:root {
  --bg: #0b1020;
  --bg-soft: #111827;
  --panel: #172033;
  --panel-alt: #1f2937;
  --primary: #f59e0b;
  --primary-dark: #d97706;
  --cream: #f4e8d0;
  --pole-red: #b93643;
  --pole-blue: #315d78;
  --text: #f8fafc;
  --muted: #cbd5e1;
  --success: #22c55e;
  --danger: #ef4444;
  --border: rgba(255, 255, 255, 0.08);
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.28);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: linear-gradient(135deg, var(--bg), var(--bg-soft));
  color: var(--text);
}

button, input, textarea, select {
  font: inherit;
}

.auth-screen {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.auth-card {
  width: min(500px, 100%);
  background: rgba(17, 24, 39, 0.96);
  border: 1px solid var(--border);
  border-radius: 22px;
  padding: 30px 26px;
  box-shadow: var(--shadow);
}

.auth-header h1 {
  margin: 0 0 8px;
  font-size: 2.1rem;
}

.auth-header p {
  margin: 0 0 20px;
  color: var(--muted);
}

.auth-tabs {
  display: flex;
  gap: 12px;
  margin-bottom: 18px;
}

.auth-tab {
  flex: 1;
  background: var(--panel-alt);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px 16px;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.15s ease;
}

.auth-tab.active {
  background: linear-gradient(135deg, var(--primary), #fbbf24);
  color: #111827;
  font-weight: bold;
}

.auth-tab:hover {
  transform: translateY(-1px);
}

.auth-pane {
  display: none;
}

.auth-pane.active {
  display: block;
}

form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

input, textarea, select {
  width: 100%;
  background: #0b1220;
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px 14px;
}

input:focus, textarea:focus, select:focus {
  outline: 2px solid rgba(245, 158, 11, 0.45);
  border-color: rgba(245, 158, 11, 0.6);
}

button {
  background: linear-gradient(135deg, var(--primary), #fbbf24);
  color: #111827;
  border: none;
  border-radius: 12px;
  padding: 12px 16px;
  font-weight: bold;
  cursor: pointer;
  transition: transform 0.15s ease, filter 0.15s ease;
}

button:hover {
  filter: brightness(1.06);
  transform: translateY(-1px);
}

.message {
  min-height: 18px;
  margin-top: 12px;
  color: var(--muted);
}

.message.error {
  color: var(--danger);
}

.message.success {
  color: var(--success);
}

.hidden {
  display: none !important;
}

.dashboard {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: 240px;
  background: rgba(15, 23, 42, 0.96);
  border-right: 1px solid var(--border);
  padding: 20px 16px;
  display: flex;
  flex-direction: column;
}

.brand h2 {
  margin: 0 0 18px;
  font-size: 1.6rem;
}

.nav-menu {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.nav-btn {
  width: 100%;
  text-align: left;
  background: transparent;
  color: var(--text);
  border: 1px solid transparent;
  padding: 12px 14px;
  border-radius: 10px;
}

.nav-btn.active {
  background: rgba(245, 158, 11, 0.2);
  border-color: rgba(245, 158, 11, 0.6);
  color: var(--primary);
}

.logout-btn {
  margin-top: auto;
  background: rgba(239, 68, 68, 0.12);
  color: #fca5a5;
}

.main-panel {
  flex: 1;
  padding: 24px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.topbar h3 {
  margin: 0;
  font-size: 1.7rem;
}

.topbar p {
  margin: 4px 0 0;
  color: var(--muted);
}

.user-badge {
  background: rgba(245, 158, 11, 0.14);
  border: 1px solid rgba(245, 158, 11, 0.5);
  color: var(--primary);
  padding: 8px 12px;
  border-radius: 999px;
  font-weight: bold;
}

.view {
  display: none;
}

.view.active {
  display: block;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin-bottom: 22px;
}

.stat-card, .panel-box {
  background: rgba(23, 32, 51, 0.96);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 20px;
  box-shadow: 0 12px 24px rgba(0,0,0,0.12);
}

.stat-card span {
  color: var(--muted);
  display: block;
  margin-bottom: 8px;
}

.stat-card strong {
  font-size: 2rem;
}

.panel-box {
  margin-top: 16px;
}

.panel-box h4 {
  margin-top: 0;
}

.inline-form {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
}

.inline-form textarea {
  grid-column: 1 / -1;
  min-height: 96px;
}

.compact {
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
}

.list-box {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 12px;
}

.list-item {
  background: rgba(255,255,255,0.025);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px 14px;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
}

