*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:'DM Sans',sans-serif;
  font-size:16px;line-height:1.6;
  color:var(--text-secondary);
  background:var(--bg-primary);
  min-height:100vh;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
button{font:inherit;border:none;outline:none;background:none;cursor:pointer;color:inherit}
input,textarea{font:inherit;color:inherit;background:transparent;border:none;outline:none;width:100%}

:root{
  --bg-primary:#050510;
  --bg-secondary:#0a0a1a;
  --bg-card:#0e0e20;
  --bg-card-hover:#141430;
  --bg-input:#0a0a1f;
  --accent:#0014FF;
  --accent-bright:#2040FF;
  --accent-mid:#1a30ff;
  --accent-glow:rgba(0,20,255,0.18);
  --accent-glow-strong:rgba(0,20,255,0.35);
  --gradient-primary:linear-gradient(135deg,#0014FF 0%,#003AFF 50%,#0060FF 100%);
  --gradient-hero:radial-gradient(circle at 30% 0%, rgba(0,20,255,0.18) 0%, transparent 50%);
  --text-primary:#f0f0f8;
  --text-secondary:#c0c0d4;
  --text-muted:#8888a0;
  --text-faint:#5a5a72;
  --border:rgba(255,255,255,0.07);
  --border-strong:rgba(255,255,255,0.12);
  --border-hover:rgba(0,20,255,0.45);
  --success:#25D366;
  --warning:#FF9500;
  --danger:#FF3B5C;
  --radius:14px;
  --radius-lg:20px;
  --focus-ring:0 0 0 3px rgba(0,20,255,0.45);
}

*:focus-visible{outline:none;box-shadow:var(--focus-ring)}

.bg-gradient{
  position:fixed;inset:0;z-index:-1;pointer-events:none;
  background:var(--gradient-hero);
}
.bg-grid{
  position:fixed;inset:0;z-index:-1;pointer-events:none;
  background-image:
    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:64px 64px;
  mask-image:radial-gradient(ellipse 70% 50% at 50% 0%, black 30%, transparent 80%);
  -webkit-mask-image:radial-gradient(ellipse 70% 50% at 50% 0%, black 30%, transparent 80%);
}

/* HEADER */
.app-header{
  position:sticky;top:0;z-index:50;
  background:rgba(5,5,16,0.78);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid var(--border);
}
.app-header__inner{
  max-width:1280px;margin:0 auto;padding:18px 28px;
  display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.brand{
  display:flex;align-items:center;gap:12px;
  font-family:'Montserrat',sans-serif;
  font-weight:900;font-size:17px;
  color:var(--text-primary);
  letter-spacing:0.3px;
}
.brand__mark{
  width:32px;height:32px;border-radius:9px;
  background:var(--gradient-primary);
  display:grid;place-items:center;
  font-size:14px;color:#fff;
  box-shadow:0 8px 24px var(--accent-glow);
}
.brand__sub{color:var(--accent-bright);font-weight:600;font-size:13px;letter-spacing:0.5px}
.app-header__right{display:flex;align-items:center;gap:14px}
.logout-btn{
  font-size:13px;color:var(--text-muted);
  padding:8px 14px;border-radius:999px;
  border:1px solid var(--border);
  transition:all .2s;
}
.logout-btn:hover{color:var(--text-primary);border-color:var(--border-strong)}

/* PAGE */
.page{max-width:1280px;margin:0 auto;padding:56px 28px 120px}
.page-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  flex-wrap:wrap;margin-bottom:44px;
}
.page-head__title{
  font-family:'Montserrat',sans-serif;
  font-size:clamp(32px,4vw,44px);
  font-weight:800;line-height:1.1;
  color:var(--text-primary);
  letter-spacing:-0.02em;
  margin-bottom:10px;
}
.page-head__title em{
  font-style:normal;
  background:var(--gradient-primary);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;
}
.page-head__sub{color:var(--text-muted);font-size:16px;max-width:560px}
.crumb{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;color:var(--text-muted);
  margin-bottom:14px;
  font-family:'Montserrat',sans-serif;
  font-weight:600;letter-spacing:1.5px;
  text-transform:uppercase;
}
.crumb a{color:var(--accent-bright);transition:color .2s}
.crumb a:hover{color:var(--text-primary)}
.crumb svg{width:11px;height:11px;opacity:.6}

/* BUTTON */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 22px;
  border-radius:12px;
  font-family:'Montserrat',sans-serif;
  font-weight:700;font-size:14px;letter-spacing:0.3px;
  cursor:pointer;
  transition:all .25s cubic-bezier(0.4, 0, 0.2, 1);
  white-space:nowrap;
}
.btn--primary{
  background:var(--gradient-primary);
  color:#fff;
  box-shadow:0 6px 24px var(--accent-glow-strong);
}
.btn--primary:hover{transform:translateY(-1px);box-shadow:0 10px 32px var(--accent-glow-strong)}
.btn--primary:active{transform:translateY(0)}
.btn--ghost{
  background:transparent;border:1px solid var(--border-strong);
  color:var(--text-primary);
}
.btn--ghost:hover{background:var(--bg-card);border-color:var(--border-hover)}
.btn svg{width:16px;height:16px}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}

/* GRID */
.grid{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(280px,1fr));
  gap:18px;
}

/* CARD */
.card{
  position:relative;
  background:var(--bg-card);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  padding:24px;
  transition:all .3s cubic-bezier(0.4, 0, 0.2, 1);
  overflow:hidden;
}
.card::before{
  content:'';position:absolute;inset:0;
  background:linear-gradient(135deg, var(--accent-glow) 0%, transparent 40%);
  opacity:0;transition:opacity .3s;pointer-events:none;
}
.card:hover{
  background:var(--bg-card-hover);
  border-color:var(--border-hover);
  transform:translateY(-3px);
  box-shadow:0 12px 32px rgba(0,0,0,0.5), 0 0 0 1px var(--accent-glow);
}
.card:hover::before{opacity:1}
.card__head{
  display:flex;align-items:flex-start;justify-content:space-between;gap:12px;
  margin-bottom:18px;
}
.card__icon{
  width:46px;height:46px;border-radius:12px;
  background:linear-gradient(135deg, var(--accent-glow) 0%, transparent 100%);
  border:1px solid var(--border-hover);
  display:grid;place-items:center;
  color:var(--accent-bright);
  flex-shrink:0;
}
.card__icon svg{width:22px;height:22px}
.card__badge{
  font-family:'Montserrat',sans-serif;
  font-size:11px;font-weight:700;letter-spacing:1px;
  text-transform:uppercase;
  padding:5px 10px;border-radius:999px;
  background:var(--bg-input);
  color:var(--text-muted);
  border:1px solid var(--border);
}
.card__title{
  font-family:'Montserrat',sans-serif;
  font-size:19px;font-weight:700;
  color:var(--text-primary);
  margin-bottom:6px;
  word-break:break-word;
}
.card__meta{
  font-size:13px;color:var(--text-muted);
  margin-bottom:18px;
}
.card__foot{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding-top:16px;
  border-top:1px solid var(--border);
  font-size:13px;
}
.card__link{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--accent-bright);font-weight:600;
  transition:gap .2s;
}
.card__link:hover{gap:10px}
.card__link svg{width:14px;height:14px}
.card__aside{color:var(--text-faint);font-size:12px}

/* ADD CARD */
.card--add{
  background:transparent;
  border:2px dashed var(--border-strong);
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  text-align:center;
  min-height:220px;
  cursor:pointer;
}
.card--add:hover{
  background:var(--bg-card);
  border-color:var(--accent-bright);
  border-style:solid;
  transform:translateY(-3px);
}
.card--add .card__icon{
  background:var(--accent-glow);
  border-color:var(--accent-bright);
}
.card--add__label{
  font-family:'Montserrat',sans-serif;
  font-weight:700;font-size:15px;
  color:var(--text-primary);
  margin-top:14px;
}
.card--add__hint{font-size:12px;color:var(--text-muted);margin-top:4px}

/* EMPTY STATE */
.empty{
  text-align:center;padding:80px 20px;
  border:1px dashed var(--border-strong);
  border-radius:var(--radius-lg);
  background:var(--bg-card);
}
.empty__icon{
  width:64px;height:64px;border-radius:18px;
  background:var(--accent-glow);
  display:grid;place-items:center;
  color:var(--accent-bright);
  margin:0 auto 20px;
}
.empty__icon svg{width:30px;height:30px}
.empty__title{
  font-family:'Montserrat',sans-serif;
  font-size:22px;font-weight:700;
  color:var(--text-primary);
  margin-bottom:8px;
}
.empty__sub{color:var(--text-muted);max-width:380px;margin:0 auto 24px}

/* MODAL */
.modal-backdrop{
  position:fixed;inset:0;z-index:100;
  background:rgba(2,2,8,0.7);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  display:none;align-items:center;justify-content:center;
  padding:24px;
  opacity:0;transition:opacity .25s;
}
.modal-backdrop.open{display:flex;opacity:1}
.modal{
  width:100%;max-width:520px;
  background:linear-gradient(180deg, var(--bg-card) 0%, var(--bg-secondary) 100%);
  border:1px solid var(--border-strong);
  border-radius:var(--radius-lg);
  padding:32px;
  box-shadow:0 30px 80px rgba(0,0,0,0.6), 0 0 0 1px var(--accent-glow);
  transform:translateY(20px) scale(0.97);
  transition:transform .3s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.modal-backdrop.open .modal{transform:translateY(0) scale(1)}
.modal__head{
  display:flex;align-items:center;justify-content:space-between;
  margin-bottom:24px;
}
.modal__title{
  font-family:'Montserrat',sans-serif;
  font-size:22px;font-weight:800;
  color:var(--text-primary);
}
.modal__close{
  width:34px;height:34px;border-radius:10px;
  background:var(--bg-input);
  display:grid;place-items:center;
  color:var(--text-muted);
  transition:all .2s;
}
.modal__close:hover{color:var(--text-primary);background:var(--bg-card-hover)}
.modal__close svg{width:16px;height:16px}
.modal__foot{
  display:flex;gap:10px;justify-content:flex-end;
  margin-top:28px;
}

