:root{--bg:#06122b;--panel:rgba(8,25,55,.72);--panel-strong:rgba(8,25,55,.9);--line:rgba(255,255,255,.14);--text:#f8fbff;--muted:#b9c8e3;--accent:#5ee7ff;--accent2:#7c5cff;--success:#70f0b1;--danger:#ff758c;--shadow:0 30px 80px rgba(0,0,0,.36)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-height:100vh;color:var(--text);font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:linear-gradient(125deg,#06122b,#14235e,#123c69,#351b70);background-size:400% 400%;animation:gradientShift 18s ease infinite;overflow-x:hidden}body:before{content:"";position:fixed;inset:0;background:radial-gradient(circle at 15% 15%,rgba(70,242,255,.24),transparent 34%),radial-gradient(circle at 85% 18%,rgba(155,80,255,.28),transparent 32%),radial-gradient(circle at 55% 85%,rgba(0,184,255,.2),transparent 36%);pointer-events:none}.ambient{position:fixed;inset:0;overflow:hidden;pointer-events:none}.ambient span{position:absolute;width:34vw;height:34vw;border-radius:50%;filter:blur(70px);opacity:.28;animation:float 22s ease-in-out infinite}.ambient span:nth-child(1){background:#18d4ff;left:-12vw;top:15vh}.ambient span:nth-child(2){background:#8e5bff;right:-10vw;top:-8vh;animation-delay:-6s}.ambient span:nth-child(3){background:#00f0b5;left:42vw;bottom:-20vw;animation-delay:-12s}.ambient span:nth-child(4){width:18vw;height:18vw;background:#fff;right:24vw;top:42vh;opacity:.12;animation-delay:-4s}@keyframes gradientShift{0%,100%{background-position:0 50%}50%{background-position:100% 50%}}@keyframes float{0%,100%{transform:translate3d(0,0,0) scale(1)}33%{transform:translate3d(7vw,-4vh,0) scale(1.12)}66%{transform:translate3d(-4vw,8vh,0) scale(.92)}}a{color:inherit}.site-header,main,.site-footer{position:relative;z-index:1}.site-header{max-width:1240px;margin:0 auto;padding:26px 24px;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{display:flex;align-items:center;gap:13px;text-decoration:none}.brand-logo{width:56px;height:56px;border-radius:17px;display:grid;place-items:center;background:rgba(255,255,255,.12);border:1px solid var(--line);box-shadow:0 15px 35px rgba(0,0,0,.2);animation:logoFloat 5s ease-in-out infinite}.brand-logo img{width:43px;height:43px;object-fit:contain}.brand strong,.brand small{display:block}.brand strong{font-size:1.05rem}.brand small{color:var(--muted);font-size:.76rem;margin-top:3px}@keyframes logoFloat{50%{transform:translateY(-4px) rotate(2deg)}}.header-actions{display:flex;gap:10px}.button{appearance:none;border:1px solid transparent;border-radius:13px;padding:11px 16px;color:#fff;font:inherit;font-weight:750;text-decoration:none;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;transition:.22s ease}.button:hover{transform:translateY(-2px)}.button-ghost{background:rgba(255,255,255,.08);border-color:var(--line);backdrop-filter:blur(14px)}.button-primary{background:linear-gradient(115deg,#2d86ff,#7757ff 55%,#10c9d6);box-shadow:0 14px 35px rgba(64,83,255,.35)}.button-large{width:100%;padding:15px}.button-danger{background:rgba(255,83,112,.15);border-color:rgba(255,117,140,.35)}button:disabled{opacity:.6;cursor:wait;transform:none}main{max-width:1240px;margin:0 auto;padding:28px 24px 10px}.hero{min-height:650px;display:grid;grid-template-columns:minmax(0,1fr) minmax(420px,520px);align-items:center;gap:64px}.hero-copy h1{font-size:clamp(2.8rem,6vw,5.8rem);line-height:.97;letter-spacing:-.055em;margin:16px 0 24px;max-width:800px}.hero-copy>p{font-size:1.1rem;line-height:1.75;color:var(--muted);max-width:690px}.eyebrow{display:inline-block;text-transform:uppercase;letter-spacing:.16em;color:#91efff;font-weight:800;font-size:.73rem}.feature-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}.feature-row span,.status-dot{padding:9px 12px;border:1px solid var(--line);border-radius:999px;background:rgba(255,255,255,.07);font-size:.82rem;color:#e9f3ff}.upload-card,.admin-shell{border:1px solid var(--line);background:linear-gradient(145deg,rgba(17,37,76,.78),rgba(7,22,49,.7));box-shadow:var(--shadow);backdrop-filter:blur(28px);border-radius:28px}.upload-card{padding:28px}.card-heading,.admin-heading{display:flex;justify-content:space-between;align-items:flex-start;gap:20px}.card-heading h2{margin:7px 0 0;font-size:1.75rem}.dropzone{display:flex;flex-direction:column;align-items:center;text-align:center;margin:24px 0 18px;padding:34px 18px;border:1.5px dashed rgba(130,227,255,.55);border-radius:20px;background:rgba(255,255,255,.055);cursor:pointer;transition:.2s}.dropzone:hover,.dropzone.is-dragging{border-color:var(--accent);background:rgba(94,231,255,.1);transform:translateY(-2px)}.dropzone input{position:absolute;opacity:0;pointer-events:none}.drop-icon{width:48px;height:48px;border-radius:15px;background:linear-gradient(135deg,#56ddff,#745bff);display:grid;place-items:center;font-size:1.5rem;margin-bottom:14px}.dropzone small,.selected-file,.privacy-note{color:var(--muted)}.dropzone small{margin-top:7px}.selected-file{margin-top:16px;font-size:.82rem;max-width:100%;word-break:break-word}.form-grid{display:grid;grid-template-columns:1fr 