:root{
  --charcoal: #2E2E2E;
  --white: #FFFFFF;
  --line: rgba(255,255,255,0.5);
  --line-faint: rgba(255,255,255,0.22);
  --dim: rgba(255,255,255,0.5);
  --error: #E8998D;
}

*{ box-sizing: border-box; }

html, body{
  margin:0;
  padding:0;
  background: var(--charcoal);
  color: var(--white);
  font-family: 'Inter', sans-serif;
  min-height:100%;
}

body{
  min-height:100vh;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  position:relative;
}

a{ color: inherit; }

/* ---- registration marks, echoing the two small brackets on the logo ---- */
.reg-mark{
  position:fixed;
  width: 22px;
  height: 22px;
  border: 1px solid var(--line-faint);
  z-index:3;
  pointer-events:none;
}
.reg-mark.tl{ top: 88px; left: 28px; border-right:none; border-bottom:none; }
.reg-mark.br{ bottom: 28px; right: 28px; border-left:none; border-top:none; }

.reg-label{
  position:fixed;
  font-family:'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--line-faint);
  z-index:3;
}
.reg-label.top{ top: 92px; right: 32px; text-align:right; }
.reg-label.bottom{ bottom: 32px; left: 32px; }

/* ---- top nav, small mono links ---- */
.site-header{
  position:fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index:5;
  display:flex;
  align-items:center;
  justify-content:center;
  gap: 16px;
  padding: 16px 24px;
  background: rgba(46,46,46,0.92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line-faint);
  flex-wrap: wrap;
  row-gap: 8px;
}

.site-logo{
  width: 26px;
  height: auto;
  display:block;
  opacity: 0.9;
  transition: opacity 0.2s ease;
}
.site-logo:hover{ opacity: 1; }

.site-nav{
  display:flex;
  gap: 22px;
  flex-wrap: wrap;
  justify-content: center;
  font-family:'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}
.site-nav a{
  color: var(--dim);
  text-decoration:none;
  padding-bottom: 3px;
  border-bottom: 1px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}
.site-nav a:hover, .site-nav a.active{
  color: var(--white);
  border-color: var(--line);
}


/* ---- large tilted hairline ellipse, background signature ---- */
.ellipse-field{
  position:fixed;
  inset:0;
  display:flex;
  align-items:center;
  justify-content:center;
  z-index:0;
  pointer-events:none;
}
.ellipse-field svg{
  width: min(120vw, 900px);
  height: auto;
  opacity: 0.9;
  animation: rotateSlow 90s linear infinite;
  transform-origin: 500px 500px;
}

@keyframes rotateSlow{
  from{ transform: rotate(-6deg); }
  to{ transform: rotate(354deg); }
}

.stage{
  position:relative;
  z-index:2;
  width:100%;
  max-width:600px;
  padding: 100px 32px 40px;
  text-align:center;
  display:flex;
  flex-direction:column;
  align-items:center;
  gap: 26px;
}

.logo-mark{
  width: 72px;
  height: auto;
}

.tag-cycler{
  font-family:'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--dim);
  height: 16px;
  display:flex;
  align-items:center;
  justify-content:center;
  gap: 10px;
}
.tag-cycler::before,
.tag-cycler::after{
  content:'';
  width: 16px;
  height:1px;
  background: var(--line-faint);
}

h1{
  font-family:'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: clamp(38px, 8vw, 64px);
  line-height: 0.95;
  letter-spacing: -0.02em;
  margin: 0;
}

h2{
  font-family:'Space Grotesk', sans-serif;
  font-weight: 500;
  font-size: 20px;
  margin: 0;
  color: var(--dim);
  letter-spacing: 0.01em;
}

.tagline{
  font-family:'Inter', sans-serif;
  font-weight:300;
  font-size: 16px;
  color: var(--dim);
  max-width: 400px;
  line-height:1.6;
}

.divider{
  width: 40px;
  height:1px;
  background: var(--line-faint);
}

/* ---- photo / avatar ---- */
.avatar{
  width: 148px;
  height: 148px;
  border-radius: 50%;
  object-fit: cover;
  border: 1px solid var(--line-faint);
  padding: 6px;
}

/* ---- rectangular framed portrait, technical/drafting style ---- */
.portrait-frame{
  position:relative;
  width: 168px;
  height: 210px;
}
.portrait-frame img{
  width:100%;
  height:100%;
  object-fit: cover;
  display:block;
}
.portrait-frame::before,
.portrait-frame::after{
  content:'';
  position:absolute;
  width: 18px;
  height: 18px;
  border: 1px solid var(--white);
}
.portrait-frame::before{ top: -8px; left: -8px; border-right:none; border-bottom:none; }
.portrait-frame::after{ bottom: -8px; right: -8px; border-left:none; border-top:none; }

