/* ===== PulseGuard — Base Styles ===== */
:root {
  --bg: #0a0a0c;
  --bg-raised: #111115;
  --bg-card: #16161b;
  --bg-card-hover: #1c1c22;
  --bg-input: #111115;
  --border: #222228;
  --border-hover: #33333a;
  --text: #e8e8ed;
  --text-dim: #8a8a96;
  --text-muted: #55555f;
  --accent: #00e87b;
  --accent-dim: #00c968;
  --accent-glow: rgba(0,232,123,0.15);
  --accent-glow-strong: rgba(0,232,123,0.3);
  --danger: #ff4d6a;
  --warning: #ffb84d;
  --info: #4da6ff;
  --serif: 'Syne', system-ui, sans-serif;
  --sans: 'Outfit', system-ui, sans-serif;
  --max-w: 1140px;
  --radius: 12px;
  --radius-lg: 20px;
}
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--sans);background:var(--bg);color:var(--text);overflow-x:hidden;line-height:1.6;min-height:100vh}
body::before{content:'';position:fixed;inset:0;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");pointer-events:none;z-index:9999}
::-webkit-scrollbar{width:6px}
::-webkit-scrollbar-track{background:var(--bg)}
::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}
img{max-width:100%;display:block}
a{color:inherit}

/* ===== UNIVERSAL NAV ===== */
.site-nav{position:fixed;top:0;left:0;right:0;z-index:1000;padding:0 2rem;height:60px;display:flex;align-items:center;justify-content:space-between;background:rgba(10,10,12,0.85);backdrop-filter:blur(20px);border-bottom:1px solid rgba(34,34,40,0.5)}
.nav-logo{display:flex;align-items:center;gap:0.6rem;font-weight:700;font-size:1.15rem;font-family:var(--serif);text-decoration:none;color:var(--text)}
.nav-logo .pulse-dot{width:10px;height:10px;background:var(--accent);border-radius:50%;animation:navPulse 2s ease-in-out infinite;box-shadow:0 0 8px var(--accent-glow-strong)}
@keyframes navPulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:0.6;transform:scale(0.85)}}
.nav-links{display:flex;align-items:center;gap:1.8rem}
.nav-links a{color:var(--text-dim);text-decoration:none;font-size:0.88rem;transition:color 0.25s}
.nav-links a:hover{color:var(--text)}
.nav-links a.active{color:var(--accent)}
.nav-auth{display:flex;align-items:center;gap:0.8rem}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:0.5rem;padding:0.55rem 1.3rem;border-radius:8px;font-size:0.85rem;font-weight:500;text-decoration:none;transition:all 0.3s cubic-bezier(0.4,0,0.2,1);cursor:pointer;border:none;font-family:var(--sans);white-space:nowrap}
.btn-primary{background:var(--accent);color:#0a0a0c;box-shadow:0 0 20px var(--accent-glow),inset 0 1px 0 rgba(255,255,255,0.2)}
.btn-primary:hover{background:#1affa0;box-shadow:0 0 40px var(--accent-glow-strong);transform:translateY(-1px)}
.btn-ghost{background:transparent;color:var(--text);border:1px solid var(--border)}
.btn-ghost:hover{border-color:var(--border-hover);background:var(--bg-card)}
.btn-danger{background:rgba(255,77,106,0.1);color:var(--danger);border:1px solid rgba(255,77,106,0.2)}
.btn-danger:hover{background:rgba(255,77,106,0.2)}
.btn-sm{padding:0.4rem 0.9rem;font-size:0.8rem}
.btn-lg{padding:0.75rem 1.8rem;font-size:0.95rem}

/* Form inputs */
.form-group{margin-bottom:1.3rem}
.form-label{display:block;font-size:0.82rem;font-weight:500;color:var(--text-dim);margin-bottom:0.4rem}
.form-input,.form-textarea,.form-select{width:100%;padding:0.7rem 1rem;background:var(--bg-input);border:1px solid var(--border);border-radius:8px;color:var(--text);font-family:var(--sans);font-size:0.9rem;transition:border-color 0.3s,box-shadow 0.3s;outline:none}
.form-input:focus,.form-textarea:focus,.form-select:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-glow)}
.form-input::placeholder,.form-textarea::placeholder{color:var(--text-muted)}
.form-textarea{resize:vertical;min-height:100px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.form-input.error{border-color:var(--danger)!important;box-shadow:0 0 0 3px rgba(255,77,106,0.15)!important}
.field-error{color:var(--danger);font-size:0.76rem;margin-top:0.25rem}