150px;gap:14px}.form-grid label>span{display:block;font-size:.78rem;color:#dce7f7;margin:0 0 7px 4px}.form-grid input,.form-grid select,.expiry-form select{width:100%;border:1px solid var(--line);border-radius:13px;padding:13px;background:rgba(2,12,32,.55);color:#fff;font:inherit;outline:none}.form-grid input:focus,.form-grid select:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(94,231,255,.12)}.consent{display:flex;align-items:flex-start;gap:10px;margin:17px 2px;font-size:.83rem;color:var(--muted);line-height:1.5}.consent input{margin-top:3px;accent-color:#6965ff}.consent a{color:#9eefff}.progress{margin:16px 0}.progress-track{height:9px;background:rgba(255,255,255,.1);border-radius:20px;overflow:hidden}.progress-track span{display:block;width:0;height:100%;background:linear-gradient(90deg,#5ee7ff,#765bff);transition:width .2s}.progress-meta{display:flex;justify-content:space-between;color:var(--muted);font-size:.76rem;margin-top:8px}.form-message{min-height:22px;margin:10px 0;font-size:.86rem}.form-message.success{color:var(--success)}.form-message.warning{color:#ffd77c}.form-message.error{color:#ff9bad}.privacy-note{text-align:center;font-size:.74rem;line-height:1.5;margin:12px 0 0}.info-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:50px 0 22px}.info-grid article{padding:25px;border:1px solid var(--line);border-radius:20px;background:rgba(8,25,55,.5);backdrop-filter:blur(16px)}.info-grid article>span{color:#8cecff;font-weight:850}.info-grid h3{margin:15px 0 8px}.info-grid p{color:var(--muted);line-height:1.65;margin:0;font-size:.9rem}.lost-link{text-align:center;color:var(--muted)}.lost-link a{color:#aeefff}.site-footer{max-width:900px;margin:44px auto 28px;text-align:center;padding:18px 24px;border:1px solid var(--line);border-radius:18px;background:rgba(7,20,45,.48);backdrop-filter:blur(18px);color:var(--muted);font-size:.78rem}.site-footer>a{display:block;margin-bottom:9px;text-decoration:none}.site-footer div{display:flex;justify-content:center;gap:9px;flex-wrap:wrap}.site-footer a:hover{color:#fff}.modal[hidden]{display:none}.modal{position:fixed;inset:0;z-index:30;display:grid;place-items:center;padding:20px}.modal-backdrop{position:absolute;inset:0;background:rgba(1,7,18,.72);backdrop-filter:blur(8px)}.modal-dialog{position:relative;width:min(560px,100%);padding:30px;border:1px solid var(--line);border-radius:24px;background:#0b1a39;box-shadow:var(--shadow)}.modal-dialog h2{font-size:2rem;margin:8px 0 20px}.modal-dialog ol{padding-left:20px;color:var(--muted);line-height:1.6}.modal-dialog li{margin:12px 0}.modal-dialog strong{color:#fff}.modal-close{position:absolute;right:16px;top:14px;width:38px;height:38px;border:0;border-radius:12px;background:rgba(255,255,255,.08);color:#fff;font-size:1.5rem;cursor:pointer}.help-note{padding:15px;border-radius:14px;background:rgba(94,231,255,.08);color:#c9e9f1;font-size:.86rem;line-height:1.55}.modal-open{overflow:hidden}.admin-shell{padding:30px}.admin-heading h1{font-size:2.3rem;margin:8px 0}.admin-heading p{color:var(--muted)}.admin-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:25px 0}.admin-stats article{padding:20px;background:rgba(255,255,255,.05);border:1px solid var(--line);border-radius:16px}.admin-stats span,.admin-stats strong{display:block}.admin-stats span{color:var(--muted);font-size:.78rem}.admin-stats strong{font-size:1.65rem;margin-top:8px}.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:18px}table{width:100%;border-collapse:collapse;min-width:960px;background:rgba(2,12,31,.32)}th,td{padding:15px;text-align:left;border-bottom:1px solid rgba(255,255,255,.08);font-size:.82rem}th{color:#a9bad5;text-transform:uppercase;letter-spacing:.06em;font-size:.68rem}td small{display:block;color:#7f91ae;margin-top:5px}.admin-actions,.expiry-form{display:flex;align-items:center;gap:7px}.admin-actions form{margin:0}.expiry-form select{padding:8px;width:105px}.icon-button{width:34px;height:34px;border-radius:10px;border:1px solid var(--line);background:rgba(255,255,255,.07);color:#fff;cursor:pointer}.icon-button.danger{color:#ff9bad}.empty-state{text-align:center;color:var(--muted);padding:40px}.alert{padding:13px 15px;border-radius:12px;margin:16px 0}.alert-success{background:rgba(49,211,142,.12);color:#8ff5c2}.alert-error{background:rgba(255,85,111,.12);color:#ff9bad}@media(max-width:900px){.hero{grid-template-columns:1fr;gap:34px;padding-top:35px}.hero-copy h1{font-size:clamp(2.7rem,12vw,4.6rem)}.info-grid{grid-template-columns:1fr}.admin-stats{grid-template-columns:1fr}}@media(max-width:600px){.site-header{align-items:flex-start;padding:18px}.brand small{display:none}.brand-logo{width:48px;height:48px}.header-actions{flex-direction:column}.button-ghost{padding:9px 11px;font-size:.8rem}main{padding:12px 15px}.upload-card,.admin-shell{padding:20px;border-radius:22px}.form-grid{grid-template-columns:1fr}.card-heading{display:block}.status-dot{display:inline-block;margin-top:12px}.site-footer{margin:30px 15px 18px}.admin-heading{display:block}.admin-heading form{margin-top:15px}}

