:root{font-family:Inter,Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-weight:400;color:#171927;background:#f5f7fb;font-synthesis:none;text-rendering:optimizeLegibility}*{box-sizing:border-box}body{margin:0;min-width:320px}button,input,select,textarea{font:inherit}button{border:0;cursor:pointer}a{color:inherit}svg{display:block}.login-screen{min-height:100vh;display:grid;place-items:center;padding:32px;position:relative;overflow:hidden;background:#fbfdff}.soft-orb{position:absolute;width:520px;height:520px;border-radius:50%;background:#edf4ff}.orb-left{top:-300px;left:-170px}.orb-right{right:-160px;bottom:-130px}.dot-grid{position:absolute;width:130px;height:110px;background-image:radial-gradient(#d7e2f3 1.5px,transparent 1.5px);background-size:18px 18px}.dots-top{right:15%;top:19%}.dots-bottom{left:14%;bottom:18%}.login-card{position:relative;z-index:1;width:min(562px,100%);min-height:786px;padding:58px 46px 42px;border:1px solid #dde5f1;border-radius:18px;background:#fff;box-shadow:0 24px 70px #293c5c1f;display:grid;align-content:start;gap:20px}.login-logo,.book-logo{color:#2868ff;line-height:1;text-align:center}.login-logo{width:82px;height:82px;margin:0 auto;display:grid;place-items:center}.login-logo svg{width:78px;height:78px;fill:#3f49ff;filter:drop-shadow(0 10px 16px rgba(63,73,255,.22))}.login-card h1{text-align:center;font-size:32px;margin:-12px 0 0}.login-card p{text-align:center;color:#697489;margin:-10px 0 18px}label{display:grid;gap:10px;font-weight:500;color:#1d2436}.field-help{color:#667085;font-size:13px;font-weight:400}input,select{width:100%;min-height:44px;border:1px solid #d9e0eb;border-radius:8px;padding:9px 12px;background:#fff;color:#111827}.input-shell{min-height:52px;display:grid;grid-template-columns:26px 1fr 32px;align-items:center;gap:10px;border:1px solid #d8e0ec;border-radius:10px;padding:0 16px;color:#8995a9}.field-icon{display:grid;place-items:center;color:#8795aa}.field-icon svg,.password-toggle svg,.nav-icon svg,.stat-icon svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}.input-shell input{border:0;padding:0;min-height:0;font-weight:500}.input-shell input:focus{outline:0}.login-options,.table-actions,.card-title,.topbar,.table-header,.icon-actions,.pagination,.pagination div{display:flex;align-items:center;justify-content:space-between;gap:14px}.pagination div{justify-content:center!important;gap:4px}.icon-actions{gap:4px;justify-content:center!important}.checkline{display:inline-flex;align-items:center;gap:8px;font-weight:500;color:#3f485b}.checkline input,.switch input{width:18px;min-height:18px}.password-toggle{width:30px;height:30px;display:grid;place-items:center;border-radius:50%;background:transparent;color:#7c8ba1}.password-toggle:hover{background:#eef4ff;color:#1765ff}.link-button{color:#0f66ff;background:transparent;padding:0}.primary{min-height:46px;padding:0 18px;border-radius:8px;background:#1765ff;color:#fff;font-weight:500;box-shadow:0 10px 22px #1765ff33}.login-submit{min-height:54px;font-size:17px;margin-top:2px}.login-submit:disabled{opacity:1;background:#1765ff;color:#fff}.divider{display:grid;grid-template-columns:1fr auto 1fr;gap:22px;align-items:center;color:#778295}.divider span{height:1px;background:#e1e7f0}.divider em{font-style:normal}.google-button{min-height:52px;border:1px solid #d8e0ec;border-radius:9px;background:#fff;color:#293244;font-weight:500}.google-button b{color:#4285f4;margin-right:12px}.login-foot