*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --sidebar-w: 220px;
  --topbar-h:  52px;
  --color-bg:             #f4f6f9;
  --color-sidebar:        #ffffff;
  --color-sidebar-h:      #f1f5f9;
  --color-sidebar-border: rgba(0,0,0,.07);
  --color-sidebar-item-h: rgba(0,0,0,.05);
  --color-sidebar-text:   #475569;
  --color-sidebar-text-h: #0f172a;
  --color-sidebar-label:  #94a3b8;
  --color-sidebar-brand:  #0f172a;
  --color-topbar:         #ffffff;
  --color-primary:        #3b82f6;
  --color-text:           #1f2937;
  --color-muted:          #6b7280;
  --color-border:         #e5e7eb;
  --color-card:           #ffffff;
  --color-input-bg:       #ffffff;
  --color-table-hover:    #f9fafb;
  --color-btn-sec:        #f3f4f6;
  --color-btn-sec-hover:  #e5e7eb;
  --color-tab-active-bg:  #f0f7ff;
  --color-row-selected:   #eff6ff;
  --radius:          8px;
  --shadow-sm:       0 1px 3px rgba(0,0,0,.08);
  --shadow:          0 4px 12px rgba(0,0,0,.1);
}

[data-theme="dark"] {
  color-scheme: dark;
  --color-bg:             #0f1117;
  --color-sidebar:        #111827;
  --color-sidebar-h:      #1e2535;
  --color-sidebar-border: rgba(255,255,255,.07);
  --color-sidebar-item-h: rgba(255,255,255,.07);
  --color-sidebar-text:   rgba(255,255,255,.65);
  --color-sidebar-text-h: rgba(255,255,255,.9);
  --color-sidebar-label:  rgba(255,255,255,.35);
  --color-sidebar-brand:  #ffffff;
  --color-topbar:         #1a1f2e;
  --color-text:           #e2e8f0;
  --color-muted:          #94a3b8;
  --color-border:         #2d3748;
  --color-card:           #1a1f2e;
  --color-input-bg:       #242b3d;
  --color-table-hover:    #1e2535;
  --color-btn-sec:        #2d3748;
  --color-btn-sec-hover:  #374151;
  --color-tab-active-bg:  #172b44;
  --color-row-selected:   #1e2d45;
  --shadow-sm:            0 1px 3px rgba(0,0,0,.3);
  --shadow:               0 4px 12px rgba(0,0,0,.4);
}

body { font-family: 'Inter', system-ui, sans-serif; background: var(--color-bg); color: var(--color-text); height: 100vh; overflow: hidden; }

/* ── Workspace layout ── */
#app { height: 100vh; display: flex; flex-direction: column; }

.workspace {
  display: grid;
  grid-template-rows: var(--topbar-h) 1fr;
  grid-template-columns: var(--sidebar-w) 1fr;
  grid-template-areas:
    "sidebar topbar"
    "sidebar main";
  height: 100vh;
}

/* ── Top bar ── */
.topbar {
  grid-area: topbar;
  background: var(--color-topbar);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  gap: 16px;
  z-index: 10;
}
.topbar__title { font-size: 15px; font-weight: 600; color: var(--color-text); }
.topbar__right { display: flex; align-items: center; gap: 16px; }
.topbar__user  { display: flex; align-items: center; gap: 10px; }
.topbar__user--clickable { cursor: pointer; border-radius: var(--radius); padding: 4px 6px; margin: -4px -6px; transition: background .15s; }
.topbar__user--clickable:hover { background: rgba(0,0,0,.06); }
[data-theme="dark"] .topbar__user--clickable:hover { background: rgba(255,255,255,.08); }
.topbar__avatar {
  width: 34px; height: 34px; border-radius: 50%;
  background: var(--color-primary); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 13px; font-weight: 700; flex-shrink: 0;
}
.topbar__name  { font-size: 13px; font-weight: 500; }
.topbar__role  {
  font-size: 11px; padding: 2px 8px; border-radius: 20px;
  font-weight: 600; letter-spacing: .3px;
}
.role--admin     { background: #fee2e2; color: #b91c1c; }
.role--organizer { background: #dbeafe; color: #1d4ed8; }
.role--viewer    { background: #f3f4f6; color: #374151; }
.role--supplier  { background: #d1fae5; color: #065f46; }