/* =========================================================
   UPLOAD – ANIMOVANÁ IKONA A PODROBNÝ PRŮBĚH
   ========================================================= */

.drop-icon {
    position: relative;
    overflow: visible;
    isolation: isolate;
}

.upload-arrow {
    position: relative;
    z-index: 2;
    display: block;
    line-height: 1;
    font-size: 1.65rem;
    font-weight: 800;
    transform: translateY(0);
}

.upload-ring {
    position: absolute;
    z-index: 1;
    inset: -6px;
    border: 2px solid rgba(128, 235, 255, 0);
    border-top-color: rgba(255, 255, 255, 0.9);
    border-right-color: rgba(126, 234, 255, 0.5);
    border-radius: 50%;
    opacity: 0;
    pointer-events: none;
}

.drop-icon.is-ready .upload-arrow {
    animation: uploadArrowReady 2.2s ease-in-out infinite;
}

.drop-icon.is-uploading {
    box-shadow:
        0 0 0 7px rgba(94, 231, 255, 0.08),
        0 14px 28px rgba(75, 100, 255, 0.3);
}

.drop-icon.is-uploading .upload-arrow {
    animation: uploadArrowActive 1.05s ease-in-out infinite;
}

.drop-icon.is-uploading .upload-ring {
    opacity: 1;
    animation: uploadRingSpin 0.9s linear infinite;
}

.drop-icon.is-complete {
    background: linear-gradient(135deg, #35d795, #17b7aa);
    animation: uploadCompletePulse 0.6s ease;
}

