/* ATMY Drive — light, simple, Drive/Dropbox aesthetic */

:root{
  --bg: #f7f8fa;
  --card: #ffffff;
  --hover: #f3f4f6;
  --border: #e5e7eb;
  --border-soft: #eef0f3;
  --ink: #1a1d21;
  --ink-mid: #4b5563;
  --ink-dim: #6b7280;
  --ink-faint: #9ca3af;
  --gold: #b8892d;
  --gold-bright: #d4a342;
  --gold-bg: #fdf7e6;
  --gold-border: #e9d8a8;
  --green: #1e8e3e;
  --green-bg: #e6f4ea;
  --red: #d93025;
  --blue: #1a73e8;
  --blue-bg: #e8f0fe;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.04);
  --shadow: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-lg: 0 4px 12px rgba(0,0,0,0.08);
}

*{box-sizing:border-box}
html,body{
  margin:0;padding:0;min-height:100%;background:var(--bg);color:var(--ink);
  font-family: "Inter", ui-sans-serif, system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing:antialiased;
  font-size:15px;line-height:1.5;
}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,textarea{font:inherit}

/* ------- top bar ------- */
.topbar{
  display:grid;
  grid-template-columns: auto 1fr auto;
  align-items:center;
  gap:24px;
  padding: 0 24px;
  height:64px;
  background:var(--card);
  border-bottom: 1px solid var(--border);
  position:sticky;top:0;z-index:50;
}
.brand{display:flex;align-items:center;gap:14px}
.brand-mark{
  width:36px;height:36px;border-radius:8px;
  background:#0b0f14;
  display:flex;align-items:center;justify-content:center;
}
.brand-mark img{height:24px;width:auto}
.brand-text{display:flex;flex-direction:column}
.brand-line-1{font-size:15px;font-weight:600;color:var(--ink);letter-spacing:-0.01em}
.brand-line-2{font-size:11px;color:var(--ink-dim)}

.nav{display:flex;align-items:center;gap:4px;justify-content:center}
.nav a{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 14px;
  font-size:14px;color:var(--ink-mid);font-weight:500;
  border-radius:6px;
  transition: all 0.12s;
}
.nav a:hover{color:var(--ink);background:var(--hover)}
.nav a.on{color:var(--gold);background:var(--gold-bg)}

.userchip{display:flex;align-items:center;gap:10px}
.userchip .avatar{
  width:32px;height:32px;border-radius:50%;background:var(--gold);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:600;
}
.userchip .name{font-size:14px;color:var(--ink);font-weight:500}
.userchip .role{font-size:12px;color:var(--ink-dim)}

/* ------- page layout ------- */
.page{
  max-width:1240px;margin:0 auto;padding:28px 24px;
}
.page-title{
  display:flex;align-items:center;justify-content:space-between;
  margin: 0 0 24px;
}
.page-title h1{
  margin:0;font-size:24px;font-weight:600;color:var(--ink);letter-spacing:-0.02em;
}
.page-title .sub{font-size:14px;color:var(--ink-dim)}

.toolbar{
  display:flex;align-items:center;gap:10px;
  margin-bottom:18px;
}
.toolbar .grow{flex:1}
.search{
  display:flex;align-items:center;gap:10px;
  background:var(--card);border:1px solid var(--border);
  border-radius:8px;padding:9px 14px;
  width:380px;max-width:100%;
  transition: all 0.12s;
}
.search:focus-within{border-color:var(--gold);box-shadow:0 0 0 3px var(--gold-bg)}
.search input{
  flex:1;border:0;outline:0;font-size:14px;color:var(--ink);background:transparent;
}
.search .ico{color:var(--ink-faint)}

/* ------- buttons ------- */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 16px;border-radius:8px;
  border:1px solid var(--border);background:var(--card);
  color:var(--ink);font-size:14px;font-weight:500;
  transition: all 0.12s;
  box-shadow:var(--shadow-sm);
}
.btn:hover{background:var(--hover);box-shadow:var(--shadow)}
.btn.primary{
  background:var(--gold);color:#fff;border-color:var(--gold);font-weight:600;
}
.btn.primary:hover{background:#a4781e;border-color:#a4781e}
.btn.ghost{background:transparent;border-color:transparent;box-shadow:none}
.btn.ghost:hover{background:var(--hover)}
.btn.lg{padding:12px 22px;font-size:15px}
.btn .ico{font-size:16px}

