/* TransferHost - Light Theme */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
:root{--primary:#4F46E5;--primary-dark:#4338ca;--primary-light:#eef2ff;--bg:#ffffff;--bg-alt:#f8f9fb;--surface:#ffffff;--surface-hover:#f3f4f6;--text:#1a1a2e;--text-muted:#6b7280;--border:#e5e7eb;--border-light:#f0f0f0;--radius:14px;--radius-sm:10px;--shadow:0 4px 24px rgba(0,0,0,.06);--shadow-lg:0 12px 40px rgba(0,0,0,.1)}
html{font-size:16px}
body{font-family:'Inter',system-ui,-apple-system,sans-serif;background:var(--bg);color:var(--text);line-height:1.5;min-height:100vh;-webkit-font-smoothing:antialiased}

/* Layout */
.app-wrapper{display:flex;flex-direction:column;min-height:100vh}
.app-header{padding:20px 40px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--border-light)}
.logo{font-size:20px;font-weight:700;color:var(--text);text-decoration:none;letter-spacing:-.3px}
.header-nav{display:flex;gap:20px}
.nav-link{color:var(--text-muted);text-decoration:none;font-size:14px;font-weight:500;transition:all .2s}
.nav-link:hover{color:var(--primary)}
.nav-btn{background:#4F46E5 !important;color:#fff !important;padding:8px 18px;border-radius:8px}
.nav-btn:hover{background:#4338ca !important;color:#fff !important;opacity:.9}
.app-main{flex:1;display:flex;flex-direction:column;align-items:center;padding:40px 20px 60px}
.app-footer{padding:24px 40px;text-align:center;color:var(--text-muted);font-size:13px;border-top:1px solid var(--border-light)}

/* Hero */
.hero-section{text-align:center;max-width:600px;margin-bottom:40px}
.hero-title{font-size:32px;font-weight:700;color:var(--text);line-height:1.2;margin-bottom:12px;letter-spacing:-.5px}
.hero-subtitle{font-size:16px;color:var(--text-muted);line-height:1.6}

/* Upload Card */
.upload-card{width:100%;max-width:820px;background:var(--surface);border-radius:20px;box-shadow:var(--shadow-lg);border:1px solid var(--border);overflow:hidden}
.card-inner{padding:0}
.upload-step{display:none;padding:32px}
.upload-step.active{display:block}

/* Form Layout */
#stepForm{display:none;padding:0}
#stepForm.active{display:flex}
@media(max-width:700px){#stepForm.active{flex-direction:column}}
.upload-form-side{width:260px;padding:28px;border-right:1px solid var(--border);display:flex;flex-direction:column;gap:12px;background:var(--bg-alt)}
@media(max-width:700px){.upload-form-side{width:100%;border-right:none;border-bottom:1px solid var(--border);padding:20px}}
.upload-drop-side{flex:1;display:flex;flex-direction:column}

/* Form Inputs */
.form-group input,.form-group textarea,.form-group select{width:100%;padding:11px 14px;background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text);font-size:14px;font-family:inherit;outline:none;transition:border .2s,box-shadow .2s;resize:vertical}
.form-group input:focus,.form-group textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(79,70,229,.1)}
.form-group input::placeholder,.form-group textarea::placeholder{color:#aaa}
.password-toggle{font-size:13px;color:var(--text-muted)}
.toggle-label{display:flex;align-items:center;gap:6px;cursor:pointer}
.toggle-label input{width:auto}
.password-field{max-height:0;overflow:hidden;transition:max-height .3s}
.password-field.show{max-height:60px;margin-top:8px}

/* Drop Zone */
.drop-zone{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:40px 20px;cursor:pointer;transition:background .2s;min-height:220px}
.drop-zone:hover,.drop-zone.drag-over{background:var(--primary-light)}
.drop-icon{color:var(--primary);margin-bottom:16px;opacity:.6}
.drop-text{color:var(--text-muted);font-size:15px;margin-bottom:12px}
.btn-browse{background:transparent;border:2px solid var(--primary);color:var(--primary);padding:10px 28px;border-radius:var(--radius);font-size:14px;font-weight:600;cursor:pointer;transition:all .2s}
.btn-browse:hover{background:var(--primary);color:#fff}
.drop-limit{color:var(--text-muted);font-size:12px;margin-top:16px;opacity:.6}

/* File List */
.file-list{padding:0 20px}
.file-item{display:flex;align-items:center;gap:12px;padding:12px 14px;border-radius:var(--radius-sm);background:var(--bg-alt);margin-bottom:8px;animation:fadeIn .3s}
.file-item .fi-icon{font-size:20px;flex-shrink:0}
.file-item .fi-info{flex:1;min-width:0}
.file-item .fi-name{font-size:14px;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;display:block;color:var(--text)}
.file-item .fi-size{font-size:12px;color:var(--text-muted)}
.file-item .fi-progress{width:100%;height:3px;background:var(--border);border-radius:3px;margin-top:4px;overflow:hidden}
.file-item .fi-progress-bar{height:100%;background:var(--primary);border-radius:3px;transition:width .3s}
.file-item .fi-remove{background:none;border:none;color:var(--text-muted);cursor:pointer;font-size:18px;padding:4px 8px;border-radius:6px;transition:all .2s}
.file-item .fi-remove:hover{color:#ef4444;background:rgba(239,68,68,.08)}
@keyframes fadeIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}

