/* ===========================================================
   TOKENS
=========================================================== */
:root{
  --bg-deep: #0a0c12;
  --c-blue: #5b8def;
  --c-violet: #b15bef;
  --c-mint: #4fe3c1;
  --c-pink: #ef5b9c;

  --text-primary: #f3f5fa;
  --text-secondary: #a4abc0;
  --text-tertiary: #6c7388;

  --glass-fill: rgba(255,255,255,0.07);
  --glass-fill-strong: rgba(255,255,255,0.12);
  --glass-border: rgba(255,255,255,0.16);
  --glass-highlight: rgba(255,255,255,0.55);

  --radius-lg: 28px;
  --radius-md: 20px;
  --radius-sm: 14px;

  --font-display: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;
}

*{ box-sizing: border-box; }
html,body{ margin:0; padding:0; }

body{
  background: var(--bg-deep);
  color: var(--text-primary);
  font-family: var(--font-body);
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a{ color: inherit; text-decoration: none; }
button{ font-family: inherit; }
.hidden{ display: none !important; }

/* ===========================================================
   LIQUID BACKGROUND
=========================================================== */
.liquid-bg{
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  background: var(--bg-deep);
}

.blob{
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.55;
  will-change: transform;
}

.blob-1{ width: 50vw; height: 50vw; top: -10%; left: -10%; background: var(--c-blue); animation: drift1 26s ease-in-out infinite; }
.blob-2{ width: 45vw; height: 45vw; top: 30%; right: -15%; background: var(--c-violet); animation: drift2 32s ease-in-out infinite; }
.blob-3{ width: 38vw; height: 38vw; bottom: -10%; left: 15%; background: var(--c-mint); animation: drift3 28s ease-in-out infinite; }
.blob-4{ width: 30vw; height: 30vw; bottom: 5%; right: 20%; background: var(--c-pink); animation: drift1 22s ease-in-out infinite reverse; opacity: 0.4; }

@keyframes drift1{
  0%,100%{ transform: translate(0,0) scale(1); }
  50%{ transform: translate(6vw, 8vh) scale(1.1); }
}
@keyframes drift2{
  0%,100%{ transform: translate(0,0) scale(1); }
  50%{ transform: translate(-8vw, 6vh) scale(0.92); }
}
@keyframes drift3{
  0%,100%{ transform: translate(0,0) scale(1); }
  50%{ transform: translate(5vw, -7vh) scale(1.08); }
}

.grain{
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 50%, transparent 0%, rgba(0,0,0,0.35) 100%);
}

@media (prefers-reduced-motion: reduce){
  .blob{ animation: none !important; }
}

/* ===========================================================
   GLASS PANEL BASE
=========================================================== */
.glass-panel{
  background: var(--glass-fill);
  backdrop-filter: blur(28px) saturate(180%);
  -webkit-backdrop-filter: blur(28px) saturate(180%);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.25),
    inset 0 0 40px rgba(255,255,255,0.03),
    0 20px 50px rgba(0,0,0,0.35);
  position: relative;
}

/* sapuan highlight spekular ala Liquid Glass */
.glass-panel::before{
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(120deg, rgba(255,255,255,0.18) 0%, rgba(255,255,255,0) 35%);
  pointer-events: none;
}

/* ===========================================================
   TOPBAR
=========================================================== */
.topbar{
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px clamp(20px, 5vw, 64px);
  position: sticky;
  top: 0;
  z-index: 50;
}

.brand{
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
}

.brand-mark{
  width: 14px; height: 14px;
  border-radius: 5px;
  background: linear-gradient(135deg, var(--c-blue), var(--c-violet));
  box-shadow: 0 0 14px rgba(91,141,239,0.6);
}

.brand-text strong{ font-weight: 800; }

.topbar-actions{
  display: flex;
  align-items: center;
  gap: 12px;
}

.admin-badge{
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(79, 227, 193, 0.15);
  border: 1px solid rgba(79, 227, 193, 0.4);
  color: var(--c-mint);
}

/* ===========================================================
   BUTTONS
=========================================================== */
.btn{
  border: none;
  cursor: pointer;
  border-radius: 999px;
  padding: 11px 22px;
  font-size: 0.88rem;
  font-weight: 600;
  font-family: var(--font-display);
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}
.btn:active{ transform: scale(0.96); }

.btn-glass{
  background: var(--glass-fill);
  backdrop-filter: blur(20px) saturate(160%);
  -webkit-backdrop-filter: blur(20px) saturate(160%);
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
}
.btn-glass:hover{ background: var(--glass-fill-strong); }

.btn-primary{
  background: linear-gradient(135deg, var(--c-blue), var(--c-violet));
  color: white;
  box-shadow: 0 8px 24px rgba(91,141,239,0.35);
}
.btn-primary:hover{ box-shadow: 0 10px 30px rgba(91,141,239,0.5); }

.btn-danger{
  background: rgba(239,91,91,0.15);
  border: 1px solid rgba(239,91,91,0.4);
  color: #ff8585;
}
.btn-danger:hover{ background: rgba(239,91,91,0.25); }

.btn-back{ margin-bottom: 28px; }

/* ===========================================================
   LAYOUT / VIEWS
=========================================================== */
main{
  max-width: 1180px;
  margin: 0 auto;
  padding: 20px clamp(20px, 5vw, 64px) 80px;
}

.hero{
  padding: clamp(40px, 8vw, 90px) 0 50px;
}

.eyebrow{
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--c-mint);
  margin: 0 0 14px;
}

.hero h1{
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 6vw, 4.2rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.04;
  margin: 0 0 18px;
}