/* ------- demo banner ------- */
.demo-banner{
  background:var(--gold-bg);
  border-bottom:1px solid var(--gold-border);
  padding:10px 24px;
  font-size:13px;color:var(--gold);
  display:flex;align-items:center;gap:12px;
}
.demo-banner .dot{
  width:8px;height:8px;border-radius:50%;background:var(--gold);
  animation: pulse 1.8s infinite;
}
.demo-banner .end{margin-left:auto;color:var(--ink-dim);font-size:12px}
@keyframes pulse{ 0%,100%{opacity:1} 50%{opacity:0.35} }

/* ------- file browser ------- */
.layout{
  display:grid;grid-template-columns: 240px minmax(0,1fr);gap:24px;
  align-items:start;
}
.sidebar{
  background:var(--card);border:1px solid var(--border);border-radius:12px;
  padding:8px;
  position:sticky;top:88px;
}
.sb-item{
  display:flex;align-items:center;gap:12px;
  padding:9px 12px;border-radius:6px;
  font-size:14px;color:var(--ink-mid);
  cursor:pointer;
  transition: all 0.1s;
}
.sb-item:hover{background:var(--hover);color:var(--ink)}
.sb-item.on{background:var(--gold-bg);color:var(--gold);font-weight:600}
.sb-item .ico{width:18px;display:inline-flex;justify-content:center;font-size:16px}
.sb-item .count{margin-left:auto;font-size:12px;color:var(--ink-faint);font-weight:400}
.sb-section{
  font-size:11px;text-transform:uppercase;letter-spacing:0.08em;
  color:var(--ink-faint);font-weight:600;
  padding: 14px 12px 6px;
}

/* file list */
.files{
  background:var(--card);border:1px solid var(--border);border-radius:12px;
  overflow:hidden;
}
.crumb{
  display:flex;align-items:center;gap:8px;
  padding:14px 20px;
  border-bottom:1px solid var(--border-soft);
  font-size:14px;color:var(--ink-mid);
}
.crumb b{color:var(--ink);font-weight:600}
.crumb .sep{color:var(--ink-faint);margin:0 4px}

.f-head{
  display:grid;grid-template-columns: 28px 2.2fr 1fr 1fr 0.9fr;
  gap:14px;align-items:center;
  padding:12px 20px;
  font-size:12px;font-weight:600;letter-spacing:0.04em;
  color:var(--ink-dim);text-transform:uppercase;
  border-bottom:1px solid var(--border-soft);
}
.f-row{
  display:grid;grid-template-columns: 28px 2.2fr 1fr 1fr 0.9fr;
  gap:14px;align-items:center;
  padding:13px 20px;
  border-bottom:1px solid var(--border-soft);
  font-size:14px;color:var(--ink-mid);
  cursor:pointer;
  transition: background 0.1s;
}
.f-row:hover{background:var(--hover)}
.f-row:last-child{border-bottom:0}
.f-row .ico{font-size:20px;line-height:1}
.f-row.folder .ico{color:var(--gold)}
.f-row .name{color:var(--ink);font-weight:500}
.f-row .badge{
  display:inline-flex;align-items:center;gap:5px;
  padding:3px 8px;border-radius:12px;font-size:11px;font-weight:500;
  background:var(--hover);color:var(--ink-mid);
}
.f-row .badge.ok{background:var(--green-bg);color:var(--green)}
.f-row .badge.new{background:var(--blue-bg);color:var(--blue)}
.f-row .badge.review{background:var(--gold-bg);color:var(--gold)}

/* ------- recent grid (home page) ------- */
.tiles{
  display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));
  gap:14px;margin-bottom:32px;
}
.tile{
  background:var(--card);border:1px solid var(--border);border-radius:12px;
  padding:18px;cursor:pointer;
  transition: all 0.15s;
}
.tile:hover{border-color:var(--gold);box-shadow:var(--shadow)}
.tile .ico{font-size:28px;margin-bottom:10px;display:block}
.tile .name{font-size:14px;font-weight:600;color:var(--ink);margin-bottom:3px}
.tile .meta{font-size:12px;color:var(--ink-dim)}

