*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  /* Base (fundos) */
  --black-800: #19191c;
  --white: #ffffff;
  --black: #000000;
  --slate-900: #050c1e;
  --slate-800: #111827;
  --slate-700: #1F2937;

  /* Neutros (textos e divisores) */
  --gray-200: #E5E7EB;
  --gray-400: #9CA3AF;
  --gray-500: #6B7280;
  --gray-700: #374151;

  /* Cores principais */
  --blue-500: #3B82F6;
  --blue-600: #2563EB;

  --violet-200:#755E72;
  --violet-500: #8B5CF6;
  --violet-600: #7C3AED;

  /* Estados */
  --green-200: #b7ffa0;
  --green-500: #25c25c;
  --green-700: #1d9547;
  --green-950: #7d913e;
  --green-990: #4b5a1f;

  --amber-300: #ffb22e;
  --amber-500: #d53e00;
  --amber-950: #3B2F05;

  --red-400: #e65454;
  --red-500: #EF4444;
  --red-700: #bc3535;
  --red-950: #3B0A0A;

  --font-display: 'Inter', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  
  --radius: 6px;
  --col-num:42px;--col-cor:22%;--col-esc:26%;--col-perf:20%;--col-coreo:16%;--col-status:130px;--col-edit:160px;
}

html{
  scroll-behavior:smooth
}

body{
  background:var(--gray-200);
  color:var(--gray-200);
  font-family: var(--font-body), serif;
  font-size:15px;
  line-height:1.5;
  min-height:100vh
}

#header{
  position:sticky;
  top:0;
  z-index:100;
  background:var(--black);
  backdrop-filter:blur(12px);
}

.header-inner{
  max-width:1600px;
  margin:0 auto;
  padding:0 20px;
  display:flex;
  align-items:center;
  gap:16px;
  height:52px
}

.logo{
  font-family: var(--font-display), serif;
  font-size:20px;
  color:var(--gray-200);
  letter-spacing:.44em;
  white-space:nowrap;
  flex-shrink:0;
  display:flex;
  flex-direction:column;
  align-items:flex-start;
  line-height:1.1;
  gap:1px;
}

.logo span{
  font-family: var(--font-mono), serif;
  font-style:normal;
  font-weight:400;
  font-size:9px;
  color:var(--gray-200);
  letter-spacing:.18em;
  text-transform:uppercase;
}

.header-stats{
  display:flex;
  gap:12px;
  margin-left:auto;
  flex-wrap:wrap;
}

.header-actions{
  display:flex;
  gap:8px;
  flex-shrink:0;
}

/* ── STAT PILLS ── */
.stat-pill{
  display:flex;
  align-items:center;
  gap:6px;
  padding:4px 10px;
  border-radius:20px;
  font-family: var(--font-mono), sans-serif;
  font-size:11px;border:1px solid var(--slate-900);
  color:var(--gray-200);
}

.stat-pill.presented{
  border-color:var(--green-500);
  background:var(--green-500);
  color:var(--black);
}
.stat-pill.total, .stat-pill.pct{
  border-color:var(--gray-200);
  background:var(--gray-200);
  color:var(--black);
}

/* ── HEADER BUTTONS ──────────────────────────────── */
#header button{
  font-family:var(--font-mono), sans-serif;
  font-size:11px;
  letter-spacing:.06em;
  padding:5px 14px;
  border-radius:3px;
  cursor:pointer;
  border:1px solid;
  transition:all .2s;
}
#btn-login{
  border-color:var(--amber-300);
  color:var(--amber-300);
  background:transparent
}
#btn-login:hover{
  background:var(--amber-300);
  color:var(--black);
  border-color:var(--amber-300);
}
#btn-logout{
  border-color:var(--red-400);
  color:var(--red-400);
  background:transparent
}
#btn-logout:hover{
  border-color:var(--red-400);
  background: var(--red-400);
  color:var(--black)
}
#btn-incluir{
  border-color:var(--green-500);
  background:var(--black);
  color:var(--green-500);
}
#btn-incluir:hover{
  border-color:var(--green-500);
  background:var(--green-500);
  color:var(--black);
}

/* ── DASHBOARD ───────────────────────────────────── */
#dashboard {
  padding: 16px 20px
}

.dashboard-inner {
  max-width: 1600px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr 200px;
  gap: 16px;
  align-items: start
}

.dash-card {
  background: var(--white);
  border-radius: 5px;
  padding: 14px 16px;
  min-height: 150px;
}

