/* ── AbsensiKu — Impeccable Swiss Metro ─────────────────────────── */
/* A stark, utilitarian, grid-driven, high-contrast design system.  */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;600;700&family=Inter:wght@400;500;600;700&family=Space+Mono:ital,wght@0,400;0,700;1,400;1,700&display=swap');

:root {
  /* Core Colors */
  --ground:          #09090b;
  --surface:         #121214;
  --border:          #27272a;
  --border-strong:   #52525b;
  
  --text-main:       #f4f4f5;
  --text-muted:      #a1a1aa;
  
  /* Brand Accents (Vibrant, flat) */
  --emerald:         #10b981;
  --emerald-hover:   #059669;
  --orange:          #f97316;
  --orange-hover:    #ea580c;
  --yellow:          #eab308;
  
  /* Geometry */
  --radius:          0px;
  --border-width:    1px;
  
  /* Transitions */
  --transition:      150ms cubic-bezier(0, 0, 0.2, 1);
  
  /* Fonts */
  --font-display:    'Space Grotesk', system-ui, sans-serif;
  --font-body:       'Inter', system-ui, sans-serif;
  --font-mono:       'Space Mono', monospace;
}

/* ── Reset & Document ────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.5;
  background: var(--ground);
  color: var(--text-main);
  -webkit-font-smoothing: antialiased;
}

body {
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}

::selection { background: var(--emerald); color: var(--ground); }
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--ground); border-left: var(--border-width) solid var(--border); }
::-webkit-scrollbar-thumb { background: var(--border-strong); }
::-webkit-scrollbar-thumb:hover { background: var(--emerald); }

/* ── Typography ──────────────────────────────────────────────────── */
h1, h2, h3, h4, h5, h6 { 
  font-family: var(--font-display); 
  font-weight: 700; 
  text-transform: uppercase; 
  letter-spacing: -0.04em; 
  line-height: 1.1; 
}

h1 { font-size: clamp(2.5rem, 6vw, 5rem); }
h2 { font-size: clamp(1.75rem, 4vw, 3rem); }
h3 { font-size: clamp(1.25rem, 3vw, 1.75rem); }
h4 { font-size: 1.25rem; }

.mono-text { font-family: var(--font-mono); }

/* ── Layout & Containers ─────────────────────────────────────────── */
.container {
  width: 100%; max-width: 1400px;
  margin: 0 auto; padding: clamp(1rem, 4vw, 2rem);
}

.grid-layout {
  display: grid;
  background: var(--border);
  gap: var(--border-width);
  border: var(--border-width) solid var(--border);
  margin-bottom: 2rem;
}

.grid-cell {
  background: var(--surface);
  padding: clamp(1.5rem, 4vw, 3rem);
}

/* ── Components: Buttons ─────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.75rem;
  min-height: 48px; padding: 0.75rem 1.5rem;
  font-family: var(--font-display); font-size: 0.875rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.05em;
  border: var(--border-width) solid transparent; border-radius: var(--radius);
  background: transparent; color: var(--text-main);
  cursor: pointer; transition: all var(--transition); user-select: none;
}
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn:active:not(:disabled) { transform: translateY(2px); }

.btn-primary { background: var(--emerald); color: var(--ground); }
@media (hover: hover) { .btn-primary:hover:not(:disabled) { background: var(--emerald-hover); } }

.btn-secondary { background: var(--surface); border-color: var(--border-strong); }
@media (hover: hover) { .btn-secondary:hover:not(:disabled) { background: var(--text-main); color: var(--ground); border-color: var(--text-main); } }

.btn-danger { background: var(--orange); color: var(--ground); }
@media (hover: hover) { .btn-danger:hover:not(:disabled) { background: var(--orange-hover); } }

.btn-ghost { border-color: transparent; color: var(--text-muted); }
@media (hover: hover) { .btn-ghost:hover:not(:disabled) { background: var(--text-main); color: var(--ground); } }