.list-item strong {
  display: block;
  margin-bottom: 3px;
}

.list-item small {
  color: var(--muted);
}

.badge {
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 0.8rem;
  background: rgba(34, 197, 94, 0.14);
  color: #86efac;
  white-space: nowrap;
}

.appointment-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: 8px;
}

.complete-booking {
  padding: 8px 11px;
  border: 1px solid rgba(34, 197, 94, 0.35);
  background: rgba(34, 197, 94, 0.14);
  color: #86efac;
  font-size: 0.78rem;
}

.complete-booking:hover:not(:disabled) {
  background: rgba(34, 197, 94, 0.25);
}

.complete-booking:disabled {
  cursor: wait;
  opacity: 0.65;
}

.status-realizado {
  background: rgba(34, 197, 94, 0.2);
  color: #86efac;
}

@media (max-width: 900px) {
  .dashboard {
    flex-direction: column;
  }

  .sidebar {
    width: 100%;
    border-right: none;
    border-bottom: 1px solid var(--border);
  }
}

/* Identidade visual inspirada na faixa clássica da barbearia */
body {
  background:
    radial-gradient(ellipse at 82% 8%, rgba(185, 54, 67, 0.12), transparent 32%),
    radial-gradient(ellipse at 5% 90%, rgba(49, 93, 120, 0.16), transparent 36%),
    linear-gradient(135deg, var(--bg), var(--bg-soft));
}

.landing-body {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: clamp(18px, 4vw, 56px);
  overflow-x: hidden;
}

.landing {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  width: min(1120px, 100%);
  padding: clamp(24px, 5vw, 58px);
  border: 1px solid rgba(244, 232, 208, 0.12);
  border-radius: 28px;
  background: linear-gradient(145deg, rgba(24, 31, 47, 0.98), rgba(13, 19, 32, 0.98));
  box-shadow: 0 34px 100px rgba(0, 0, 0, 0.46);
}

.landing::before {
  position: absolute;
  z-index: -1;
  top: 0;
  left: 0;
  width: 100%;
  height: 5px;
  background: repeating-linear-gradient(90deg, var(--pole-red) 0 28px, var(--cream) 28px 56px, var(--pole-blue) 56px 84px, var(--cream) 84px 112px);
  content: "";
}

.landing::after {
  position: absolute;
  z-index: -1;
  top: 150px;
  right: -170px;
  width: 480px;
  height: 480px;
  border: 1px solid rgba(244, 232, 208, 0.045);
  border-radius: 50%;
  box-shadow: 0 0 0 36px rgba(244, 232, 208, 0.018), 0 0 0 72px rgba(244, 232, 208, 0.012);
  content: "";
}

.landing-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--cream);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.18em;
}

.landing-brand small {
  display: block;
  margin-top: 5px;
  color: #9ca3af;
  font-size: 0.58rem;
  letter-spacing: 0.22em;
}

.brand-emblem,
.landing-card-icon {
  display: grid;
  place-items: center;
  color: var(--primary);
  background: rgba(245, 158, 11, 0.1);
  border: 1px solid rgba(245, 158, 11, 0.22);
}

.brand-emblem {
  width: 46px;
  height: 46px;
  border-radius: 15px;
}

.brand-emblem svg,
.landing-card-icon svg {
  width: 26px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2.3;
}

.landing-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 220px;
  align-items: center;
  min-height: 290px;
  gap: 24px;
}

.hero-copy {
  padding: 40px 0 34px;
}

.eyebrow,
.card-label {
  color: var(--primary);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.18em;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
}

.eyebrow i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--pole-red);
  box-shadow: 0 0 12px rgba(185, 54, 67, 0.8);
}

.hero-copy h1 {
  max-width: 660px;
  margin: 18px 0 14px;
  color: var(--cream);
  font-family: Georgia, serif;
  font-size: clamp(2.5rem, 6vw, 4.7rem);
  font-weight: 500;
  letter-spacing: -0.055em;
  line-height: 0.99;
}

.hero-copy h1 em {
  color: var(--primary);
  font-weight: 500;
}

.hero-copy p {
  max-width: 490px;
  margin: 0;
  color: #aeb7c6;
  font-size: 1.04rem;
  line-height: 1.7;
}

.hero-illustration {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 260px;
}

.hero-orbit {
  position: absolute;
  width: 205px;
  height: 205px;
  border: 1px solid rgba(244, 232, 208, 0.1);
  border-radius: 50%;
  box-shadow: 0 0 0 16px rgba(244, 232, 208, 0.025), 0 0 0 34px rgba(244, 232, 208, 0.018);
}

