/* ===== Mini-forum CSS (clean, responsive) ===== */
:root{
  --bg: #0b1220;
  --card: rgba(255,255,255,.06);
  --card2: rgba(255,255,255,.08);
  --text: #e8eefc;
  --muted: rgba(232,238,252,.75);
  --border: rgba(255,255,255,.12);
  --shadow: 0 18px 55px rgba(0,0,0,.45);
  --primary: #7aa2ff;
  --primary2: #5eead4;
  --danger: #ff5a7a;
  --success: #22c55e;
  --radius: 16px;
  --radius-sm: 12px;
  --ring: 0 0 0 4px rgba(122,162,255,.20);
  --font: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
}

*{ box-sizing: border-box; }
html,body{ height: 100%; }
body{
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background:
    radial-gradient(1200px 600px at 10% 10%, rgba(122,162,255,.18), transparent 60%),
    radial-gradient(900px 500px at 90% 0%, rgba(94,234,212,.14), transparent 55%),
    radial-gradient(900px 700px at 50% 100%, rgba(255,90,122,.10), transparent 60%),
    linear-gradient(180deg, #070b14, var(--bg));
  line-height: 1.5;
}

/* container */
.container{
  width: min(980px, calc(100% - 32px));
  margin: 28px auto 80px;
}

/* top nav */
.nav{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 14px 18px;
  background: rgba(255,255,255,.05);
  border: 1px solid var(--border);
  border-radius: 999px;
  box-shadow: 0 8px 30px rgba(0,0,0,.25);
  backdrop-filter: blur(10px);
}

.brand{
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  letter-spacing: .2px;
}

.brand .dot{
  width: 12px;
  height: 12px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--primary), var(--primary2));
  box-shadow: 0 0 0 4px rgba(122,162,255,.15);
}

.nav a{
  color: var(--text);
  text-decoration: none;
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 600;
  opacity: .92;
  transition: all .15s ease;
}

.nav a:hover{
  background: rgba(255,255,255,.06);
  border-color: rgba(255,255,255,.12);
  transform: translateY(-1px);
  opacity: 1;
}

/* page title */
h1,h2,h3{
  margin: 18px 0 10px;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

h1{
  font-size: clamp(28px, 3vw, 40px);
}

h2{
  font-size: clamp(20px, 2.3vw, 28px);
  margin-top: 26px;
}

/* cards */
.card{
  margin-top: 18px;
  padding: 18px;
  border-radius: var(--radius);
  background: var(--card);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
}

.card.header{
  padding: 22px;
  background: linear-gradient(180deg, rgba(255,255,255,.07), rgba(255,255,255,.04));
}

.card + .card{ margin-top: 14px; }

/* alerts */
.alert{
  margin: 14px 0 0;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.06);
  color: var(--text);
}

.alert.danger{
  border-color: rgba(255,90,122,.40);
  background: rgba(255,90,122,.10);
  color: #ffd1dc;
}

/* form */
form{
  display: grid;
  gap: 12px;
  margin-top: 12px;
}

label{
  font-size: 14px;
  color: var(--muted);
  font-weight: 650;
}

textarea, input[type="text"], input[type="password"]{
  width: 100%;
  padding: 12px 12px;
  border-radius: var(--radius-sm);
  background: rgba(10,16,28,.65);
  border: 1px solid rgba(255,255,255,.14);
  color: var(--text);
  outline: none;
  transition: .15s ease;
}

textarea{
  min-height: 120px;
  resize: vertical;
}

textarea:focus, input:focus{
  border-color: rgba(122,162,255,.55);
  box-shadow: var(--ring);
}

.helper{
  font-size: 12.5px;
  color: rgba(232,238,252,.65);
  margin-top: -6px;
}

