:root{
  --bg: #ffffff;
  --ink: #0b2b33;
  --muted: #55737b;

  /* tweak these to match your logo tones */
  --teal: #39b9c2;
  --deep: #0a3c4a;

  --card: #f6fbfb;
  --border: rgba(10,60,74,.15);
  --shadow: 0 18px 60px rgba(10,60,74,.12);
  --radius: 18px;
}

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

.center{
  min-height: 100vh;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap: 18px;
  padding: 32px 16px;
  text-align:center;
}

.logo{
  width: min(520px, 84vw);
  height:auto;
  display:block;
}

.tagline{
  font-weight: 600;
  letter-spacing: .2px;
  color: var(--deep);
  opacity: .9;
}

.tagline span{ padding: 0 4px; }

.welcome-btn{
  margin-top: 8px;
  border: 0;
  border-radius: 999px;
  padding: 14px 26px;
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  color: #fff;
  background: linear-gradient(135deg, var(--deep), var(--teal));
  box-shadow: var(--shadow);
  transform: translateY(8px);
  opacity: 0;
  transition: opacity .6s ease, transform .6s ease;
}

.welcome-btn.show{
  opacity: 1;
  transform: translateY(0);
}

/* Micro-fade welcome message (after splash) */
.micro-welcome{
  margin-top: 6px;
  font-weight: 800;
  font-size: clamp(18px, 2.2vw, 24px);
  color: var(--deep);
  opacity: 0;
  transform: translateY(6px);
  transition: opacity .7s ease, transform .7s ease;
}

.micro-welcome.show{
  opacity: 1;
  transform: translateY(0);
}

/* --- Wave hit splash (foam + mist + droplets) --- */
.wave-overlay{
  position: fixed;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  z-index: 10;
}

/* Main wave mass that “hits” the screen */
.wave-body{
  position:absolute;
  left:-12%;
  top:-40vh;
  width:124%;
  height:52vh;
  border-radius: 0 0 55% 55%;
  background:
    radial-gradient(120% 70% at 50% 0%,
      rgba(57,185,194,.55) 0%,
      rgba(57,185,194,.35) 45%,
      rgba(10,60,74,.22) 75%,
      rgba(10,60,74,.12) 100%);
  transform: translateY(-10vh);
  opacity: 0;
  animation: waveHit 2.4s cubic-bezier(.16,.9,.18,1) forwards;
}

/* Foam arc at the front edge */
.splash-foam{
  position:absolute;
  left:-15%;
  top:-28vh;
  width:130%;
  height:32vh;
  border-radius: 0 0 65% 65%;
  background:
    radial-gradient(closest-side at 20% 80%, rgba(255,255,255,.85) 0%, rgba(255,255,255,0) 70%),
    radial-gradient(closest-side at 40% 78%, rgba(255,255,255,.75) 0%, rgba(255,255,255,0) 72%),
    radial-gradient(closest-side at 60% 80%, rgba(255,255,255,.80) 0%, rgba(255,255,255,0) 70%),
    radial-gradient(closest-side at 80% 78%, rgba(255,255,255,.70) 0%, rgba(255,255,255,0) 72%);
  filter: blur(0.3px);
  opacity: 0;
  animation: foamBurst 2.4s cubic-bezier(.16,.9,.18,1) forwards;
}

/* Fine mist/froth that expands then fades */
.splash-mist{
  position:absolute;
  left:-10%;
  top:0;
  width:120%;
  height:36vh;
  background: radial-gradient(60% 50% at 50% 30%,
    rgba(255,255,255,.45) 0%,
    rgba(255,255,255,.22) 35%,
    rgba(255,255,255,0) 70%);
  opacity: 0;
  transform: translateY(-10vh) scale(0.98);
  animation: mist 2.4s ease forwards;
}

