:root {
  --bg: #0f1117;
  --surface: #1a1d27;
  --surface2: #22263a;
  --border: #2e3350;
  --accent: #4f8ef7;
  --accent2: #7c6af7;
  --text: #e8eaf6;
  --muted: #8890b0;
  --success: #4caf7d;
  --warn: #f7a24f;
  --danger: #f76060;
  --radius: 14px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

/* ─── Layout ─────────────────────────────────── */
.container { max-width: 900px; margin: 0 auto; padding: 0 1.5rem; }

header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 1rem 0;
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.logo {
  font-size: 1.25rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.user-chip {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.875rem;
  color: var(--muted);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 1.2rem;
  border: none;
  border-radius: 8px;
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s;
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #fff;
}
.btn-primary:hover { opacity: 0.9; transform: translateY(-1px); }

.btn-ghost {
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--border);
}
.btn-ghost:hover { background: var(--surface2); color: var(--text); }

/* ─── View switching ─────────────────────────── */
.view { display: none; }
.view.active { display: block; }

/* ─── Login ──────────────────────────────────── */
#login-view {
  display: none;
  min-height: calc(100vh - 65px);
  align-items: center;
  justify-content: center;
}
#login-view.active { display: flex; }

.login-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2.5rem;
  width: 100%;
  max-width: 440px;
}

.login-card h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.4rem;
}
.login-card p {
  color: var(--muted);
  font-size: 0.9rem;
  margin-bottom: 2rem;
}

.field { margin-bottom: 1.25rem; }
.field label {
  display: block;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--muted);
  margin-bottom: 0.4rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.search-wrapper { position: relative; }
.search-wrapper input {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.7rem 1rem;
  color: var(--text);
  font-size: 1rem;
  outline: none;
  transition: border-color 0.15s;
}
.search-wrapper input:focus { border-color: var(--accent); }
.search-wrapper input::placeholder { color: var(--muted); }

.field input[type="text"],
.field input[type="password"] {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.7rem 1rem;
  color: var(--text);
  font-size: 1rem;
  outline: none;
  transition: border-color 0.15s;
}
.field input[type="text"]:focus,
.field input[type="password"]:focus { border-color: var(--accent); }
.field input::placeholder { color: var(--muted); }

.dropdown {
  position: absolute;
  top: calc(100% + 4px);
  left: 0; right: 0;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 8px;
  max-height: 240px;
  overflow-y: auto;
  z-index: 200;
  display: none;
}
.dropdown.open { display: block; }

.dropdown-item {
  padding: 0.65rem 1rem;
  cursor: pointer;
  font-size: 0.9rem;
  transition: background 0.1s;
}
.dropdown-item:hover,
.dropdown-item.selected { background: var(--border); }
.dropdown-item.selected { color: var(--accent); font-weight: 500; }

/* ─── Grades page ────────────────────────────── */
#grades-view { padding: 2rem 0; }

.page-title {
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}
.page-subtitle { color: var(--muted); font-size: 0.9rem; margin-bottom: 2rem; }

/* Grades header */
.grades-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
}
.grades-header .page-title { margin-bottom: 0.25rem; }
.grades-header .page-subtitle { margin-bottom: 0; }

select {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.6rem 2rem 0.6rem 1rem;
  color: var(--text);
  font-size: 0.9rem;
  outline: none;
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%238890b0' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  transition: border-color 0.15s;
}
select:focus { border-color: var(--accent); }

/* Search bar */
.subject-search-wrap {
  margin-bottom: 1.5rem;
}
.subject-search-wrap input {
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.75rem 1.2rem;
  color: var(--text);
  font-size: 0.95rem;
  outline: none;
  transition: border-color 0.15s;
}
.subject-search-wrap input:focus { border-color: var(--accent); }
.subject-search-wrap input::placeholder { color: var(--muted); }

/* Subjects grid */
.subjects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1rem;
}

.subject-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  cursor: pointer;
  transition: all 0.2s;
  position: relative;
  overflow: hidden;
}
.subject-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(79, 142, 247, 0.1);
}
.subject-card.open {
  border-color: var(--accent2);
  box-shadow: 0 8px 30px rgba(124, 106, 247, 0.12);
}

.subject-afkorting {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin-bottom: 0.25rem;
}
.subject-naam {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}
.subject-count {
  font-size: 0.8rem;
  color: var(--muted);
}