.drop-icon.is-complete .upload-arrow {
    animation: none;
    font-size: 0;
}

.drop-icon.is-complete .upload-arrow::before {
    content: "✓";
    font-size: 1.55rem;
}

.drop-icon.is-error {
    background: linear-gradient(135deg, #ff637c, #c33f73);
    animation: uploadErrorShake 0.45s ease;
}

.drop-icon.is-error .upload-arrow {
    animation: none;
    font-size: 0;
}

.drop-icon.is-error .upload-arrow::before {
    content: "!";
    font-size: 1.55rem;
}

@keyframes uploadArrowReady {
    0%,
    100% {
        transform: translateY(1px);
    }

    50% {
        transform: translateY(-4px);
    }
}

@keyframes uploadArrowActive {
    0% {
        transform: translateY(5px);
        opacity: 0.4;
    }

    50% {
        opacity: 1;
    }

    100% {
        transform: translateY(-7px);
        opacity: 0.45;
    }
}

@keyframes uploadRingSpin {
    to {
        transform: rotate(360deg);
    }
}

@keyframes uploadCompletePulse {
    50% {
        transform: scale(1.13);
    }
}

@keyframes uploadErrorShake {
    20% {
        transform: translateX(-4px);
    }

    40% {
        transform: translateX(4px);
    }

    60% {
        transform: translateX(-3px);
    }

    80% {
        transform: translateX(3px);
    }
}

.upload-progress {
    margin: 18px 0;
    padding: 16px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 17px;
    background: linear-gradient(
        145deg,
        rgba(255, 255, 255, 0.07),
        rgba(255, 255, 255, 0.035)
    );
}

.upload-progress[hidden] {
    display: none;
}

.progress-heading {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 18px;
    margin-bottom: 12px;
}

.progress-heading > div {
    min-width: 0;
}

.progress-heading strong {
    display: block;
    color: #ffffff;
    font-size: 0.86rem;
}

.progress-heading > strong {
    flex: 0 0 auto;
    color: #9deeff;
    font-size: 0.92rem;
    font-variant-numeric: tabular-nums;
}

#progressFileName {
    display: block;
    max-width: 310px;
    margin-top: 4px;
    overflow: hidden;
    color: var(--muted);
    font-size: 0.73rem;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.upload-progress .progress-track {
    position: relative;
    height: 10px;
    overflow: hidden;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.1);
    box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.22);
}

.upload-progress .progress-track span {
    position: relative;
    display: block;
    width: 0;
    height: 100%;
    overflow: hidden;
    border-radius: inherit;
    background: linear-gradient(
        90deg,
        #55e5ff 0%,
        #7162ff 52%,
        #27e4bd 100%
    );
    box-shadow: 0 0 18px rgba(94, 231, 255, 0.45);
    transition: width 0.12s linear;
}

.upload-progress .progress-track span::after {
    content: "";
    position: absolute;
    inset: 0;
    width: 45%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.48),
        transparent
    );
    transform: translateX(-140%);
    animation: progressLight 1.5s linear infinite;
}

@keyframes progressLight {
    to {
        transform: translateX(340%);
    }
}

.upload-stats {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 9px;
    margin-top: 13px;
}

.upload-stat {
    min-width: 0;
    padding: 9px 10px;
    border: 1px solid rgba(255, 255, 255, 0.075);
    border-radius: 12px;
    background: rgba(2, 12, 32, 0.25);
}

.upload-stat span,
.upload-stat strong {
    display: block;
}

.upload-stat span {
    margin-bottom: 4px;
    color: var(--muted);
    font-size: 0.65rem;
}

.upload-stat strong {
    overflow: hidden;
    color: #eef8ff;
    font-size: 0.74rem;
    font-variant-numeric: tabular-nums;
    text-overflow: ellipsis;
    white-space: nowrap;
}

@media (max-width: 600px) {
    .upload-stats {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .progress-heading {
        gap: 10px;
    }

    #progressFileName {
        max-width: 215px;
    }
}

@media (prefers-reduced-motion: reduce) {
    body,
    .ambient span,
    .brand-logo,
    .upload-arrow,
    .upload-ring,
    .drop-icon,
    .progress-track span::after {
        animation: none !important;
    }

    .button,
    .dropzone,
    .progress-track span {
        transition: none !important;
    }
}