@charset "UTF-8";
@import "./reset.css";

:root{
  --bg-1: #05070c;
  --bg-2: #0a1020;
  --bg-3: #10182c;

  --white: #ffffff;
  --title: #f8fbff;
  --text: #d8deea;
  --muted: #95a1b8;

  --primary: #4f7cff;
  --primary-2: #7a5cff;
  --accent: #19d3df;
  --danger: #ff7c8f;

  --card-bg: rgba(8, 12, 22, 0.74);
  --card-bg-strong: rgba(10, 15, 27, 0.92);
  --card-border: rgba(255,255,255,0.08);
  --card-border-strong: rgba(96, 124, 255, 0.28);

  --overlay-bg: rgba(0,0,0,.72);

  --shadow-sm: 0 8px 20px rgba(0,0,0,0.24);
  --shadow-md: 0 18px 40px rgba(0,0,0,0.36);
  --shadow-lg: 0 28px 70px rgba(0,0,0,0.56);
  --glow: 0 0 40px rgba(79,124,255,0.16);

  --space-1: clamp(6px, 0.7vw, 8px);
  --space-2: clamp(10px, 1.2vw, 12px);
  --space-3: clamp(14px, 1.6vw, 16px);
  --space-4: clamp(18px, 2.2vw, 22px);
  --space-5: clamp(22px, 2.8vw, 28px);

  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;

  --safe-top: env(safe-area-inset-top, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  --vh: 1vh;
}

/* ================================
   Base / A11y
================================== */
*{ box-sizing:border-box; }
html, body{ width:100%; min-height:100%; }
body{
  margin:0;
  color:var(--text);
  background:#05060a;
  font-family:"Pretendard","Noto Sans KR",sans-serif;
}
img{ max-width:100%; height:auto; display:block; }
button, .btn{ touch-action:manipulation; cursor:pointer; }
input, button{ font:inherit; }
a{ color:inherit; text-decoration:none; }

:focus-visible{
  outline:2px solid #88a8ff;
  outline-offset:2px;
}

@media (prefers-reduced-motion: reduce){
  *{
    animation:none !important;
    transition:none !important;
    scroll-behavior:auto !important;
  }
}

.visually-hidden{
  position:absolute !important;
  width:1px; height:1px;
  padding:0; margin:-1px;
  overflow:hidden; clip:rect(0 0 0 0);
  white-space:nowrap; border:0;
}

/* ================================
   Background
================================== */
.login-background-container{
  position:relative;
  min-height: calc(var(--vh) * 100);
  padding:
    max(18px, var(--safe-top))
    18px
    max(18px, calc(var(--safe-bottom) + 18px));
  display:flex;
  align-items:center;
  justify-content:center;
  overflow:hidden;

  background:
    linear-gradient(135deg, rgba(4,8,18,.86), rgba(8,14,32,.72)),
    radial-gradient(circle at 20% 20%, rgba(79,124,255,.16), transparent 34%),
    radial-gradient(circle at 80% 18%, rgba(25,211,223,.10), transparent 28%),
    radial-gradient(circle at 50% 100%, rgba(122,92,255,.14), transparent 34%),
    #070a12 center/cover no-repeat;
  background-size:cover;
  background-position:center;
}

.login-background-container::before{
  content:"";
  position:absolute;
  inset:0;
  background:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size:34px 34px;
  mask-image: linear-gradient(to bottom, rgba(0,0,0,.75), transparent 85%);
  pointer-events:none;
}

.login-background-container::after{
  content:"";
  position:absolute;
  left:-120px;
  bottom:-140px;
  width:420px;
  height:420px;
  border-radius:50%;
  background: radial-gradient(circle, rgba(79,124,255,.24), transparent 68%);
  filter: blur(12px);
  pointer-events:none;
}

/* ================================
   Login Card
================================== */
.login-container{
  position:relative;
  z-index:1;
  width:100%;
  max-width:min(460px, 94vw);
}

.login-container::before{
  content:"";
  position:absolute;
  top:-60px;
  right:-40px;
  width:180px;
  height:180px;
  border-radius:50%;
  background: radial-gradient(circle, rgba(25,211,223,.18), transparent 70%);
  filter: blur(8px);
  z-index:0;
  pointer-events:none;
}

.login-container::after{
  content:"";
  position:absolute;
  left:-50px;
  bottom:-40px;
  width:160px;
  height:160px;
  border-radius:50%;
  background: radial-gradient(circle, rgba(122,92,255,.16), transparent 70%);
  filter: blur(10px);
  z-index:0;
  pointer-events:none;
}

.login-form{
  position:relative;
  z-index:1;
  display:flex;
  flex-direction:column;
  overflow:hidden;
  border-radius:var(--radius-lg);
  background:
    linear-gradient(180deg, rgba(255,255,255,0.07), rgba(255,255,255,0.015)),
    var(--card-bg);
  border:1px solid var(--card-border);
  backdrop-filter: blur(16px) saturate(135%);
  -webkit-backdrop-filter: blur(16px) saturate(135%);
  box-shadow: var(--shadow-lg), var(--glow);
}

