/* ============================================
   Drone Dashboard - Main Design System
   ============================================ */

:root {
    --bg-darkest: #0a0a12;
    --bg-dark: #0f0f1a;
    --bg-medium: #1c1c30;
    --bg-card: #161625;
    --bg-card-hover: #1c1c30;
    --bg-input: #0f0f1a;
    --bg-sidebar: #0a0a12;
    --bg-header: rgba(10, 10, 18, 0.85);
    --border-dark: #252538;
    --border-medium: #303050;
    --border-light: #404060;
    --text-primary: #e0e0ec;
    --text-secondary: #b0b0c8;
    --text-muted: #6e6e88;
    --text-dimmed: #4a4a60;
    --accent-primary: #7c4dff;
    --accent-primary-hover: #9c6fff;
    --accent-primary-dim: rgba(124, 77, 255, 0.15);
    --accent-gold: #7c4dff;
    --accent-gold-hover: #9c6fff;
    --accent-gold-dim: rgba(124, 77, 255, 0.15);
    --accent-secondary: #ff4081;
    --accent-secondary-dim: rgba(255, 64, 129, 0.15);
    --accent-glow: rgba(124, 77, 255, 0.3);
    --accent-blue: #448aff;
    --accent-blue-hover: #5da0ff;
    --accent-blue-dim: rgba(68, 138, 255, 0.15);
    --success: #00e676;
    --success-dim: rgba(0, 230, 118, 0.15);
    --error: #ff3333;
    --error-dim: rgba(255, 51, 51, 0.15);
    --warning: #ffab40;
    --warning-dim: rgba(255, 171, 64, 0.15);
    --info: #448aff;
    --info-dim: rgba(68, 138, 255, 0.15);
    --discord-blurple: #5865F2;
    --discord-green: #57F287;
    --discord-yellow: #FEE75C;
    --discord-fuchsia: #EB459E;
    --discord-red: #ED4245;
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 32px;
    --space-2xl: 48px;
    --space-3xl: 64px;
    --font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-mono: "JetBrains Mono", "Fira Code", "Consolas", monospace;
    --font-size-xs: 0.7rem;
    --font-size-sm: 0.8rem;
    --font-size-md: 0.9rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.15rem;
    --font-size-xl: 1.4rem;
    --font-size-2xl: 1.8rem;
    --font-size-3xl: 2.4rem;
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.4);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.5);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.6);
    --shadow-xl: 0 16px 48px rgba(0,0,0,0.7);
    --shadow-glow-gold: 0 0 20px rgba(124,77,255,0.3);
    --shadow-glow-purple: 0 0 20px rgba(124,77,255,0.3);
    --shadow-glow-blue: 0 0 20px rgba(68,138,255,0.3);
    --shadow-glow-success: 0 0 20px rgba(0,230,118,0.2);
    --shadow-glow-error: 0 0 20px rgba(255,51,51,0.2);
    --transition-fast: 0.15s ease;
    --transition-normal: 0.25s ease;
    --transition-slow: 0.4s ease;
    --sidebar-width: 260px;
    --sidebar-collapsed: 64px;
    --header-height: 60px;
    --content-max-width: 1400px;
    --z-sidebar: 100;
    --z-header: 200;
    --z-dropdown: 300;
    --z-modal-overlay: 400;
    --z-modal: 500;
    --z-toast: 600;
    --z-tooltip: 700;
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { font-size: 16px; scroll-behavior: smooth; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
body { font-family: var(--font-family); background: var(--bg-darkest); color: var(--text-primary); line-height: 1.6; min-height: 100vh; overflow-x: hidden; }
a { color: var(--accent-blue); text-decoration: none; transition: color var(--transition-fast); }
a:hover { color: var(--accent-blue-hover); }
img { max-width: 100%; display: block; }
button { cursor: pointer; font-family: inherit; }
input, select, textarea { font-family: inherit; }
ul, ol { list-style: none; }
h1, h2, h3, h4, h5, h6 { font-weight: 600; line-height: 1.3; }
h1 { font-size: var(--font-size-3xl); }
h2 { font-size: var(--font-size-2xl); }
h3 { font-size: var(--font-size-xl); }
h4 { font-size: var(--font-size-lg); }
h5 { font-size: var(--font-size-base); }
h6 { font-size: var(--font-size-md); }

