/* ═══════════════════════════════════════════════════════════
   Zone 4 Tools — Main Stylesheet
   Theme inspired by Zone4Extreme: dark, red + gold accents
   ═══════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Rajdhani:wght@400;600;700&family=Sarabun:wght@300;400;600&display=swap');

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

:root {
  /* Palette */
  --bg: #060810;
  --surface: #0d1020;
  --card: #111428;
  --border: #1e2445;
  --accent: #cc1a1a;
  /* Zone4 red   */
  --accent2: #c8a84b;
  /* Zone4 gold  */
  --glow: rgba(204, 26, 26, .35);
  --glow2: rgba(200, 168, 75, .25);
  --text: #e8eaf6;
  --muted: #5a6090;
  --success: #00e5a0;
  --warning: #ffb74d;

  /* Spacing */
  --radius: 12px;
  --radius-sm: 6px;
}

/* ─── Scrollbar ─────────────────────────────────────────── */
::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: var(--surface);
}

::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 3px;
}

/* ─── Page loader overlay ───────────────────────────────── */
#loader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: var(--bg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  transition: opacity .55s ease, visibility .55s ease;
}

#loader.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.loader-emblem {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, var(--accent), #880000);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Rajdhani', sans-serif;
  font-weight: 700;
  font-size: 2rem;
  color: #fff;
  box-shadow: 0 0 32px var(--glow), 0 0 64px rgba(204, 26, 26, .2);
  animation: loaderPulse 1.2s ease-in-out infinite alternate;
}

@keyframes loaderPulse {
  from {
    transform: scale(1);
    box-shadow: 0 0 24px var(--glow);
  }

  to {
    transform: scale(1.06);
    box-shadow: 0 0 48px var(--glow), 0 0 80px rgba(204, 26, 26, .3);
  }
}

.loader-title {
  font-family: 'Rajdhani', sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
  background: linear-gradient(90deg, var(--accent) 0%, var(--accent2) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.loader-sub {
  font-size: .78rem;
  color: var(--muted);
}

.loader-track {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: rgba(255, 255, 255, .05);
  overflow: hidden;
}

.loader-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  animation: loadBar .85s cubic-bezier(.4, 0, .2, 1) forwards;
  box-shadow: 0 0 12px var(--glow);
}

@keyframes loadBar {
  from {
    width: 0;
  }

  to {
    width: 100%;
  }
}

/* ─── Page entry animation ──────────────────────────────── */
.page-content {
  animation: pageEnter .5s ease forwards;
  opacity: 0;
}

@keyframes pageEnter {
  from {
    opacity: 0;
    transform: translateY(16px);
  }

  to {
    opacity: 1;
    transform: none;
  }
}

/* ─── Background grid ───────────────────────────────────── */
body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Sarabun', sans-serif;
  min-height: 100vh;
  overflow-x: hidden;
  display: flex;
  flex-direction: column;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(204, 26, 26, .03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(204, 26, 26, .03) 1px, transparent 1px);
  background-size: 40px 40px;
}

/* Corner radial glow */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background: radial-gradient(ellipse 60% 40% at 50% 0%, rgba(204, 26, 26, .06) 0%, transparent 70%);
}

/* ─── Dashboard Layout ──────────────────────────────────── */
.dashboard-layout {
  display: flex;
  min-height: 100vh;
  width: 100%;
}

/* ─── Sidebar ───────────────────────────────────────────── */
.sidebar {
  width: 260px;
  background: rgba(6, 8, 16, .95);
  backdrop-filter: blur(12px);
  border-right: 1px solid var(--border);
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 100;
  display: flex;
  flex-direction: column;
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.sidebar-header {
  padding: 1.5rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.close-sidebar-btn {
  display: none;
  /* Only show on mobile */
  background: none;
  border: none;
  color: var(--muted);
  font-size: 1.25rem;
  cursor: pointer;
  transition: color .2s;
}