/* Ticker */
.grade-ticker-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.6rem;
}
.grade-ticker {
  font-size: 2rem;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  line-height: 1;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  min-width: 3ch;
}
.grade-ticker.low {
  background: linear-gradient(135deg, var(--danger), #f7a24f);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Grade detail panel */
.grade-panel {
  grid-column: 1 / -1;
  background: var(--surface2);
  border: 1px solid var(--accent2);
  border-radius: var(--radius);
  overflow: hidden;
  animation: slideDown 0.25s ease;
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.grade-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border);
}
.grade-panel-title { font-weight: 600; font-size: 1rem; }

.grades-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}
.grades-table th {
  text-align: left;
  padding: 0.6rem 1.5rem;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
  background: var(--surface);
}
.grades-table td {
  padding: 0.65rem 1.5rem;
  border-top: 1px solid var(--border);
}
.grades-table tr:last-child td { border-bottom: none; }

.grade-val {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  border-radius: 6px;
  font-weight: 700;
  font-size: 0.9rem;
  background: rgba(79, 142, 247, 0.12);
  color: var(--accent);
}
.grade-val.pass { background: rgba(76, 175, 125, 0.12); color: var(--success); }
.grade-val.fail { background: rgba(247, 96, 96, 0.12); color: var(--danger); }
.grade-val.excluded { opacity: 0.45; }

.jaar-badge {
  display: inline-block;
  padding: 0.15rem 0.5rem;
  border-radius: 5px;
  font-size: 0.75rem;
  font-weight: 500;
  background: var(--border);
  color: var(--muted);
}

.type-avg {
  font-style: italic;
  color: var(--accent2);
}

.type-rapport {
  color: var(--accent);
}

.rapport-row td {
  background: rgba(79, 142, 247, 0.05);
  font-weight: 600;
  border-top: 1px solid rgba(79, 142, 247, 0.2) !important;
  border-bottom: 1px solid rgba(79, 142, 247, 0.2);
}

/* Loading */
.loading-row td {
  text-align: center;
  padding: 2rem;
  color: var(--muted);
}
.spinner {
  display: inline-block;
  width: 18px; height: 18px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
  vertical-align: middle;
  margin-right: 0.5rem;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Empty / error */
.empty-msg {
  text-align: center;
  padding: 3rem 1.5rem;
  color: var(--muted);
  font-size: 0.9rem;
}

/* Skeleton loader for subjects */
.skeleton {
  background: linear-gradient(90deg, var(--surface) 25%, var(--surface2) 50%, var(--surface) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.2s infinite;
  border-radius: 8px;
  height: 14px;
}
@keyframes shimmer { to { background-position: -200% 0; } }
.skeleton-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  height: 120px;
}
.skeleton-card .skeleton + .skeleton { margin-top: 0.6rem; }
.skeleton-card .skeleton:nth-child(1) { width: 40%; height: 10px; }
.skeleton-card .skeleton:nth-child(2) { width: 70%; height: 14px; }
.skeleton-card .skeleton:nth-child(3) { width: 50%; height: 10px; margin-top: 1rem; }

/* Upcoming tests section */
.upcoming-section {
  border-top: 2px solid var(--border);
}

.upcoming-header {
  padding: 0.65rem 1.5rem;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
  background: var(--surface);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.target-avg-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
  flex-shrink: 0;
}

.target-avg-input {
  width: 4.5rem;
  padding: 0.2rem 0.4rem;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-size: 0.85rem;
  font-weight: 600;
  text-align: center;
  outline: none;
  -moz-appearance: textfield;
}
.target-avg-input::-webkit-inner-spin-button,
.target-avg-input::-webkit-outer-spin-button { opacity: 0.4; }
.target-avg-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(79,142,247,0.15);
}

.upcoming-avg-badge {
  font-size: 0.7rem;
  font-weight: 500;
  text-transform: none;
  letter-spacing: 0;
  padding: 0.1rem 0.5rem;
  border-radius: 4px;
}
.upcoming-avg-badge.fail { background: rgba(247, 96, 96, 0.12); color: var(--danger); }
.upcoming-avg-badge.pass { background: rgba(76, 175, 125, 0.12); color: var(--success); }

.upcoming-row td {
  opacity: 0.8;
}

.min-score-badge {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  padding: 0.1rem 0.45rem;
  border-radius: 4px;
  margin-left: 0.5rem;
  vertical-align: middle;
}
.min-score-badge.needed  { background: rgba(247, 162, 79, 0.15); color: var(--warn); }
.min-score-badge.impossible { background: rgba(247, 96, 96, 0.12); color: var(--danger); }
.min-score-badge.ok { background: rgba(76, 175, 125, 0.12); color: var(--success); }

.btn-ghost.active {
  background: rgba(79, 142, 247, 0.1);
  border-color: var(--accent);
  color: var(--accent);
}