.text-muted { color: var(--text-muted); }
.text-secondary { color: var(--text-secondary); }
.text-gold { color: var(--accent-gold); }
.text-blue { color: var(--accent-blue); }
.text-success { color: var(--success); }
.text-error { color: var(--error); }
.text-warning { color: var(--warning); }
.text-small { font-size: var(--font-size-sm); }
.text-xs { font-size: var(--font-size-xs); }
.text-center { text-align: center; }
.text-right { text-align: right; }
.font-mono { font-family: var(--font-mono); }
.font-bold { font-weight: 700; }
.font-medium { font-weight: 500; }

.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.items-end { align-items: flex-end; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-end { justify-content: flex-end; }
.gap-xs { gap: var(--space-xs); }
.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }
.gap-xl { gap: var(--space-xl); }
.flex-1 { flex: 1; }
.flex-shrink-0 { flex-shrink: 0; }

.grid { display: grid; gap: var(--space-md); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-auto { grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); }

.m-0 { margin: 0; }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }
.ml-auto { margin-left: auto; }
.mr-sm { margin-right: var(--space-sm); }
.p-0 { padding: 0; }
.p-sm { padding: var(--space-sm); }
.p-md { padding: var(--space-md); }
.p-lg { padding: var(--space-lg); }
.p-xl { padding: var(--space-xl); }

.hidden { display: none !important; }
.block { display: block; }
.inline-block { display: inline-block; }
.overflow-hidden { overflow: hidden; }
.overflow-auto { overflow: auto; }
.relative { position: relative; }
.absolute { position: absolute; }
.w-full { width: 100%; }

::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--bg-darkest); }
::-webkit-scrollbar-thumb { background: var(--border-medium); border-radius: var(--radius-full); }
::-webkit-scrollbar-thumb:hover { background: var(--border-light); }
* { scrollbar-width: thin; scrollbar-color: var(--border-medium) var(--bg-darkest); }
::selection { background: var(--accent-primary); color: #ffffff; }

@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes fadeInUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeInDown { from { opacity: 0; transform: translateY(-20px); } to { opacity: 1; transform: translateY(0); } }
@keyframes slideInLeft { from { opacity: 0; transform: translateX(-30px); } to { opacity: 1; transform: translateX(0); } }
@keyframes slideInRight { from { opacity: 0; transform: translateX(30px); } to { opacity: 1; transform: translateX(0); } }
@keyframes scaleIn { from { opacity: 0; transform: scale(0.9); } to { opacity: 1; transform: scale(1); } }
@keyframes glowPulse { 0%, 100% { box-shadow: 0 0 5px rgba(124,77,255,0.2); } 50% { box-shadow: 0 0 20px rgba(124,77,255,0.4); } }
@keyframes spin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }
@keyframes shimmer { 0% { background-position: -200% 0; } 100% { background-position: 200% 0; } }
@keyframes slideDown { from { opacity: 0; max-height: 0; } to { opacity: 1; max-height: 500px; } }
@keyframes toastIn { from { transform: translateX(100%); opacity: 0; } to { transform: translateX(0); opacity: 1; } }
@keyframes toastOut { from { transform: translateX(0); opacity: 1; } to { transform: translateX(100%); opacity: 0; } }

.animate-fade-in { animation: fadeIn var(--transition-normal); }
.animate-fade-in-up { animation: fadeInUp var(--transition-normal); }
.animate-slide-in-left { animation: slideInLeft var(--transition-normal); }
.animate-scale-in { animation: scaleIn var(--transition-normal); }
.page-content { animation: fadeInUp 0.3s ease; }

.glass {
    background: rgba(22, 22, 37, 0.6);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(124, 77, 255, 0.08);
}
.glow-gold { box-shadow: var(--shadow-glow-purple); }
.glow-blue { box-shadow: var(--shadow-glow-blue); }
.glow-pulse { animation: glowPulse 2s ease-in-out infinite; }

@media (max-width: 1200px) {
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .grid-3 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
    .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr; }
    .hide-mobile { display: none !important; }
    .flex-col-mobile { flex-direction: column; }
}
@media (max-width: 480px) {
    html { font-size: 14px; }
}