/* ---- subtle technical grid background, alternative to ellipse-field ---- */
.grid-field{
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background-image:
    linear-gradient(var(--line-faint) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-faint) 1px, transparent 1px);
  background-size: 56px 56px;
  opacity: 0.05;
}

/* ---- forms ---- */
.form{
  width: 100%;
  max-width: 340px;
  display:flex;
  flex-direction:column;
  gap: 16px;
  text-align:left;
}

.field{
  display:flex;
  flex-direction:column;
  gap: 6px;
}

.field label{
  font-family:'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--dim);
}

.field input{
  background: transparent;
  border: 1px solid var(--line-faint);
  color: var(--white);
  font-family:'Inter', sans-serif;
  font-size: 15px;
  padding: 12px 14px;
  border-radius: 0;
  outline:none;
  transition: border-color 0.2s ease;
}
.field input:focus{ border-color: var(--white); }
.field input::placeholder{ color: rgba(255,255,255,0.3); }

.btn{
  background: var(--white);
  color: var(--charcoal);
  border: none;
  font-family:'JetBrains Mono', monospace;
  font-size: 12px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 14px 20px;
  cursor: pointer;
  transition: opacity 0.2s ease;
  margin-top: 4px;
}
.btn:hover{ opacity: 0.85; }
.btn:disabled{ opacity: 0.4; cursor: not-allowed; }

.btn-ghost{
  background: transparent;
  color: var(--white);
  border: 1px solid var(--line-faint);
}

.form-footer{
  font-family:'Inter', sans-serif;
  font-size: 13px;
  color: var(--dim);
  text-align:center;
}
.form-footer a{
  color: var(--white);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.message{
  font-family:'JetBrains Mono', monospace;
  font-size: 12px;
  letter-spacing: 0.03em;
  padding: 10px 12px;
  border: 1px solid var(--line-faint);
  display:none;
}
.message.show{ display:block; }
.message.error{ color: var(--error); border-color: var(--error); }
.message.success{ color: var(--white); }

.contact{
  display:flex;
  gap: 26px;
  font-family:'JetBrains Mono', monospace;
  font-size: 12px;
  letter-spacing: 0.03em;
}

.contact a{
  text-decoration:none;
  position:relative;
  padding-bottom: 3px;
  color: var(--dim);
  transition: color 0.25s ease;
}
.contact a::after{
  content:'';
  position:absolute;
  left:0; bottom:0;
  width:100%;
  height:1px;
  background: var(--white);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.3s ease;
}
.contact a:hover{ color: var(--white); }
.contact a:hover::after{ transform: scaleX(1); transform-origin: left; }

@media (prefers-reduced-motion: reduce){
  .ellipse-field svg{ animation: none; transform: rotate(-6deg); }
}

@media (max-width: 480px){
  .reg-label{ display:none; }
  .reg-mark{ width:16px; height:16px; }
  .reg-mark.tl{ top:16px; left:16px; }
  .reg-mark.br{ bottom:16px; right:16px; }
  .site-header{ padding: 14px 16px; gap: 12px; }
  .site-logo{ width: 20px; }
  .site-nav{ gap: 16px; font-size: 10px; }
  .reg-mark.tl{ top: 70px; }
  .reg-label.top{ top: 74px; }
  .stage{ padding-top: 80px; }
}

/* ================= App Shell (Sidebar Layout) ================= */

body.app-layout{
  display:block;
  align-items: initial;
  justify-content: initial;
}

.app-shell{
  display:flex;
  min-height: 100vh;
  width: 100%;
}

/* ---- Sidebar rail ---- */
.sidebar{
  width: 240px;
  flex-shrink: 0;
  background: #262626;
  border-right: 1px solid var(--line-faint);
  display:flex;
  flex-direction:column;
  height: 100vh;
  position: sticky;
  top: 0;
  transition: width 0.22s cubic-bezier(0.4,0.1,0.2,1);
  z-index: 10;
}
.sidebar.collapsed{
  width: 68px;
}

.sidebar-header{
  display:flex;
  align-items:center;
  gap: 12px;
  padding: 20px 18px;
  border-bottom: 1px solid var(--line-faint);
  min-height: 64px;
}
.sidebar-header img{
  width: 26px;
  height:auto;
  flex-shrink:0;
}
.sidebar-header .brand-name{
  font-family:'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 16px;
  white-space: nowrap;
  opacity:1;
  transition: opacity 0.15s ease;
}
.sidebar.collapsed .sidebar-header .brand-name{
  opacity:0;
  width:0;
  overflow:hidden;
}
.sidebar.collapsed .sidebar-header{
  padding: 20px 0;
  justify-content:center;
}

