/* ===================== ROOT VARIABLES ===================== */
:root {
  --bg: #04091a;
  --bg2: #07102a;
  --surface: #0b1a35;
  --card: #0e2040;
  --border: #1a3a6a;
  --border2: #0f2a50;
  --accent: #00c8ff;
  --accent2: #0088cc;
  --accent3: #00ff99;
  --orange: #ff6b35;
  --red: #ff3b5c;
  --gold: #ffd700;
  --whatsapp: #25D366;
  --text: #e0f0ff;
  --text2: #7ab0d4;
  --text3: #4a7099;
  --sidebar-w: 270px;
  --radius: 12px;
  --radius2: 8px;
  --shadow: 0 8px 32px rgba(0,0,0,0.5);
  --glow: 0 0 20px rgba(0,200,255,0.2);
  --font-head: 'Exo 2', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

/* ===================== RESET & BASE ===================== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.6;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
button { cursor: pointer; border: none; outline: none; font-family: var(--font-body); }
img { max-width: 100%; display: block; }
input, textarea, select {
  font-family: var(--font-body);
  background: var(--bg2);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: var(--radius2);
  padding: 10px 14px;
  width: 100%;
  font-size: 14px;
  transition: border-color 0.2s;
}
input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(0,200,255,0.1);
}
textarea { resize: vertical; min-height: 90px; }

/* ===================== SCROLLBAR ===================== */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent2); }

/* ===================== KEYFRAMES ===================== */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes slideInLeft {
  from { opacity: 0; transform: translateX(-40px); }
  to { opacity: 1; transform: translateX(0); }
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(0,200,255,0.4); }
  50% { box-shadow: 0 0 0 12px rgba(0,200,255,0); }
}
@keyframes pulseGreen {
  0%, 100% { box-shadow: 0 0 0 0 rgba(37,211,102,0.4); }
  50% { box-shadow: 0 0 0 12px rgba(37,211,102,0); }
}
@keyframes blink { 50% { opacity: 0; } }
@keyframes gridMove {
  0% { background-position: 0 0; }
  100% { background-position: 40px 40px; }
}

/* ===================== BACKGROUND GRID ===================== */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,200,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,200,255,0.03) 1px, transparent 1px);
  background-size: 40px 40px;
  animation: gridMove 8s linear infinite;
  pointer-events: none;
  z-index: 0;
}

/* ===================== SIDEBAR ===================== */
.sidebar {
  position: fixed;
  left: 0; top: 0; bottom: 0;
  width: var(--sidebar-w);
  background: linear-gradient(180deg, #060f22 0%, #04091a 100%);
  border-right: 1px solid var(--border2);
  display: flex;
  flex-direction: column;
  z-index: 100;
  transition: transform 0.3s ease;
}
.sidebar-logo { padding: 28px 24px 20px; border-bottom: 1px solid var(--border2); }
.sidebar-logo .logo-icon {
  width: 48px; height: 48px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 22px; color: #fff;
  margin-bottom: 12px;
  box-shadow: 0 4px 20px rgba(0,200,255,0.3);
}
.sidebar-logo h2 {
  font-family: var(--font-head); font-size: 13px; font-weight: 700;
  color: var(--text); line-height: 1.3; text-transform: uppercase; letter-spacing: 0.5px;
}
.sidebar-logo span { font-size: 11px; color: var(--accent); font-weight: 500; letter-spacing: 1px; }
.sidebar-nav { flex: 1; overflow-y: auto; padding: 16px 12px; }
.nav-section-label {
  font-size: 10px; font-weight: 700; letter-spacing: 2px;
  color: var(--text3); text-transform: uppercase; padding: 12px 12px 6px;
}
.nav-link {
  display: flex; align-items: center; gap: 12px;
  padding: 11px 14px; border-radius: var(--radius2);
  color: var(--text2); font-size: 13.5px; font-weight: 500;
  transition: all 0.2s; margin-bottom: 2px; cursor: pointer;
}
.nav-link i { width: 18px; font-size: 14px; color: var(--text3); transition: color 0.2s; }
.nav-link:hover, .nav-link.active { background: rgba(0,200,255,0.08); color: var(--accent); }
.nav-link:hover i, .nav-link.active i { color: var(--accent); }
.sidebar-bottom { padding: 16px; border-top: 1px solid var(--border2); display: flex; flex-direction: column; gap: 8px; }