.btn-lg { padding: 1rem 2rem; font-size: 1.125rem; min-height: 60px; }
.btn-icon { padding: 0.5rem; width: 3rem; height: 3rem; }

/* ── Components: Inputs ──────────────────────────────────────────── */
.input-group { display: flex; flex-direction: column; gap: 0.5rem; margin-bottom: 1.5rem; }
.input-group label { 
  font-family: var(--font-display); font-size: 0.75rem; font-weight: 700; 
  text-transform: uppercase; letter-spacing: 0.05em; color: var(--text-muted); 
}
.input-field {
  background: var(--ground); border: var(--border-width) solid var(--border-strong);
  border-radius: var(--radius); padding: 1rem;
  font-family: var(--font-mono); font-size: 0.875rem; color: var(--text-main);
  transition: border-color var(--transition);
}
.input-field::placeholder { color: var(--border-strong); }
.input-field:focus { outline: none; border-color: var(--emerald); }
.input-field.error { border-color: var(--orange); }

/* ── Components: Badges ──────────────────────────────────────────── */
.badge {
  display: inline-flex; align-items: center; padding: 0.25rem 0.5rem;
  font-family: var(--font-display); font-size: 0.6875rem; font-weight: 700; 
  text-transform: uppercase; letter-spacing: 0.05em;
  border: var(--border-width) solid transparent;
}
.badge-success { background: var(--emerald); color: var(--ground); }
.badge-warning { background: var(--yellow); color: var(--ground); }
.badge-danger { background: var(--orange); color: var(--ground); }
.badge-info { border-color: var(--border-strong); color: var(--text-main); }

/* ── Tables (Strict Grid) ────────────────────────────────────────── */
.table-wrap {
  width: 100%; overflow-x: auto; -webkit-overflow-scrolling: touch;
  border: var(--border-width) solid var(--border);
  background: var(--surface);
}
.data-table { width: 100%; border-collapse: collapse; white-space: nowrap; font-family: var(--font-body); }
.data-table th, .data-table td { 
  padding: 1rem 1.5rem; text-align: left; 
  border-bottom: var(--border-width) solid var(--border); 
}
.data-table th { 
  background: var(--ground); 
  font-family: var(--font-display); font-weight: 700; font-size: 0.75rem; 
  text-transform: uppercase; letter-spacing: 0.05em; color: var(--text-muted); 
  border-bottom: 2px solid var(--border-strong);
}
.data-table tbody tr:last-child td { border-bottom: none; }
@media (hover: hover) { .data-table tbody tr:hover { background: var(--ground); } }
.data-table .mono { font-family: var(--font-mono); font-size: 0.875rem; }

/* Mobile Card Layout for Tables */
@media (max-width: 768px) {
  .data-table, .data-table tbody, .data-table tr, .data-table td { display: block; width: 100%; }
  .data-table thead { display: none; }
  .data-table tr { border-bottom: 4px solid var(--ground); }
  .data-table tr:last-child { border-bottom: none; }
  .data-table td {
    display: flex; justify-content: space-between; align-items: center;
    border-bottom: var(--border-width) solid var(--border); padding: 1rem 1.25rem; text-align: right; white-space: normal;
  }
  .data-table td:last-child { border-bottom: none; }
  .data-table td::before { 
    content: attr(data-label); 
    font-family: var(--font-display); font-weight: 700; text-transform: uppercase; 
    letter-spacing: 0.05em; color: var(--text-muted); font-size: 0.6875rem; text-align: left; padding-right: 1rem;
  }
}

