0 20px;gap:20px;border-radius:28px}.bottom-action-bar.visible{transform:translateY(0);opacity:1;pointer-events:auto}.action-btn img{width:24px;height:24px}.upload-fab-btn{right:18px;bottom:18px;width:62px;height:62px}.upload-menu-popup{right:18px;bottom:90px;width:195px}.upload-menu-popup .menu-action-item{height:44px;font-size:14px}.public-drive-main{padding:0 16px 100px}}.public-share-page{min-height:100vh;background:var(--bg-main)}.public-header{max-width:1200px;margin:0 auto;padding:24px 24px 0}.public-mobile-header{margin-bottom:24px}.public-drive-main{margin-left:0;max-width:1200px;margin:0 auto;padding:24px 24px 120px}.public-file-main{max-width:800px;margin:24px auto 60px;padding:0 20px}.public-file-card{background:var(--bg-card);border-radius:20px;border:2px solid var(--mint-accent);padding:24px 28px;box-shadow:0 16px 40px rgba(0,0,0,0.5)}.public-file-header{display:flex;align-items:center;gap:14px;margin-bottom:20px;border-bottom:1px solid rgba(133,148,176,0.25);padding-bottom:16px}.public-file-title{font-size:20px;font-weight:700;color:var(--text-white);flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.public-file-size{font-size:14px;color:var(--text-muted);white-space:nowrap}.public-preview-container{display:flex;justify-content:center;align-items:center;min-height:240px;max-height:65vh;overflow:auto;margin-bottom:24px}.public-file-footer{display:flex;justify-content:center;border-top:1px solid rgba(133,148,176,0.25);padding-top:20px}