.sidebar-collapse-toggle svg{
  transition: transform 0.22s ease;
}
.sidebar.collapsed .sidebar-collapse-toggle svg{
  transform: rotate(180deg);
}

.sidebar-nav{
  flex:1;
  overflow-y:auto;
  padding: 14px 10px;
  display:flex;
  flex-direction:column;
  gap: 2px;
}

.sidebar-item{
  display:flex;
  align-items:center;
  gap: 14px;
  padding: 11px 12px;
  border-radius: 3px;
  color: var(--dim);
  text-decoration:none;
  background:none;
  border:none;
  cursor:pointer;
  font-family:'Inter', sans-serif;
  font-size: 13.5px;
  text-align:left;
  width:100%;
  transition: background 0.15s ease, color 0.15s ease;
  position:relative;
  white-space:nowrap;
}
.sidebar-item:hover{
  background: rgba(255,255,255,0.05);
  color: var(--white);
}
.sidebar-item.active{
  background: rgba(255,255,255,0.08);
  color: var(--white);
}
.sidebar-item.active::before{
  content:'';
  position:absolute;
  left:0; top:8px; bottom:8px;
  width: 2px;
  background: var(--white);
}
.sidebar-item svg{
  width: 18px;
  height: 18px;
  flex-shrink:0;
  stroke: currentColor;
}
.sidebar-item .label{
  opacity:1;
  transition: opacity 0.15s ease;
}
.sidebar.collapsed .sidebar-item{
  justify-content:center;
  padding: 11px 0;
}
.sidebar.collapsed .sidebar-item .label{
  display:none;
}
.sidebar.collapsed .sidebar-item.active::before{
  left: 6px;
}

.sidebar-nav-divider{
  height: 1px;
  background: var(--line-faint);
  margin: 8px 10px 10px;
}

.sidebar-footer{
  border-top: 1px solid var(--line-faint);
  padding: 14px 16px;
  display:flex;
  align-items:center;
  gap: 12px;
}
.sidebar-avatar{
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
  border: 1px solid var(--line-faint);
  display:flex;
  align-items:center;
  justify-content:center;
  font-family:'JetBrains Mono', monospace;
  font-size: 11px;
  flex-shrink:0;
}
.sidebar-footer-text{
  flex:1;
  min-width:0;
  overflow:hidden;
}
.sidebar-footer-email{
  font-size: 12px;
  color: var(--white);
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.sidebar-footer-role{
  font-family:'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform:uppercase;
  color: var(--dim);
}
.sidebar-logout{
  background:none;
  border:1px solid var(--line-faint);
  color: var(--dim);
  width: 28px;
  height: 28px;
  flex-shrink:0;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:center;
  transition: all 0.2s ease;
}
.sidebar-logout:hover{ color: var(--error); border-color: var(--error); }
.sidebar-logout svg{ width:14px; height:14px; }
.sidebar.collapsed .sidebar-footer{
  flex-direction:column;
  padding: 14px 0;
}
.sidebar.collapsed .sidebar-footer-text{ display:none; }

/* ---- Main content area ---- */
.app-main{
  flex:1;
  min-width:0;
  display:flex;
  flex-direction:column;
  background: var(--charcoal);
}

.app-topbar{
  height: 60px;
  flex-shrink:0;
  border-bottom: 1px solid var(--line-faint);
  display:flex;
  align-items:center;
  padding: 0 32px;
  gap: 12px;
}
.app-topbar .crumb{
  font-family:'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.15em;
  text-transform:uppercase;
  color: var(--dim);
}
.app-topbar h1{
  font-family:'Space Grotesk', sans-serif;
  font-weight: 600;
  font-size: 17px;
  margin:0;
}

.app-content{
  flex:1;
  padding: 40px;
  overflow-y:auto;
}

.tab-panel{ display:none; }
.tab-panel.active{ display:block; }

.placeholder-box{
  border: 1px dashed var(--line-faint);
  padding: 60px 24px;
  text-align:center;
  color: var(--dim);
  font-family:'JetBrains Mono', monospace;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

@media (max-width: 768px){
  .sidebar{ width: 68px; }
  .sidebar .brand-name, .sidebar-item .label, .sidebar-footer-text{ display:none; }
  .sidebar-item{ justify-content:center; padding: 11px 0; }
  .sidebar-collapse-toggle{ display:none; }
  .sidebar-nav-divider{ display:none; }
  .app-content{ padding: 24px 20px; }
  .app-topbar{ padding: 0 20px; }
}