/* ── Topbar ──────────────────────────────────────────────────────── */
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 1rem 2rem; background: var(--ground);
  border-bottom: var(--border-width) solid var(--border);
}
.topbar-brand { 
  display: flex; align-items: center; gap: 0.75rem; 
  font-family: var(--font-display); font-weight: 700; font-size: 1.25rem; letter-spacing: -0.04em; 
}
.topbar-brand svg { color: var(--emerald); stroke-width: 3; }
.topbar-right { display: flex; align-items: center; gap: 1.5rem; }
.topbar-user { display: flex; align-items: center; gap: 1rem; text-align: right; }
.topbar-avatar {
  width: 2.5rem; height: 2.5rem; background: var(--text-main); color: var(--ground);
  display: flex; align-items: center; justify-content: center; 
  font-family: var(--font-display); font-weight: 700; font-size: 1.125rem;
}

@media (max-width: 600px) {
  .topbar { padding: 1rem; }
  .topbar-user > div:first-child { display: none; }
}

/* ── Clock Button (Brutalist Strict) ─────────────────────────────── */
.clock-btn {
  position: relative; width: clamp(200px, 50vw, 280px); height: clamp(200px, 50vw, 280px);
  background: var(--ground); border: 4px solid var(--emerald);
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 1.5rem;
  cursor: pointer; transition: all 100ms linear; border-radius: var(--radius); margin-inline: auto;
}
.clock-btn:active:not(:disabled) { transform: translate(4px, 4px); box-shadow: none; }
.clock-btn:disabled { border-color: var(--border-strong); cursor: not-allowed; }

@media (hover: hover) { 
  .clock-btn:hover:not(:disabled) { background: var(--emerald); color: var(--ground); } 
  .clock-btn:hover:not(:disabled) .clock-icon { color: var(--ground); }
  .clock-btn:hover:not(:disabled) .clock-label { color: var(--ground); }
}

.clock-btn .clock-icon { font-size: 4rem; color: var(--emerald); transition: color 100ms linear; }
.clock-btn .clock-icon svg { stroke-width: 2.5; }
.clock-btn .clock-label { 
  font-family: var(--font-display); font-size: 1.5rem; font-weight: 700; 
  color: var(--text-main); letter-spacing: 0.05em; text-transform: uppercase; 
  transition: color 100ms linear;
}

.clock-btn.clock-out { border-color: var(--orange); }
.clock-btn.clock-out .clock-icon { color: var(--orange); }
@media (hover: hover) { 
  .clock-btn.clock-out:hover:not(:disabled) { background: var(--orange); } 
}

/* ── Live Display (Dashboard) ────────────────────────────────────── */
.live-display { display: flex; flex-direction: column; align-items: center; margin-bottom: 3rem; }
.live-time { 
  font-family: var(--font-mono); font-size: clamp(3.5rem, 10vw, 6rem); 
  font-weight: 700; line-height: 1; letter-spacing: -0.05em; color: var(--text-main); 
}
.live-date { 
  font-family: var(--font-display); font-size: clamp(1rem, 3vw, 1.25rem); 
  font-weight: 700; text-transform: uppercase; color: var(--emerald); letter-spacing: 0.02em; 
  margin-bottom: 0.5rem;
}

.gps-status {
  display: inline-flex; align-items: center; gap: 0.75rem; margin-top: 2rem;
  padding: 0.75rem 1.25rem; background: var(--ground); border: var(--border-width) solid var(--border);
  font-family: var(--font-mono); font-size: 0.75rem; font-weight: 700; color: var(--text-muted); text-transform: uppercase;
}
.gps-dot { width: 12px; height: 12px; background: var(--border-strong); }
.gps-dot.active { background: var(--emerald); }
.gps-dot.error { background: var(--orange); }

/* ── Admin Stats ─────────────────────────────────────────────────── */
.stat-cards { 
  display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); 
  gap: var(--border-width); background: var(--border); border: var(--border-width) solid var(--border); 
  margin-bottom: 2rem; 
}
.stat-card {
  background: var(--surface); padding: 2rem;
  display: flex; flex-direction: column; gap: 0.5rem;
}
.stat-value { font-family: var(--font-mono); font-size: 3rem; font-weight: 700; line-height: 1; letter-spacing: -0.05em; }
.stat-label { font-family: var(--font-display); font-size: 0.75rem; font-weight: 700; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.05em; }

