:root{--blue:#1e70ff;--blue2:#0b4ed8;--sky:#eaf1ff;--white:#fff;--ink:#0a1744;--soft:#f7f9ff;--shadow:0 10px 25px rgba(17,63,255,.12)}
*{box-sizing:border-box}html,body{margin:0;padding:0;font-family:Tahoma,Verdana,Arial,sans-serif;background:var(--soft);color:var(--ink)}
.topbar{position:sticky;top:0;z-index:20;background:linear-gradient(180deg,var(--blue),var(--blue2));color:var(--white);padding:10px 16px;display:flex;align-items:center;justify-content:space-between;box-shadow:var(--shadow)}
.brand{font-weight:700;letter-spacing:.3px}.brand .mini{font-weight:400;opacity:.85;font-size:.9em;margin-left:6px}.sparkle{text-shadow:0 0 8px rgba(255,255,255,.9)}
.nav{display:flex;gap:10px;align-items:center}.ano-form{display:flex;gap:8px;align-items:center}.ano-form select{padding:6px 10px;border-radius:10px;border:0}
a{color:inherit;text-decoration:none}.linkbrand{color:#fff;text-decoration:none}
.container{max-width:1100px;margin:20px auto;padding:0 16px}.container.narrow{max-width:720px}.container-wide{max-width:none;margin:0;padding:0 16px}
.title{font-size:26px;margin:10px 0 20px 0}.btn{background:var(--white);border:1px solid rgba(255,255,255,.6);padding:8px 14px;border-radius:14px;box-shadow:var(--shadow);cursor:pointer;display:inline-block}
.btn:hover{transform:translateY(-1px)}.btn.ghost{background:var(--sky);border-color:#cddbff}.btn.disabled{opacity:.5;pointer-events:none}
.footer{margin:40px 0 30px 0;text-align:center;color:#3a4b93;opacity:.9}
.form{display:grid;gap:14px;background:var(--white);padding:16px;border-radius:18px;box-shadow:var(--shadow)}
.form input[type=text],.form input[type=date],.form input[type=file]{width:100%;padding:10px 12px;border:1px solid #cddbff;border-radius:12px;background:#f2f6ff}
.alert{padding:12px 14px;border-radius:12px;margin-bottom:14px}.alert.ok{background:#e8fff0;border:1px solid #c7ffd8}.alert.error{background:#fff3f3;border:1px solid #ffd6d6}
.viewer{max-width:960px}.viewer-head{display:flex;align-items:center;justify-content:space-between;margin:8px 0 14px}.vh-title{font-weight:700;font-size:18px}.vh-date{opacity:.75}
.viewer-media img,.viewer-media video{width:100%;border-radius:16px;box-shadow:var(--shadow);background:#000}.viewer-nav{display:flex;gap:10px;justify-content:center;margin-top:16px}

/* --- Drive-like media grid --- */
.drive-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:14px}
.drive-grid .card{background:#fff;border-radius:14px;box-shadow:var(--shadow);overflow:hidden;transition:transform .15s ease}
.drive-grid .card:hover{transform:translateY(-2px)}
.drive-grid .thumb{position:relative;aspect-ratio:4/3;background:#eef3ff}
.drive-grid .thumb img,.drive-grid .thumb video{width:100%;height:100%;object-fit:cover;display:block}
.drive-grid .meta{padding:8px 10px}
/* --- Lightbox Jukebox --- */
.viewer-overlay{position:fixed;inset:0;background:rgba(5,10,30,.9);backdrop-filter:saturate(120%) blur(2px);display:none;align-items:center;justify-content:center;z-index:9999}
.viewer-overlay.open{display:flex}
.viewer-stage{position:relative;max-width:min(92vw,1400px);max-height:min(86vh,900px);width:100%;height:100%;display:flex;align-items:center;justify-content:center}
.viewer-media{max-width:100%;max-height:100%;border-radius:14px;box-shadow:var(--shadow);background:#000}
.viewer-media img,.viewer-media video{max-width:100%;max-height:100%;display:block;border-radius:14px}
.viewer-ui{position:absolute;inset:auto 0 0 0;display:flex;align-items:center;justify-content:space-between;padding:10px 14px;color:#fff;font-size:14px;gap:10px}
.viewer-left{display:flex;align-items:center;gap:10px}
.viewer-right{display:flex;align-items:center;gap:8px}
.vbtn{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.25);color:#fff;border-radius:10px;padding:6px 10px;cursor:pointer}
.vbtn:hover{background:rgba(255,255,255,.2)}
.viewer-close{position:absolute;top:14px;right:14px}
.viewer-nav{position:absolute;top:50%;left:0;right:0;display:flex;justify-content:space-between;transform:translateY(-50%);padding:0 10px}
.vnav{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);color:#fff;border-radius:12px;padding:10px 12px;cursor:pointer}
.vnav:hover{background:rgba(255,255,255,.22)}
.viewer-progress{height:4px;background:rgba(255,255,255,.2);position:absolute;left:0;right:0;bottom:48px}
.viewer-progress .bar{height:100%;width:0%;background:linear-gradient(90deg,#7ab3ff,#1e70ff)}

/* --- Viewer: thumbs strip, zoom cursors --- */
.viewer-overlay .viewer-thumbs{position:absolute;left:0;right:0;bottom:0;display:flex;gap:8px;overflow-x:auto;padding:8px;background:rgba(0,0,0,.25)}
.viewer-overlay .viewer-thumbs .timg{width:72px;height:54px;object-fit:cover;border-radius:6px;opacity:.75;border:1px solid rgba(255,255,255,.25);cursor:pointer}
.viewer-overlay .viewer-thumbs .timg.active{opacity:1;outline:2px solid #7ab3ff}
.viewer-media.zoom img{cursor:grab}
.viewer-media.zoom img:active{cursor:grabbing}

/* --- Fit media to viewport (contain) --- */
.viewer-stage{max-width:min(96vw,1600px);max-height:min(95vh,1000px);width:100%;height:100%;}
.viewer-media{display:flex;align-items:center;justify-content:center;width:100%;height:100%;}
.viewer-media img,.viewer-media video{max-width:100%;max-height:100%;width:auto;height:auto;object-fit:contain}

/* ==== Button text color override (requested) ==== */
.btn, .btn.ghost, .vbtn, .vnav {
  color: #000 !important;
}
.btn:hover, .btn.ghost:hover, .vbtn:hover, .vnav:hover {
  color: #000 !important;
}

/* ==== Jukebox buttons white ==== */
.viewer-overlay .vbtn,
.viewer-overlay .vnav {
  background: #fff !important;
  color: #000 !important;
  border: 1px solid #e6e6e6 !important;
  box-shadow: 0 6px 14px rgba(0,0,0,.15);
}
.viewer-overlay .vbtn:hover,
.viewer-overlay .vnav:hover {
  background: #f7f7f7 !important;
  color: #000 !important;
}