strong{color:#0f66ff}.api-note{display:none}.app-shell{display:grid;grid-template-columns:282px minmax(0,1fr);min-height:100vh;background:#f8fafc}.sidebar{height:100vh;position:sticky;top:0;padding:38px 14px;background:#fff;border-right:1px solid #edf1f6;display:flex;flex-direction:column;gap:42px}.brand{display:flex;align-items:center;gap:14px;padding:0 12px;font-size:22px}.brand strong{font-weight:500}.brand .book-logo{width:38px;height:38px;display:grid;place-items:center}.book-logo svg{width:38px;height:38px;fill:#3f49ff}nav{display:grid;gap:14px}nav button,.logout-button{min-height:50px;display:flex;align-items:center;gap:14px;padding:0 16px;border-radius:9px;background:transparent;color:#46536a;font-weight:500}.nav-icon{width:24px;height:24px;display:grid;place-items:center;color:#63718a}nav button.active{color:#0f66ff;background:#edf4ff}nav button.active .nav-icon{color:#0f66ff}.logout-button{margin-top:auto}.main-area{padding:40px 42px 36px;display:grid;gap:18px;align-content:start}.topbar h1{margin:0 0 8px;font-size:24px;color:#111827}.topbar p,.table-header p,.muted{margin:0;color:#697489}.admin-chip{display:flex;align-items:center;gap:12px}.admin-chip span{width:42px;height:42px;display:grid;place-items:center;border-radius:50%;background:#eaf2ff;color:#0f66ff;font-weight:500}.admin-chip em{font-style:normal;color:#667085}.stats-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.stat-card,.card{border:1px solid #e0e6ef;border-radius:12px;background:#fff;box-shadow:0 16px 40px #1c27410d}.stat-card{min-height:150px;padding:30px 28px;display:flex;align-items:center;gap:24px}.stat-icon{width:66px;height:66px;display:grid;place-items:center;border-radius:50%}.stat-icon svg{width:30px;height:30px;stroke-width:2.2}.blue .stat-icon{background:#e9f1ff;color:#2b6dff}.green .stat-icon{background:#e3f6ec;color:#24a15a}.purple .stat-icon{background:#eee7ff;color:#784ee6}.orange .stat-icon{background:#fff0dc;color:#dc7b13}.stat-card p{margin:0 0 8px;color:#5c667a;font-size:15px}.stat-card strong{display:block;font-size:31px;color:#0e1424;line-height:1}.stat-card small{display:block;margin-top:10px;color:#059657}.dashboard-grid{display:grid;grid-template-columns:minmax(0,1.36fr) minmax(380px,.84fr);gap:18px}.card{padding:24px}.card-title h2,.table-header h2{margin:0;font-size:18px}.select-button{min-height:36px;border:1px solid #dfe5ee;border-radius:7px;background:#fff;color:#4c5870;padding:0 14px}.chart{margin-top:22px;position:relative}.chart svg{width:100%;height:286px;display:block}.grid-lines{position:absolute;top:12px;right:0;bottom:32px;left:0;display:grid;grid-template-rows:repeat(6,1fr);pointer-events:none}.grid-lines span{border-top:1px solid #e9edf4;color:#46536a;font-size:13px}.chart-labels{display:grid;grid-template-columns:repeat(7,1fr);color:#46536a;font-size:13px;text-align:center}.latest-list{display:grid;gap:16px;margin-top:18px}.latest-book{display:grid;grid-template-columns:52px 1fr 26px;gap:14px;align-items:center}.cover-tile{width:46px;height:64px;display:grid;place-items:center;border-radius:4px;background:linear-gradient(160deg,#fff4de,#dcecff);color:#1f2937;font-weight:500;font-size:12px}.cover-tile.image,.book-cover-thumb{object-fit:cover;background:#f5f7fb}.cover-tile.image{display:block}.cover-1{background:linear-gradient(160deg,#f5eddd,#fffaf1)}.cover-2{background:linear-gradient(160deg,#2d5f99,#95c3ec);color:#fff}.cover-3{background:linear-gradient(160deg,#f1e7d4,#fffdf6)}.cover-4{background:linear-gradient(160deg,#263e56,#8ca8bd);color:#fff}.latest-book