.btn-login {
  display: flex; align-items: center; justify-content: center; gap: 8px;
  background: linear-gradient(135deg, var(--accent2), var(--accent));
  color: #fff; font-weight: 700; font-size: 13px;
  padding: 12px; border-radius: var(--radius2);
  letter-spacing: 0.5px; transition: opacity 0.2s, transform 0.2s;
}
.btn-login:hover { opacity: 0.9; transform: translateY(-1px); }
.user-info {
  display: none; background: rgba(0,200,255,0.08); border: 1px solid var(--border);
  border-radius: var(--radius2); padding: 10px 12px; align-items: center; gap: 10px;
}
.user-info.show { display: flex; }
.user-avatar {
  width: 34px; height: 34px; border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 14px; color: #fff; flex-shrink: 0;
}
.user-info-text { flex: 1; min-width: 0; }
.user-info-text strong { font-size: 12px; display: block; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.user-info-text span { font-size: 10px; color: var(--text3); }
.btn-logout { background: transparent; color: var(--text3); font-size: 12px; padding: 4px; transition: color 0.2s; }
.btn-logout:hover { color: var(--red); }
.btn-admin-panel {
  display: none; align-items: center; justify-content: center; gap: 8px;
  background: linear-gradient(135deg, #7c3aed, #4f46e5);
  color: #fff; font-weight: 700; font-size: 13px;
  padding: 12px; border-radius: var(--radius2); letter-spacing: 0.5px; transition: all 0.2s;
}
.btn-admin-panel.show { display: flex; }
.btn-admin-panel:hover { opacity: 0.9; transform: translateY(-1px); }
.btn-my-orders {
  display: none; align-items: center; justify-content: center; gap: 8px;
  background: rgba(0,255,153,0.1); border: 1px solid rgba(0,255,153,0.3);
  color: var(--accent3); font-weight: 600; font-size: 13px;
  padding: 11px; border-radius: var(--radius2); transition: all 0.2s;
}
.btn-my-orders.show { display: flex; }
.btn-my-orders:hover { background: rgba(0,255,153,0.15); }

/* Hamburger */
.menu-toggle {
  display: none; position: fixed; top: 16px; left: 16px; z-index: 200;
  background: var(--surface); border: 1px solid var(--border);
  width: 44px; height: 44px; border-radius: var(--radius2);
  align-items: center; justify-content: center; font-size: 18px; color: var(--accent);
}
.sidebar-overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.7); z-index: 99; }

/* ===================== MAIN ===================== */
.main { margin-left: var(--sidebar-w); min-height: 100vh; position: relative; z-index: 1; }

/* ===================== TOAST ===================== */
.toast-container { position: fixed; top: 20px; right: 20px; z-index: 9999; display: flex; flex-direction: column; gap: 8px; }
.toast {
  background: var(--surface); border-left: 4px solid var(--accent);
  border-radius: var(--radius2); padding: 14px 18px;
  font-size: 13px; font-weight: 600; box-shadow: 0 8px 32px rgba(0,0,0,0.4);
  animation: slideInLeft 0.3s ease; min-width: 260px; max-width: 340px;
}
.toast.success { border-color: var(--accent3); }
.toast.error { border-color: var(--red); }
.toast.warning { border-color: var(--orange); }

/* ===================== FOOTER ===================== */
footer {
  background: #020712; border-top: 1px solid var(--border2);
  padding: 40px 60px; margin-left: var(--sidebar-w); text-align: center;
}
footer .footer-logo { font-family: var(--font-head); font-size: 20px; font-weight: 800; color: var(--accent); margin-bottom: 8px; }
footer p { font-size: 13px; color: var(--text3); margin-bottom: 20px; }
footer .footer-links { display: flex; gap: 20px; justify-content: center; flex-wrap: wrap; }
footer .footer-links a { font-size: 13px; color: var(--text2); transition: color 0.2s; }
footer .footer-links a:hover { color: var(--accent); }

/* ===================== BADGES ===================== */
.badge { display: inline-block; font-size: 10px; font-weight: 700; padding: 3px 9px; border-radius: 50px; letter-spacing: 0.5px; }
.badge-green { background: rgba(0,255,153,0.15); color: var(--accent3); border: 1px solid rgba(0,255,153,0.3); }
.badge-blue { background: rgba(0,200,255,0.15); color: var(--accent); border: 1px solid rgba(0,200,255,0.3); }
.badge-orange { background: rgba(255,107,53,0.15); color: var(--orange); border: 1px solid rgba(255,107,53,0.3); }
.badge-red { background: rgba(255,59,92,0.15); color: var(--red); border: 1px solid rgba(255,59,92,0.3); }

/* ===================== LOADING ===================== */
.loading-spinner {
  display: flex; align-items: center; justify-content: center; padding: 40px;
  color: var(--text3); font-size: 14px; gap: 10px;
}
.loading-spinner::before {
  content: ''; width: 24px; height: 24px; border: 3px solid var(--border);
  border-top-color: var(--accent); border-radius: 50%; animation: spin 0.6s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }