@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&family=JetBrains+Mono:wght@400;500&display=swap');
*{box-sizing:border-box;margin:0;padding:0;}
html,body{background:#ffffff;color:#1e293b;font-family:'Inter',sans-serif;min-height:100vh;}

/* LANDING */
.landing{display:none;min-height:100vh;}
.landing.show{display:block;}
.app{display:none;}
.app.show{display:block;}

.landing-hero{text-align:center;padding:60px 20px 40px;background:radial-gradient(ellipse 80% 50% at 50% 0%,rgba(245,158,11,0.08),transparent);}
.landing-badge{display:inline-block;background:rgba(16,185,129,0.1);border:1px solid rgba(16,185,129,0.3);border-radius:20px;padding:5px 16px;font-size:11px;font-weight:700;color:#059669;letter-spacing:1px;text-transform:uppercase;margin-bottom:20px;}
.landing-hero h1{font-size:clamp(28px,7vw,48px);font-weight:900;letter-spacing:-2px;line-height:1.05;color:#0f172a;margin-bottom:14px;}
.landing-hero h1 em{font-style:normal;background:linear-gradient(135deg,#f59e0b,#ef4444);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;}
.landing-sub{font-size:15px;color:#64748b;max-width:460px;margin:0 auto 30px;line-height:1.7;}
.cta-btn{display:inline-block;background:linear-gradient(135deg,#f59e0b,#ef4444);color:white;border:none;border-radius:16px;padding:18px 40px;font-size:17px;font-weight:800;cursor:pointer;font-family:inherit;box-shadow:0 8px 32px rgba(245,158,11,0.3);transition:all 0.2s;text-decoration:none;}
.cta-btn:hover{transform:translateY(-2px);box-shadow:0 12px 40px rgba(245,158,11,0.4);}
.landing-note{font-size:12px;color:#94a3b8;margin-top:12px;}
.landing-flags{font-size:22px;margin-top:24px;letter-spacing:4px;}
.landing-stats{display:flex;justify-content:center;gap:40px;flex-wrap:wrap;padding:40px 20px;border-top:1px solid rgba(0,0,0,0.06);border-bottom:1px solid rgba(0,0,0,0.06);}
.stat-item{text-align:center;}
.stat-num{font-size:36px;font-weight:900;background:linear-gradient(135deg,#f59e0b,#ef4444);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;}
.stat-label{font-size:11px;color:#94a3b8;font-weight:600;text-transform:uppercase;letter-spacing:0.5px;margin-top:4px;}
.landing-features{max-width:900px;margin:0 auto;padding:50px 20px;}
.landing-features h2{text-align:center;font-size:28px;font-weight:800;color:#0f172a;margin-bottom:8px;letter-spacing:-1px;}
.landing-features-sub{text-align:center;font-size:14px;color:#64748b;margin-bottom:32px;}
.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;}
.feature-card{background:#f8fafc;border:1px solid rgba(0,0,0,0.06);border-radius:16px;padding:22px;transition:all 0.2s;}
.feature-card:hover{background:#f1f5f9;border-color:rgba(245,158,11,0.3);transform:translateY(-2px);}
.feature-icon{font-size:30px;margin-bottom:12px;}
.feature-title{font-size:14px;font-weight:700;color:#1e293b;margin-bottom:6px;}
.feature-desc{font-size:12px;color:#64748b;line-height:1.6;}
.testimonials{max-width:900px;margin:0 auto;padding:0 20px 50px;}
.testimonials h2{text-align:center;font-size:28px;font-weight:800;color:#0f172a;margin-bottom:8px;letter-spacing:-1px;}
.testi-sub{text-align:center;font-size:14px;color:#64748b;margin-bottom:32px;}
.testi-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px;}
.testi-card{background:#f8fafc;border:1px solid rgba(0,0,0,0.06);border-radius:16px;padding:22px;}
.testi-stars{color:#f59e0b;font-size:15px;margin-bottom:12px;}
.testi-text{font-size:13px;color:#475569;line-height:1.7;margin-bottom:16px;font-style:italic;}
.testi-author{display:flex;align-items:center;gap:10px;}
.testi-avatar{width:36px;height:36px;border-radius:50%;background:linear-gradient(135deg,#f59e0b,#ef4444);display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:800;color:white;}
.testi-name{font-size:13px;font-weight:700;color:#1e293b;}
.testi-school{font-size:11px;color:#94a3b8;}
.trust-row{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;padding:0 20px 30px;}
.trust-badge{background:#f8fafc;border:1px solid rgba(0,0,0,0.08);border-radius:20px;padding:6px 14px;font-size:11px;color:#64748b;font-weight:600;}
.landing-cta2{text-align:center;padding:40px 20px 60px;}
.landing-cta2 h2{font-size:26px;font-weight:800;color:#0f172a;margin-bottom:8px;letter-spacing:-1px;}
.landing-cta2 p{font-size:14px;color:#64748b;margin-bottom:24px;}
.landing-footer{text-align:center;padding:20px;border-top:1px solid rgba(0,0,0,0.06);font-size:11px;color:#94a3b8;}

/* APP HEADER */
.header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,0.97);backdrop-filter:blur(20px);border-bottom:1px solid rgba(245,158,11,0.15);padding:10px 16px;display:flex;align-items:center;justify-content:space-between;}
.logo{display:flex;align-items:center;gap:10px;}
.logo-mark{width:38px;height:38px;background:linear-gradient(135deg,#f59e0b,#ef4444);border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:900;color:white;box-shadow:0 0 16px rgba(245,158,11,0.3);overflow:hidden;padding:0;}
.logo-name{font-size:16px;font-weight:800;color:#0f172a;letter-spacing:-0.5px;}
.logo-tag{font-size:9px;color:#f59e0b;font-weight:600;letter-spacing:0.8px;text-transform:uppercase;}
.header-right{display:flex;align-items:center;gap:6px;flex-wrap:wrap;justify-content:flex-end;}
.counter{border-radius:20px;padding:5px 12px;font-size:11px;font-weight:700;font-family:'JetBrains Mono',monospace;border:1px solid;}
.counter-green{background:rgba(16,185,129,0.08);border-color:rgba(16,185,129,0.3);color:#059669;}
.counter-yellow{background:rgba(245,158,11,0.08);border-color:rgba(245,158,11,0.3);color:#d97706;}
.counter-red{background:rgba(239,68,68,0.08);border-color:rgba(239,68,68,0.3);color:#dc2626;}
.counter-gold{background:rgba(245,158,11,0.12);border-color:#f59e0b;color:#d97706;}
.upgrade-btn{background:linear-gradient(135deg,#f59e0b,#ef4444);color:white;border:none;border-radius:20px;padding:8px 16px;font-size:12px;font-weight:700;cursor:pointer;font-family:inherit;}

/* HERO */
.hero{text-align:center;padding:24px 16px 18px;background:radial-gradient(ellipse 80% 60% at 50% 0%,rgba(245,158,11,0.05),transparent);}
.eyebrow{display:inline-block;background:rgba(245,158,11,0.08);border:1px solid rgba(245,158,11,0.25);border-radius:20px;padding:4px 14px;font-size:11px;font-weight:700;color:#d97706;letter-spacing:1px;text-transform:uppercase;margin-bottom:10px;}
.hero h1{font-size:clamp(22px,6vw,34px);font-weight:800;letter-spacing:-1.5px;line-height:1.1;color:#0f172a;margin-bottom:6px;}
.hero h1 em{font-style:normal;background:linear-gradient(135deg,#f59e0b,#ef4444);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;}
.hero-sub{font-size:13px;color:#64748b;margin-bottom:16px;}

/* LEVEL SWITCHER */
.level-row{display:flex;justify-content:center;gap:8px;margin-bottom:14px;}
.level-btn{background:#f8fafc;border:1.5px solid rgba(0,0,0,0.08);border-radius:14px;padding:8px 22px;font-size:14px;font-weight:700;cursor:pointer;font-family:inherit;color:#64748b;transition:all 0.2s;}
.level-btn.active{background:rgba(245,158,11,0.1);border-color:#f59e0b;color:#d97706;}

/* COUNTRY */
.country-row{display:flex;align-items:center;justify-content:center;gap:8px;}
.country-label{font-size:11px;color:#94a3b8;}
.country-select{background:#f8fafc;border:1px solid rgba(0,0,0,0.1);border-radius:10px;padding:7px 12px;font-size:13px;color:#1e293b;font-family:inherit;outline:none;}

/* MAIN */
.main{max-width:840px;margin:0 auto;padding:0 14px 80px;}
.sec-label{font-size:10px;font-weight:700;color:#94a3b8;letter-spacing:1.2px;text-transform:uppercase;margin-bottom:8px;}

/* STATS */
.stats-row{display:flex;gap:8px;margin:14px 0;flex-wrap:wrap;}
.stat-box{flex:1;min-width:70px;background:#f8fafc;border:1px solid rgba(0,0,0,0.06);border-radius:12px;padding:10px 12px;text-align:center;}
.stat-box-num{font-size:18px;font-weight:800;color:#f59e0b;font-family:'JetBrains Mono',monospace;}
.stat-box-label{font-size:9px;color:#94a3b8;font-weight:600;text-transform:uppercase;margin-top:2px;}

/* TOPICS */
.browse-topics-btn{width:100%;background:rgba(245,158,11,0.06);border:1px solid rgba(245,158,11,0.25);border-radius:12px;padding:12px;font-size:13px;font-weight:700;color:#d97706;cursor:pointer;font-family:inherit;margin-bottom:14px;display:flex;align-items:center;justify-content:center;gap:6px;}
.topics-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:6px;margin-bottom:16px;}
@media(max-width:500px){.topics-grid{grid-template-columns:repeat(4,1fr);}}
@media(max-width:360px){.topics-grid{grid-template-columns:repeat(3,1fr);}}
.topic-btn{border-radius:10px;padding:10px 4px;text-align:center;cursor:pointer;background:#f8fafc;border:1px solid rgba(0,0,0,0.06);transition:all 0.15s;font-family:inherit;color:#64748b;}
.topic-btn.active{background:#f1f5f9;border-color:rgba(245,158,11,0.3);}
.topic-icon{font-size:16px;display:block;margin-bottom:3px;}
.topic-name{font-size:9px;font-weight:600;line-height:1.2;}

/* INPUT */
.input-wrap{background:#fffbeb;border:2px solid rgba(245,158,11,0.4);border-radius:20px;overflow:hidden;box-shadow:0 4px 20px rgba(245,158,11,0.08);margin-bottom:12px;}
.input-top-bar{padding:8px 14px 6px;display:flex;align-items:center;gap:6px;border-bottom:1px solid rgba(245,158,11,0.15);}
.input-top-bar span{font-size:11px;font-weight:700;color:#d97706;letter-spacing:0.5px;text-transform:uppercase;}
.input-row{display:flex;align-items:flex-end;gap:10px;padding:10px 14px 8px;}
textarea{flex:1;background:transparent;border:none;outline:none;color:#0f172a;font-size:16px;font-family:'Inter',sans-serif;resize:none;line-height:1.6;min-height:50px;max-height:120px;font-weight:500;}
textarea::placeholder{color:#94a3b8;font-size:14px;}
.solve-btn{background:linear-gradient(135deg,#f59e0b,#ef4444);color:white;border:none;border-radius:12px;padding:12px 20px;font-size:15px;font-weight:800;cursor:pointer;font-family:inherit;white-space:nowrap;flex-shrink:0;box-shadow:0 4px 20px rgba(245,158,11,0.35);transition:all 0.2s;}
.solve-btn:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 6px 28px rgba(245,158,11,0.5);}
.solve-btn:disabled{opacity:0.4;cursor:not-allowed;}
.input-actions{display:flex;gap:8px;padding:6px 14px 10px;border-top:1px solid rgba(245,158,11,0.12);flex-wrap:wrap;}
.cam-btn{display:flex;align-items:center;gap:5px;background:rgba(99,102,241,0.08);border:1px solid rgba(99,102,241,0.3);border-radius:20px;padding:6px 12px;font-size:12px;font-weight:700;color:#4f46e5;cursor:pointer;font-family:inherit;}
.up-btn{display:flex;align-items:center;gap:5px;background:rgba(16,185,129,0.08);border:1px solid rgba(16,185,129,0.3);border-radius:20px;padding:6px 12px;font-size:12px;font-weight:700;color:#059669;cursor:pointer;font-family:inherit;}
.clr-btn{display:flex;align-items:center;gap:5px;background:rgba(239,68,68,0.08);border:1px solid rgba(239,68,68,0.25);border-radius:20px;padding:6px 12px;font-size:12px;font-weight:700;color:#dc2626;cursor:pointer;font-family:inherit;}
.examples-row{display:flex;gap:6px;flex-wrap:wrap;padding:0 14px 10px;}
.chip{background:#f8fafc;border:1px solid rgba(0,0,0,0.08);border-radius:20px;padding:3px 10px;font-size:11px;color:#64748b;cursor:pointer;font-family:'JetBrains Mono',monospace;transition:all 0.15s;}
.chip:hover{color:#d97706;border-color:rgba(245,158,11,0.4);}