strong,.latest-book span,.latest-book small{display:block}.latest-book span,.latest-book small{color:#697489;margin-top:3px}.latest-book button,.kebab{background:transparent;color:#667085}.table-card{padding:0;overflow:hidden}.table-header{padding:28px;border-bottom:1px solid #e6ebf2}.search-box{width:260px;min-height:46px;display:grid;grid-template-columns:24px 1fr;align-items:center;border:1px solid #dce3ee;border-radius:8px;padding:0 14px;color:#7b8798;font-weight:500}.search-box input{min-height:0;border:0;padding:0}.search-box input:focus{outline:0}.table-wrap{overflow-x:auto}.admin-email-form{display:grid;grid-template-columns:minmax(240px,1fr) minmax(240px,1.4fr) auto;gap:16px;align-items:end;padding:24px 28px;border-bottom:1px solid #e6ebf2;background:#fbfcff}.cms-table{width:100%;min-width:920px;border-collapse:collapse}.subscriber-table{min-width:980px}.cms-table th,.cms-table td{padding:16px 28px;text-align:left;border-bottom:1px solid #e6ebf2;color:#2b3548;vertical-align:middle}.cms-table th{font-size:14px;color:#5f6b80;font-weight:500;background:#fff}.cms-table td a{color:#111827;font-weight:500;text-decoration:none}.cms-table small{display:block;color:#7c8798;margin-top:4px}.book-cover-thumb{width:48px;height:66px;display:grid;place-items:center;border:1px solid #e1e7f0;border-radius:5px;color:#526071;font-size:12px;font-weight:600}.book-cover-thumb.fallback{background:linear-gradient(160deg,#f8fbff,#e9f0fa)}.cms-table input,.cms-table select{min-height:38px}.money{max-width:140px}.switch{display:inline-flex;align-items:center;gap:8px;font-weight:500;color:#4b5565}.status-badge{display:inline-flex;padding:7px 13px;border-radius:999px;background:#fff0db;color:#b46510;font-size:13px;font-weight:500}.status-badge.ok{background:#e4f8ed;color:#149154}.avatar-dot{width:28px;height:28px;display:inline-grid;place-items:center;margin-right:12px;border-radius:50%;background:#4b8dff;color:#fff;font-size:13px;font-weight:500}.read-btn,.edit-btn,.status-action-btn,.delete-btn{width:38px;height:38px;display:grid;place-items:center;border-radius:8px;font-size:19px;font-weight:500}.read-btn{background:#e8f7f0;color:#0f8a52}.edit-btn{background:#eaf1ff;color:#235dff}.status-action-btn{background:#fff0db;color:#b46510}.status-action-btn.ok{background:#e4f8ed;color:#149154}.delete-btn{background:#ffe7e7;color:#e11d32}.pagination{padding:20px 28px;color:#5f6b80}.pagination button{width:38px;height:38px;border:1px solid #dce3ee;border-radius:7px;background:#fff;color:#344054}.pagination button.active{background:#1765ff;color:#fff;border-color:#1765ff}.form-grid{padding:0 28px 28px;display:grid;grid-template-columns:repeat(5,minmax(0,1fr)) auto;gap:14px;align-items:end}.upload-card{max-width:780px}.edit-card{max-width:760px}.subscriber-form-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.subscriber-form-actions,.subscriber-form-grid .standalone-switch{grid-column:1 / -1}.long-token{display:inline-block;max-width:220px;overflow-wrap:anywhere}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:50;display:grid;place-items:center;padding:24px;background:#0f172a6b}.detail-modal{width:min(820px,100%);max-height:min(760px,calc(100vh - 48px));overflow:auto;border-radius:8px;background:#fff;box-shadow:0 18px 60px #0f172a2e}.detail-modal-header{display:flex;align-items:flex-start;justify-content:space-between;gap:18px;padding:24px 28px;border-bottom:1px solid #e6ebf2}.detail-modal-header h2{margin:0;color:#111827;font-size:22px;font-weight:600}.detail-modal-header p{margin:6px 0 0;color:#667085}.modal-close{width:38px;height:38px;display:grid;place-items:center;border-radius:8px;background:#f3f6fb;color:#344054;font-size:24px;line-height:1}.detail-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;padding:24px 28px 28px}.detail-item{display:grid;gap:6px;padding:14px 16px;border:1px solid #e6ebf2;border-radius:8px;background:#fbfcff}.detail-item.wide{grid-column:1 / -1}.detail-item span{color:#667085;font-size:13px}.detail-item strong{color:#182230;font-size:15px;font-weight:500;overflow-wrap:anywhere}.reader-card{display:grid;gap:18px;padding:24px}.reader-toolbar,.reader-nav{display:flex;align-items:center;justify-content:space-between;gap:14px}.reader-toolbar h2{margin:0;color:#172033}.reader-toolbar p{margin:4px 0 0;color:#667085}.reader-link{text-decoration:none}.reader-frame{position:relative;height:min(72vh,760px);min-height:520px;overflow:hidden;border:1px solid #dce3ee;border-radius:8px;background:#fff}.epub-host{width:100%;height:100%}.reader-state{position:absolute;top:0;right:0;bottom:0;left:0;z-index:2;display:grid;place-items:center;background:#ffffffeb;color:#526071;font-weight:600}.reader-nav{justify-content:flex-end}.edit-form{margin-top:22px;display:grid;gap:18px}.standalone-switch{width:max-content}.edit-actions{display:flex;justify-content:flex-end;gap:12px;padding-top:4px}.upload-form{display:grid;gap:16px}progress{width:100%;height:14px}.alert,.loading,.result{border-radius:8px;padding:12px 14px}.error{background:#ffecec;color:#971d1d}.notice{background:#e9f7ef;color:#126238}.loading{background:#fff7da;color:#735300}.result{display:grid;gap:5px;background:#f4f8ff;border:1px solid #d7e4ff}code{font-size:12px}button:disabled{opacity:.6;cursor:not-allowed}.upload-blocked{overflow:hidden}.upload-blocker{position:fixed;top:0;right:0;bottom:0;left:0;z-index:9999;display:grid;place-items:center;padding:24px;background:#0f172a94;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);pointer-events:all;cursor:wait}.upload-panel{width:min(440px,100%);border:1px solid rgba(226,232,240,.9);border-radius:12px;background:#fff;color:#111827;box-shadow:0 24px 80px #0f172a47;padding:28px;display:grid;justify-items:center;gap:14px;text-align:center}.upload-panel h2{margin:4px 0 0;font-size:20px}.upload-panel p{margin:0;color:#667085}.spinner{width:48px;height:48px;border:4px solid #dbe7ff;border-top-color:#1765ff;border-radius:50%;animation:upload-spin .8s linear infinite}.progress-track{width:100%;height:10px;border-radius:999px;overflow:hidden;background:#e8eef8}.progress-track span{display:block;height:100%;border-radius:inherit;background:#1765ff;transition:width .18s ease}.progress-track.indeterminate span{width:42%;animation:upload-sweep 1.1s ease-in-out infinite}@keyframes upload-spin{to{transform:rotate(360deg)}}@keyframes upload-sweep{0%{transform:translate(-120%)}to{transform:translate(260%)}}@media(max-width:1100px){.app-shell{grid-template-columns:1fr}.sidebar{position:static;height:auto}.stats-grid,.dashboard-grid,.form-grid,.subscriber-form-grid{grid-template-columns:1fr}.topbar,.table-header,.table-actions{align-items:flex-start;flex-direction:column}.admin-email-form{grid-template-columns:1fr}}