.btn-logout {
  background: none; border: 1px solid var(--color-border);
  padding: 5px 14px; border-radius: var(--radius);
  font-size: 13px; cursor: pointer; color: var(--color-muted);
  transition: all .15s;
}
.btn-logout:hover { border-color: #9ca3af; color: var(--color-text); }

/* ── Sidebar ── */
.sidebar {
  grid-area: sidebar;
  background: var(--color-sidebar);
  border-right: 1px solid var(--color-sidebar-border);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}
.sidebar__brand {
  height: var(--topbar-h);
  display: flex;
  align-items: center;
  padding: 0 20px;
  border-bottom: 1px solid var(--color-sidebar-border);
  flex-shrink: 0;
}
.sidebar__brand-text {
  font-size: 15px; font-weight: 700; color: var(--color-sidebar-brand);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.sidebar__logo-wrap {
  border-radius: 6px; padding: 6px 12px;
  display: inline-flex; align-items: center; max-width: 100%; box-sizing: border-box;
}
.sidebar__logo {
  max-height: 39px; max-width: 100%; object-fit: contain; display: block;
}
.sidebar__nav { padding: 12px 0; flex: 1; display: flex; flex-direction: column; }
.nav-section { margin-bottom: 4px; }
.nav-section__label {
  font-size: 10px; font-weight: 600; letter-spacing: .8px; text-transform: uppercase;
  color: var(--color-sidebar-label); padding: 8px 20px 4px;
}
.nav-item {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 20px; cursor: pointer;
  color: var(--color-sidebar-text); font-size: 13.5px;
  transition: background .15s, color .15s;
  border-radius: 0;
  user-select: none;
}
.nav-item:hover    { background: var(--color-sidebar-item-h); color: var(--color-sidebar-text-h); }
.nav-item.active   { background: var(--color-primary); color: #fff; }
.nav-item__icon    { width: 20px; flex-shrink: 0; display: flex; align-items: center; justify-content: center; opacity: .8; }
.nav-item.active .nav-item__icon,
.nav-item:hover  .nav-item__icon { opacity: 1; }
.nav-item__label   { flex: 1; }

/* ── Main content ── */
.main {
  grid-area: main;
  overflow-y: auto;
  padding: 28px;
  background: var(--color-bg);
}
.page-header { margin-bottom: 24px; }
.page-header h1 { font-size: 22px; font-weight: 700; }
.page-header p  { color: var(--color-muted); font-size: 14px; margin-top: 4px; }

/* ── Cards ── */
.card {
  background: var(--color-card); border-radius: var(--radius);
  box-shadow: var(--shadow-sm); border: 1px solid var(--color-border);
  padding: 24px; margin-bottom: 20px;
}
.card h2 { font-size: 16px; font-weight: 600; margin-bottom: 16px; }

/* ── Role cards dashboard ── */
.role-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 16px; }
.role-card {
  border-radius: var(--radius); padding: 20px;
  display: flex; flex-direction: column; gap: 8px;
}
.role-card__name { font-size: 15px; font-weight: 700; }
.role-card__desc { font-size: 12px; opacity: .8; }
.role-card__perms { font-size: 11px; opacity: .65; }
.role-card--admin     { background: #fff1f2; border: 1px solid #fecaca; }
.role-card--organizer { background: #eff6ff; border: 1px solid #bfdbfe; }
.role-card--viewer    { background: #f9fafb; border: 1px solid #e5e7eb; }
.role-card--supplier  { background: #ecfdf5; border: 1px solid #a7f3d0; }