/* Upload Actions */
.upload-actions{display:flex;align-items:center;justify-content:space-between;padding:16px 24px;border-top:1px solid var(--border);background:var(--bg-alt)}
.file-summary{font-size:13px;color:var(--text-muted)}
.action-buttons{display:flex;gap:10px;align-items:center}
.btn-add{display:inline-flex;align-items:center;gap:6px;background:transparent;border:1px dashed var(--border);color:var(--text-muted);padding:10px 16px;border-radius:var(--radius-sm);font-size:13px;cursor:pointer;transition:all .2s}
.btn-add:hover{border-color:var(--primary);color:var(--primary)}
.btn-send{display:inline-flex;align-items:center;gap:8px;background:#4F46E5 !important;color:#ffffff !important;border:none;padding:12px 28px;border-radius:var(--radius);font-size:15px;font-weight:600;cursor:pointer;transition:all .2s;text-decoration:none;box-shadow:0 2px 8px rgba(79,70,229,.25)}
.btn-send:hover{background:#4338ca !important;color:#ffffff !important;transform:translateY(-1px);box-shadow:0 4px 12px rgba(79,70,229,.4)}
.btn-send:disabled{opacity:.5;cursor:not-allowed;transform:none}
.btn-link{display:inline-flex;align-items:center;gap:6px;background:transparent;border:1px solid var(--border);color:var(--text);padding:10px 20px;border-radius:var(--radius);font-size:14px;font-weight:500;cursor:pointer;transition:all .2s}
.btn-link:hover{border-color:var(--primary);color:var(--primary)}

/* Uploading */
.uploading-view{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:40px 20px;min-height:300px}
.progress-ring-container{position:relative;width:140px;height:140px;margin-bottom:24px}
.progress-ring{width:100%;height:100%;transform:rotate(-90deg)}
.progress-ring-bg{fill:none;stroke:var(--border);stroke-width:6}
.progress-ring-fill{fill:none;stroke:var(--primary);stroke-width:6;stroke-linecap:round;stroke-dasharray:326.7;stroke-dashoffset:326.7;transition:stroke-dashoffset .3s}
.progress-percent{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);font-size:28px;font-weight:700;color:var(--text)}
.uploading-text{font-size:16px;color:var(--text);margin-bottom:8px}
.progress-details{font-size:13px;color:var(--text-muted)}

/* Complete */
.complete-view{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:40px 20px;min-height:300px;text-align:center}
.complete-icon{width:72px;height:72px;border-radius:50%;background:linear-gradient(135deg,#22c55e,#16a34a);display:flex;align-items:center;justify-content:center;margin-bottom:20px;animation:scaleIn .4s}
@keyframes scaleIn{from{transform:scale(0)}to{transform:scale(1)}}
.complete-title{font-size:22px;font-weight:700;margin-bottom:8px;color:var(--text)}
.complete-subtitle{color:var(--text-muted);font-size:14px;margin-bottom:24px}
.complete-link-box{display:flex;gap:0;width:100%;max-width:500px;margin-bottom:24px}
.complete-link-box input{flex:1;padding:12px 16px;background:var(--bg-alt);border:1px solid var(--border);border-radius:var(--radius-sm) 0 0 var(--radius-sm);color:var(--text);font-size:14px;outline:none}
.btn-copy{padding:12px 20px;background:#4F46E5;color:#fff;border:none;border-radius:0 var(--radius-sm) var(--radius-sm) 0;font-weight:600;cursor:pointer;font-size:14px;transition:background .2s}
.btn-copy:hover{background:#4338ca}
.btn-new{background:transparent;border:1px solid var(--border);color:var(--text);padding:10px 24px;border-radius:var(--radius);font-size:14px;cursor:pointer;transition:all .2s}
.btn-new:hover{border-color:var(--primary);color:var(--primary)}

/* ── Pricing Section ── */
.pricing-section{padding:80px 20px;background:var(--bg-alt);border-top:1px solid var(--border-light)}
.pricing-container{max-width:1100px;margin:0 auto}
.pricing-title{text-align:center;font-size:28px;font-weight:700;color:var(--text);margin-bottom:8px;letter-spacing:-.4px}
.pricing-subtitle{text-align:center;font-size:15px;color:var(--text-muted);margin-bottom:48px}
.pricing-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px}
.price-card{background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:32px 28px;position:relative;transition:all .2s}
.price-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-2px)}
.price-card.featured{border-color:var(--primary);box-shadow:0 8px 30px rgba(79,70,229,.12)}
.popular-tag{position:absolute;top:-12px;left:50%;transform:translateX(-50%);background:#4F46E5;color:#fff;font-size:12px;font-weight:600;padding:4px 16px;border-radius:20px}
.price-name{font-size:20px;font-weight:700;color:var(--text);margin-bottom:4px}
.price-desc{font-size:13px;color:var(--text-muted);margin-bottom:20px}
.price-amount{margin-bottom:24px;display:flex;align-items:baseline;gap:2px}
.price-currency{font-size:18px;font-weight:600;color:var(--text)}
.price-number{font-size:36px;font-weight:700;color:var(--text);letter-spacing:-1px;line-height:1}
.price-period{font-size:14px;color:var(--text-muted);margin-left:2px}
.price-features{list-style:none;margin-bottom:28px}
.price-features li{display:flex;align-items:center;gap:8px;padding:7px 0;font-size:14px;color:var(--text-muted);border-bottom:1px solid var(--border-light)}
.price-features li strong{color:var(--text);font-weight:600}
.price-features li svg{flex-shrink:0}
.price-btn{display:block;text-align:center;padding:12px 24px;border-radius:var(--radius-sm);font-size:14px;font-weight:600;text-decoration:none;transition:all .2s;border:1px solid var(--border);color:var(--text)}
.price-btn:hover{border-color:var(--primary);color:var(--primary)}
.price-btn-primary{background:#4F46E5 !important;color:#ffffff !important;border-color:#4F46E5 !important}
.price-btn-primary:hover{background:#4338ca !important;color:#ffffff !important;box-shadow:0 4px 12px rgba(79,70,229,.3)}

/* ── Download Page ── */
.download-page{background:var(--bg)}
.download-main{flex:1;display:flex;align-items:center;justify-content:center;padding:20px}
.download-card{width:100%;max-width:540px;background:var(--surface);border-radius:20px;box-shadow:var(--shadow-lg);border:1px solid var(--border);padding:32px;overflow:hidden}
.status-card{text-align:center;padding:60px 32px}
.status-icon{font-size:48px;margin-bottom:16px}
.status-card h2{font-size:20px;margin-bottom:10px;color:var(--text)}
.status-card p{color:var(--text-muted);font-size:14px;margin-bottom:24px}
.dl-header{margin-bottom:20px}
.dl-sender{display:flex;align-items:center;gap:14px}
.sender-avatar{width:44px;height:44px;border-radius:50%;background:var(--primary);display:flex;align-items:center;justify-content:center;color:#fff;font-size:18px;font-weight:700;flex-shrink:0}
.sender-info{display:flex;flex-direction:column;gap:2px}
.sender-info strong{font-size:15px;color:var(--text)}
.sender-info small{color:var(--text-muted);font-size:13px}
.dl-message{margin-top:16px;padding:14px 16px;background:var(--bg-alt);border-radius:var(--radius-sm);color:var(--text-muted);font-size:14px;font-style:italic;border-left:3px solid var(--primary)}
.dl-files{margin-bottom:20px}
.dl-file-item{display:flex;align-items:center;gap:12px;padding:12px 14px;border-radius:var(--radius-sm);transition:background .2s}
.dl-file-item:hover{background:var(--bg-alt)}
.file-icon{font-size:22px}
.file-info{flex:1;min-width:0}
.file-name{display:block;font-size:14px;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:var(--text)}
.file-size{font-size:12px;color:var(--text-muted)}
.btn-dl-file{padding:8px;border-radius:8px;color:var(--text-muted);transition:all .2s;text-decoration:none;display:flex}
.btn-dl-file:hover{background:var(--primary);color:#fff}
.dl-actions{text-align:center;padding-top:16px;border-top:1px solid var(--border)}
.btn-download-all{display:inline-flex;align-items:center;gap:8px;background:#4F46E5 !important;color:#fff !important;border:none;padding:12px 28px;border-radius:var(--radius);font-size:15px;font-weight:600;cursor:pointer;transition:all .2s;text-decoration:none;width:100%;justify-content:center;margin-bottom:12px}
.btn-download-all:hover{background:#4338ca !important}
.dl-expiry{font-size:12px;color:var(--text-muted)}
.password-gate{text-align:center;padding:20px 0}
.gate-icon{font-size:48px;margin-bottom:16px}
.gate-form{display:flex;gap:0;max-width:340px;margin:20px auto 0}
.gate-form input{flex:1;padding:12px 16px;background:var(--bg-alt);border:1px solid var(--border);border-radius:var(--radius-sm) 0 0 var(--radius-sm);color:var(--text);font-size:14px;outline:none}
.gate-form .btn-send{border-radius:0 var(--radius-sm) var(--radius-sm) 0;padding:12px 20px}
.gate-error{color:#ef4444;font-size:13px;margin-top:10px;min-height:20px}

/* ── Responsive ── */
@media(max-width:700px){
    .hero-title{font-size:24px}
    .upload-card{border-radius:16px}
    .upload-actions{flex-direction:column;gap:12px;align-items:stretch}
    .action-buttons{flex-direction:column}
    .btn-send,.btn-link{width:100%;justify-content:center}
    .complete-link-box{flex-direction:column}
    .complete-link-box input{border-radius:var(--radius-sm)}
    .btn-copy{border-radius:var(--radius-sm)}
    .pricing-grid{grid-template-columns:1fr}
    .app-header{padding:16px 20px}
}