.dash-card h3 {
  font-family: var(--font-mono), sans-serif;
  font-size: 9px;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--amber-500);
  margin-bottom: 8px
}

.dash-entry {
  display: flex;
  flex-direction: column;
  gap: 3px
}

.dash-entry .cor {
  font-family: var(--font-display), sans-serif;
  font-size: 15px;
  font-weight: bold;
  color: var(--black-800);
  line-height: 1.2
}

.dash-entry .esc {
  font-size: 14px;
  color: var(--black-800)
}

.dash-entry .time {
  font-family: var(--font-mono), sans-serif;
  font-size: 12px;
  color: var(--green-990);
  margin-top: 2px
}

.dash-entry .session-tag {
  font-family: var(--font-mono), sans-serif;
  font-size: 12px;
  color: var(--green-990)
}

.dash-entry.empty {
  color: var(--black-800);
  font-size: 13px;
  font-style: italic
}

.dash-clock {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  height: 100%
}

.dash-clock .time-display {
  font-family: var(--font-mono),sans-serif;
  font-size: 32px;
  color: var(--green-500);
  letter-spacing: .05em;
  margin-top: 20px;
}

.dash-clock .date-display {
  font-family: var(--font-mono), sans-serif;
  font-size: 11px;
  color: var(--green-500);
  text-align: center;
  font-weight: bold;
}

.dash-timeline {
  max-height: 80px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 4px
}

.timeline-item {
  display: flex;
  gap: 8px;
  align-items: baseline;
  font-size: 12px
}

.timeline-item .t {
  font-family: var(--font-mono), sans-serif;
  font-size: 10px;
  color: var(--green-990);
  white-space: nowrap;
  font-weight: bold;
}

.timeline-item .n {
  color: var(--black-800);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-weight: bold;
}

.timeline-item .e {
  color: var(--black-800);
  font-size: 11px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap
}

/* ── NAV ─────────────────────────────────────────── */
#nav {
  background: var(--white);
  position: sticky;
  top: 54px;
  z-index: 90;
  padding: 10px;
}

.nav-inner {
  max-width: 1600px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  gap: 2px;
  overflow-x: auto;
  scrollbar-width: none;
  align-items: center;
}

.nav-inner::-webkit-scrollbar {
  display: none
}

.nav-tabs-container {
  display: flex;
  gap: 2px;
  overflow-x: auto;
  scrollbar-width: none;
  flex: 1;
  scroll-behavior: smooth;
}

.nav-tabs-container::-webkit-scrollbar {
  display: none;
}

.nav-arrow {
  display: none;
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: transparent;
  border: 2px solid var(--black-800);
  color: var(--black-800);
  font-size: 16px;
  font-weight: bold;
  cursor: pointer;
  transition: all .2s;
  align-items: center;
  justify-content: center;
  padding: 0;
  margin: 0 4px;
}

.nav-arrow:hover:not(.nav-arrow-disabled) {
  background: var(--black-800);
  color: var(--white);
}

.nav-arrow-disabled {
  opacity: 0.3;
  cursor: not-allowed;
  border-color: var(--gray-400);
  color: var(--gray-400);
}

.nav-btn {
  flex-shrink: 0;
  padding: 10px 16px;
  font-family: var(--font-mono),sans-serif;
  font-size: 11px;
  letter-spacing: .08em;
  text-transform: uppercase;
  background: transparent;
  border: none;
  color: var(--black-800);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: all .2s;
  white-space: nowrap;
  font-weight: bold;
}

.nav-btn:hover {
  color: var(--gray-700)
}

.nav-btn.active {
  color: var(--black);
  background: var(--green-200);
  border-radius: 10px
}

#btn-arquivados {
  background: var(--black);
  color: var(--amber-500);
  border-color: var(--amber-500);
}

#btn-arquivados:hover {
  background: var(--amber-500);
  color: var(--black);
  border-color: var(--amber-500);
}

#btn-arquivados.active {
  background: var(--amber-500);
  color: var(--black);
  border-color: var(--amber-500);
}

.nav-sep {
  width: 1px;
  margin: 8px 6px;
  flex-shrink: 0
}

/* ── MAIN ────────────────────────────────────────── */
#main {
  background: var(--gray-200);
  max-width: 1600px;
  margin: 0 auto;
  padding: 24px 20px 60px
}

.section-header {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin: 28px 0 12px
}