/* PHOTO PREVIEW */
.photo-preview{display:none;margin-bottom:12px;border-radius:14px;overflow:hidden;border:2px solid rgba(245,158,11,0.3);}
.photos-row{display:flex;gap:8px;flex-wrap:wrap;padding:10px;background:#f8fafc;}
.photo-item{position:relative;flex:1;min-width:120px;max-width:200px;}
.photo-item img{width:100%;border-radius:10px;max-height:180px;object-fit:cover;display:block;}
.photo-remove-btn{position:absolute;top:4px;right:4px;background:rgba(239,68,68,0.85);color:white;border:none;border-radius:50%;width:22px;height:22px;font-size:11px;font-weight:800;cursor:pointer;display:flex;align-items:center;justify-content:center;line-height:1;}
.photo-crop-btn{position:absolute;top:4px;left:4px;background:rgba(0,0,0,0.72);color:white;border:none;border-radius:10px;padding:2px 8px;font-size:10px;font-weight:700;cursor:pointer;}
.photo-add-row{display:flex;align-items:center;justify-content:space-between;padding:5px 10px;background:#f8fafc;border-top:1px solid rgba(0,0,0,0.06);}
.photo-add-btn{background:rgba(99,102,241,0.1);border:1px solid rgba(99,102,241,0.3);border-radius:20px;padding:6px 14px;font-size:12px;font-weight:700;color:#4f46e5;cursor:pointer;font-family:inherit;}
.photo-count{font-size:11px;color:#94a3b8;font-weight:600;}
.photo-action-row{display:flex;gap:8px;padding:8px;background:#f1f5f9;}
.photo-action-btn{flex:1;padding:9px;border:none;border-radius:10px;font-size:13px;font-weight:700;cursor:pointer;font-family:inherit;}
.btn-solve-photo{background:linear-gradient(135deg,#f59e0b,#ef4444);color:white;}
.btn-remove{background:#e2e8f0;color:#475569;}
/* CROP TOOL */
.crop-tool{display:none;padding:10px;background:#f8fafc;border-top:1px solid rgba(0,0,0,0.06);}
.crop-title{font-size:11px;color:#d97706;font-weight:700;text-align:center;margin-bottom:8px;}
.crop-canvas-wrap{position:relative;width:100%;text-align:center;}
#crop-canvas{border-radius:8px;max-width:100%;display:block;margin:0 auto;cursor:crosshair;}
.crop-btn-row{display:flex;gap:8px;margin-top:8px;}
.crop-cancel{flex:1;padding:8px;border:1px solid rgba(239,68,68,0.3);background:rgba(239,68,68,0.06);color:#dc2626;border-radius:10px;font-size:12px;font-weight:700;cursor:pointer;font-family:inherit;}
.crop-apply{flex:2;padding:8px;background:linear-gradient(135deg,#f59e0b,#ef4444);color:white;border:none;border-radius:10px;font-size:12px;font-weight:700;cursor:pointer;font-family:inherit;}