/* ── Toasts & Modals ─────────────────────────────────────────────── */
.toast-container { position: fixed; bottom: 2rem; right: 2rem; z-index: 100; display: flex; flex-direction: column; gap: 0.5rem; pointer-events: none; }
@media (max-width: 600px) { .toast-container { left: 1rem; right: 1rem; bottom: 1rem; } }
.toast {
  pointer-events: auto; background: var(--text-main); color: var(--ground);
  border: var(--border-width) solid var(--text-main); padding: 1rem 1.5rem;
  display: flex; align-items: center; gap: 0.75rem; 
  font-family: var(--font-display); font-size: 0.875rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em;
  animation: slide-up 150ms cubic-bezier(0, 0, 0.2, 1);
}
.toast-success { background: var(--emerald); border-color: var(--emerald); }
.toast-error { background: var(--orange); border-color: var(--orange); }
.toast-warning { background: var(--yellow); border-color: var(--yellow); color: var(--ground); }
@keyframes slide-up { from { opacity: 0; transform: translateY(1rem); } to { opacity: 1; transform: translateY(0); } }

.loading-overlay {
  position: fixed; inset: 0; z-index: 200; background: var(--ground);
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2rem;
  transition: opacity 150ms;
}
.loading-overlay.hidden { opacity: 0; pointer-events: none; }
.spinner {
  width: 3rem; height: 3rem; border: 4px solid var(--border-strong); border-top-color: var(--emerald);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}
@keyframes spin { 100% { transform: rotate(360deg); } }

/* ── Helpers ─────────────────────────────────────────────────────── */
.hidden { display: none !important; }
.text-center { text-align: center; }
.w-full { width: 100%; }
.mt-4 { margin-top: 1rem; }
.mb-4 { margin-bottom: 1rem; }

/* ── Auth Layout ─────────────────────────────────────────────────── */
.auth-wrapper { display: flex; flex-direction: column; min-height: 100dvh; }
@media (min-width: 900px) { .auth-wrapper { flex-direction: row; } }
.auth-panel-hero {
  flex: 1; padding: clamp(2rem, 5vw, 4rem); display: flex; flex-direction: column; justify-content: center;
  background: var(--emerald); color: var(--ground);
}
.auth-panel-hero h1 { font-size: clamp(3rem, 8vw, 6rem); margin-bottom: 1rem; color: var(--ground); }
.auth-panel-hero p { font-family: var(--font-mono); font-size: clamp(1rem, 2vw, 1.25rem); font-weight: 700; text-transform: uppercase; }
.auth-panel-form { flex: 1; padding: 2rem; display: flex; align-items: center; justify-content: center; background: var(--surface); }
.auth-form-container { width: 100%; max-width: 420px; }
.auth-tabs { display: flex; border: var(--border-width) solid var(--border-strong); margin-bottom: 2rem; }
.auth-tab { 
  flex: 1; padding: 1rem; font-family: var(--font-display); font-size: 0.875rem; font-weight: 700; 
  color: var(--text-muted); background: transparent; border: none; text-transform: uppercase; letter-spacing: 0.05em;
  cursor: pointer; transition: all 100ms; 
}
.auth-tab.active { background: var(--text-main); color: var(--ground); }
.auth-divider { 
  display: flex; align-items: center; text-align: center; margin: 2rem 0; 
  font-family: var(--font-display); font-size: 0.75rem; font-weight: 700; text-transform: uppercase; color: var(--border-strong); letter-spacing: 0.05em; 
}
.auth-divider::before, .auth-divider::after { content: ''; flex: 1; border-bottom: var(--border-width) solid var(--border-strong); }
.auth-divider:not(:empty)::before { margin-right: 1rem; }
.auth-divider:not(:empty)::after { margin-left: 1rem; }