#login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  padding: var(--s-7) var(--s-5);
  font-family: var(--sans);
  position: relative;
  overflow: hidden;
}

#login-page::before {
  content: 'class master';
  position: absolute;
  bottom: -8%;
  left: -2%;
  font-family: var(--serif);
  font-size: 280px;
  color: var(--g10);
  font-weight: 300;
  font-style: italic;
  line-height: 0.8;
  letter-spacing: -0.04em;
  pointer-events: none;
  z-index: 0;
  user-select: none;
}
#login-page .login-wrap {
  width: 100%;
  max-width: 420px;
  position: relative;
  z-index: 1;
}

#login-page .login-title {
  font-family: var(--serif);
  font-size: 72px;
  font-weight: 300;
  color: var(--g1);
  letter-spacing: -0.04em;
  margin: 0 0 var(--s-4);
  line-height: 0.95;
  font-style: italic;
}
#login-page .login-sub {
  font-family: var(--mono);
  font-size: var(--fs-small);
  color: var(--g4);
  margin: 0 0 var(--s-9);
  letter-spacing: 0.15em;
  text-transform: uppercase;
}
#login-page .form-row { margin-bottom: var(--s-6); }
#login-page .form-rows { counter-reset: login-row; }
#login-page .form-row label {
  display: block;
  margin-bottom: var(--s-3);
  color: var(--g3);
  font-size: var(--fs-mono);
  font-family: var(--mono);
  letter-spacing: 0.25em;
  text-transform: uppercase;
  font-weight: 500;
  display: flex;
  align-items: baseline;
  gap: var(--s-2);
}
#login-page .form-row label::before {
  content: counter(login-row, decimal-leading-zero);
  counter-increment: login-row;
  font-size: 10px;
  color: var(--g5);
}
#login-page .form-row label .hint {
  color: var(--g6);
  font-size: var(--fs-mono);
  font-weight: 400;
  text-transform: none;
  letter-spacing: 0.1em;
  margin-left: var(--s-2);
  font-family: var(--sans);
}
#login-page .form-row input,
#login-page .form-row select,
#login-page .form-row textarea {
  width: 100%;
  padding: var(--s-3) 0;
  border: none;
  border-bottom: 1px solid var(--g8);
  border-radius: 0;
  font-size: 20px;
  font-family: var(--serif);
  font-style: italic;
  outline: none;
  background: transparent;
  color: var(--g1);
  transition: border-color 0.3s ease;
  font-weight: 300;
  letter-spacing: -0.01em;
}
#login-page .form-row input::placeholder,
#login-page .form-row textarea::placeholder {
  color: var(--g6);
  font-weight: 300;
  font-style: italic;
}
#login-page .form-row input:focus,
#login-page .form-row select:focus,
#login-page .form-row textarea:focus {
  border-bottom-color: var(--g1);
  border-bottom-width: 2px;
  padding-bottom: calc(var(--s-3) - 1px);
}
#login-page .err {
  font-family: var(--mono);
  color: var(--accent);
  font-size: var(--fs-mono);
  letter-spacing: 0.1em;
  min-height: 18px;
  margin: var(--s-4) 0 var(--s-3);
  text-align: left;
  text-transform: uppercase;
}
#login-page #login-submit {
  width: 100%;
  height: 56px;
  margin-top: var(--s-6);
  background: var(--g1);
  color: var(--g12);
  border: none;
  border-radius: 0;
  font-size: var(--fs-small);
  letter-spacing: 0.4em;
  font-family: var(--mono);
  font-weight: 600;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.3s ease;
}
#login-page #login-submit:hover { background: var(--g2); letter-spacing: 0.5em; }
#login-page #login-submit:disabled { background: var(--g6); cursor: not-allowed; }
#login-page .toggle {
  text-align: left;
  margin-top: var(--s-6);
  font-family: var(--mono);
  font-size: var(--fs-mono);
  color: var(--g5);
  letter-spacing: 0.2em;
  text-transform: uppercase;
}
#login-page .toggle a {
  margin-left: var(--s-2);
  color: var(--g1);
  text-decoration: none;
  border-bottom: 1px solid var(--g1);
  font-weight: 600;
  padding-bottom: 1px;
}
#login-page .toggle a:hover { color: var(--accent); border-bottom-color: var(--accent); }