.admin-stage{
  position:relative;
  z-index:2;
  width:100%;
  max-width: 920px;
  margin: 0 auto;
  padding: 100px 24px 60px;
  display:flex;
  flex-direction:column;
  gap: 32px;
  align-items: stretch;
  text-align: left;
}

.admin-header{
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.admin-header h1{
  font-size: clamp(28px, 5vw, 40px);
  text-align:left;
}

.kpi-row{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line-faint);
  border: 1px solid var(--line-faint);
}

.kpi-card{
  background: var(--charcoal);
  padding: 20px;
  display:flex;
  flex-direction:column;
  gap: 8px;
}

.kpi-label{
  font-family:'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--dim);
}

.kpi-value{
  font-family:'Space Grotesk', sans-serif;
  font-size: 26px;
  font-weight: 700;
}

.kpi-value.positive{ color: #A9D8B8; }
.kpi-value.negative{ color: var(--error); }

.panel{
  border: 1px solid var(--line-faint);
  padding: 24px;
}

.panel-header{
  display:flex;
  align-items:center;
  justify-content:space-between;
  margin-bottom: 18px;
  flex-wrap: wrap;
  gap: 10px;
}

.panel-header h2{
  color: var(--white);
  font-size: 16px;
  text-align:left;
}

.btn-sm{
  font-family:'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 9px 14px;
  background: var(--white);
  color: var(--charcoal);
  border: none;
  cursor:pointer;
  transition: opacity 0.2s ease;
}
.btn-sm:hover{ opacity: 0.85; }

.btn-sm.ghost{
  background: transparent;
  color: var(--white);
  border: 1px solid var(--line-faint);
}

.data-table{
  width:100%;
  border-collapse: collapse;
  font-size: 14px;
}

.data-table th{
  font-family:'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--dim);
  text-align:left;
  padding: 8px 10px;
  border-bottom: 1px solid var(--line-faint);
}

.data-table td{
  padding: 12px 10px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  vertical-align: middle;
}

.data-table tr:last-child td{ border-bottom:none; }

.tag-pill{
  display:inline-block;
  font-family:'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 3px 8px;
  border: 1px solid var(--line-faint);
  color: var(--dim);
}

.amount-income{ color: #A9D8B8; }
.amount-expense{ color: var(--error); }

.row-delete{
  background: none;
  border: none;
  color: var(--dim);
  cursor: pointer;
  font-family:'JetBrains Mono', monospace;
  font-size: 12px;
  text-decoration: underline;
  text-underline-offset: 2px;
  padding: 0;
}
.row-delete:hover{ color: var(--error); }

.inline-form{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 18px;
}
.inline-form .field{ gap: 4px; }
.inline-form .field.full{ grid-column: 1 / -1; }

.empty-state{
  font-family:'Inter', sans-serif;
  font-size: 13px;
  color: var(--dim);
  padding: 20px 0;
  text-align:center;
}

@media (max-width: 640px){
  .kpi-row{ grid-template-columns: 1fr; }
  .inline-form{ grid-template-columns: 1fr; }
  .data-table{ font-size: 12px; }
  .data-table th:nth-child(3), .data-table td:nth-child(3){ display:none; }
}

/* ================= Settings Accordion ================= */

.settings-accordion{
  display:flex;
  flex-direction:column;
  gap: 12px;
  width: 100%;
}

.acc-item{
  border: 1px solid var(--line-faint);
  background: rgba(255,255,255,0.015);
}

.acc-item > summary{
  list-style:none;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding: 16px 20px;
  font-family:'Space Grotesk', sans-serif;
  font-weight: 600;
  font-size: 14.5px;
  color: var(--white);
  user-select:none;
}
.acc-item > summary::-webkit-details-marker{ display:none; }
.acc-item > summary::marker{ content:''; }

.acc-item > summary .acc-meta{
  font-family:'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--dim);
  font-weight: 400;
  margin-right: auto;
  margin-left: 14px;
}

.acc-chevron{
  width: 14px;
  height: 14px;
  flex-shrink:0;
  transition: transform 0.2s ease;
  color: var(--dim);
}
.acc-item[open] > summary .acc-chevron{ transform: rotate(180deg); }
.acc-item[open] > summary{ border-bottom: 1px solid var(--line-faint); }

.acc-item.danger > summary{ color: var(--error); }

.acc-body{
  padding: 24px 20px 28px;
}