/* FORM */
.field{margin-bottom:18px}
.field__label{
  display:block;
  font-family:'Montserrat',sans-serif;
  font-size:12px;font-weight:700;letter-spacing:1px;
  text-transform:uppercase;
  color:var(--text-muted);
  margin-bottom:8px;
}
.field__input{
  display:block;
  padding:13px 16px;
  background:var(--bg-input);
  border:1px solid var(--border-strong);
  border-radius:11px;
  color:var(--text-primary);
  font-size:15px;
  transition:all .2s;
}
.field__input:focus{
  border-color:var(--accent-bright);
  background:var(--bg-card);
  box-shadow:0 0 0 4px var(--accent-glow);
}
.field__input::placeholder{color:var(--text-faint)}
.field__hint{
  font-size:12px;color:var(--text-faint);margin-top:6px;
}
.field__hint code{
  background:var(--bg-input);padding:2px 6px;border-radius:4px;
  font-family:'SF Mono','Menlo',monospace;font-size:11px;
  color:var(--accent-bright);
}
.field-row{display:grid;grid-template-columns:1fr 110px;gap:12px}

/* FILE INPUT */
.file-drop{
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  padding:30px 20px;
  border:2px dashed var(--border-strong);
  border-radius:14px;
  background:var(--bg-input);
  text-align:center;
  cursor:pointer;
  transition:all .25s;
  min-height:140px;
}
.file-drop:hover,.file-drop.dragover{
  border-color:var(--accent-bright);
  background:var(--bg-card);
}
.file-drop svg{width:28px;height:28px;color:var(--accent-bright);margin-bottom:10px}
.file-drop__label{
  font-family:'Montserrat',sans-serif;
  font-weight:700;font-size:14px;color:var(--text-primary);
}
.file-drop__hint{font-size:12px;color:var(--text-muted);margin-top:4px}
.file-drop__file{
  font-family:'SF Mono','Menlo',monospace;
  font-size:13px;color:var(--accent-bright);
}
.file-drop input[type=file]{display:none}

/* LOGIN */
.login-screen{
  position:fixed;inset:0;z-index:200;
  display:none;align-items:center;justify-content:center;
  padding:24px;
  background:radial-gradient(ellipse at center, rgba(0,20,255,0.08) 0%, var(--bg-primary) 60%);
}
.login-screen.visible{display:flex}
body.authed .login-screen{display:none}
body:not(.authed) .app-page{display:none}
.login-card{
  width:100%;max-width:420px;
  background:var(--bg-card);
  border:1px solid var(--border-strong);
  border-radius:var(--radius-lg);
  padding:36px;
  box-shadow:0 30px 80px rgba(0,0,0,0.5), 0 0 0 1px var(--accent-glow);
}
.login-card .brand{margin-bottom:24px}
.login-card__title{
  font-family:'Montserrat',sans-serif;
  font-size:24px;font-weight:800;
  color:var(--text-primary);
  margin-bottom:8px;
}
.login-card__sub{color:var(--text-muted);font-size:14px;margin-bottom:26px}

/* TOAST */
.toast-zone{
  position:fixed;bottom:24px;right:24px;z-index:300;
  display:flex;flex-direction:column;gap:10px;
  pointer-events:none;
}
.toast{
  pointer-events:auto;
  background:var(--bg-card);
  border:1px solid var(--border-strong);
  border-left:3px solid var(--accent-bright);
  border-radius:11px;
  padding:14px 18px;
  box-shadow:0 14px 36px rgba(0,0,0,0.4);
  font-size:14px;color:var(--text-primary);
  display:flex;align-items:center;gap:10px;
  max-width:380px;
  animation:toastIn .3s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.toast--success{border-left-color:var(--success)}
.toast--error{border-left-color:var(--danger)}
.toast svg{width:18px;height:18px;flex-shrink:0}
.toast--success svg{color:var(--success)}
.toast--error svg{color:var(--danger)}
@keyframes toastIn{
  from{opacity:0;transform:translateX(40px)}
  to{opacity:1;transform:translateX(0)}
}

/* LOADER */
.loader{
  display:flex;align-items:center;justify-content:center;gap:10px;
  padding:80px 20px;color:var(--text-muted);font-size:14px;
}
.loader::before{
  content:'';width:18px;height:18px;
  border:2px solid var(--border-strong);
  border-top-color:var(--accent-bright);
  border-radius:50%;
  animation:spin .8s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg)}}

.error-box{
  display:none;
  background:rgba(255,59,92,0.08);
  border:1px solid rgba(255,59,92,0.3);
  color:#FF8FA0;
  padding:12px 16px;border-radius:10px;
  font-size:13px;margin-bottom:16px;
}
.error-box.show{display:block}

/* RESPONSIVE */
@media(max-width:640px){
  .page{padding:36px 18px 80px}
  .app-header__inner{padding:14px 18px}
  .modal{padding:24px}
  .field-row{grid-template-columns:1fr}
}