/* ═══════════════════════════════════════════════════════
   STUDYBRAIN — GLOBAL DESIGN SYSTEM
   Importeer dit bestand op ELKE pagina
═══════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap');

/* ── TOKENS ── */
:root {
  --bg:        #05050f;
  --surface:   #0d0d1a;
  --card:      #111120;
  --border:    rgba(255,255,255,0.07);
  --border-hover: rgba(255,77,109,0.3);
  --accent:    #ff4d6d;
  --accent-dim: rgba(255,77,109,0.12);
  --accent-glow: rgba(255,77,109,0.25);
  --green:     #00e676;
  --yellow:    #ffd600;
  --text:      #f4f4f8;
  --muted:     #6b6b8a;
  --muted2:    #3a3a52;
  --font:      'Plus Jakarta Sans', sans-serif;
  --radius:    14px;
  --radius-lg: 20px;
  --shadow:    0 4px 24px rgba(0,0,0,0.4);
  --shadow-lg: 0 8px 48px rgba(0,0,0,0.6);
}

/* ── RESET ── */
*, *::before, *::after {
  margin: 0; padding: 0;
  box-sizing: border-box;
  font-synthesis: none;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  min-height: 100vh;
}

/* ── BACKGROUND ── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,77,109,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,77,109,0.025) 1px, transparent 1px);
  background-size: 56px 56px;
  pointer-events: none;
  z-index: 0;
}

/* ── TYPOGRAPHY ── */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.3px;
  color: var(--text);
}

/* ── FLOATING PILL NAV (alle pagina's) ── */
.sb-nav {
  position: fixed;
  top: 20px;
  left: 0; right: 0;
  z-index: 1000;
  display: flex;
  justify-content: center;
  padding: 0 20px;
  pointer-events: none;
}

.sb-nav-pill {
  display: flex;
  align-items: center;
  background: rgba(5,5,15,0.75);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 100px;
  padding: 7px 7px 7px 22px;
  width: 100%;
  max-width: 900px;
  box-shadow: 0 8px 40px rgba(0,0,0,0.4);
  transition: all 0.3s;
  pointer-events: all;
}

.sb-nav-pill.scrolled {
  background: rgba(3,3,12,0.95);
  border-color: rgba(255,77,109,0.1);
  box-shadow: 0 8px 40px rgba(0,0,0,0.6);
}

.sb-nav-logo {
  font-size: 17px;
  font-weight: 800;
  color: var(--text);
  text-decoration: none;
  margin-right: auto;
  letter-spacing: -0.3px;
  white-space: nowrap;
}
.sb-nav-logo span { color: var(--accent); }

.sb-nav-links {
  display: flex;
  gap: 2px;
  margin: 0 10px;
}
.sb-nav-links a {
  padding: 8px 13px;
  border-radius: 100px;
  font-size: 12px;
  font-weight: 600;
  color: var(--muted);
  text-decoration: none;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  transition: all 0.2s;
  white-space: nowrap;
  font-family: var(--font);
}
.sb-nav-links a:hover { color: var(--text); background: rgba(255,255,255,0.05); }

.sb-nav-actions {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-shrink: 0;
}

.sb-btn-ghost {
  padding: 9px 16px;
  border-radius: 100px;
  font-size: 13px;
  font-weight: 600;
  color: var(--muted);
  text-decoration: none;
  transition: all 0.2s;
  font-family: var(--font);
  background: none;
  border: none;
  cursor: pointer;
}
.sb-btn-ghost:hover { color: var(--text); }

.sb-btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  border-radius: 100px;
  background: var(--accent);
  color: white;
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
  transition: all 0.25s;
  font-family: var(--font);
  border: none;
  cursor: pointer;
  box-shadow: 0 0 20px var(--accent-glow);
  white-space: nowrap;
  letter-spacing: 0.01em;
}
.sb-btn-primary:hover {
  transform: scale(1.04);
  box-shadow: 0 0 32px var(--accent-glow);
}

.sb-nav-mobile-btn {
  display: none;
  background: none;
  border: none;
  color: var(--text);
  font-size: 20px;
  cursor: pointer;
  padding: 8px;
  font-family: var(--font);
}

/* ── APP SIDEBAR ── */
.sb-sidebar {
  position: fixed;
  left: 0; top: 0; bottom: 0;
  width: 220px;
  background: rgba(8,8,18,0.98);
  border-right: 1px solid var(--border);
  z-index: 100;
  display: flex;
  flex-direction: column;
  backdrop-filter: blur(20px);
}

