/* =============================================================
   TACTICO PRO — SHARED DESIGN SYSTEM
   Design Direction: Tech Cyber Tactical
   Deep navy dark theme · Teal accents · Glass-morphism
   ============================================================= */

/* ---- Google Fonts ---- */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;700&display=swap');

/* ---- CSS Variables ---- */
:root {
  /* Backgrounds */
  --bg-deep:    #0a1828;
  --bg-card:    #142a40;
  --bg-sidebar: #0c1c2d;
  --bg-surface: #0f2035;

  /* Accents */
  --accent:          #16d8b3;
  --accent-bright:   #2af0c7;
  --accent-cyan:     #06d6a0;
  --accent-blue:     #00a8ff;
  --accent-gradient: linear-gradient(135deg, #16d8b3, #00a8ff);

  /* Text */
  --text-primary: #eaf3fb;
  --text-mid:     #b7c5d4;
  --text-muted:   #6c8298;
  --text-dim:     #4a5e74;

  /* Borders */
  --border:      #1e3650;
  --border-soft: #18293e;

  /* Pitch */
  --pitch-dark:  #0f3f30;
  --pitch-light: #0e4734;

  /* Semantic */
  --danger:  #ef4444;
  --warning: #f59e0b;
  --success: #16d8b3;

  /* Typography */
  --font-display: 'Plus Jakarta Sans', sans-serif;
  --font-body:    'Plus Jakarta Sans', sans-serif;
  --font-mono:    'JetBrains Mono', monospace;

  /* Spacing scale */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;

  /* Radius */
  --radius-sm:   6px;
  --radius-md:   10px;
  --radius-lg:   16px;
  --radius-xl:   24px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm:   0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow-md:   0 4px 16px rgba(0, 0, 0, 0.4);
  --shadow-lg:   0 12px 40px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 20px rgba(22, 216, 179, 0.15);

  /* Transitions */
  --transition-fast:   150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 200ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-spring: 250ms cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-deep);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img, video, svg {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

ul, ol {
  list-style: none;
}

button, input, textarea, select {
  font-family: inherit;
  font-size: inherit;
}

button {
  cursor: pointer;
  border: none;
  background: none;
}

/* ---- Scrollbar ---- */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: var(--bg-deep);
}
::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: var(--radius-full);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--text-dim);
}

/* ---- Sidebar Component ---- */
.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: 240px;
  height: 100vh;
  background-color: var(--bg-sidebar);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  z-index: 100;
}

.sidebar-logo {
  padding: var(--space-6);
  border-bottom: 1px solid var(--border-soft);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 20px;
  letter-spacing: -0.5px;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.sidebar-nav {
  padding: var(--space-4) 0;
  flex: 1;
}

.sidebar-nav-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-6);
  color: var(--text-muted);
  font-size: 14px;
  font-weight: 500;
  transition: color var(--transition-fast), background var(--transition-fast);
  position: relative;
  cursor: pointer;
}

.sidebar-nav-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 0;
  background: var(--accent);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  box-shadow: 0 0 8px rgba(22, 216, 179, 0.6);
  transition: height var(--transition-spring);
}

.sidebar-nav-item:hover {
  color: var(--text-primary);
  background: rgba(22, 216, 179, 0.05);
}

.sidebar-nav-item:hover::before {
  height: 60%;
}

.sidebar-nav-item.active {
  color: var(--accent);
  background: rgba(22, 216, 179, 0.08);
}

.sidebar-nav-item.active::before {
  height: 70%;
}

.sidebar-nav-icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  opacity: 0.7;
}

.sidebar-nav-item.active .sidebar-nav-icon,
.sidebar-nav-item:hover .sidebar-nav-icon {
  opacity: 1;
}

/* ---- Topbar Component ---- */
.topbar {
  height: 56px;
  background: rgba(20, 42, 64, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-soft);
  display: flex;
  align-items: center;
  padding: 0 var(--space-6);
  position: sticky;
  top: 0;
  z-index: 90;
}