.barber-pole {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  filter: drop-shadow(0 18px 24px rgba(0, 0, 0, 0.4));
  transform: rotate(9deg);
}

.pole-cap {
  z-index: 2;
  display: block;
  width: 76px;
  height: 12px;
  border: 2px solid #d1b176;
  background: linear-gradient(90deg, #75552b, #e2c487 48%, #8d6d3e);
}

.pole-cap-top { border-radius: 10px 10px 3px 3px; }
.pole-cap-bottom { border-radius: 3px 3px 10px 10px; }

.pole-glass {
  position: relative;
  display: block;
  width: 60px;
  height: 166px;
  overflow: hidden;
  border: 5px solid #ead8b3;
  border-radius: 20px;
  background: #f7f2e8;
  box-shadow: inset 0 0 0 2px rgba(22, 30, 44, 0.3), 0 0 25px rgba(255, 255, 255, 0.16);
}

.pole-glass b {
  position: absolute;
  inset: -35px -20px;
  background: repeating-linear-gradient(132deg, var(--pole-red) 0 16px, #f7f2e8 16px 32px, var(--pole-blue) 32px 48px, #f7f2e8 48px 64px);
  animation: pole-scroll 8s linear infinite;
}

.pole-base {
  display: block;
  width: 36px;
  height: 27px;
  border: 2px solid #c4a46b;
  border-top: 0;
  border-radius: 0 0 8px 8px;
  background: linear-gradient(90deg, #564326, #d8bd88 48%, #6c532e);
}

.hero-star {
  position: absolute;
  color: var(--primary);
}

.hero-star-one { top: 32px; right: 26px; font-size: 1.4rem; }
.hero-star-two { bottom: 35px; left: 13px; color: var(--cream); font-size: 2rem; }

.landing-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.landing-card {
  position: relative;
  min-height: 230px;
  padding: 25px;
  overflow: hidden;
  border: 1px solid rgba(244, 232, 208, 0.1);
  border-radius: 18px;
  background: linear-gradient(145deg, rgba(37, 45, 59, 0.88), rgba(23, 31, 46, 0.92));
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.landing-card::after {
  position: absolute;
  right: -28px;
  bottom: -50px;
  width: 150px;
  height: 150px;
  border: 1px solid rgba(244, 232, 208, 0.06);
  border-radius: 50%;
  box-shadow: 0 0 0 14px rgba(244, 232, 208, 0.02), 0 0 0 28px rgba(244, 232, 208, 0.015);
  content: "";
}

.landing-card:hover {
  transform: translateY(-4px);
  border-color: rgba(245, 158, 11, 0.4);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.22);
}

.landing-card-icon {
  width: 48px;
  height: 48px;
  margin-bottom: 19px;
  border-radius: 14px;
}

.landing-card-icon svg { width: 27px; }

.client-card .landing-card-icon {
  color: #9fc5d7;
  background: rgba(49, 93, 120, 0.2);
  border-color: rgba(106, 162, 191, 0.25);
}

.landing-card h2 {
  position: relative;
  z-index: 1;
  margin: 8px 0;
  color: var(--cream);
  font-family: Georgia, serif;
  font-size: 1.42rem;
  font-weight: 500;
}

.landing-card p {
  position: relative;
  z-index: 1;
  max-width: 370px;
  margin: 0;
  color: #aeb7c6;
  font-size: 0.92rem;
  line-height: 1.6;
}

.landing-card a {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  gap: 18px;
  margin-top: 18px;
  padding: 11px 15px;
  border: 1px solid rgba(245, 158, 11, 0.28);
  border-radius: 10px;
  background: rgba(245, 158, 11, 0.1);
  color: #ffd27a;
  font-size: 0.88rem;
  font-weight: 700;
  text-decoration: none;
  transition: background 160ms ease, color 160ms ease;
}

.landing-card a:hover {
  background: var(--primary);
  color: #17130d;
}

.landing-card a span { font-size: 1.1rem; }

.landing-footer {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 12px;
  margin-top: 25px;
  color: #7f8999;
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-align: center;
}

.landing-footer span { color: var(--primary); }

@keyframes pole-scroll {
  to { background-position: 0 64px; }
}

.auth-screen {
  position: relative;
  isolation: isolate;
  overflow: hidden;
}

.auth-screen::before {
  position: absolute;
  z-index: -1;
  top: 50%;
  right: clamp(24px, 8vw, 130px);
  width: 18px;
  height: 180px;
  border: 4px solid rgba(244, 232, 208, 0.72);
  border-radius: 14px;
  background: repeating-linear-gradient(132deg, var(--pole-red) 0 12px, #f7f2e8 12px 24px, var(--pole-blue) 24px 36px, #f7f2e8 36px 48px);
  box-shadow: 0 0 0 8px rgba(244, 232, 208, 0.04), 0 20px 45px rgba(0, 0, 0, 0.2);
  content: "";
  opacity: 0.5;
  transform: translateY(-50%) rotate(12deg);
}