.login-form::before{
  content:"";
  position:absolute;
  inset:0;
  padding:1px;
  border-radius:inherit;
  background: linear-gradient(
    135deg,
    rgba(255,255,255,.18),
    rgba(255,255,255,.03) 34%,
    rgba(79,124,255,.30) 70%,
    rgba(25,211,223,.16)
  );
  -webkit-mask:
    linear-gradient(#fff 0 0) content-box,
    linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
          mask-composite: exclude;
  pointer-events:none;
}

.login-box{
  position:relative;
  padding: clamp(26px, 5vw, 34px) clamp(18px, 4.5vw, 30px) 18px;
}

/* ================================
   Text Logo
================================== */
.logo-text-wrap{
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  margin-bottom:18px;
  text-align:center;
}

.logo-main{
  font-size: clamp(34px, 7vw, 52px);
  font-weight: 900;
  line-height: 1;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #ffffff;
  text-shadow:
    0 0 14px rgba(255,255,255,0.08),
    0 0 26px rgba(79,124,255,0.18);
}

.logo-sub{
  margin-top: 10px;
  font-size: clamp(11px, 2.2vw, 13px);
  font-weight: 600;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: #aeb8cc;
}

/* ================================
   Title / Desc
================================== */
.login-title{
  margin:0 0 8px;
  font-size: clamp(22px, 4vw, 28px);
  font-weight:900;
  letter-spacing:.04em;
  text-align:center;
  color:var(--title);
  text-shadow: 0 4px 16px rgba(79,124,255,.18);
}

.login-desc{
  margin:0 0 22px;
  font-size: clamp(12px, 2.6vw, 14px);
  color:var(--muted);
  text-align:center;
  line-height:1.6;
}

/* ================================
   Inputs
================================== */
.input-field{
  width:100%;
  display:block;
  height:54px;
  margin-bottom:12px;
  padding:0 16px;
  border-radius:14px;
  border:1px solid rgba(255,255,255,0.08);
  background:
    linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,.01)),
    rgba(8, 12, 21, 0.88);
  color:#f4f7ff;
  font-size:15px;
  font-weight:500;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.03);
  transition:
    border-color .18s ease,
    box-shadow .18s ease,
    transform .18s ease,
    background .18s ease;
}

.input-field::placeholder{
  color:#8390a6;
  letter-spacing:.02em;
}

.input-field:hover{
  border-color: rgba(255,255,255,.14);
}

.input-field:focus{
  outline:none;
  border-color: rgba(100,149,255,.62);
  box-shadow:
    0 0 0 4px rgba(79,124,255,.14),
    0 8px 20px rgba(0,0,0,.22);
  background: rgba(10, 16, 28, 0.94);
  transform: translateY(-1px);
}

/* ================================
   Turnstile
================================== */
.turnstile-wrap{
  margin-top:14px !important;
  padding:12px;
  border-radius:14px;
  background: rgba(255,255,255,0.03);
  border:1px solid rgba(255,255,255,0.06);
}

.text-danger{
  margin-top:8px;
  color:var(--danger);
  font-size:13px;
}

/* ================================
   Footer Buttons
================================== */
.btn-footer{
  display:flex;
  gap:12px;
  padding:16px 18px 18px;
  border-top:1px solid rgba(255,255,255,0.06);
  background:
    linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0)),
    linear-gradient(180deg, rgba(10,13,22,0.35), rgba(10,13,22,0.78));
}

.btn{
  position:relative;
  flex:1 1 auto;
  height:52px;
  border-radius:14px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:15px;
  font-weight:800;
  letter-spacing:.02em;
  line-height:normal;
  overflow:hidden;
  transition:
    transform .18s ease,
    box-shadow .18s ease,
    filter .18s ease;
}

.btn::before{
  content:"";
  position:absolute;
  inset:0;
  background: linear-gradient(120deg, transparent 30%, rgba(255,255,255,.14), transparent 70%);
  transform: translateX(-130%);
  transition: transform .55s ease;
}

.btn:hover::before{
  transform: translateX(130%);
}

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

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

.login-btn{
  color:#fff;
  border:1px solid rgba(120,152,255,.42);
  background:
    linear-gradient(135deg, #3d6fff, #6e57ff 62%, #16cad5);
  box-shadow:
    0 12px 28px rgba(79,124,255,.28),
    inset 0 1px 0 rgba(255,255,255,.22);
}

.login-btn:hover{
  filter: brightness(1.06);
}

.signup-btn{
  color:#eef3ff;
  border:1px solid rgba(255,255,255,.10);
  background:
    linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.01)),
    rgba(18,24,37,.95);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.05);
}

.signup-btn:hover{
  border-color: rgba(255,255,255,.18);
  background:
    linear-gradient(180deg, rgba(255,255,255,.07), rgba(255,255,255,.02)),
    rgba(22,28,44,.98);
}