/* custom file input */
.file{
  display: grid;
  gap: 8px;
}

input[type="file"]{
  width: 100%;
  padding: 12px;
  border-radius: var(--radius-sm);
  background: rgba(10,16,28,.40);
  border: 1px dashed rgba(255,255,255,.18);
  color: rgba(232,238,252,.75);
}

input[type="file"]::file-selector-button{
  margin-right: 10px;
  border: 0;
  border-radius: 999px;
  padding: 10px 12px;
  font-weight: 700;
  cursor: pointer;
  color: #0b1220;
  background: linear-gradient(135deg, var(--primary), var(--primary2));
  transition: .15s ease;
}

input[type="file"]::file-selector-button:hover{
  transform: translateY(-1px);
  filter: brightness(1.03);
}

/* buttons */
.btn{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: fit-content;
  padding: 11px 14px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.16);
  background: rgba(255,255,255,.06);
  color: var(--text);
  font-weight: 750;
  cursor: pointer;
  transition: .15s ease;
}

.btn.primary{
  border: 0;
  color: #0b1220;
  background: linear-gradient(135deg, var(--primary), var(--primary2));
}

.btn:hover{
  transform: translateY(-1px);
  filter: brightness(1.02);
}

.btn:active{
  transform: translateY(0px);
}

/* posts list */
.posts{
  display: grid;
  gap: 12px;
  margin-top: 12px;
}

.post{
  padding: 16px;
  border-radius: var(--radius);
  background: var(--card2);
  border: 1px solid rgba(255,255,255,.12);
  box-shadow: 0 10px 30px rgba(0,0,0,.25);
}

.post .meta{
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  font-size: 12.5px;
  color: rgba(232,238,252,.75);
  margin-bottom: 10px;
}

.badge{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.06);
  font-weight: 650;
}

.post .content{
  font-size: 15.5px;
  white-space: pre-wrap;
  word-break: break-word;
}

.post img{
  display: block;
  max-width: 100%;
  height: auto;
  border-radius: 14px;
  margin-top: 12px;
  border: 1px solid rgba(255,255,255,.12);
}

/* footer */
.footer{
  margin-top: 26px;
  padding: 14px;
  text-align: center;
  color: rgba(232,238,252,.55);
  font-size: 12.5px;
}

/* mobile tweaks */
@media (max-width: 560px){
  .nav{ border-radius: 18px; padding: 12px 12px; }
  .nav a{ padding: 7px 9px; }
  .card{ padding: 14px; }
}
/* =========================
   Base
========================= */
:root{
  --bg: #0b1020;
  --panel: rgba(255,255,255,.06);
  --panel2: rgba(255,255,255,.10);
  --border: rgba(255,255,255,.12);
  --text: rgba(255,255,255,.92);
  --muted: rgba(255,255,255,.66);
  --muted2: rgba(255,255,255,.45);

  --primary: #7c3aed;     /* violet */
  --primary2:#22c55e;     /* green accent */
  --danger: #ef4444;
  --warn: #f59e0b;

  --radius: 16px;
  --shadow: 0 12px 40px rgba(0,0,0,.35);
}

*{ box-sizing:border-box; }
html,body{ height:100%; }
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Apple Color Emoji","Segoe UI Emoji";
  color: var(--text);
  background:
    radial-gradient(1100px 600px at 10% -10%, rgba(124,58,237,.35), transparent 60%),
    radial-gradient(900px 500px at 90% 0%, rgba(34,197,94,.22), transparent 55%),
    radial-gradient(900px 700px at 50% 110%, rgba(59,130,246,.18), transparent 60%),
    var(--bg);
}

a{ color:inherit; text-decoration:none; }
a:hover{ text-decoration:underline; }

.container{
  width:min(980px, calc(100% - 32px));
  margin: 28px auto 60px;
}

/* =========================
   Top nav / brand
========================= */
.nav{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:12px;
  padding:14px 16px;
  border:1px solid var(--border);
  background: linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.03));
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
}

.brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-weight: 750;
  letter-spacing:.2px;
}

.dot{
  width:10px;
  height:10px;
  border-radius:999px;
  background: var(--primary);
  box-shadow: 0 0 0 6px rgba(124,58,237,.16);
}

.nav a{
  display:inline-block;
  padding:8px 10px;
  border-radius: 10px;
  color: var(--muted);
}
.nav a:hover{
  background: rgba(255,255,255,.06);
  color: var(--text);
  text-decoration:none;
}