/* SOLUTION */
.solution{border-radius:16px;overflow:hidden;border:1px solid rgba(0,0,0,0.08);margin-bottom:12px;background:#ffffff;box-shadow:0 2px 12px rgba(0,0,0,0.04);animation:fadeUp 0.3s ease;}
@keyframes fadeUp{from{opacity:0;transform:translateY(8px);}to{opacity:1;transform:translateY(0);}}
.sol-header{padding:12px 16px;border-bottom:1px solid rgba(0,0,0,0.06);display:flex;justify-content:space-between;align-items:center;background:#f8fafc;}
.sol-label{font-size:11px;font-weight:700;color:#d97706;text-transform:uppercase;letter-spacing:0.8px;}
.sol-tag{font-size:11px;font-weight:600;padding:3px 10px;border-radius:20px;background:#e2e8f0;color:#64748b;}
.sol-q{padding:8px 16px;font-family:'JetBrains Mono',monospace;font-size:12px;color:#475569;background:#f1f5f9;border-bottom:1px solid rgba(0,0,0,0.04);}
.sol-body{padding:16px;font-size:14px;line-height:1.9;color:#334155;}
.step{margin-bottom:14px;}
.step-num{font-weight:800;color:#d97706;font-size:13px;margin-bottom:3px;}
.step-content{color:#334155;line-height:1.85;}
.answer-box{background:linear-gradient(135deg,rgba(245,158,11,0.08),rgba(239,68,68,0.04));border:1.5px solid rgba(245,158,11,0.35);border-radius:12px;padding:14px;margin:14px 0;text-align:center;}
.answer-label{font-size:10px;font-weight:700;color:#d97706;text-transform:uppercase;letter-spacing:0.8px;margin-bottom:6px;}
.answer-val{font-size:17px;font-weight:800;color:#b45309;}
.tip-box{background:rgba(16,185,129,0.06);border-left:3px solid #059669;border-radius:0 10px 10px 0;padding:10px 14px;margin-top:10px;color:#047857;font-size:13px;}

/* MATH STYLES */
.frac{display:inline-flex;flex-direction:column;vertical-align:middle;text-align:center;line-height:1.2;margin:0 3px;position:relative;top:0.25em;font-size:0.92em;}
.frac .num{border-bottom:1.5px solid currentColor;padding:0 4px 2px;white-space:nowrap;}
.frac .den{padding:2px 4px 0;white-space:nowrap;}
.sqrt-wrap{display:inline-flex;align-items:stretch;vertical-align:middle;margin:0 2px;}
.sqrt-sign{font-size:1.2em;color:#334155;display:flex;align-items:flex-end;padding-bottom:1px;margin-right:-1px;}
.sqrt-inner{border-top:2px solid #334155;padding:2px 5px 0 3px;font-size:0.95em;margin-top:2px;line-height:1.4;}

/* TABLES */
.math-table-wrap{overflow-x:auto;margin:12px 0;border-radius:10px;border:1px solid rgba(0,0,0,0.08);}
.math-table{width:100%;border-collapse:collapse;font-size:13px;font-family:'JetBrains Mono',monospace;}
.math-table th{background:rgba(245,158,11,0.1);color:#d97706;font-weight:700;padding:9px 14px;text-align:center;border-bottom:1px solid rgba(245,158,11,0.25);}
.math-table td{padding:8px 14px;text-align:center;border-bottom:1px solid rgba(0,0,0,0.05);color:#334155;}
.math-table .total-row td{background:rgba(245,158,11,0.06);font-weight:700;color:#d97706;}
.math-table .sigma-row td{background:rgba(245,158,11,0.08);border-top:2px solid rgba(245,158,11,0.4);}
.sigma-notation{font-weight:800;color:#b45309;font-family:'JetBrains Mono',monospace;font-size:13px;}
.sigma-label{font-weight:800;color:#d97706;}

/* DIAGRAMS */
.diagram-wrap{background:#f8fafc;border:1px solid rgba(0,0,0,0.07);border-radius:12px;padding:14px;margin:12px 0;text-align:center;}
.diagram-label{font-size:10px;font-weight:700;color:#4f46e5;text-transform:uppercase;letter-spacing:0.8px;margin-bottom:10px;}
.diagram-wrap svg{max-width:100%;height:auto;}

/* FOLLOW-UP */
.followup-bar{background:rgba(99,102,241,0.04);border:1px solid rgba(99,102,241,0.15);border-radius:14px;padding:14px;margin-top:10px;}
.followup-label{font-size:12px;color:#64748b;font-weight:600;margin-bottom:10px;}
.followup-btns{display:flex;flex-wrap:wrap;gap:8px;}
.fu-btn{background:rgba(99,102,241,0.08);border:1px solid rgba(99,102,241,0.25);border-radius:20px;padding:7px 14px;font-size:11px;font-weight:700;color:#4f46e5;cursor:pointer;font-family:inherit;transition:all 0.15s;}
.fu-btn:hover{background:rgba(99,102,241,0.16);}
.fu-btn-green{background:rgba(16,185,129,0.06);border-color:rgba(16,185,129,0.25);color:#059669;}
.fu-btn-green:hover{background:rgba(16,185,129,0.14);}