/* ---- Card Component ---- */
.card {
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  transition: border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.card:hover {
  border-color: rgba(22, 216, 179, 0.25);
  box-shadow: var(--shadow-glow), var(--shadow-md);
}

/* ---- Glass-morphism Utility ---- */
.glass {
  background: rgba(20, 42, 64, 0.7);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(22, 216, 179, 0.1);
}

/* ---- Button Variants ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 10px var(--space-5);
  border-radius: var(--radius-md);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 14px;
  line-height: 1;
  transition: all var(--transition-spring);
  cursor: pointer;
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent-gradient);
  color: #071420;
  box-shadow: 0 4px 20px rgba(22, 216, 179, 0.3);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 28px rgba(22, 216, 179, 0.45);
  filter: brightness(1.08);
}

.btn-primary:active {
  transform: translateY(0);
}

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

.btn-secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(22, 216, 179, 0.05);
}

.btn-ghost {
  background: transparent;
  color: var(--text-mid);
  border: none;
  padding: 10px var(--space-4);
}

.btn-ghost:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-md);
}

.btn-lg {
  padding: 14px var(--space-8);
  font-size: 16px;
  border-radius: var(--radius-lg);
}

.btn-sm {
  padding: 7px var(--space-4);
  font-size: 13px;
  border-radius: var(--radius-sm);
}

/* ---- Form Inputs ---- */
.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-mid);
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.form-input,
.form-textarea,
.form-select {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  padding: var(--space-3) var(--space-4);
  font-size: 14px;
  font-family: var(--font-body);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
  width: 100%;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(22, 216, 179, 0.12);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--text-dim);
}

.form-textarea {
  resize: vertical;
  min-height: 100px;
}

/* ---- Badge / Pill ---- */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  line-height: 1;
}

.badge-accent {
  background: rgba(22, 216, 179, 0.15);
  color: var(--accent);
  border: 1px solid rgba(22, 216, 179, 0.3);
}

.badge-blue {
  background: rgba(0, 168, 255, 0.15);
  color: var(--accent-blue);
  border: 1px solid rgba(0, 168, 255, 0.3);
}

.badge-warning {
  background: rgba(245, 158, 11, 0.15);
  color: var(--warning);
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.badge-danger {
  background: rgba(239, 68, 68, 0.15);
  color: var(--danger);
  border: 1px solid rgba(239, 68, 68, 0.3);
}

/* ---- Utility Classes ---- */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.text-gradient {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-accent { color: var(--accent); }
.text-muted  { color: var(--text-muted); }
.text-mid    { color: var(--text-mid); }
.text-mono   { font-family: var(--font-mono); }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* ---- Fade-in Animation ---- */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-24px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.fade-in {
  opacity: 0;
  transition: opacity 0.6s ease, transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  transform: translateY(24px);
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-in-left {
  opacity: 0;
  transform: translateX(-24px);
  transition: opacity 0.6s ease, transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.fade-in-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.fade-in-right {
  opacity: 0;
  transform: translateX(24px);
  transition: opacity 0.6s ease, transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.fade-in-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* ---- Responsive Breakpoints ---- */
/* 480px — Small mobile */
@media (max-width: 480px) {
  .container { padding: 0 var(--space-4); }
  .btn-lg    { padding: 12px var(--space-6); font-size: 15px; }
}

/* 768px — Tablet */
@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
    transition: transform var(--transition-spring);
  }
  .sidebar.open {
    transform: translateX(0);
    box-shadow: var(--shadow-lg);
  }
}

/* 1024px — Small desktop */
@media (max-width: 1024px) {
  .container { padding: 0 var(--space-5); }
}

/* 1280px — Large desktop (default container width) */
@media (min-width: 1280px) {
  .container { padding: 0 var(--space-8); }
}