/* ── Table ── */
.table-wrap { overflow-x: auto; }
.row-checkbox { width: 15px; height: 15px; cursor: pointer; accent-color: var(--color-primary); }
[data-theme="dark"] .row-checkbox {
  appearance: none; -webkit-appearance: none;
  width: 15px; height: 15px; border: 1.5px solid #4b5563; border-radius: 3px;
  background: #242b3d; cursor: pointer; position: relative; flex-shrink: 0;
}
[data-theme="dark"] .row-checkbox:checked {
  background: var(--color-primary); border-color: var(--color-primary);
}
[data-theme="dark"] .row-checkbox:checked::after {
  content: ''; position: absolute;
  left: 3px; top: 0px; width: 5px; height: 9px;
  border: 2px solid #fff; border-top: none; border-left: none;
  transform: rotate(45deg);
}
table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
th { text-align: left; padding: 8px 12px; font-size: 11px; font-weight: 600; letter-spacing: .4px; text-transform: uppercase; color: var(--color-muted); border-bottom: 2px solid var(--color-border); }
td { padding: 10px 12px; border-bottom: 1px solid var(--color-border); }
tr:last-child td { border-bottom: none; }
tr:hover td { background: var(--color-table-hover); }

/* ── Form ── */
.form-row    { margin-bottom: 16px; }
.form-label  { display: block; font-size: 13px; font-weight: 500; margin-bottom: 6px; }
.form-input  {
  width: 100%; padding: 8px 12px; border: 1px solid var(--color-border);
  border-radius: var(--radius); font-size: 14px; outline: none;
  background: var(--color-input-bg); color: var(--color-text);
  transition: border-color .15s;
}
.form-input:focus { border-color: var(--color-primary); box-shadow: 0 0 0 3px rgba(59,130,246,.12); }
.form-select { appearance: none; background: var(--color-input-bg) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M6 8L1 3h10z' fill='%236b7280'/%3E%3C/svg%3E") no-repeat right 10px center; }

/* ── Buttons ── */
.btn { padding: 8px 18px; border-radius: var(--radius); font-size: 13.5px; font-weight: 500; cursor: pointer; border: none; transition: all .15s; }
.btn-primary   { background: var(--color-primary); color: #fff; }
.btn-primary:hover { background: #2563eb; }
.btn-danger    { background: #ef4444; color: #fff; }
.btn-danger:hover  { background: #dc2626; }
.btn-secondary { background: var(--color-btn-sec); color: var(--color-text); border: 1px solid var(--color-border); }
.btn-secondary:hover { background: var(--color-btn-sec-hover); }

/* ── Badge ── */
.badge { display: inline-block; font-size: 11px; font-weight: 600; padding: 2px 8px; border-radius: 20px; }
.badge-active   { background: #d1fae5; color: #065f46; }
.badge-inactive { background: #fee2e2; color: #b91c1c; }

/* ── Login screen ── */
.login-screen {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, #1e2a3a 0%, #2d3f54 100%);
}
.login-box {
  background: var(--color-card); border-radius: 12px; padding: 40px 36px;
  width: 100%; max-width: 380px; box-shadow: var(--shadow);
}
.login-box h1 { font-size: 22px; font-weight: 700; margin-bottom: 4px; }
.login-box p  { color: var(--color-muted); font-size: 13px; margin-bottom: 28px; }
.login-error  { color: #b91c1c; background: #fee2e2; border-radius: var(--radius); padding: 8px 12px; font-size: 13px; margin-bottom: 16px; }

/* ── Modal ── */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,.4);
  display: flex; align-items: center; justify-content: center; z-index: 100;
}
.modal {
  background: var(--color-card); border-radius: 12px; padding: 28px;
  width: 100%; max-width: 440px; box-shadow: var(--shadow);
}
.modal h3 { font-size: 18px; font-weight: 700; margin-bottom: 20px; }
.modal-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 20px; }

.placeholder { color: var(--color-muted); font-size: 14px; padding: 40px; text-align: center; }

/* ── Procedure status badges ── */
.badge-draft  { background: #f3f4f6; color: #374151; }
.badge-round1 { background: #d1fae5; color: #065f46; }
.badge-round2 { background: #fef3c7; color: #92400e; }
.badge-done   { background: #dbeafe; color: #1d4ed8; }