/* Droplets container */
.droplets{
  position:absolute;
  inset:0;
}

/* Each droplet is injected by JS */
.droplet{
  position:absolute;
  width: var(--d);
  height: var(--d);
  border-radius: 999px;
  background: rgba(255,255,255,.85);
  box-shadow: 0 8px 18px rgba(10,60,74,.12);
  opacity: 0;
  transform: translateY(0);
  animation: dropletFly var(--t) ease-out forwards;
}

@keyframes waveHit{
  0%   { opacity:0; transform: translateY(-55vh); }
  16%  { opacity:1; }
  52%  { opacity:1; transform: translateY(18vh); }
  72%  { opacity:.95; transform: translateY(8vh); }
  100% { opacity:0; transform: translateY(-18vh); }
}

@keyframes foamBurst{
  0%   { opacity:0; transform: translateY(-55vh) scale(0.98); }
  18%  { opacity:1; }
  50%  { opacity:1; transform: translateY(16vh) scale(1.02); }
  70%  { opacity:.9; transform: translateY(7vh) scale(1.01); }
  100% { opacity:0; transform: translateY(-20vh) scale(1.0); }
}

@keyframes mist{
  0%   { opacity:0; transform: translateY(-20vh) scale(0.98); }
  35%  { opacity:.85; transform: translateY(8vh) scale(1.02); }
  60%  { opacity:.55; transform: translateY(4vh) scale(1.04); }
  100% { opacity:0; transform: translateY(-10vh) scale(1.05); }
}

@keyframes dropletFly{
  0%   { opacity:0; transform: translate(var(--x0), var(--y0)) scale(.9); }
  15%  { opacity:1; }
  100% { opacity:0; transform: translate(var(--x1), var(--y1)) scale(1); }
}

/* Editions page */
.topbar{
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding: 18px 18px;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: rgba(255,255,255,.9);
  backdrop-filter: blur(8px);
  z-index: 5;
}

.brand{ display:flex; align-items:center; gap: 12px; }
.brand-logo{ width: 48px; height: 48px; object-fit: contain; }
.brand-name{ font-weight: 800; }
.brand-tagline{ color: var(--muted); font-size: 13px; margin-top: 2px; }

.container{
  max-width: 980px;
  margin: 0 auto;
  padding: 28px 16px 60px;
}

/* Editions grid with cover thumbnails */
.editions-grid{
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
  margin-top: 18px;
}

.edition-card{
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
}

.edition-cover{
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  display:block;
  background: #fff;
}

.edition-body{
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex: 1;
}

.edition-actions{
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: auto;
}

.edition-card.placeholder{
  background: transparent;
  box-shadow: none;
  border-style: dashed;
}

.edition-card.placeholder .btn{
  opacity: .65;
  cursor: not-allowed;
}

/* Buttons */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  text-decoration:none;
  border-radius: 999px;
  padding: 10px 16px;
  font-weight: 700;
  border: 1px solid transparent;
}

.btn.primary{
  color:#fff;
  background: linear-gradient(135deg, var(--deep), var(--teal));
}

.btn.ghost{
  color: var(--deep);
  background: transparent;
  border-color: var(--border);
}

/* Password dialog */
.pw-dialog{
  border: 0;
  border-radius: 18px;
  padding: 0;
  box-shadow: var(--shadow);
  width: min(420px, 92vw);
}

.pw-form{
  padding: 18px;
  background: #fff;
}

.pw-sub{ margin-top: 6px; color: var(--muted); }

.pw-label{ display:block; margin-top: 12px; font-weight: 700; }
.pw-input{
  width: 100%;
  margin-top: 8px;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid var(--border);
  outline: none;
  font-size: 15px;
}

.pw-actions{
  display:flex;
  gap: 10px;
  justify-content:flex-end;
  margin-top: 14px;
}

.pw-error{
  margin: 10px 0 0;
  color: #b00020;
  min-height: 18px;
  font-weight: 600;
}

h1{ margin: 0 0 10px; }
h2{ margin: 0 0 6px; }
.muted{ color: var(--muted); margin: 0; }