/* HISTORY */
.history-header{display:flex;align-items:center;justify-content:space-between;margin:16px 0 8px;}
.clr-history-btn{background:rgba(239,68,68,0.06);border:1px solid rgba(239,68,68,0.25);border-radius:20px;padding:5px 12px;font-size:11px;font-weight:700;color:#dc2626;cursor:pointer;font-family:inherit;}
.history-item{display:flex;align-items:center;gap:10px;padding:8px 10px;border-radius:10px;cursor:pointer;border:1px solid transparent;transition:all 0.15s;}
.history-item:hover{background:#f8fafc;border-color:rgba(0,0,0,0.05);}
.h-dot{width:5px;height:5px;border-radius:50%;flex-shrink:0;}
.h-text{font-size:12px;color:#64748b;font-family:'JetBrains Mono',monospace;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* OFFLINE */
.offline-bar{background:linear-gradient(135deg,rgba(239,68,68,0.08),rgba(220,38,38,0.05));border:1px solid rgba(239,68,68,0.25);border-radius:12px;padding:10px 14px;margin-bottom:12px;display:none;align-items:center;gap:8px;}
.offline-text{font-size:13px;color:#dc2626;font-weight:600;}
.saved-section{margin-top:18px;display:none;}
.saved-card{background:#f8fafc;border:1px solid rgba(0,0,0,0.06);border-radius:12px;padding:12px;margin-bottom:8px;cursor:pointer;transition:all 0.15s;}
.saved-card:hover{border-color:rgba(245,158,11,0.3);}
.saved-card-q{font-size:13px;color:#475569;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.saved-card-tag{font-size:10px;color:#d97706;font-weight:600;margin-bottom:3px;}

/* LOADING */
.loading{display:flex;align-items:center;gap:12px;padding:20px;border:1px solid rgba(0,0,0,0.06);border-radius:16px;background:#f8fafc;margin-bottom:12px;}
.spinner{width:20px;height:20px;border:2px solid rgba(245,158,11,0.2);border-top-color:#f59e0b;border-radius:50%;animation:spin 0.6s linear infinite;flex-shrink:0;}
@keyframes spin{to{transform:rotate(360deg);}}
.loading-text strong{font-size:14px;color:#1e293b;display:block;}
.loading-text span{font-size:12px;color:#94a3b8;}

/* EMPTY */
.empty{text-align:center;padding:40px 20px;}
.empty-sym{font-size:48px;opacity:0.2;margin-bottom:10px;}
.empty p{font-size:14px;color:#94a3b8;}

/* LOCK */
.lock-screen{position:fixed;inset:0;z-index:90;background:rgba(255,255,255,0.97);backdrop-filter:blur(12px);display:none;flex-direction:column;align-items:center;justify-content:center;padding:30px;text-align:center;overflow-y:auto;}
.lock-icon{font-size:60px;margin-bottom:18px;}
.lock-title{font-size:24px;font-weight:800;color:#0f172a;margin-bottom:8px;}
.lock-desc{font-size:14px;color:#64748b;max-width:300px;margin:0 auto 24px;line-height:1.6;}
.lock-stats{display:flex;gap:12px;margin-bottom:24px;}
.lock-stat{background:#f8fafc;border:1px solid rgba(0,0,0,0.08);border-radius:12px;padding:12px 18px;text-align:center;}
.lock-stat-num{font-size:22px;font-weight:800;color:#f59e0b;}
.lock-stat-lbl{font-size:10px;color:#94a3b8;font-weight:600;text-transform:uppercase;}

/* PAYWALL */
.paywall-bg{position:fixed;inset:0;z-index:100;background:rgba(15,23,42,0.75);backdrop-filter:blur(8px);display:none;align-items:center;justify-content:center;padding:20px;}
.paywall-box{background:#ffffff;border:1px solid rgba(0,0,0,0.08);border-radius:22px;padding:30px 22px;max-width:390px;width:100%;text-align:center;position:relative;animation:popIn 0.3s ease;box-shadow:0 20px 60px rgba(0,0,0,0.15);}
@keyframes popIn{from{opacity:0;transform:scale(0.9);}to{opacity:1;transform:scale(1);}}
.paywall-close{position:absolute;top:12px;right:14px;background:none;border:none;color:#94a3b8;font-size:18px;cursor:pointer;}
.paywall-crown{font-size:46px;margin-bottom:12px;}
.paywall-box h2{font-size:20px;font-weight:800;color:#0f172a;margin-bottom:6px;}
.paywall-desc{font-size:13px;color:#94a3b8;margin-bottom:14px;line-height:1.5;}