@media (max-width: 480px) {
  #login-page::before { font-size: 160px; bottom: -4%; }
  #login-page { padding: var(--s-5) var(--s-4); }
  #login-page .login-title { font-size: 48px; }
  #login-page .login-sub { margin-bottom: var(--s-6); }
  #login-page .form-row input,
  #login-page .form-row select,
  #login-page .form-row textarea { font-size: 18px; }
}


#app { display: flex; min-height: 100vh; }
#sidebar {
  width: 240px;
  flex-shrink: 0;
  position: sticky;
  top: 0;
  align-self: flex-start;
  height: 100vh;
  background: var(--g12);
  color: var(--text);
  display: flex; flex-direction: column;
  transition: width 0.3s cubic-bezier(0.22, 1, 0.36, 1);
  border-right: none;
  overflow: hidden;
  z-index: 50;
}

body.sb-collapsed #sidebar { width: 0; }
body.sb-collapsed #sidebar .sb-brand,
body.sb-collapsed #sidebar #nav,
body.sb-collapsed #sidebar .sb-footer { opacity: 0; pointer-events: none; }

#main {
  flex: 1;
  display: flex; flex-direction: column;
  min-width: 0;
  background: #FAFAFA;
}

.sb-toggle {
  flex-shrink: 0;
  width: 32px; height: 32px;
  background: transparent;
  border: 1px solid var(--g9);
  color: var(--g1);
  font-family: var(--sans);
  font-size: 18px;
  font-weight: 400;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: all 0.2s;
  padding: 0;
  margin-right: var(--s-2);
}
.sb-toggle:hover { color: var(--accent); border-color: var(--g1); }
body.sb-collapsed .sb-toggle { color: var(--g1); }
.sb-toggle:focus { outline: 1px solid var(--g1); outline-offset: 1px; }

@media (max-width: 860px) {
  #sidebar {
    position: fixed;
    top: 0; left: 0;
    height: 100vh;
    width: 240px;
    z-index: 100;
    transform: translateX(-100%);
    transition: transform 0.3s cubic-bezier(0.22, 1, 0.36, 1);
  }
  #sidebar.open { transform: translateX(0); width: 240px; }
  #sidebar.open .sb-brand,
  #sidebar.open #nav,
  #sidebar.open .sb-footer { opacity: 1; pointer-events: auto; }
  .sb-toggle { display: none !important; }
  .hb-burger { display: flex !important; }
}
@media (min-width: 861px) {
  .hb-burger { display: none !important; }
  .sb-toggle { display: flex !important; }
}
@media (min-width: 861px) {
  .hb-burger { display: none !important; }
}
.sb-brand {
  padding: clamp(20px, 2.8vh, 40px) var(--s-5) clamp(14px, 1.8vh, 24px);
  border-bottom: 1px solid var(--g1);
  position: relative;
}