/* ------- album / photo grid ------- */
.albums{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px;margin-bottom:32px}
.album{
  background:var(--card);border:1px solid var(--border);border-radius:12px;
  overflow:hidden;cursor:pointer;
  transition: all 0.18s;
}
.album:hover{border-color:var(--gold);box-shadow:var(--shadow-lg);transform:translateY(-2px)}
.album .cover{
  aspect-ratio: 16/10;
  background-size:cover;background-position:center;
}
.album .meta{padding:14px 16px}
.album .row1{display:flex;align-items:center;justify-content:space-between;margin-bottom:4px}
.album .title{font-size:15px;font-weight:600;color:var(--ink);letter-spacing:-0.01em}
.album .info{font-size:12px;color:var(--ink-dim)}
.album .badge{
  font-size:10px;font-weight:600;letter-spacing:0.04em;
  padding:3px 8px;border-radius:10px;background:var(--hover);color:var(--ink-mid);
  text-transform:uppercase;
}
.album .badge.public{background:var(--green-bg);color:var(--green)}
.album .badge.internal{background:var(--hover);color:var(--ink-dim)}
.album .badge.partner{background:var(--gold-bg);color:var(--gold)}
.album .badge.investor{background:var(--blue-bg);color:var(--blue)}

.gallery{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:8px}
.gallery .photo{
  aspect-ratio:1;background-size:cover;background-position:center;
  border-radius:8px;cursor:pointer;
  transition: all 0.15s;
}
.gallery .photo:hover{opacity:0.92;transform:scale(1.02)}

/* ------- login ------- */
.loginpage{
  min-height:100vh;display:grid;place-items:center;
  background: var(--bg);
}
.loginbox{
  width:400px;max-width:92vw;
  background:var(--card);border:1px solid var(--border);border-radius:14px;
  padding:36px 32px 24px;
  box-shadow: var(--shadow-lg);
}
.loginbox .logo{display:flex;justify-content:center;align-items:center;margin-bottom:14px}
.loginbox .logo .brand-mark{width:52px;height:52px}
.loginbox .logo .brand-mark img{height:34px}
.loginbox h1{
  text-align:center;font-size:18px;font-weight:600;letter-spacing:-0.01em;
  color:var(--ink);margin:0 0 4px;
}
.loginbox .sub{
  text-align:center;font-size:13px;color:var(--ink-dim);margin-bottom:26px;
}
.loginbox .demo-callout{
  background:var(--gold-bg);border:1px solid var(--gold-border);
  border-radius:10px;padding:12px 14px;margin-bottom:22px;
  font-size:13px;color:var(--ink-mid);text-align:center;
}
.loginbox .demo-callout b{color:var(--gold);display:block;margin-bottom:3px;
  font-size:11px;text-transform:uppercase;letter-spacing:0.06em}
.loginbox .field{
  display:block;width:100%;
  background:#fff;border:1px solid var(--border);border-radius:8px;
  padding:12px 14px;font-size:14px;color:var(--ink);
  margin-bottom:10px;
}
.loginbox .field:focus{outline:none;border-color:var(--gold);box-shadow:0 0 0 3px var(--gold-bg)}
.loginbox .signin{
  display:block;width:100%;
  background:var(--gold);color:#fff;
  border-radius:8px;padding:12px;
  font-size:14px;font-weight:600;
  border:0;cursor:pointer;
  transition: background 0.12s;
}
.loginbox .signin:hover{background:#a4781e}
.loginbox .or{
  text-align:center;font-size:12px;color:var(--ink-faint);margin:16px 0;
}
.loginbox .sso{
  display:flex;align-items:center;justify-content:center;gap:10px;
  width:100%;
  background:#fff;border:1px solid var(--border);border-radius:8px;
  padding:11px;color:var(--ink);font-size:14px;cursor:pointer;
  transition: all 0.12s;
}
.loginbox .sso:hover{background:var(--hover)}
.loginbox .skip{
  display:block;text-align:center;
  margin-top:20px;padding-top:18px;
  border-top:1px solid var(--border-soft);
  font-size:13px;color:var(--gold);font-weight:600;
}
.loginbox .foot{
  margin-top:18px;text-align:center;
  font-size:12px;color:var(--ink-dim);
}
.loginbox .foot a{color:var(--gold)}