.close-sidebar-btn:hover {
  color: var(--text);
}

.logo {
  display: flex;
  align-items: center;
  gap: .85rem;
  text-decoration: none;
}

.logo-icon {
  width: 42px;
  height: 42px;
  flex-shrink: 0;
  background: linear-gradient(135deg, var(--accent), #800000);
  border-radius: 9px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Rajdhani', sans-serif;
  font-weight: 700;
  font-size: 1.15rem;
  color: #fff;
  box-shadow: 0 0 16px var(--glow);
  transition: box-shadow .2s;
}

.logo:hover .logo-icon {
  box-shadow: 0 0 28px var(--glow);
}

.logo-name {
  display: block;
  font-family: 'Rajdhani', sans-serif;
  font-weight: 700;
  font-size: 1.2rem;
  background: linear-gradient(90deg, #fff 0%, var(--accent2) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.logo-sub {
  display: block;
  font-size: .72rem;
  color: var(--muted);
  margin-top: 1px;
}

.sidebar-nav {
  padding: 1.5rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  overflow-y: auto;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.85rem 1.1rem;
  font-family: 'Sarabun', sans-serif;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--muted);
  text-decoration: none;
  border-radius: var(--radius-sm);
  transition: all 0.2s;
}

.nav-link:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.05);
}

.nav-link.active {
  color: #fff;
  background: linear-gradient(90deg, rgba(204, 26, 26, 0.15), rgba(200, 168, 75, 0.05));
  border-left: 3px solid var(--accent);
}

.nav-text {
  flex: 1;
}

.nav-divider {
  height: 1px;
  background: var(--border);
  margin: .4rem .75rem;
  opacity: .6;
}

/* ─── Main Content Wrapper ──────────────────────────────── */
.main-wrapper {
  flex: 1;
  margin-left: 260px;
  /* Offset for desktop sidebar */
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  width: calc(100% - 260px);
}

.mobile-header {
  display: none;
  /* Hidden on desktop */
  align-items: center;
  padding: 1rem 1.5rem;
  background: rgba(6, 8, 16, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 90;
}

.hamburger-btn {
  background: none;
  border: none;
  color: var(--text);
  font-size: 1.25rem;
  cursor: pointer;
}

.mobile-brand {
  margin-left: 1rem;
  font-family: 'Rajdhani', sans-serif;
  font-size: 1.2rem;
  font-weight: 700;
  color: #fff;
  background: linear-gradient(90deg, #fff 0%, var(--accent2) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.sidebar-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(2px);
  z-index: 95;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s;
}

.sidebar-overlay.active {
  opacity: 1;
  visibility: visible;
}

/* ─── Main layout ───────────────────────────────────────── */
main {
  position: relative;
  z-index: 1;
  max-width: 1100px;
  width: 100%;
  margin: 0 auto;
  padding: 2.5rem 2rem 3rem;
  flex: 1;
}

/* ─── Page heading ──────────────────────────────────────── */
.page-heading {
  margin-bottom: 1.75rem;
}

.page-heading h1 {
  font-family: 'Rajdhani', sans-serif;
  font-size: 1.75rem;
  font-weight: 700;
  background: linear-gradient(90deg, var(--accent2) 0%, #fff 60%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: .04em;
  display: flex;
  align-items: center;
  gap: 8px;
}

.page-icon {
  -webkit-background-clip: initial !important;
  background-clip: initial !important;
  -webkit-text-fill-color: initial !important;
  color: initial !important;
  display: inline-block;
}

.page-heading p {
  font-size: .875rem;
  color: var(--muted);
  margin-top: .3rem;
}

/* ─── Cards ─────────────────────────────────────────────── */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
  margin-bottom: 1.5rem;
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), transparent 70%);
  opacity: .5;
}

.card-title {
  font-family: 'Rajdhani', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  color: var(--accent2);
  text-transform: uppercase;
  letter-spacing: .08em;
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  gap: .5rem;
}