.hero-sub{
  color: var(--text-secondary);
  font-size: 1.05rem;
  max-width: 520px;
  line-height: 1.6;
  margin: 0;
}

.section-head{
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 22px;
}
.section-head h2{
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin: 0;
}

/* ===========================================================
   FOLDERS GRID
=========================================================== */
.folders-grid{
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 22px;
}

.folder-card{
  border-radius: var(--radius-lg);
  padding: 0;
  overflow: hidden;
  cursor: pointer;
  transition: transform 0.35s cubic-bezier(.2,.8,.2,1), box-shadow 0.35s ease;
}
.folder-card:hover{
  transform: translateY(-6px);
  box-shadow: 0 30px 60px rgba(0,0,0,0.45);
}

.folder-cover{
  height: 170px;
  background-size: cover;
  background-position: center;
  background-color: rgba(255,255,255,0.04);
  position: relative;
}
.folder-cover.no-image{
  background: linear-gradient(135deg, rgba(91,141,239,0.25), rgba(177,91,239,0.2));
}
.folder-cover::after{
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0) 40%, rgba(0,0,0,0.55) 100%);
}

.folder-body{
  padding: 18px 20px 20px;
}

.folder-body h3{
  margin: 0 0 6px;
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.folder-meta{
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--text-tertiary);
  letter-spacing: 0.02em;
}

.empty-state{
  color: var(--text-tertiary);
  font-size: 0.95rem;
  padding: 40px 0;
  text-align: center;
}

/* ===========================================================
   PROJECT DETAIL
=========================================================== */
.project-head{
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  margin-bottom: 36px;
}
.project-head h1{
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  margin: 0 0 10px;
  font-weight: 800;
  letter-spacing: -0.02em;
}
.project-actions{
  display: flex;
  gap: 10px;
  flex-shrink: 0;
}

.designs-grid{
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 22px;
}

.design-card{
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: pointer;
  transition: transform 0.3s ease;
}
.design-card:hover{ transform: translateY(-4px); }

.design-card img{
  width: 100%;
  display: block;
  aspect-ratio: 4/3;
  object-fit: cover;
}

.design-caption{
  padding: 14px 16px 16px;
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ===========================================================
   MODALS
=========================================================== */
.modal-overlay{
  position: fixed;
  inset: 0;
  z-index: 100;
  background: rgba(5,6,10,0.55);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal{
  width: 100%;
  max-width: 440px;
  padding: 30px 28px;
}

.modal h3{
  margin: 0 0 8px;
  font-size: 1.25rem;
  font-weight: 700;
}

.modal-sub{
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin: 0 0 20px;
}

.modal input[type="text"],
.modal input[type="password"],
.modal textarea{
  width: 100%;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  padding: 13px 15px;
  color: var(--text-primary);
  font-size: 0.95rem;
  font-family: var(--font-body);
  margin-bottom: 14px;
  resize: vertical;
}
.modal input::placeholder, .modal textarea::placeholder{ color: var(--text-tertiary); }
.modal input:focus, .modal textarea:focus{
  outline: none;
  border-color: var(--c-blue);
  box-shadow: 0 0 0 3px rgba(91,141,239,0.25);
}

.modal-actions{
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 6px;
}

.error-text{
  color: #ff8585;
  font-size: 0.85rem;
  margin: -4px 0 12px;
}

.file-drop{
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  min-height: 140px;
  border: 1.5px dashed var(--glass-border);
  border-radius: var(--radius-sm);
  margin-bottom: 14px;
  cursor: pointer;
  color: var(--text-tertiary);
  font-size: 0.88rem;
  padding: 14px;
  position: relative;
  overflow: hidden;
}
.file-drop input{ display: none; }
.file-drop img{
  max-width: 100%;
  max-height: 220px;
  border-radius: 10px;
  object-fit: cover;
}

/* ===========================================================
   LIGHTBOX
=========================================================== */
.lightbox-overlay{
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(4,5,8,0.85);
  backdrop-filter: blur(10px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
}

.lightbox-content{
  max-width: 920px;
  max-height: 88vh;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.lightbox-content img{
  max-width: 100%;
  max-height: 72vh;
  border-radius: var(--radius-md);
  box-shadow: 0 30px 70px rgba(0,0,0,0.6);
  object-fit: contain;
}

.lightbox-content p{
  color: var(--text-secondary);
  margin-top: 18px;
  text-align: center;
  max-width: 600px;
  line-height: 1.6;
}

.lightbox-close, .lightbox-delete{
  position: absolute;
  background: var(--glass-fill);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
  border-radius: 999px;
  cursor: pointer;
  font-family: var(--font-body);
}

.lightbox-close{
  top: 24px; right: 24px;
  width: 42px; height: 42px;
  font-size: 1rem;
}

.lightbox-delete{
  top: 24px; left: 24px;
  padding: 10px 18px;
  font-size: 0.85rem;
  color: #ff8585;
  border-color: rgba(239,91,91,0.4);
}

/* ===========================================================
   TOAST
=========================================================== */
.toast{
  position: fixed;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(20,22,30,0.9);
  backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
  padding: 12px 22px;
  border-radius: 999px;
  font-size: 0.88rem;
  z-index: 300;
  box-shadow: 0 12px 30px rgba(0,0,0,0.4);
}

/* ===========================================================
   FOOTER
=========================================================== */
.site-footer{
  text-align: center;
  color: var(--text-tertiary);
  font-size: 0.8rem;
  padding: 30px 0 50px;
}

/* ===========================================================
   RESPONSIVE
=========================================================== */
@media (max-width: 560px){
  .topbar{ padding: 16px 18px; }
  main{ padding: 16px 18px 60px; }
  .project-head{ flex-direction: column; }
}