/* Section helpers */
.section-label{font-size:0.78rem;text-transform:uppercase;letter-spacing:0.15em;color:var(--accent);font-weight:500;margin-bottom:0.8rem}
.section-title{font-family:var(--serif);font-size:clamp(2rem,4vw,3rem);font-weight:700;line-height:1.15;margin-bottom:0.8rem}
.section-desc{color:var(--text-dim);font-size:1.02rem;line-height:1.7}

/* Cards */
.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:1.8rem;transition:all 0.35s cubic-bezier(0.4,0,0.2,1);position:relative;overflow:hidden}
.card:hover{border-color:var(--border-hover);transform:translateY(-3px);box-shadow:0 16px 48px rgba(0,0,0,0.25)}

/* Toast */
.toast{position:fixed;bottom:2rem;right:2rem;display:flex;align-items:center;gap:0.8rem;padding:1rem 1.5rem;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);font-size:0.88rem;box-shadow:0 16px 48px rgba(0,0,0,0.4);z-index:10000;transform:translateY(120%);opacity:0;transition:all 0.35s cubic-bezier(0.4,0,0.2,1)}
.toast-show{transform:translateY(0);opacity:1}
.toast-success{border-color:rgba(0,232,123,0.4)}.toast-success .toast-icon{color:var(--accent)}
.toast-error{border-color:rgba(255,77,106,0.4)}.toast-error .toast-icon{color:var(--danger)}
.toast-icon{font-size:1.1rem;font-weight:700}

/* Spinner */
.spinner{display:inline-block;width:16px;height:16px;border:2px solid transparent;border-top-color:currentColor;border-radius:50%;animation:spin 0.6s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

/* Scroll animations */
.reveal{opacity:0;transform:translateY(30px);transition:opacity 0.7s ease,transform 0.7s ease}
.reveal.visible{opacity:1;transform:translateY(0)}
@keyframes fadeInUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}

/* Status dots */
.status-dot{width:8px;height:8px;border-radius:50%;flex-shrink:0}
.status-dot.up{background:var(--accent);box-shadow:0 0 6px var(--accent-glow-strong)}
.status-dot.down{background:var(--danger);box-shadow:0 0 6px rgba(255,77,106,0.3)}
.status-dot.degraded{background:var(--warning);box-shadow:0 0 6px rgba(255,184,77,0.3)}
.status-dot.paused,.status-dot.pending{background:var(--text-muted)}
.status-badge{font-size:0.74rem;font-weight:600;padding:0.2rem 0.55rem;border-radius:4px}
.status-badge.up{color:var(--accent);background:var(--accent-glow)}
.status-badge.down{color:var(--danger);background:rgba(255,77,106,0.12)}
.status-badge.degraded{color:var(--warning);background:rgba(255,184,77,0.12)}

/* Footer */
footer{padding:3rem 2rem 1.5rem;border-top:1px solid var(--border);max-width:var(--max-w);margin:0 auto}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:3rem;margin-bottom:2.5rem}
.footer-brand p{color:var(--text-muted);font-size:0.85rem;margin-top:0.8rem;line-height:1.6}
.footer-col h4{font-size:0.78rem;text-transform:uppercase;letter-spacing:0.12em;color:var(--text-dim);margin-bottom:0.8rem}
.footer-col a{display:block;color:var(--text-muted);text-decoration:none;font-size:0.85rem;padding:0.25rem 0;transition:color 0.25s}
.footer-col a:hover{color:var(--text)}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;padding-top:1.5rem;border-top:1px solid var(--border);font-size:0.78rem;color:var(--text-muted)}

@media(max-width:768px){
  .nav-links{display:none}
  .footer-grid{grid-template-columns:1fr 1fr;gap:1.5rem}
  .form-row{grid-template-columns:1fr}
}