style.css

/* -------- Base -------- */
:root{
  --bg: #0b0f17;
  --surface: #121826;
  --card: #172033;
  --text: #e6ecff;
  --muted: #91a0c7;
  --accent: #5aa9ff;
  --accent-2: #7cf3c5;
  --ring: rgba(122, 174, 255, .45);
  --shadow: 0 10px 30px rgba(0,0,0,.35);
}

body.light-theme{
  --bg: #f7f9fe;
  --surface: #ffffff;
  --card: #ffffff;
  --text: #0f1530;
  --muted: #5a6382;
  --accent: #2b6bff;
  --accent-2: #0bb98f;
  --ring: rgba(43,107,255,.25);
  --shadow: 0 8px 24px rgba(16,24,40,.08);
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height:1.35;
}

/* -------- Background flourish -------- */
.bg{
  position:fixed; inset:0; pointer-events:none;
  background:
    radial-gradient(1200px 600px at 10% -20%, rgba(90,169,255,.15), transparent 60%),
    radial-gradient(900px 600px at 110% 120%, rgba(124,243,197,.12), transparent 55%);
  filter: blur(0.3px);
  z-index:0;
}

/* -------- Header -------- */
.topbar{
  position:sticky; top:0; z-index:5;
  display:flex; justify-content:space-between; align-items:center;
  padding:16px clamp(16px, 4vw, 28px);
  background: linear-gradient(to bottom, rgba(0,0,0,.18), rgba(0,0,0,0));
  backdrop-filter: blur(6px);
}
.greeting{font-weight:700; font-size: clamp(20px, 2vw, 24px);}
.datetime{color:var(--muted); font-size:14px; margin-top:4px}
.topbar .right{display:flex; gap:10px}

.icon-btn{
  display:inline-grid; place-items:center;
  width:36px; height:36px; border-radius:10px;
  border:1px solid transparent;
  background:var(--surface);
  color:var(--text);
  box-shadow: var(--shadow);
  cursor:pointer;
}
.icon-btn:hover{border-color:var(--ring)}
.icon-btn i{font-size:16px}

/* -------- Search -------- */
.search{padding:8px clamp(16px, 4vw, 28px) 0}
.search-bar{
  display:flex; align-items:center; gap:10px;
  background:var(--surface);
  border:1px solid transparent;
  border-radius:14px; padding:12px 14px;
  box-shadow: var(--shadow);
}
.search-bar:focus-within{border-color:var(--ring)}
.search-bar i{opacity:.9}
.search-bar input{
  flex:1; background:transparent; border:none; outline:none;
  color:var(--text); font-size:16px;
}
.search-bar select{
  background:var(--card); color:var(--text);
  border:1px solid transparent; border-radius:10px;
  padding:8px 10px; font-size:14px;
}

/* -------- Layout -------- */
.container{padding:18px clamp(16px, 4vw, 28px) 36px; position:relative; z-index:1}
.grid{
  display:grid;
  grid-template-columns: repeat(auto-fill, minmax(260px,1fr));
  gap:16px;
}

/* -------- Cards -------- */
.card{
  background: var(--card);
  border: 1px solid rgba(255,255,255,.06);
  border-radius:16px;
  padding:14px;
  box-shadow: var(--shadow);
  transition: transform .15s ease, border-color .15s ease;
}
.card:hover{ transform: translateY(-2px) }
.card-header{
  display:flex; justify-content:space-between; align-items:center;
  margin-bottom:10px;
}
.card-header h2{
  margin:0; font-size:16px; font-weight:700; display:flex; align-items:center; gap:10px;
}
.card-header h2 i{color:var(--accent)}
.card ul{list-style:none; padding:0; margin:0}
.card li{padding:0}
.card a{
  display:flex; align-items:center; gap:10px;
  padding:10px; border-radius:10px;
  color:var(--text); text-decoration:none;
  border:1px solid transparent;
}
.card a i{width:18px; text-align:center; color:var(--accent-2)}
.card a:hover{ background:rgba(90,169,255,.10); border-color:var(--ring) }

/* -------- Notes panel (optional) -------- */
.notes{
  position:fixed; right:16px; bottom:16px;
  width:min(520px, 92vw); max-height:70vh;
  background:var(--surface);
  border:1px solid rgba(255,255,255,.08);
  border-radius:14px; box-shadow: var(--shadow);
  transform: translateY(calc(100% + 24px));
  transition: transform .2s ease;
  overflow:hidden; z-index:10;
}
.notes.active{ transform: translateY(0) }
.notes-header{
  display:flex; align-items:center; justify-content:space-between;
  padding:10px 12px; border-bottom:1px solid rgba(255,255,255,.08)
}
.notes textarea{
  width:100%; min-height:200px; resize:vertical;
  background:transparent; color:var(--text);
  border:none; outline:none; padding:12px;
}

/* -------- Responsive -------- */
@media (max-width: 520px){
  .search-bar select{display:none}
  .grid{grid-template-columns:1fr}
}