@import url('https://fonts.googleapis.com/css2?family=Syne:wght@600;700;800&family=Space+Grotesk:wght@400;500;600&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  --bg: #0a0b10;
  --panel: #12141a;
  --panel-2: #16181f;
  --line: #21232d;
  --cyan: #4deaea;
  --violet: #9d7cff;
  --text: #e9eaf2;
  --text-dim: #7b8299;
  --danger: #ff6b6b;
  --ok: #5ee6a0;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: 'Space Grotesk', sans-serif;
  min-height: 100vh;
}

.wrap {
  max-width: 640px;
  margin: 0 auto;
  padding: 56px 24px 90px;
}

header.top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 56px;
  gap: 16px;
  flex-wrap: wrap;
}

.brand {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: -0.01em;
  color: var(--text-dim);
}
.brand span { color: var(--text); }

.session-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.76rem;
  color: var(--text-dim);
  display: flex;
  gap: 10px;
  align-items: center;
}
.session-tag a { color: var(--text-dim); text-decoration: none; border-bottom: 1px solid var(--line); }
.session-tag a:hover { color: var(--cyan); border-color: var(--cyan); }

h1 {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 2.1rem;
  letter-spacing: -0.015em;
  margin: 0 0 10px;
}
.subtitle {
  color: var(--text-dim);
  font-size: 0.95rem;
  margin-bottom: 40px;
}
.subtitle::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan);
  margin-right: 9px;
  vertical-align: middle;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 32px;
}

.field { margin-bottom: 22px; }
.field:last-of-type { margin-bottom: 0; }

label.field-label {
  display: block;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text);
  margin: 0 0 9px;
}
label.field-label .hint {
  color: var(--text-dim);
  font-weight: 400;
  font-size: 0.8rem;
}

input[type="text"], textarea, input[type="file"] {
  width: 100%;
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px 14px;
  color: var(--text);
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.95rem;
  transition: border-color 0.15s ease;
}
input[type="text"]::placeholder, textarea::placeholder { color: #4f5468; }
input[type="text"]:focus, textarea:focus {
  outline: none;
  border-color: var(--cyan);
}
textarea { resize: vertical; min-height: 64px; font-family: inherit; }

input[type="file"] {
  padding: 10px 14px;
  font-size: 0.88rem;
  color: var(--text-dim);
}
input[type="file"]::file-selector-button {
  background: var(--line);
  border: none;
  color: var(--text);
  padding: 7px 12px;
  border-radius: 5px;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.85rem;
  margin-right: 12px;
  cursor: pointer;
}

/* Segmented day picker - one continuous control, not isolated boxes */
.day-picker {
  display: flex;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  background: var(--panel-2);
}
.day-option {
  position: relative;
  flex: 1;
  margin: 0;
  border-right: 1px solid var(--line);
}
.day-option:last-child { border-right: none; }
.day-option input {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
  margin: 0;
}
.day-option span {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 11px 4px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  letter-spacing: 0.02em;
  color: var(--text-dim);
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease;
}
.day-option input:checked + span {
  background: var(--cyan);
  color: #06070a;
  font-weight: 500;
}
.day-option.sat { flex: 1.6; }
.day-option.sat input:checked + span { background: var(--violet); }
.day-option input:focus-visible + span { outline: 2px solid var(--cyan); outline-offset: -2px; }

.btn {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.92rem;
  font-weight: 500;
  border: none;
  border-radius: 8px;
  padding: 13px 22px;
  cursor: pointer;
  background: var(--cyan);
  color: #06070a;
  margin-top: 28px;
  transition: transform 0.1s ease, box-shadow 0.15s ease;
}
.btn:hover { box-shadow: 0 0 0 3px rgba(77, 234, 234, 0.18); }
.btn:active { transform: scale(0.98); }
.btn.ghost {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--text);
  margin-top: 0;
  padding: 9px 15px;
  font-size: 0.85rem;
}
.btn.ghost:hover { border-color: var(--cyan); color: var(--cyan); box-shadow: none; }

.msg {
  font-size: 0.9rem;
  padding: 13px 16px;
  border-radius: 8px;
  margin-bottom: 24px;
  border: 1px solid;
}
.msg.error { background: rgba(255, 107, 107, 0.08); border-color: rgba(255, 107, 107, 0.35); color: var(--danger); }
.msg.success { background: rgba(94, 230, 160, 0.08); border-color: rgba(94, 230, 160, 0.35); color: var(--ok); }

.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 20px 22px;
  margin-bottom: 12px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: flex-start;
  flex-wrap: wrap;
}
.card.printing { border-color: rgba(157, 124, 255, 0.5); }
.card .meta { flex: 1; min-width: 220px; }
.card h3 { margin: 0 0 4px; font-family: 'Syne', sans-serif; font-weight: 700; font-size: 1.08rem; }
.card .student { color: var(--text-dim); font-size: 0.85rem; }
.card .notes { color: var(--text-dim); font-size: 0.87rem; margin-top: 8px; }
.card .tags { margin-top: 10px; display: flex; gap: 6px; flex-wrap: wrap; }
.tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.68rem;
  padding: 3px 8px;
  border-radius: 4px;
  background: var(--panel-2);
  border: 1px solid var(--line);
  color: var(--text-dim);
}
.score {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  color: var(--text-dim);
  min-width: 80px;
  text-align: right;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.score b { display: block; font-size: 1.7rem; color: var(--cyan); font-family: 'Syne', sans-serif; letter-spacing: 0; }
.actions { display: flex; gap: 8px; flex-wrap: wrap; }
.actions form { margin: 0; }

.empty {
  color: var(--text-dim);
  font-size: 0.9rem;
  text-align: center;
  padding: 48px 0;
  border: 1px dashed var(--line);
  border-radius: 12px;
}

.section-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-dim);
  margin: 36px 0 14px;
}