.sb-sidebar-logo {
  font-size: 16px;
  font-weight: 800;
  color: var(--text);
  padding: 20px 20px 16px;
  border-bottom: 1px solid var(--border);
  letter-spacing: -0.3px;
}
.sb-sidebar-logo span { color: var(--accent); }

.sb-sidebar-nav {
  flex: 1;
  padding: 12px 10px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  overflow-y: auto;
}

.sb-sidebar-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 10px;
  font-size: 13px;
  font-weight: 500;
  color: var(--muted);
  text-decoration: none;
  cursor: pointer;
  transition: all 0.15s;
  border: none;
  background: none;
  width: 100%;
  text-align: left;
  font-family: var(--font);
}
.sb-sidebar-item:hover { background: rgba(255,255,255,0.04); color: var(--text); }
.sb-sidebar-item.active { background: var(--accent-dim); color: var(--accent); font-weight: 600; }
.sb-sidebar-item svg { width: 16px; height: 16px; flex-shrink: 0; opacity: 0.6; }
.sb-sidebar-item.active svg, .sb-sidebar-item:hover svg { opacity: 1; }

.sb-sidebar-sep { height: 1px; background: var(--border); margin: 6px 10px; }

.sb-sidebar-bottom {
  padding: 12px 10px;
  border-top: 1px solid var(--border);
}

.sb-sidebar-plan {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 9px 12px;
  border-radius: 10px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  margin-bottom: 6px;
  cursor: pointer;
  transition: all 0.15s;
}
.sb-sidebar-plan:hover { border-color: rgba(255,255,255,0.12); }
.sb-sidebar-plan-name { font-size: 12px; font-weight: 700; color: var(--text); }
.sb-sidebar-plan-label { font-size: 10px; color: var(--muted); margin-top: 1px; }
.sb-sidebar-plan-badge {
  font-size: 10px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 20px;
  background: var(--accent-dim);
  color: var(--accent);
  border: 1px solid rgba(255,77,109,0.2);
}

.sb-sidebar-email {
  font-size: 11px;
  color: var(--muted2);
  padding: 4px 12px 8px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.sb-sidebar-logout {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 9px 12px;
  border-radius: 10px;
  font-size: 13px;
  color: var(--muted);
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font);
  transition: all 0.15s;
  text-align: left;
}
.sb-sidebar-logout:hover { background: rgba(255,77,109,0.08); color: var(--accent); }

/* ── MOBILE DRAWER ── */
.sb-drawer {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  z-index: 2000;
  pointer-events: none;
}
.sb-drawer-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.7);
  opacity: 0;
  transition: opacity 0.3s;
  backdrop-filter: blur(4px);
}
.sb-drawer-panel {
  position: absolute;
  top: 0; right: 0; bottom: 0;
  width: 280px;
  background: rgba(5,5,15,0.98);
  border-left: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform 0.35s cubic-bezier(0.4,0,0.2,1);
  padding: 24px 0;
}
.sb-drawer.open { pointer-events: all; }
.sb-drawer.open .sb-drawer-overlay { opacity: 1; }
.sb-drawer.open .sb-drawer-panel { transform: translateX(0); }
.sb-drawer-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px 20px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 12px;
}
.sb-drawer-logo { font-size: 17px; font-weight: 800; }
.sb-drawer-logo span { color: var(--accent); }
.sb-drawer-close {
  background: none;
  border: none;
  color: var(--muted);
  font-size: 20px;
  cursor: pointer;
  font-family: var(--font);
  padding: 4px;
}
.sb-drawer-links {
  flex: 1;
  padding: 0 12px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.sb-drawer-link {
  display: block;
  padding: 12px 14px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 500;
  color: var(--muted);
  text-decoration: none;
  transition: all 0.15s;
  cursor: pointer;
  border: none;
  background: none;
  font-family: var(--font);
  text-align: left;
  width: 100%;
}
.sb-drawer-link:hover { background: rgba(255,255,255,0.04); color: var(--text); }
.sb-drawer-link.cta {
  background: var(--accent-dim);
  color: var(--accent);
  font-weight: 700;
  border: 1px solid rgba(255,77,109,0.2);
  margin-bottom: 8px;
}
.sb-drawer-sep { height: 1px; background: var(--border); margin: 8px 0; }
.sb-drawer-foot { padding: 16px 12px; border-top: 1px solid var(--border); }