.section-header h2 {
  font-family: var(--font-display), sans-serif;
  font-size: 22px;
  color: var(--black);
  font-weight: 700
}

.section-header .session-info {
  font-family: var(--font-mono), sans-serif;
  font-size: 11px;
  color: var(--black-800);
  letter-spacing: .05em;
  font-weight: bold;
}

.block-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 20px 0 8px
}

.block-header h3 {
  font-family: var(--font-display), sans-serif;
  font-size: 16px;
  color: var(--black);
  font-weight: 400;
  font-style: italic
}

.block-header .sub-tag {
  font-family: var(--font-mono), sans-serif;;
  font-size: 10px;
  padding: 2px 8px;
  border-radius: 3px;
  background: var(--black-800);
  color:var(--gray-200);
  border: 1px solid var(--black-800);
}

.block-header .gender-tag {
  font-family: var(--font-mono), sans-serif;;
  font-size: 10px;
  padding: 2px 8px;
  border-radius: 3px;
  background: var(--black-800);
  color:var(--gray-200);
  border: 1px solid var(--black-800);
}
.gender-tag {
  display: inline-block;
  font-family: var(--font-mono), sans-serif;
  font-size: 11px;
  font-weight: bold;
  padding: 4px 12px;
  border-radius: 4px;
  background: var(--white);
  color:var(--black-800);
  border: 1px solid var(--black-800);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 1px;

}
.block-divider{
  border:none;
  border-top:1px solid var(--black-800);
  margin:24px 0;
}

/* ── FILTRO DE CATEGORIAS (dropdown) ──────────────── */
.cat-filter {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 24px;
  padding: 16px;
  background: var(--white);
  color: var(--black);
  border-radius: 8px;
}

.filter-row {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 12px;
}

.filter-row-search {
  margin-top: 4px;
  display: grid;
  grid-template-columns: auto 1fr auto auto;
  align-items: center;
  gap: 12px;
}

.cat-filter-label {
  font-family: var(--font-mono), sans-serif;
  font-size: 11px;
  font-weight: 600;
  color: var(--black-800);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  white-space: nowrap;
}

.cat-filter-select {
  padding: 8px 12px;
  border: 1px solid var(--black-800);
  border-radius: 6px;
  font-size: 14px;
  font-family: inherit;
  background: var(--white);
  transition: border-color 0.2s;
  width: 100%;
}

.cat-filter-select:focus {
  outline: none;
  border-color: var(--green-500);
}

.cat-filter-input {
  padding: 8px 12px;
  border: 1px solid var(--black-800);
  border-radius: 6px;
  font-size: 14px;
  font-family: inherit;
  background: var(--white);
  transition: border-color 0.2s;
  width: 100%;
}

.cat-filter-input:focus {
  outline: none;
  border-color: var(--green-500);
}

.cat-filter-input::placeholder {
  color: var(--black-800);
}

.btn-search,
.btn-clear {
  padding: 8px 16px;
  border: none;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
  font-family: var(--font-mono), sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.btn-search {
  background: var(--green-700);
  color: var(--white);
}

.btn-search:hover {
  background: var(--green-500);
}

.btn-clear {
  background: var(--red-500);
  color: var(--white);
}

.btn-clear:hover {
  background: var(--red-700);
}
/* ── TABLE ───────────────────────────────────────── */
.table-wrap {
  overflow-x: auto;
  border-radius: var(--radius);
  border: 1px solid var(--black-800)
}

table {
  width: 100%;
  border-collapse: collapse;
  table-layout: auto
}

thead th {
  background: var(--black-800);
  font-family: var(--font-mono), sans-serif;
  font-size: 10px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--white);
  padding: 8px 10px;
  text-align: left;
  white-space: nowrap;
  border-bottom: 1px solid var(--black-800);
  font-weight: 500
}

thead th:first-child {
  width: 50px;
  text-align: center
}

thead th.col-cor {
  min-width: 180px;
  width: auto
}

thead th.col-esc {
  min-width: 200px;
  width: auto
}

thead th.col-bailarino {
  min-width: 150px;
  width: auto
}

thead th.col-coreo {
  min-width: 140px;
  width: auto
}

thead th.col-adapt {
  min-width: 150px;
  width: auto
}

thead th.col-data {
  min-width: 140px;
  width: auto;
  white-space: nowrap
}

thead th.col-status {
  width: 140px;
  text-align: center
}

thead th.col-edit {
  width: 180px;
  text-align: center
}

tbody tr {
  background: var(--white);
  border-bottom: 1px solid var(--black-800);
  transition: background .15s
}