.auth-card {
  position: relative;
  overflow: hidden;
}

.auth-card::before {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 5px;
  background: repeating-linear-gradient(90deg, var(--pole-red) 0 18px, var(--cream) 18px 36px, var(--pole-blue) 36px 54px, var(--cream) 54px 72px);
  content: "";
}

.auth-header h1 {
  color: var(--cream);
  font-family: Georgia, serif;
}

.auth-header h1::before {
  display: block;
  margin-bottom: 10px;
  color: var(--primary);
  content: "✂";
  font-family: Arial, sans-serif;
  font-size: 1.25rem;
}

.sidebar {
  position: relative;
  overflow: hidden;
}

.sidebar::before {
  position: absolute;
  top: 0;
  right: 0;
  width: 4px;
  height: 100%;
  background: repeating-linear-gradient(180deg, var(--pole-red) 0 20px, var(--cream) 20px 40px, var(--pole-blue) 40px 60px, var(--cream) 60px 80px);
  content: "";
  opacity: 0.72;
}

.brand h2 {
  color: var(--cream);
  font-family: Georgia, serif;
}

.brand h2::before {
  margin-right: 8px;
  color: var(--primary);
  content: "✂";
  font-family: Arial, sans-serif;
  font-size: 1.2rem;
}

.topbar h3 {
  color: var(--cream);
  font-family: Georgia, serif;
}

.stat-card {
  position: relative;
  overflow: hidden;
  border-top: 2px solid rgba(245, 158, 11, 0.62);
}

.stat-card::after {
  position: absolute;
  top: 12px;
  right: 16px;
  color: rgba(245, 158, 11, 0.16);
  content: "✂";
  font-size: 2.5rem;
  transform: rotate(-24deg);
}

.stat-card:nth-child(1)::after { content: "◷"; }
.stat-card:nth-child(2)::after { content: "✂"; }
.stat-card:nth-child(3)::after { content: "♙"; }
.stat-card:nth-child(4)::after { content: "✦"; }

.panel-box {
  position: relative;
  overflow: hidden;
}

.panel-box::before {
  display: block;
  width: 44px;
  height: 3px;
  margin-bottom: 15px;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--pole-red) 0 33%, var(--cream) 33% 66%, var(--pole-blue) 66%);
  content: "";
}

.panel-box h4 {
  color: var(--cream);
  font-family: Georgia, serif;
  font-size: 1.12rem;
}

select { color-scheme: dark; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

@media (max-width: 900px) {
  .nav-menu {
    flex-direction: row;
    flex-wrap: wrap;
  }

  .nav-btn {
    width: auto;
    flex: 1 1 125px;
  }

  .logout-btn {
    margin-top: 10px;
  }

  .sidebar::before {
    top: auto;
    right: 0;
    bottom: 0;
    width: 100%;
    height: 4px;
    background: repeating-linear-gradient(90deg, var(--pole-red) 0 20px, var(--cream) 20px 40px, var(--pole-blue) 40px 60px, var(--cream) 60px 80px);
  }
}

@media (max-width: 640px) {
  .landing-body {
    align-items: start;
    padding: 14px;
  }

  .landing { border-radius: 20px; }

  .landing-hero {
    grid-template-columns: minmax(0, 1fr) 90px;
    min-height: 250px;
    gap: 4px;
  }

  .hero-copy { padding: 32px 0; }

  .hero-copy h1 { font-size: clamp(2.15rem, 11vw, 3.1rem); }
  .hero-copy p { font-size: 0.9rem; }

  .hero-illustration {
    min-height: 190px;
    transform: scale(0.68);
    transform-origin: center;
  }

  .landing-grid { grid-template-columns: 1fr; }
  .landing-card { min-height: 0; }

  .landing-footer {
    font-size: 0.52rem;
    line-height: 1.7;
  }

  .auth-screen::before {
    right: -6px;
    opacity: 0.22;
  }

  .main-panel { padding: 18px 14px; }

  .topbar {
    align-items: flex-start;
    gap: 12px;
  }

  .user-badge {
    max-width: 42%;
    overflow-wrap: anywhere;
    font-size: 0.75rem;
  }
}