/* auth.css — sdílený design pro login, register, zapomenute-heslo(-overeni),
   waiting_verification, vitejte, unsubscribe. Samostatný soubor, aby se
   nezasahovalo do style.css / style_devices.css / emoce.css / program.css,
   které používá desítky dalších šablon. */

@font-face {
  font-family: 'Gagalin';
  src: url('/static/fonts/Gagalin-Regular.otf') format('opentype');
  font-weight: normal;
  font-style: normal;
}

:root{
  --bg:#ffffff;
  --bg-alt:#f6f8fb;
  --bg-orange-soft:#fff5ee;
  --bg-blue-soft:#eef4fc;
  --text:#171b21;
  --text-muted:#5c6673;
  --orange:#ff762f;
  --orange-dark:#e65a15;
  --blue:#004a99;
  --blue-light:#1c6fd0;
  --green:#1f9d55;
  --border:#e8ecf2;
  --shadow:0 12px 34px rgba(15,35,70,.08);
  --radius-lg:20px;
  --radius-md:14px;
  --container:1160px;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-alt);
  color:var(--text);
  font-family:'Poppins', sans-serif;
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;}
.container{max-width:var(--container);margin:0 auto;padding:0 20px;}
[id]{scroll-margin-top:96px;}

h1,h2,h3{font-weight:700;color:var(--text);margin:0 0 .6rem;}
h2{font-family:'Gagalin', sans-serif;font-weight:normal;font-size:clamp(1.8rem,3.6vw,2.6rem);line-height:1.2;}
p{margin:0 0 1rem;color:var(--text);}
.muted{color:var(--text-muted);}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.4rem;
  padding:.9rem 1.7rem;border-radius:999px;font-weight:700;font-size:1rem;
  text-decoration:none;border:2px solid transparent;cursor:pointer;transition:.15s ease;
}
.btn-primary{background:var(--orange);color:#fff;}
.btn-primary:hover{background:var(--orange-dark);}
.btn-outline{background:transparent;border-color:var(--blue);color:var(--blue);}
.btn-outline:hover{background:var(--bg-blue-soft);}
.btn-sm{padding:.55rem 1.1rem;font-size:.9rem;}
.btn-block{width:100%;}
.btn:disabled{opacity:.6;cursor:default;}

/* ---------- NAV (shodné s program.html) ---------- */
.sticky-nav{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--border);}
.nav-row{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.85rem 0;}
.brand{font-family:'Gagalin', sans-serif;font-size:1.35rem;color:var(--blue);text-decoration:none;white-space:nowrap;}
.nav-links{display:flex;align-items:center;gap:1.4rem;flex:1;justify-content:center;flex-wrap:wrap;}
.nav-links a{font-size:.95rem;font-weight:500;text-decoration:none;color:var(--text);}
.nav-links a:hover{color:var(--orange);}
.nav-cta{display:flex;align-items:center;gap:.7rem;}
.nav-login{font-weight:600;text-decoration:none;font-size:.95rem;color:var(--blue);}
.only-desktop{display:flex;}
.only-mobile{display:none;}
.hamburger{display:none;background:none;border:none;cursor:pointer;padding:.4rem;}
.hamburger .bar{display:block;width:24px;height:2px;background:var(--text);position:relative;}
.hamburger .bar::before,.hamburger .bar::after{content:"";position:absolute;left:0;width:24px;height:2px;background:var(--text);}
.hamburger .bar::before{top:-7px;}
.hamburger .bar::after{top:7px;}

.nav-backdrop{display:none;position:fixed;inset:0;background:rgba(10,20,40,.4);z-index:70;}
.nav-panel{
  display:none;position:fixed;top:0;right:0;bottom:0;width:min(320px,85vw);background:#fff;
  z-index:80;padding:1.5rem;flex-direction:column;gap:.9rem;box-shadow:-10px 0 30px rgba(0,0,0,.15);
}
.nav-panel a{padding:.6rem 0;text-decoration:none;color:var(--text);font-weight:600;border-bottom:1px solid var(--border);}
.panel-cta{display:flex;flex-direction:column;gap:.6rem;margin-top:.6rem;}

body.nav-open .nav-backdrop{display:block;}
body.nav-open .nav-panel{display:flex;}

@media (max-width:960px){
  .nav-links{display:none;}
  .nav-cta.only-desktop{display:none;}
  .hamburger{display:inline-flex;}
  .only-mobile{display:flex;}
}

.show-when-logged-in{display:none;}
.show-when-logged-out{display:inline-flex;}
body.is-logged-in .show-when-logged-in{display:inline-flex;}
body.is-logged-in .show-when-logged-out{display:none;}

/* ---------- AUTH CARD (login/register/zapomenute-heslo/waiting_verification) ---------- */
.fade-in{
  padding:64px 0;
  opacity:1;
}

.container.contact{
  max-width:480px;
  margin:0 auto;
  padding:0 20px;
}

.contact-form,
.container.contact > h2,
.container.contact > p{
  background:#fff;
}

.container.contact{
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow);
  padding:2.4rem 2rem;
  margin-top:48px;
  margin-bottom:48px;
}

.container.contact h2{
  text-align:center;
  margin-bottom:.4rem;
}

.container.contact > p{
  text-align:center;
  color:var(--text-muted);
  margin-bottom:1.6rem;
}

.contact-form{
  display:flex;
  flex-direction:column;
  gap:1rem;
}

.form-group{
  display:flex;
  flex-direction:column;
  gap:.4rem;
}

.form-group label{
  font-size:.9rem;
  font-weight:600;
  color:var(--text);
}

.contact-form input,
.contact-form textarea{
  width:100%;
  padding:.85rem 1rem;
  border:1px solid var(--border);
  border-radius:var(--radius-md);
  font-family:inherit;
  font-size:1rem;
  color:var(--text);
  background:var(--bg-alt);
  transition:border-color .15s ease, background .15s ease;
}