/* ── Wide modal (procedures) ── */
.modal--wide { max-width: 620px; max-height: 90vh; overflow-y: auto; }

/* ── Modal section divider ── */
.modal-section {
  font-size: 11px; font-weight: 700; letter-spacing: .6px; text-transform: uppercase;
  color: var(--color-muted); padding: 16px 0 10px;
  border-top: 1px solid var(--color-border); margin-top: 4px;
}

/* ── Procedure detail tabs ── */
.proc-tabs { display:flex; background:var(--color-card); border-radius:var(--radius); border:1px solid var(--color-border); overflow:hidden; margin-bottom:20px; box-shadow:var(--shadow-sm); }
.proc-tab  { flex:1; padding:13px 8px; border:none; border-bottom:3px solid transparent; background:none; cursor:pointer; font-size:13px; font-weight:500; color:var(--color-muted); transition:all .15s; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.proc-tab:hover  { background:var(--color-bg); color:var(--color-text); }
.proc-tab.active { color:var(--color-primary); border-bottom-color:var(--color-primary); background:var(--color-tab-active-bg); }

/* ── Proc detail info grid ── */
.proc-info-grid { display:grid; grid-template-columns:repeat(auto-fill, minmax(180px,1fr)); gap:16px; margin-bottom:4px; }
.proc-info-item .form-label { margin-bottom:4px; }
.proc-info-item .value      { font-size:14px; font-weight:500; }

/* ── Excel-style inline cell input ── */
.cell-input {
  width: 100%; border: 1px solid transparent; border-radius: 4px;
  background: transparent; color: var(--color-text);
  font-family: inherit; font-size: 13.5px;
  padding: 3px 6px; resize: none; outline: none;
  field-sizing: content; min-height: 28px;
  transition: border-color .12s, background .12s;
}
.cell-input:hover  { border-color: var(--color-border); background: var(--color-input-bg); }
.cell-input:focus  {
  border-color: var(--color-primary); background: var(--color-input-bg);
  box-shadow: 0 0 0 3px rgba(59,130,246,.12);
}

/* ── Theme toggle button ── */
/* ── Toggle switch ── */
.toggle { display:inline-flex; align-items:center; gap:10px; cursor:pointer; user-select:none; }
.toggle input { position:absolute; opacity:0; width:0; height:0; }
.toggle__track {
  position:relative; width:40px; height:22px; border-radius:11px;
  background:#d1d5db; transition:background .2s;
  flex-shrink:0;
}
.toggle input:checked ~ .toggle__track { background:var(--color-primary); }
.toggle__thumb {
  position:absolute; top:3px; left:3px;
  width:16px; height:16px; border-radius:50%;
  background:#fff; box-shadow:0 1px 3px rgba(0,0,0,.25);
  transition:transform .2s;
}
.toggle input:checked ~ .toggle__track .toggle__thumb { transform:translateX(18px); }
.toggle__label { font-size:14px; color:var(--color-text); }

.btn-theme {
  background: none; border: 1px solid var(--color-border);
  padding: 5px 9px; border-radius: var(--radius);
  font-size: 16px; cursor: pointer; line-height: 1;
  transition: all .15s; flex-shrink: 0;
}
.btn-theme:hover { border-color: #9ca3af; }

/* ── Supplier add panels ── */
.supp-panel {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  padding: 12px 14px;
  margin-bottom: 14px;
}
.supp-dd {
  position: absolute; top: 100%; left: 0; right: 0; z-index: 200;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  box-shadow: 0 4px 16px rgba(0,0,0,.18);
  max-height: 260px; overflow-y: auto; margin-top: 2px;
}
.supp-dd-item {
  padding: 7px 12px; cursor: pointer; font-size: 13px;
  border-bottom: 1px solid var(--color-border);
  line-height: 1.4; color: var(--color-text);
}
.supp-dd-item:hover { background: var(--color-table-hover); }
.supp-dd-item:last-child { border-bottom: none; }