/* ─── Profile / Settings panel ───────────────────────────────────────────── */

.profile-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.55);
  z-index: 200;
  backdrop-filter: blur(2px);
}

.profile-panel {
  position: fixed;
  top: 0;
  right: 0;
  width: min(420px, 100vw);
  height: 100vh;
  background: var(--surface);
  border-left: 1px solid var(--border);
  z-index: 201;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.profile-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border);
  font-weight: 700;
  font-size: 0.95rem;
  flex-shrink: 0;
}

.profile-body {
  overflow-y: auto;
  flex: 1;
}

.profile-section {
  padding: 1.1rem 1.5rem;
  border-bottom: 1px solid var(--border);
}

.profile-section-title {
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--muted);
  margin-bottom: 0.75rem;
}

.profile-field {
  margin-bottom: 0.65rem;
}

.profile-field label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--muted);
  margin-bottom: 0.3rem;
}

.profile-field-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.profile-hint {
  font-size: 0.75rem;
  color: var(--muted);
  line-height: 1.5;
}

.profile-subject-list {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.profile-subject-row {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.35rem 0.6rem;
  background: var(--surface2);
  border-radius: 8px;
}

.profile-subject-naam {
  flex: 1;
  font-size: 0.85rem;
}

.profile-subject-target {
  width: 4.5rem;
  padding: 0.15rem 0.35rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-size: 0.82rem;
  font-weight: 600;
  text-align: center;
  outline: none;
  -moz-appearance: textfield;
}

.profile-subject-target:focus { border-color: var(--accent); }

.profile-subject-del {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1;
  padding: 0.1rem 0.25rem;
  border-radius: 4px;
  transition: color 0.15s;
}
.profile-subject-del:hover { color: var(--danger); }

/* Scrollbar */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }

/* ── Unboxing overlay ─────────────────────────────────────────────────────── */
.unboxing-overlay {
  position: fixed; inset: 0; z-index: 9999;
  background: rgba(0,0,0,.85);
  display: flex; align-items: center; justify-content: center;
  backdrop-filter: blur(6px);
}
.unboxing-card {
  position: relative; z-index: 2;
  display: flex; flex-direction: column; align-items: center; gap: 18px;
  text-align: center; padding: 56px 48px;
  background: #0f1117; border: 1px solid #FFD700;
  border-radius: 20px; box-shadow: 0 0 60px rgba(255,215,0,.25);
  min-width: 340px; max-width: 480px;
}
.unboxing-vak {
  font-size: 1.1rem; font-weight: 600; color: #aaa; letter-spacing: .06em;
  text-transform: uppercase; opacity: 0;
  animation: ub-fadein .5s .1s forwards;
}
.unboxing-verdict {
  font-size: 2.2rem; font-weight: 800; letter-spacing: .02em;
  min-height: 2.6rem; opacity: 0;
}
.unboxing-verdict.show { animation: ub-pop .45s forwards; }
.unboxing-verdict.voldoende { color: #57F287; }
.unboxing-verdict.onvoldoende { color: #ED4245; }
.unboxing-cijfer {
  font-size: 5.5rem; font-weight: 900; line-height: 1;
  color: #FFD700; text-shadow: 0 0 30px rgba(255,215,0,.5);
  min-height: 6rem; letter-spacing: -.02em; opacity: 0;
}
.unboxing-cijfer.show { animation: ub-fadein .3s forwards; }
.unboxing-sub {
  font-size: .9rem; color: #666; min-height: 1.2rem; opacity: 0;
}
.unboxing-sub.show { animation: ub-fadein .4s forwards; }
.unboxing-next {
  margin-top: 8px; padding: 10px 32px;
  background: #FFD700; color: #0f1117;
  border: none; border-radius: 8px; font-size: 1rem; font-weight: 700;
  cursor: pointer; transition: transform .1s;
}
.unboxing-next:hover { transform: scale(1.04); }

/* Confetti particles */
.unboxing-particles { position: fixed; inset: 0; pointer-events: none; z-index: 1; }
.unboxing-particle {
  position: absolute; width: 8px; height: 8px; border-radius: 2px;
  animation: ub-fall linear forwards;
}

@keyframes ub-fadein { from { opacity:0; transform:translateY(10px); } to { opacity:1; transform:none; } }
@keyframes ub-pop    { 0% { opacity:0; transform:scale(.5); } 60% { transform:scale(1.15); } 100% { opacity:1; transform:scale(1); } }
@keyframes ub-fall   {
  0%   { opacity:1; transform: translateY(0) rotate(0deg); }
  100% { opacity:0; transform: translateY(100vh) rotate(720deg); }
}