/* ── SHARED BUTTONS ── */
.sb-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 24px;
  border-radius: 100px;
  font-family: var(--font);
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  border: none;
  transition: all 0.25s;
  text-decoration: none;
  letter-spacing: 0.01em;
}
.sb-btn-accent {
  background: var(--accent);
  color: white;
  box-shadow: 0 0 24px var(--accent-glow);
}
.sb-btn-accent:hover { transform: translateY(-2px); box-shadow: 0 0 40px var(--accent-glow); }
.sb-btn-outline {
  background: rgba(255,255,255,0.05);
  color: var(--text);
  border: 1px solid var(--border);
  backdrop-filter: blur(8px);
}
.sb-btn-outline:hover { background: rgba(255,255,255,0.09); border-color: rgba(255,255,255,0.15); }
.sb-btn:disabled { opacity: 0.4; cursor: not-allowed; transform: none !important; box-shadow: none !important; }

/* ── SHARED FORM ELEMENTS ── */
.sb-field { margin-bottom: 18px; }
.sb-field label {
  display: block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 8px;
}
.sb-input {
  width: 100%;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 13px 16px;
  color: var(--text);
  font-family: var(--font);
  font-size: 14px;
  outline: none;
  transition: all 0.2s;
}
.sb-input:focus { border-color: var(--accent); background: rgba(255,77,109,0.04); }
.sb-input::placeholder { color: rgba(255,255,255,0.2); }

/* ── SHARED CARDS ── */
.sb-card {
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: border-color 0.2s, transform 0.2s;
}
.sb-card:hover { border-color: var(--border-hover); }

/* ── SHARED MSG ── */
.sb-msg {
  padding: 12px 16px;
  border-radius: 10px;
  font-size: 13px;
  line-height: 1.5;
  display: none;
  margin-bottom: 16px;
}
.sb-msg.error { background: rgba(255,77,109,0.08); border: 1px solid rgba(255,77,109,0.2); color: #ff8fa3; }
.sb-msg.success { background: rgba(0,230,118,0.07); border: 1px solid rgba(0,230,118,0.2); color: var(--green); }

/* ── GLOW ORBS ── */
.sb-orb {
  position: fixed;
  border-radius: 50%;
  filter: blur(90px);
  pointer-events: none;
  z-index: 0;
  animation: sb-orb-float 10s ease-in-out infinite;
}
.sb-orb-1 { width: 600px; height: 600px; background: radial-gradient(circle, rgba(255,77,109,0.1), transparent 65%); top: -200px; right: -100px; }
.sb-orb-2 { width: 500px; height: 500px; background: radial-gradient(circle, rgba(99,102,241,0.07), transparent 65%); bottom: 0; left: -150px; animation-delay: -4s; animation-direction: reverse; }
@keyframes sb-orb-float { 0%,100%{transform:translate(0,0)} 50%{transform:translate(20px,-20px)} }

/* ── TOAST ── */
.sb-toast {
  position: fixed;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%) translateY(80px);
  background: rgba(0,230,118,0.1);
  border: 1px solid rgba(0,230,118,0.2);
  backdrop-filter: blur(12px);
  color: var(--green);
  padding: 13px 22px;
  border-radius: 100px;
  font-size: 13px;
  font-weight: 600;
  z-index: 9999;
  transition: transform 0.4s cubic-bezier(0.34,1.56,0.64,1), opacity 0.4s;
  opacity: 0;
  pointer-events: none;
  white-space: nowrap;
}
.sb-toast.show { transform: translateX(-50%) translateY(0); opacity: 1; }

/* ── COOKIE ── */
.sb-cookie {
  display: none;
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(10,10,22,0.96);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 18px 24px;
  max-width: 520px;
  width: calc(100% - 40px);
  z-index: 9998;
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow-lg);
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.sb-cookie-text { font-size: 13px; color: var(--muted); flex: 1; min-width: 180px; line-height: 1.6; }
.sb-cookie-text a { color: var(--accent); text-decoration: none; }
.sb-cookie-btns { display: flex; gap: 8px; flex-shrink: 0; }
.sb-cookie-ok { padding: 9px 20px; background: var(--accent); border: none; border-radius: 100px; color: white; font-size: 13px; font-weight: 700; cursor: pointer; font-family: var(--font); }
.sb-cookie-no { padding: 9px 20px; background: none; border: 1px solid var(--border); border-radius: 100px; color: var(--muted); font-size: 13px; cursor: pointer; font-family: var(--font); }

/* ── RESPONSIVE ── */
@media (max-width: 768px) {
  .sb-nav-links { display: none; }
  .sb-btn-ghost.hide-mobile { display: none; }
  .sb-nav-mobile-btn { display: block; }
}