tbody tr:last-child {
  border-bottom: none
}

tbody tr:hover {
  background: var(--gray-200);
}

tbody tr.is-presented {
  background: var(--green-200)
}

tbody tr.is-presented:hover {
  background: var(--green-200);
}

td {
  padding: 9px 10px;
  vertical-align: top;
  font-size: 13px;
  line-height: 1.4;
  color: var(--black);
}

td:first-child {
  text-align: center;
  font-family: var(--font-mono), sans-serif;
  font-size: 11px;
  color: var(--black);
  vertical-align: middle
}

td.td-cor {
  font-family: var(--font-display), sans-serif;
  font-size: 14px;
  color: var(--black);
}

td.td-esc {
  font-size: 12px;
  color: var(--black);
}

td.td-bailarino {
  font-size: 12px;
  color: var(--black);
}

td.td-coreo {
  font-size: 12px;
  color: var(--black);
}

td.td-adapt {
  font-size: 12px;
  color: var(--black);
}

td.td-data {
  font-size: 11px;
  color: var(--black);
  font-family: var(--font-mono), sans-serif;
  white-space: nowrap
}

td.td-status {
  text-align: center;
  vertical-align: middle
}

td.td-edit {
  text-align: left;
  vertical-align: middle;
  white-space: nowrap
}

.table-container {
  position: relative;
  margin-bottom: 16px;
}

.table-nav-buttons {
  display: flex;
  gap: 4px;
  justify-content: flex-end;
  margin-bottom: 8px;
}

.table-nav-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: transparent;
  border: 2px solid var(--black-800);
  color: var(--black-800);
  font-size: 16px;
  font-weight: bold;
  cursor: pointer;
  transition: all .2s;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
}

.table-nav-btn:hover {
  background: var(--black-800);
  color: var(--white);
}

.table-nav-btn:active {
  transform: scale(0.95);
}

.table-wrap {
  overflow-x: auto;
  border-radius: var(--radius);
  border: 1px solid var(--black-800);
  scroll-behavior: smooth;
}

/* ── BUTTONS ─────────────────────────────────────── */
.btn-status {
  font-family: var(--font-mono), sans-serif;
  font-size: 10px;
  letter-spacing: .05em;
  padding: 4px 8px;
  border-radius: 3px;
  cursor: pointer;
  border: 1px solid;
  transition: all .15s;
  white-space: nowrap;
  line-height: 1.4
}

.btn-status.not-presented {
  background: var(--gray-700);
  color: var(--white)
}

.btn-status.not-presented:hover {
  background: var(--gray-500);
}

.btn-status.presented {
  background: var(--green-500);
  color: var(--white)
}

.btn-status.presented:hover {
  background: var(--green-500);
}

.status-text {
  font-family: var(--font-mono), sans-serif;
  font-size: 10px;
  letter-spacing: .05em;
  color: var(--black-800);
  white-space: nowrap;
  font-weight: bold
}

.status-text.presented-text {
  color: var(--green-500);
  font-weight: bold
}

.btn-edit {
  cursor: pointer;
  font-family: var(--font-mono), sans-serif;
  font-size: 10px;
  padding: 4px 10px;
  border-radius: 3px;
  border: 1px solid var(--green-500);
  background: var(--green-500);
  color: var(--black);
  transition: all .15s;
  white-space: nowrap
}

.btn-edit:hover {
  background: var(--green-500);
  border-color: var(--green-500);
}

.btn-excluir {
  border: 1px solid var(--red-500) !important;
  background: var(--red-500) !important;
  color: var(--black) !important;
  margin-left: 4px
}

.btn-excluir:hover {
  background: var(--red-700) !important;
  border-color: var(--red-700) !important
}

.btn-arquivar {
  border: 1px solid var(--amber-500) !important;
  background: var(--amber-500) !important;
  color: var(--black) !important;
  margin-left: 4px
}

.btn-arquivar:hover {
  background: var(--amber-500) !important;
  border-color: var(--amber-500) !important
}

.cat-filter-input {
  padding: 8px 12px;
  border: 1px solid #ddd;
  border-radius: 6px;
  font-size: 14px;
  font-family: inherit;
  background: white;
  transition: border-color 0.2s;
  min-width: 200px;
}