.card-title::before {
  content: '';
  width: 3px;
  height: 1em;
  background: linear-gradient(180deg, var(--accent), var(--accent2));
  border-radius: 2px;
  flex-shrink: 0;
}

/* ─── Buttons ───────────────────────────────────────────── */
.btn {
  padding: .6rem 1.4rem;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  font-family: 'Sarabun', sans-serif;
  font-size: .9rem;
  font-weight: 600;
  transition: all .2s;
  display: inline-flex;
  align-items: center;
  gap: .5rem;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), #880000);
  color: #fff;
  box-shadow: 0 0 20px var(--glow);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 24px var(--glow);
}

.btn-gold {
  background: linear-gradient(135deg, var(--accent2), #9a7c2e);
  color: #000;
  font-weight: 700;
  box-shadow: 0 0 20px var(--glow2);
}

.btn-gold:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 24px var(--glow2);
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
}

.btn-outline:hover {
  border-color: var(--accent2);
  color: var(--accent2);
}

.btn-success {
  background: linear-gradient(135deg, #00a060, var(--success));
  color: #000;
  box-shadow: 0 0 20px rgba(0, 229, 160, .3);
}

.btn-success:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 24px rgba(0, 229, 160, .5);
}

.btn-row {
  display: flex;
  gap: .75rem;
  flex-wrap: wrap;
  margin-top: 1rem;
}

/* ─── Info rows ─────────────────────────────────────────── */
.info-grid {
  display: flex;
  flex-direction: column;
  gap: .4rem;
}

.info-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: .5rem .85rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: .82rem;
}

.info-row .label {
  color: var(--muted);
}

.info-row .value {
  font-weight: 600;
}

.info-row .value.ok {
  color: var(--success);
}

.info-row .value.warn {
  color: var(--warning);
}

/* ─── Shared Form Styles ───────────────────────────────── */
.form-group {
  display: flex;
  flex-direction: column;
  gap: .45rem;
}

.form-label {
  font-size: .82rem;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: .05em;
}

.form-input,
.form-select {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: 'Sarabun', sans-serif;
  font-size: .95rem;
  font-weight: 600;
  padding: .6rem .9rem;
  width: 100%;
  outline: none;
  transition: border-color .2s, box-shadow .2s;
}

.form-input:focus,
.form-select:focus {
  border-color: var(--accent2);
  box-shadow: 0 0 0 3px rgba(200, 168, 75, .12);
}

.form-input::placeholder {
  color: rgba(255, 255, 255, .2);
  font-weight: 400;
  font-size: .9rem;
}

.form-select option {
  background: var(--surface);
}

/* ─── Toast ─────────────────────────────────────────────── */
.toast {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 9998;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: .85rem 1.25rem;
  display: flex;
  align-items: center;
  gap: .75rem;
  font-size: .87rem;
  font-weight: 600;
  box-shadow: 0 8px 32px rgba(0, 0, 0, .5);
  transform: translateY(120%);
  opacity: 0;
  transition: transform .35s cubic-bezier(.34, 1.56, .64, 1), opacity .3s;
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

.toast.success {
  border-color: var(--success);
  color: var(--success);
}

.toast.error {
  border-color: var(--accent);
  color: var(--accent);
}

/* ─── Sidebar Footer ────────────────────────────────────── */
.sidebar-footer {
  padding: 1.5rem;
  font-size: .72rem;
  color: var(--muted);
  border-top: 1px solid var(--border);
  text-align: center;
  margin-top: auto;
}

/* ─── Responsive ────────────────────────────────────────── */
@media (max-width: 800px) {
  .sidebar {
    transform: translateX(-100%);
    /* Hide sidebar off-screen initially */
  }

  .sidebar.open {
    transform: translateX(0);
    /* Slide in when open class is added */
  }

  .close-sidebar-btn {
    display: block;
  }

  .main-wrapper {
    margin-left: 0;
    width: 100%;
  }

  .mobile-header {
    display: flex;
  }

  main {
    padding: 1.5rem 1rem 2rem;
  }
}