/* ================================
   Popup Notice
================================== */
.notice-overlay{
  position:fixed;
  inset:0;
  display:flex;
  align-items:center;
  justify-content:center;
  padding:28px 20px calc(28px + var(--safe-bottom));
  background:
    radial-gradient(circle at top, rgba(79,124,255,.18), transparent 30%),
    rgba(3,6,12,.78);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  z-index:9999;
}

.notice-wrap{
  width:100%;
  max-width:min(1180px, 94vw);
  display:grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 520px));
  justify-content:center;
  gap:18px;
}

.notice-card{
  position:relative;
  overflow:hidden;
  border-radius:20px;
  border:1px solid rgba(255,255,255,0.09);
  background:
    linear-gradient(180deg, rgba(255,255,255,0.05), rgba(255,255,255,0.015)),
    rgba(10,14,22,0.92);
  color:var(--text);
  box-shadow: 0 18px 48px rgba(0,0,0,.42);
}

.notice-card::before{
  content:"";
  position:absolute;
  inset:0 0 auto 0;
  height:3px;
  background: linear-gradient(90deg, var(--primary), var(--primary-2), var(--accent));
}

.notice-header{
  position:relative;
  padding:24px 52px 16px 24px;
}

.notice-title{
  margin:0;
  font-size: clamp(18px, 2.6vw, 22px);
  font-weight:800;
  line-height:1.4;
  color:var(--title);
}

.notice-close{
  position:absolute;
  top:12px;
  right:12px;
  width:36px;
  height:36px;
  border-radius:10px;
  border:0;
  background: rgba(255,255,255,0.04);
  color:#dbe3f5;
  font-size:22px;
  line-height:1;
  display:flex;
  align-items:center;
  justify-content:center;
  transition: background .18s ease, transform .18s ease;
}

.notice-close:hover{
  background: rgba(255,255,255,0.10);
  transform: rotate(90deg);
}

.notice-body{
  padding: 0 24px 24px;
  color:#d5dbea;
  font-size:14px;
  line-height:1.8;
  text-align:center;
  white-space:pre-line;
  word-break:keep-all;
}

.notice-footer{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:14px 18px 16px;
  border-top:1px solid rgba(255,255,255,0.06);
  background: rgba(255,255,255,0.02);
}

.notice-today{
  display:flex;
  align-items:center;
  gap:8px;
  color:#dce6ff;
  font-size:13px;
  user-select:none;
  cursor:pointer;
}

.notice-today input{
  accent-color: var(--primary);
}

.notice-btn-close{
  min-width:92px;
  height:40px;
  padding:0 14px;
  border-radius:10px;
  color:#fff;
  font-weight:700;
  text-transform:uppercase;
  letter-spacing:.04em;
  border:1px solid rgba(113,138,255,.36);
  background: linear-gradient(135deg, rgba(79,124,255,.95), rgba(106,82,255,.92));
  box-shadow: 0 10px 20px rgba(79,124,255,.18);
}

.notice-btn-close:hover{
  filter: brightness(1.08);
}

.notice-hidden{
  display:none !important;
}

/* ================================
   Responsive
================================== */
@media (max-width: 768px){
  .login-container{
    max-width:min(430px, 95vw);
  }

  .login-form{
    border-radius:20px;
  }

  .btn-footer{
    padding:14px 14px 16px;
  }

  .btn{
    height:50px;
  }
}

@media (max-width: 520px){
  .login-background-container{
    padding-left:14px;
    padding-right:14px;
  }

  .login-box{
    padding:22px 16px 14px;
  }

  .logo-text-wrap{
    margin-bottom:16px;
  }

  .logo-main{
    font-size: clamp(30px, 10vw, 42px);
    letter-spacing: 0.14em;
  }

  .logo-sub{
    letter-spacing: 0.18em;
    font-size: 11px;
  }

  .login-title{
    font-size:22px;
  }

  .login-desc{
    margin-bottom:18px;
  }

  .input-field{
    height:50px;
    border-radius:12px;
    font-size:14px;
  }

  .btn-footer{
    flex-direction:column;
  }

  .notice-overlay{
    padding:16px 12px calc(16px + var(--safe-bottom));
  }

  .notice-wrap{
    grid-template-columns:1fr;
  }

  .notice-card{
    border-radius:16px;
  }

  .notice-header{
    padding:22px 48px 14px 18px;
  }

  .notice-body{
    padding:0 18px 18px;
  }

  .notice-footer{
    flex-wrap:wrap;
    padding:12px 14px 14px;
  }

  .notice-btn-close{
    width:100%;
  }
}

@media (max-width: 360px){
  .login-box{
    padding:18px 14px 12px;
  }

  .btn{
    font-size:14px;
  }

  .logo-main{
    letter-spacing: 0.10em;
  }

  .logo-sub{
    letter-spacing: 0.12em;
  }
}

@media (min-width: 1280px){
  .login-container{
    max-width:490px;
  }
}