.cat-filter-input:focus {
  outline: none;
  border-color: #4CAF50;
}

.cat-filter-input::placeholder {
  color: #999;
}

/* ── MODAL ───────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, .55);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  backdrop-filter: blur(4px);
  overflow-y: auto;
}

.modal-box {
  background: var(--black-800);
  border: 1px solid var(--black-800);
  border-radius: 6px;
  padding: 28px 32px;
  width: 100%;
  max-width: 420px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, .6);
  margin: auto;
}

.modal-box h2 {
  font-family: var(--font-display), sans-serif;
  font-size: 20px;
  color: var(--white);
  margin-bottom: 8px
}

.modal-box p {
  font-size: 13px;
  color: var(--white);
  margin-bottom: 16px
}

.modal-box input[type="password"] {
  width: 100%;
  padding: 10px 12px;
  background: var(--white);
  border: 1px solid var(--black-800);
  border-radius: 3px;
  color: var(--black-800);
  font-family: var(--font-mono), sans-serif;
  font-size: 14px;
  outline: none;
  transition: border-color .2s
}

.modal-box input[type="password"]:focus {
  border-color: var(--gray-200)
}

.modal-actions {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
  margin-top: 18px
}

/* Form modal */
.modal-form-box {
  max-width: 680px;
  max-height: 90vh;
  overflow-y: auto;
  margin: 20px auto;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px 16px;
  margin-top: 4px
}

.form-grid label {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-family: var(--font-mono), sans-serif;
  font-size: 10px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--gray-200)
}

.form-grid input,
.form-grid select {
  padding: 8px 10px;
  background: var(--gray-200);
  border: 1px solid var(--gray-200);
  border-radius: 3px;
  color: var(--black-800);
  font-family: var(--font-body), sans-serif;
  font-size: 13px;
  outline: none;
  transition: border-color .2s
}

.form-grid input:focus,
.form-grid select:focus {
  border-color: var(--black-800)
}

.form-grid select option {
  background: var(--gray-200)
}

.btn-prim {
  font-family: var(--font-mono), sans-serif;
  font-size: 11px;
  padding: 8px 20px;
  border-radius: 3px;
  cursor: pointer;
  border: 1px solid var(--green-500);
  background: var(--black-800);
  color: var(--green-500);
  transition: all .2s;
  letter-spacing: .05em
}

.btn-prim:hover {
  background: var(--green-700);
  color: var(--black-800);
}

.btn-sec {
  font-family: var(--font-mono), sans-serif;
  font-size: 11px;
  padding: 8px 16px;
  border-radius: 3px;
  cursor: pointer;
  border: 1px solid var(--red-500);
  background: transparent;
  color: var(--red-500);
  transition: all .2s;
  letter-spacing: .05em
}

.btn-sec:hover {
  background: var(--red-500);
  color: var(--black-800)
}

.modal-erro {
  color: var(--red-400);
  font-family: var(--font-mono), sans-serif;
  font-size: 11px;
  margin-top: 10px;
  text-align: right
}

/* ── HIDDEN ──────────────────────────────────────── */
.hidden{display:none!important}

/* ── RESPONSIVE ──────────────────────────────────────── */

/* ── 1200px: tabela começa a apertar ── */
@media (max-width: 1200px) {
  thead th.col-cor{min-width:160px}
  thead th.col-esc{min-width:180px}
  thead th.col-bailarino{min-width:140px}
  thead th.col-coreo{min-width:130px}
}

/* ── 1000px: reorganiza filtro de busca ── */
@media (max-width: 1000px) {
  .filter-row-search {
    display: flex;
    flex-direction: column;
    gap: 8px;
  }

  .cat-filter-label {
    width: 100%;
    text-align: left;
  }

  .cat-filter-input {
    width: 100%;
  }

  .btn-search {
    width: 100%;
  }

  .btn-clear {
    width: 100%;
  }

  .nav-arrow {
    display: flex;
  }
}

/* ── 900px: tablet ── */
@media (max-width: 900px) {
  table {
    min-width: 800px;
  }

  thead th.col-cor{min-width:140px}
  thead th.col-esc{min-width:160px}
  thead th.col-bailarino{min-width:130px}
  thead th.col-coreo{min-width:120px}

  /* Dashboard 2 colunas */
  .dashboard-inner {
    grid-template-columns: 1fr 1fr;
  }

  /* Form em coluna única */
  .form-grid {
    grid-template-columns: 1fr;
  }

  /* Section header empilha */
  .section-header {
    flex-wrap: wrap;
    gap: 6px;
  }