/* ------- desktop app page ------- */
.hero{
  text-align:center;
  padding:60px 24px 40px;
}
.hero .eyebrow{
  font-size:12px;font-weight:600;color:var(--gold);letter-spacing:0.1em;text-transform:uppercase;
  margin-bottom:12px;
}
.hero h1{
  font-size:42px;font-weight:700;color:var(--ink);
  letter-spacing:-0.03em;line-height:1.1;
  margin:0 0 18px;
}
.hero .lede{
  font-size:18px;color:var(--ink-mid);max-width:560px;margin:0 auto 32px;line-height:1.5;
}
.dl-row{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.dl-btn{
  display:flex;align-items:center;gap:14px;
  padding:14px 22px;
  background:var(--ink);color:#fff;border-radius:10px;
  font-size:15px;font-weight:600;
  transition: all 0.15s;
}
.dl-btn:hover{background:#000;transform:translateY(-1px);box-shadow:var(--shadow-lg)}
.dl-btn .ico{font-size:24px}
.dl-btn .small{font-size:11px;font-weight:400;opacity:0.7;display:block}

.feature-grid{
  display:grid;grid-template-columns:repeat(auto-fit, minmax(280px,1fr));gap:18px;
  max-width:1080px;margin:48px auto;
}
.feature{
  background:var(--card);border:1px solid var(--border);border-radius:12px;
  padding:24px;
}
.feature .ico{
  width:48px;height:48px;border-radius:10px;
  background:var(--gold-bg);color:var(--gold);
  display:flex;align-items:center;justify-content:center;
  font-size:22px;margin-bottom:14px;
}
.feature h3{font-size:16px;font-weight:600;margin:0 0 8px;color:var(--ink)}
.feature p{font-size:14px;color:var(--ink-mid);margin:0;line-height:1.55}

.mock-app{
  max-width:780px;margin:48px auto;
  background:var(--card);border:1px solid var(--border);border-radius:14px;
  overflow:hidden;
  box-shadow:var(--shadow-lg);
}
.mock-titlebar{
  display:flex;align-items:center;gap:10px;
  padding:12px 16px;background:#f1f3f4;border-bottom:1px solid var(--border-soft);
}
.mock-titlebar .dots{display:flex;gap:6px}
.mock-titlebar .dot{width:11px;height:11px;border-radius:50%}
.mock-titlebar .dot.r{background:#ff5f57}
.mock-titlebar .dot.y{background:#febc2e}
.mock-titlebar .dot.g{background:#28c840}
.mock-titlebar .title{font-size:13px;color:var(--ink-mid);font-weight:500;margin-left:8px}
.mock-body{padding:20px 22px}
.mock-row{
  display:flex;align-items:center;gap:14px;
  padding:10px 0;border-bottom:1px solid var(--border-soft);
}
.mock-row:last-child{border-bottom:0}
.mock-row .ico{font-size:22px;width:28px}
.mock-row .info{flex:1}
.mock-row .info .name{font-size:14px;color:var(--ink);font-weight:500}
.mock-row .info .path{font-size:12px;color:var(--ink-dim)}
.mock-row .status{font-size:12px}
.mock-row .status.synced{color:var(--green)}
.mock-row .status.syncing{color:var(--blue)}

/* ------- panels (simple cards) ------- */
.card{
  background:var(--card);border:1px solid var(--border);border-radius:12px;
  padding:22px 24px;
}
.card h2{font-size:16px;font-weight:600;margin:0 0 16px;color:var(--ink);letter-spacing:-0.01em}

/* ------- footer ------- */
.footer{
  text-align:center;padding:32px 24px;
  color:var(--ink-faint);font-size:12px;
}
.footer b{color:var(--ink-dim);font-weight:600}

/* ------- responsive ------- */
@media (max-width: 880px){
  .layout{grid-template-columns:1fr}
  .sidebar{position:static}
  .nav{display:none}
  .topbar{grid-template-columns:1fr auto;gap:12px}
  .brand-text{display:none}
  .hero h1{font-size:32px}
  .f-head, .f-row{grid-template-columns: 28px 1fr 0.9fr; gap:10px}
  .f-head > div:nth-child(4), .f-head > div:nth-child(5),
  .f-row > div:nth-child(4), .f-row > div:nth-child(5){display:none}
}

/* ------- lightbox ------- */
.lightbox{
  position:fixed;inset:0;background:rgba(0,0,0,0.85);
  display:flex;align-items:center;justify-content:center;
  z-index:200;opacity:0;pointer-events:none;transition:opacity 0.2s;
}
.lightbox.on{opacity:1;pointer-events:auto}
.lightbox img{max-width:92vw;max-height:92vh;object-fit:contain;border-radius:8px}
.lightbox .close{
  position:absolute;top:20px;right:28px;font-size:32px;color:#fff;
  cursor:pointer;line-height:1;
}