:root{
  --bg-dark:#245b5b;
  --bg-deep:#2f6f6f;
  --bg-soft:#e8f6f6;
  --accent:#66c5c5;
  --accent-strong:#5bb8b8;
  --text:#173535;
  --card:#ffffff;
  --header-h:64px;
  --menu-w:280px;
}

*{ box-sizing:border-box; }

body{
  margin:0;
  font-family:"Trebuchet MS","Segoe UI","Verdana","Tahoma",Arial,sans-serif;
  color:var(--text);
  background:
    radial-gradient(circle at 20% 20%, color-mix(in srgb, var(--bg-soft) 70%, #ffffff 30%) 0%, var(--bg-soft) 55%, color-mix(in srgb, var(--bg-soft) 70%, var(--accent) 30%) 100%);
}

body.theme-2018{
  --bg-soft:#fff8a7;
  --bg-deep:#ff06d8;
  --bg-dark:#b10093;
  --accent:#ff5fe5;
  --accent-strong:#ffed04;
  --text:#2a0820;
  --card:#ffffff;
}

body.theme-2015{
  --bg-soft:#9bc6dc;
  --bg-deep:#f6b332;
  --bg-dark:#c48a19;
  --accent:#f6b332;
  --accent-strong:#ffd27a;
  --text:#1f3c4b;
  --card:#ffffff;
}

body.theme-2016{
  --bg-soft:#ac1632;
  --bg-deep:#7f0f25;
  --bg-dark:#4b0816;
  --accent:#ac1632;
  --accent-strong:#d33c55;
  --text:#2b0b12;
  --card:#ffffff;
}

body.theme-2019{
  --bg-soft:#a4d5d2;
  --bg-deep:#05606b;
  --bg-dark:#02758c;
  --accent:#159d9f;
  --accent-strong:#5ab0a7;
  --text:#0f2c30;
  --card:#ffffff;
}

body.theme-2020{
  --bg-soft:#fdfdfd;
  --bg-deep:#1a1917;
  --bg-dark:#11100f;
  --accent:#d81b21;
  --accent-strong:#e7a205;
  --text:#1a1917;
  --card:#ffffff;
}

body.theme-2022{
  --bg-soft:#a3e1e7;
  --bg-deep:#3a7d86;
  --bg-dark:#2b5f66;
  --accent:#4fb2bf;
  --accent-strong:#7ccad2;
  --text:#12373c;
  --card:#ffffff;
}

body.theme-2023{
  --bg-soft:#f3efe7;
  --bg-deep:#2c2420;
  --bg-dark:#1f1a17;
  --accent:#57a7db;
  --accent-strong:#665a56;
  --text:#2c2420;
  --card:#ffffff;
}

body.theme-2024{
  --bg-soft:#f9dad4;
  --bg-deep:#e03c40;
  --bg-dark:#a4272b;
  --accent:#e03c40;
  --accent-strong:#f06b6d;
  --text:#3b1f21;
  --card:#ffffff;
}

body.theme-2025{
  --bg-soft:#f7a8b8;
  --bg-deep:#55cdfc;
  --bg-dark:#2c79a6;
  --accent:#f7a8b8;
  --accent-strong:#ffffff;
  --text:#123446;
  --card:#ffffff;
}

.site-header{
  position:fixed;
  top:0;
  left:0;
  right:0;
  height:var(--header-h);
  display:flex;
  align-items:center;
  justify-content:flex-start;
  padding:0 20px;
  background:linear-gradient(160deg, var(--bg-deep), var(--bg-dark));
  color:#fff;
  z-index:10;
  letter-spacing:1px;
  text-transform:uppercase;
}

.site-logo{
  height:42px;
  width:auto;
  object-fit:contain;
  margin-right:12px;
}

.menu-toggle{
  margin-left:auto;
}
 
.site-header h1{
  margin:0;
  font-size:18px;
  display:flex;
  gap:8px;
  align-items:baseline;
}

.site-header h1 span{
  font-size:14px;
  font-weight:600;
  opacity:.85;
  text-transform:none;
  letter-spacing:.3px;
}

.menu-toggle{
  border:1px solid rgba(255,255,255,.4);
  background:rgba(255,255,255,.08);
  color:#fff;
  padding:8px 10px;
  border-radius:10px;
  cursor:pointer;
  font-size:14px;
  text-transform:none;
  letter-spacing:.4px;
  display:none;
}

.menu-toggle:hover{
  background:rgba(255,255,255,.18);
}

.layout{
  display:flex;
  min-height:100vh;
  padding-top:var(--header-h);
}

.site-menu{
  position:fixed;
  top:var(--header-h);
  left:0;
  bottom:0;
  width:var(--menu-w);
  background:linear-gradient(160deg, color-mix(in srgb, var(--bg-deep) 92%, #000 8%), color-mix(in srgb, var(--bg-dark) 96%, #000 4%));
  color:#fff;
  padding:18px 14px;
  overflow:auto;
}

.site-menu ul{
  list-style:none;
  padding:0;
  margin:0;
}

.site-menu li{
  margin-bottom:14px;
  font-size:15px;
}

.site-menu .sidebar__logo{
  display:block;
  padding:10px 12px;
  border-radius:10px;
  color:#fff;
  text-decoration:none;
  font-weight:800;
  letter-spacing:1px;
  text-transform:uppercase;
  line-height:1.2;
}

.site-menu a{
  color:#fff;
  text-decoration:none;
  padding:8px 12px;
  border-radius:10px;
  display:block;
}