.sb-logo-mark {
  display: flex;
  align-items: baseline;
  justify-content: center;
  font-family: var(--serif);
  font-size: clamp(20px, 2.4vh, 28px);
  font-weight: 300;
  color: var(--g1);
  line-height: 1;
  margin-bottom: 0;
  letter-spacing: 0.3em;  
  padding: 0 var(--s-3);   
}
.sb-logo-mark span { display: inline-block; }
.sb-logo-b {
  font-style: italic; font-weight: 400;
  transform: translateY(-0.05em) skewX(-6deg);
  margin-right: 0.2em;  
}
.sb-logo-z {
  font-style: normal; font-weight: 300;
  color: var(--g1);
  margin-right: 0.2em;
}
.sb-logo-r {
  font-style: italic; font-weight: 400;
  transform: translateY(0.05em) skewX(6deg);
}
#nav { flex: 1; padding: clamp(4px, 0.7vh, 10px) 0; overflow: hidden; }
.sb-group { margin-bottom: clamp(2px, 0.4vh, 6px); }
.sb-group-title {
  padding: clamp(2px, 0.3vh, 4px) var(--s-4) clamp(1px, 0.2vh, 3px);
  font-size: clamp(7px, 0.8vh, 10px);
  font-family: var(--serif);
  color: var(--g5);
  font-weight: 300;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  font-style: italic;
}
.sb-item {
  display: flex;
  align-items: center;
  gap: var(--s-3);
  padding: clamp(7px, 1vh, 14px) var(--s-4);
  color: var(--g5);
  cursor: pointer;
  position: relative;
  font-size: clamp(13px, 1.6vh, 16.5px);
  font-family: var(--serif);
  transition: all 0.3s ease;
  line-height: 1.3;
  font-weight: 300;
  letter-spacing: 0.3px;
}
.sb-item:hover {
  color: var(--g2);
  background: var(--g11);
}
.sb-item.active {
  color: var(--g1);
  font-weight: 500;
}

.sb-item.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 2px;
  height: clamp(10px, 1.2vh, 16px);
  background: var(--g1);
}
.sb-item .ico { width: clamp(14px, 1.8vh, 18px); height: clamp(14px, 1.8vh, 18px); flex-shrink: 0; }
.sb-item svg { width: clamp(14px, 1.8vh, 18px); height: clamp(14px, 1.8vh, 18px); flex-shrink: 0; }
.sb-footer {
  padding: clamp(10px, 1.4vh, 18px) var(--s-3);
  border-top: 1px solid var(--g1);
  font-size: clamp(10px, 1.2vh, 12.5px);
  color: var(--g5);
  line-height: 1.5;
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: center;
  gap: var(--s-2);
  transition: background 0.2s;
}
.sb-footer:hover { background: var(--g11); }

.sb-foot-left { min-width: 0; }
.sb-foot-left .sb-user-name {
  font-family: var(--serif);
  font-size: clamp(15px, 1.8vh, 18px);
  color: var(--g1);
  font-style: italic;
  font-weight: 300;
  line-height: 1.1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  letter-spacing: 0.3px;
}
.sb-foot-left .sb-user-meta {
  font-family: var(--serif);
  font-size: clamp(7px, 0.85vh, 10px);
  color: var(--g5);
  letter-spacing: 0.3em;
  text-transform: uppercase;
  font-style: italic;
  font-weight: 300;
  margin-top: 2px;
}

.sb-foot-settings {
  flex-shrink: 0;
  width: 28px; height: 28px;
  background: transparent;
  border: 1px solid var(--g9);
  color: var(--g3);
  font-size: 14px;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: all 0.2s;
  padding: 0;
}
.sb-foot-settings:hover { color: var(--g1); border-color: var(--g1); }


#main { flex: 1; display: flex; flex-direction: column; min-width: 0; background: #FAFAFA; }
#topbar {
  height: 36px; background: #FFFFFF;
  border-bottom: 1px solid #F0F0F0;
  display: flex; align-items: center; padding: 0 32px; gap: 16px;
  position: relative;
  z-index: 5;
}
#topbar .title { font-size: 16px; font-weight: 600; font-family: var(--font-serif); color: var(--c-text); letter-spacing: 0.3px; }
#topbar .spacer { flex: 1; }



.btn-mini { padding: 4px 12px; font-size: 12px; border-radius: 6px; border: 1px solid var(--c-border); background: white; color: var(--c-text); cursor: pointer; margin-right: 4px; transition: all .15s; }
.btn-mini:hover { background: var(--c-gold-soft); border-color: var(--c-gold-soft); color: var(--c-primary); }
.btn-mini.btn-danger { color: var(--c-danger); border-color: #FCA5A5; }
.btn-mini.btn-danger:hover { background: #FEF2F2; }
.badge-primary { background: #DBEAFE; color: #1E40AF; }
.badge-info    { background: #E0E7FF; color: #3730A3; }
.badge-warn    { background: #FEF3C7; color: #92400E; }
.badge-danger  { background: #FEE2E2; color: #991B1B; }
.badge-success { background: #D1FAE5; color: #065F46; }