.contact-form input:focus,
.contact-form textarea:focus{
  outline:none;
  border-color:var(--blue-light);
  background:#fff;
}

.btn-form{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:100%;
  padding:.9rem 1.7rem;
  margin-top:.4rem;
  border:none;
  border-radius:999px;
  background:var(--orange);
  color:#fff;
  font-weight:700;
  font-size:1rem;
  text-decoration:none;
  cursor:pointer;
  transition:background .15s ease;
}

.btn-form:hover{
  background:var(--orange-dark);
  color:#fff;
}

.link-to-form{
  display:block;
  text-align:center;
  margin-top:1.2rem;
  color:var(--blue);
  font-weight:600;
  text-decoration:none;
  font-size:.92rem;
}

.link-to-form:hover{
  color:var(--blue-light);
  text-decoration:underline;
}

.link-to-form.is-disabled{
  pointer-events:none;
  opacity:.55;
}

/* ---------- password show/hide toggle ---------- */
.password-field{position:relative;}
.password-field input{padding-right:5.2rem;}
.pw-toggle{
  position:absolute;
  top:50%;right:.5rem;
  transform:translateY(-50%);
  background:none;border:none;
  color:var(--blue);
  font-weight:600;
  font-size:.82rem;
  cursor:pointer;
  padding:.3rem .5rem;
}
.pw-toggle:hover{color:var(--blue-light);}

/* ---------- password strength meter ---------- */
.pw-meter{
  height:5px;
  border-radius:999px;
  background:var(--border);
  overflow:hidden;
  margin-top:.5rem;
}
.pw-meter__bar{
  display:block;
  height:100%;
  width:0;
  background:var(--border);
  transition:width .2s ease, background .2s ease;
}
.pw-meter__label{
  font-size:.8rem;
  margin:.35rem 0 0;
  min-height:1.1em;
}

/* ---------- inline field validation ---------- */
.field-error{
  display:block;
  color:#c0392b;
  font-size:.8rem;
  margin-top:.35rem;
  min-height:0;
}
.contact-form input.has-error,
.unsub-input.has-error{
  border-color:#c0392b;
}

/* ---------- 6-digit code boxes ---------- */
.code-boxes{display:flex;gap:.5rem;justify-content:center;}
.code-box{
  width:2.6rem;height:3.2rem;
  text-align:center;
  font-size:1.4rem;font-weight:700;
  border:1px solid var(--border);
  border-radius:var(--radius-md);
  background:var(--bg-alt);
  color:var(--text);
  font-family:inherit;
}
.code-box:focus{outline:none;border-color:var(--blue-light);background:#fff;}
@media (max-width:420px){
  .code-box{width:2.2rem;height:2.8rem;font-size:1.2rem;}
}

/* ---------- on-load reveal ---------- */
.auth-reveal{
  opacity:0;
  transform:translateY(18px);
  transition:opacity .55s ease, transform .55s ease;
}
.auth-reveal.is-visible{
  opacity:1;
  transform:none;
}

/* ---------- vitejte.html (welcome) ---------- */
#welcome{padding:56px 0;}
#welcome .container{max-width:760px;}
#welcome h2{text-align:center;}
.highlight{
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow);
  padding:1.8rem 2rem;
}

.highlight p{color:var(--text);}

.done-wrap{text-align:center;margin:2rem 0;}
.done-btn{
  display:inline-block;
  padding:.9rem 1.9rem;
  background:var(--orange);
  border-radius:999px;
  color:#fff;
  font-weight:700;
  text-decoration:none;
  box-shadow:var(--shadow);
  transition:background .15s ease, transform .15s ease;
}
.done-btn:hover{background:var(--orange-dark); transform:scale(1.03); color:#fff;}

/* ---------- unsubscribe.html ---------- */
.unsub-page{
  background:var(--bg-alt);
  min-height:70vh;
  display:flex;
  align-items:center;
  justify-content:center;
  padding:20px;
}

.unsub-card{
  max-width:520px;
  margin:64px auto;
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow);
  padding:2.4rem 2rem;
  text-align:center;
}

.unsub-title{
  font-family:'Gagalin', sans-serif;
  color:var(--blue);
  font-size:2rem;
  margin-bottom:.6rem;
}

.unsub-text{color:var(--text-muted); margin-bottom:1.6rem;}

.unsub-form-group{
  display:flex;
  flex-direction:column;
  gap:.5rem;
  text-align:left;
  margin-bottom:1.4rem;
}

.unsub-form-group label{
  font-size:.9rem;
  font-weight:600;
  color:var(--text);
  text-align:center;
}

.unsub-input{
  width:100%;
  padding:.85rem 1rem;
  border:1px solid var(--border);
  border-radius:var(--radius-md);
  font-family:inherit;
  font-size:1rem;
  color:var(--text);
  background:var(--bg-alt);
}

.unsub-input:focus{outline:none;border-color:var(--blue-light);background:#fff;}

.btn-unsub{
  width:100%;
  padding:.9rem 1.7rem;
  border:none;
  border-radius:999px;
  background:var(--orange);
  color:#fff;
  font-weight:700;
  font-size:1rem;
  cursor:pointer;
  transition:background .15s ease;
}
.btn-unsub:hover{background:var(--orange-dark);}

.back-home{
  display:inline-block;
  margin-top:1.4rem;
  color:var(--blue);
  font-weight:600;
  text-decoration:none;
  font-size:.92rem;
}
.back-home:hover{color:var(--blue-light); text-decoration:underline;}

@media (max-width:560px){
  .container.contact,
  .unsub-card{padding:1.8rem 1.4rem;}
}