.site-menu a:hover{
  background:color-mix(in srgb, var(--accent) 55%, rgba(0,0,0,.2) 45%);
  color:#fff;
}

.site-menu .active{
  background:var(--accent);
  font-weight:700;
}

.site-menu li ul{
  margin-top:14px;
  margin-left:8px;
}

.site-menu > ul > li{
  margin-bottom:18px;
}

.content{
  margin-left:var(--menu-w);
  padding:28px 32px 48px;
  width:100%;
  max-width:1100px;
}

.card{
  background:var(--card);
  border-radius:16px;
  padding:20px;
  box-shadow:0 6px 20px rgba(0,0,0,.06);
}

.card h2{
  margin:0 0 12px;
  font-size:22px;
}

.intro{
  max-width:800px;
  margin:0 0 18px;
  font-size:16px;
  line-height:1.6;
}

.viewer-wrap{
  display:flex;
  flex-direction:column;
  gap:16px;
}

.viewer{
  background:color-mix(in srgb, var(--bg-soft) 70%, #ffffff 30%);
  border-radius:14px;
  padding:16px;
  border:1px solid color-mix(in srgb, var(--accent) 45%, #ffffff 55%);
  display:flex;
  justify-content:center;
  align-items:center;
  min-height:280px;
}

#pdf-canvas{
  width:100%;
  height:auto;
  display:block;
  border-radius:10px;
  background:#fff;
}

.controls{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  align-items:center;
  justify-content:center;
  font-family:"Segoe UI",system-ui,sans-serif;
}

.controls button,
.controls a{
  border:none;
  background:var(--accent);
  color:#fff;
  padding:10px 14px;
  border-radius:10px;
  cursor:pointer;
  font-size:14px;
  text-decoration:none;
  transition:transform .15s ease, background .2s ease;
}

.controls button:hover,
.controls a:hover{
  background:var(--accent-strong);
  transform:translateY(-1px);
}

.controls input{
  width:60px;
  padding:8px;
  border-radius:8px;
  border:1px solid rgba(45,93,100,.35);
  text-align:center;
  font-family:"Segoe UI",system-ui,sans-serif;
}

.controls .status{
  font-size:14px;
  color:color-mix(in srgb, var(--text) 80%, var(--accent) 20%);
  padding:4px 8px;
}

.contact-form{
  display:flex;
  flex-direction:column;
  gap:10px;
  margin-top:12px;
  font-family:"Segoe UI",system-ui,sans-serif;
}

.contact-form label{
  font-size:14px;
  color:#233b40;
}

.contact-form input,
.contact-form textarea{
  border:1px solid rgba(45,93,100,.35);
  border-radius:10px;
  padding:10px 12px;
  font-size:14px;
  font-family:"Segoe UI",system-ui,sans-serif;
}

.contact-form button{
  align-self:flex-start;
  border:none;
  background:var(--accent);
  color:#fff;
  padding:10px 18px;
  border-radius:10px;
  cursor:pointer;
  font-size:14px;
  transition:transform .15s ease, background .2s ease;
}

.contact-form button:hover{
  background:var(--accent-strong);
  transform:translateY(-1px);
}

.contact-success{
  background:#e2f7f1;
  border:1px solid rgba(79,163,169,.4);
  color:#1d4a4e;
  padding:10px 12px;
  border-radius:10px;
  margin:0 0 12px;
}

.contact-error{
  background:#fff1f1;
  border:1px solid rgba(210,90,90,.4);
  color:#7a2d2d;
  padding:10px 12px;
  border-radius:10px;
  margin:0 0 12px;
}

video{
  width:100%;
  border-radius:12px;
}

.audio-list{
  display:grid;
  gap:16px;
}

.audio-item{
  display:flex;
  flex-direction:column;
  gap:6px;
}

.audio-item strong{
  font-size:14px;
  color:#333;
}

footer{
  margin-top:40px;
  font-size:13px;
  color:#555;
}

.poesia-wrap{
  display:flex;
  gap:18px;
  align-items:flex-start;
  flex-wrap:nowrap;
}



.poesia-text{
  flex:1;
  min-width:240px;
}

.poesia-text h2{
  margin-top:0;
}

.poesia-img{
  width:450px;
  max-width:450px;
  height:450px;
  border-radius:12px;
  box-shadow:0 6px 18px rgba(0,0,0,.12);
  object-fit:fill;
}

.scene-cover{
  width:100%;
  border-radius:14px;
  display:block;
  height:auto;
  object-fit:contain;
}


@media (max-width: 980px){
  .content{
    padding:22px;
  }
}

@media (max-width: 760px){
  .poesia-wrap{
    flex-wrap:wrap;
  }

  .poesia-img{
    width:100%;
    max-width:100%;
    height:auto;
    object-fit:cover;
  }

  :root{
    --header-h:58px;
  }

  .site-menu{
    position:fixed;
    top:var(--header-h);
    left:0;
    right:0;
    width:100%;
    height:auto;
    padding:12px 14px;
    overflow:auto;
    max-height:0;
    opacity:0;
    pointer-events:none;
    transition:max-height .25s ease, opacity .2s ease;
  }

  .content{
    margin-left:0;
    max-width:none;
    padding-top:24px;
  }

  .controls button span,
  .controls a span{
    display:none;
  }

  .menu-toggle{
    display:inline-flex;
    align-items:center;
    gap:6px;
  }

  body.menu-open .site-menu{
    max-height:60vh;
    opacity:1;
    pointer-events:auto;
  }

  body.menu-open .layout{
    padding-top:calc(var(--header-h) + 260px);
  }
}