  .filter-row {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .filter-row-search {
    grid-template-columns: 1fr;
  }

  .search-buttons {
    flex-direction: column;
    width: 100%;
  }

  .cat-filter-label {
    margin-bottom: 4px;
  }

  .btn-search,
  .btn-clear {
    width: 100%;
  }

  .nav-arrow {
    display: flex;
  }
}

/* ── 700px: mobile grande ── */
@media (max-width: 700px) {
  /* Header */
  #header {
    position: sticky;
    top: 0;
    z-index: 101;
  }

  .header-inner {
    flex-wrap: wrap;
    height: auto;
    padding: 8px 12px;
    gap: 8px;
  }

  .logo {
    font-size: 17px;
  }

  .logo span {
    display: none;
  }

  .header-stats {
    display: flex;
    order: 3;
    width: 100%;
    gap: 6px;
    flex-wrap: wrap;
    margin-left: 0;
  }

  .stat-pill {
    font-size: 10px;
    padding: 3px 8px;
  }

  .header-actions {
    margin-left: auto;
  }

  /* Nav sticky - mantém comportamento igual ao desktop */
  /* O header no mobile tem aproximadamente 74px de altura (linha logo/ações ~32px + stats ~34px + padding) */
  /* Mas como as alturas podem variar, usamos position sticky normalmente que ele se ajusta */
  #nav {
    position: sticky;
    top: 87px;
    z-index: 90;
  }

  /* Mostra setas de navegação no mobile */
  .nav-arrow {
    display: flex;
  }

  .nav-inner {
    padding: 0 8px;
  }

  /* Dashboard 1 coluna */
  .dashboard-inner {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  /* Relógio menor */
  .dash-clock .time-display {
    font-size: 22px;
  }

  /* Main padding menor */
  #main {
    padding: 16px 12px 48px;
  }

  #dashboard {
    padding: 12px;
  }

  /* Section header */
  .section-header h2 {
    font-size: 18px;
  }

  .section-header .session-info {
    font-size: 10px;
  }

  /* Botões de status menores */
  .btn-status {
    font-size: 9px;
    padding: 3px 6px;
  }

  /* Modal */
  .modal-box {
    padding: 20px 16px;
  }

  .modal-form-box {
    max-width: 100%;
  }
}

/* ── 600px: mobile médio ── */
@media (max-width: 600px) {
  .header-stats {
    margin-top: 10px;
    margin-bottom: 10px;
  }

  .modal-box {
    padding: 18px 14px;
  }

  /* Nav */
  .nav-btn {
    padding: 8px 12px;
    font-size: 10px;
  }

  .nav-arrow {
    width: 32px;
    height: 32px;
    font-size: 14px;
    margin: 0 2px;
  }

  /* Block header empilha */
  .block-header {
    flex-wrap: wrap;
    gap: 6px;
  }
}

/* ── 420px: mobile pequeno ── */
@media (max-width: 420px) {
  .logo {
    font-size: 15px;
  }

  #header button {
    font-size: 10px;
    padding: 4px 10px;
  }

  .dash-clock .time-display {
    font-size: 20px;
  }

  .nav-arrow {
    width: 28px;
    height: 28px;
    font-size: 12px;
  }
}

/* Loading Overlay */
#loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

#loading-overlay.show {
  opacity: 1;
  visibility: visible;
}

.loading-spinner {
  text-align: center;
  color: white;
}

.spinner {
  width: 50px;
  height: 50px;
  margin: 0 auto 20px;
  border: 4px solid rgba(255, 255, 255, 0.3);
  border-top: 4px solid white;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.loading-message {
  font-size: 16px;
  font-weight: 500;
  color: white;
  margin-top: 10px;
}

/* Button Loading Spinner */
.btn-spinner {
  display: inline-block;
  width: 12px;
  height: 12px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top: 2px solid white;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  vertical-align: middle;
  margin-right: 5px;
}

/* Desabilita interação durante loading */
button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.no-results {
  text-align: center;
  padding: 40px 20px;
  margin: 40px auto;
  width: 100%;
  background: var(--white);
  border-radius: 12px;
}

.no-results h3 {
  color: #495057;
  font-size: 20px;
  margin-bottom: 12px;
  font-weight: 600;
}

.no-results p {
  color: #6c757d;
  font-size: 14px;
  line-height: 1.6;
}