.att-btns { display: flex; gap: 4px; flex-wrap: wrap; }
.att-btn {
  min-width: 46px; height: 42px; border: 1px solid var(--c-border);
  background: white; border-radius: 4px; cursor: pointer;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 2px; padding: 4px 7px; transition: all .15s;
}
.att-btn .icon { width: 15px; height: 15px; }
.att-lb {
  font-size: 10.5px; line-height: 1.1; letter-spacing: .06em;
  color: var(--c-text-3); white-space: nowrap;
}
.att-btn:hover { background: var(--c-bg); }

.att-btn.on { background: var(--c-success); color: white; border-color: var(--c-success); }
.att-btn.on .att-lb { color: rgba(255, 255, 255, .92); }
.att-btn[data-st="absent"].on { background: var(--c-danger); border-color: var(--c-danger); }
.att-btn[data-st="late"].on { background: var(--c-warn); border-color: var(--c-warn); }
.att-btn[data-st="leave"].on,
.att-btn[data-st="sick"].on { background: #64748B; border-color: #64748B; }

#content { flex: 1; overflow-y: auto; padding: 24px; }
.mod-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 20px;
}
.mod-header h2 { font-size: 22px; font-weight: 600; font-family: var(--font-serif); letter-spacing: 0.3px; }
.mod-sub { color: var(--c-text-3); font-size: 12px; margin-top: 4px; letter-spacing: 0.3px; }


.att-sum { display: flex; flex-wrap: wrap; gap: 2px 2px; align-items: baseline; }
.att-sum > span + span::before { content: '·'; margin-right: 8px; color: var(--c-text-3); }
.mod-tools { display: flex; gap: 10px; align-items: center; }


.rec-tabs {
  display: flex; gap: 2px; margin: 4px 0 14px;
  border-bottom: 1px solid var(--c-border);
  overflow-x: auto; -webkit-overflow-scrolling: touch;
  scrollbar-width: none;   
}
.rec-tabs::-webkit-scrollbar { display: none; }
.rec-tab {
  appearance: none; border: 0; background: transparent;
  padding: 9px 14px; cursor: pointer; white-space: nowrap;
  font-size: 13.5px; font-family: inherit; color: var(--c-text-3);
  border-bottom: 2px solid transparent;
  transition: color .15s, border-color .15s;
}
.rec-tab:hover { color: var(--c-text-1); }
.rec-tab.on { color: var(--c-gold); border-bottom-color: var(--c-gold); }


.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 16px; border: 1px solid #E0E0E0;
  background: #FFFFFF; border-radius: 0;
  cursor: pointer; font-size: 13px; color: #1a1a1a;
  transition: all .15s; font-family: inherit;
}
.btn:hover { border-color: #1a1a1a; color: #1a1a1a; }
.btn-primary {
  background: #1a1a1a;
  color: #FAFAFA; border-color: #1a1a1a;
}
.btn-primary:hover { background: #000; color: #FAFAFA; border-color: #000; }
.btn-danger { color: #B06367; border-color: #D4B5B5; background: #FAF0F0; }
.btn-danger:hover { background: #B06367; color: white; border-color: #B06367; }
.btn-sm { padding: 4px 12px; font-size: 12px; }
.btn svg { width: 14px; height: 14px; }

.card {
  background: #FFFFFF;
  border: 1px solid #F0F0F0;
  border-radius: 0; padding: 24px; margin-bottom: 20px;
  box-shadow: none;
  position: relative;
}
.mb-16 { margin-bottom: 16px; }
.mt-16 { margin-top: 16px; }
.grid { display: grid; gap: 20px; }
.grid-2 { grid-template-columns: 1fr 1fr; gap: 20px; }

.grid-4 { grid-template-columns: repeat(4, 1fr); gap: 20px; }
@media (max-width: 860px) {
  .grid-4 { grid-template-columns: 1fr 1fr; gap: 14px; }
  .grid-2 { grid-template-columns: 1fr; gap: 14px; }
}