/* =========================
   Cards / sections
========================= */
.card{
  margin-top:18px;
  padding:18px;
  border:1px solid var(--border);
  background: linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.03));
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
}

.card.header h1{
  margin:0 0 10px;
  font-size: clamp(26px, 2.2vw, 36px);
  letter-spacing:-.02em;
}

h2{
  margin: 22px 0 10px;
  font-size: 20px;
  color: var(--text);
}

/* =========================
   Alerts
========================= */
.alert{
  margin: 10px 0 14px;
  padding: 12px 12px;
  border-radius: 12px;
  border: 1px solid rgba(34,197,94,.35);
  background: rgba(34,197,94,.12);
  color: rgba(255,255,255,.92);
}
.alert.danger{
  border-color: rgba(239,68,68,.45);
  background: rgba(239,68,68,.12);
}
.alert.warn{
  border-color: rgba(245,158,11,.45);
  background: rgba(245,158,11,.12);
}

/* =========================
   Forms
========================= */
form{ display:grid; gap:14px; }
label{
  display:block;
  font-size: 13px;
  color: var(--muted);
  margin: 0 0 6px;
}
.helper{
  font-size: 12px;
  color: var(--muted2);
  margin-top:6px;
}

input[type="text"],
input[type="password"],
textarea{
  width:100%;
  padding: 12px 12px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,.16);
  background: rgba(0,0,0,.25);
  color: var(--text);
  outline:none;
}
textarea{
  min-height: 110px;
  resize: vertical;
}
input:focus, textarea:focus{
  border-color: rgba(124,58,237,.55);
  box-shadow: 0 0 0 4px rgba(124,58,237,.18);
}

.file input[type="file"]{
  width:100%;
  padding: 12px;
  border-radius: 12px;
  border: 1px dashed rgba(255,255,255,.22);
  background: rgba(0,0,0,.18);
  color: var(--muted);
}

/* =========================
   Buttons
========================= */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.06);
  color: var(--text);
  cursor:pointer;
  font-weight: 650;
}
.btn:hover{ background: rgba(255,255,255,.09); }
.btn.primary{
  border-color: rgba(124,58,237,.45);
  background: linear-gradient(135deg, rgba(124,58,237,.95), rgba(59,130,246,.70));
}
.btn.primary:hover{ filter: brightness(1.05); }
.btn.danger{
  border-color: rgba(239,68,68,.45);
  background: linear-gradient(135deg, rgba(239,68,68,.9), rgba(244,63,94,.55));
}
.btn:active{ transform: translateY(1px); }

/* =========================
   Posts list
========================= */
.posts{
  display:grid;
  gap: 12px;
}
.post{
  border:1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.04);
  border-radius: 14px;
  padding: 14px;
}
.meta{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-bottom: 10px;
}
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size: 12px;
  color: var(--muted);
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(0,0,0,.22);
}
.content{
  color: rgba(255,255,255,.9);
  line-height: 1.55;
  white-space: normal;
  word-break: break-word;
}
.post img{
  display:block;
  max-width: min(520px, 100%);
  margin-top: 10px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,.12);
}

/* =========================
   Login / Flag special blocks
========================= */
.center{
  min-height: calc(100vh - 80px);
  display:grid;
  place-items:center;
}
.auth-card{
  width: min(520px, 100%);
}
.kicker{
  display:inline-flex;
  gap:8px;
  align-items:center;
  font-size: 12px;
  color: var(--muted);
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(0,0,0,.2);
  margin-bottom: 10px;
}
.flag-box{
  padding: 14px;
  border-radius: 14px;
  border: 1px solid rgba(34,197,94,.35);
  background: rgba(34,197,94,.10);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono","Courier New", monospace;
  overflow:auto;
}

/* Footer */
.footer{
  margin-top: 18px;
  color: var(--muted2);
  font-size: 12px;
  text-align:center;
}

/* Responsive */
@media (max-width: 560px){
  .nav{ flex-direction: column; align-items:flex-start; }
}