.email-wrap{margin-bottom:12px;text-align:left;}
.email-label{font-size:11px;color:#64748b;font-weight:600;margin-bottom:5px;display:block;}
.email-input{width:100%;background:#f8fafc;border:1px solid rgba(0,0,0,0.1);border-radius:10px;padding:10px 12px;font-size:14px;color:#1e293b;font-family:inherit;outline:none;}
.email-input:focus{border-color:rgba(245,158,11,0.5);}
.plans-list{display:flex;flex-direction:column;gap:8px;margin-bottom:14px;}
.plan-item{border:1px solid rgba(0,0,0,0.08);border-radius:10px;padding:11px 13px;display:flex;align-items:center;justify-content:space-between;cursor:pointer;transition:all 0.15s;text-align:left;}
.plan-item:hover,.plan-item.active{background:rgba(245,158,11,0.06);border-color:#f59e0b;}
.plan-name{font-size:13px;font-weight:700;color:#1e293b;}
.plan-desc{font-size:11px;color:#94a3b8;margin-top:1px;}
.plan-badge{background:linear-gradient(135deg,#f59e0b,#ef4444);color:white;border-radius:5px;padding:1px 6px;font-size:9px;font-weight:800;text-transform:uppercase;margin-left:5px;}
.plan-price{font-size:16px;font-weight:800;color:#d97706;font-family:'JetBrains Mono',monospace;white-space:nowrap;}
.plan-period{font-size:10px;color:#94a3b8;}
.pay-btn{width:100%;background:linear-gradient(135deg,#f59e0b,#ef4444);color:white;border:none;border-radius:12px;padding:14px;font-size:14px;font-weight:800;cursor:pointer;font-family:inherit;margin-bottom:8px;box-shadow:0 4px 20px rgba(245,158,11,0.25);}
.paywall-note{font-size:11px;color:#94a3b8;}

#cam-file{display:none;}
#gal-file{display:none;}

/* LOGIN MODAL */
.login-bg{position:fixed;inset:0;z-index:110;background:rgba(15,23,42,0.75);backdrop-filter:blur(8px);display:none;align-items:center;justify-content:center;padding:20px;}
.login-box{background:#ffffff;border:1px solid rgba(0,0,0,0.08);border-radius:22px;padding:30px 22px;max-width:360px;width:100%;text-align:center;position:relative;animation:popIn 0.3s ease;box-shadow:0 20px 60px rgba(0,0,0,0.15);}
.login-icon{font-size:44px;margin-bottom:12px;}
.login-box h2{font-size:20px;font-weight:800;color:#0f172a;margin-bottom:6px;}
.login-desc{font-size:13px;color:#94a3b8;margin-bottom:20px;line-height:1.5;}
.login-input{width:100%;background:#f8fafc;border:1px solid rgba(0,0,0,0.1);border-radius:12px;padding:12px 14px;font-size:15px;color:#1e293b;font-family:inherit;outline:none;margin-bottom:10px;text-align:center;}
.login-input:focus{border-color:rgba(245,158,11,0.5);}
.login-btn{width:100%;background:linear-gradient(135deg,#f59e0b,#ef4444);color:white;border:none;border-radius:12px;padding:14px;font-size:15px;font-weight:800;cursor:pointer;font-family:inherit;margin-bottom:10px;}
.login-skip{font-size:12px;color:#94a3b8;cursor:pointer;text-decoration:underline;display:block;margin-top:4px;}
.login-note{font-size:11px;color:#94a3b8;margin-top:10px;line-height:1.5;}
.toast{position:fixed;bottom:28px;left:50%;transform:translateX(-50%);color:white;border-radius:20px;padding:11px 22px;font-size:13px;font-weight:700;z-index:200;animation:toastIn 0.3s ease;white-space:nowrap;box-shadow:0 8px 24px rgba(0,0,0,0.2);}
@keyframes toastIn{from{opacity:0;transform:translateX(-50%) translateY(16px);}to{opacity:1;transform:translateX(-50%) translateY(0);}}