@import url("https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&family=Outfit:wght@400;500;600;700&display=swap");

:root {
  --bg-color: #020617; /* Deep Slate/Black */
  --bg-gradient: radial-gradient(circle at 50% 0%, #1e293b 0%, #020617 70%);
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  --accent-color: #6366f1; /* Indigo */
  --accent-hover: #4f46e5;
  --accent-light: rgba(99, 102, 241, 0.15);
  --accent-gradient: linear-gradient(135deg, #6366f1 0%, #a855f7 100%);

  --glass-bg: rgba(15, 23, 42, 0.6);
  --glass-border: rgba(255, 255, 255, 0.05);
  --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3);

  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;

  --font-heading: "Outfit", sans-serif;
  --font-body: "Inter", sans-serif;

  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 12px;
}

.light-mode {
  --bg-color: #f1f5f9; /* Light Slate/Gray */
  --bg-gradient: radial-gradient(circle at 50% 0%, #cbd5e1 0%, #f1f5f9 70%);
  --text-primary: #1e293b; /* Dark Slate */
  --text-secondary: #475569;
  --text-muted: #64748b;

  --accent-color: #4f46e5;
  --accent-hover: #4338ca;
  --accent-light: rgba(79, 70, 229, 0.1);
  --accent-gradient: linear-gradient(135deg, #6366f1 0%, #a855f7 100%); /* Maintain vibe but cleaner */

  --glass-bg: rgba(255, 255, 255, 0.7);
  --glass-border: rgba(0, 0, 0, 0.05); /* Darker, subtle border */
  --glass-shadow: 0 4px 20px 0 rgba(0, 0, 0, 0.05);
}

* {
  padding: 0;
  margin: 0;
  box-sizing: border-box;
  font-family: var(--font-body);
}

body {
  background-color: var(--bg-color);
  background-image: var(--bg-gradient);
  color: var(--text-primary);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

main {
  flex: 1;
  width: 100%;
}

/* --- Navigation --- */
.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.2rem 5%;
  position: sticky;
  top: 20px;
  margin: 0 20px;
  z-index: 100;
  border-radius: var(--radius-lg);
  background: rgba(15, 23, 42, 0.7);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.nav-logo {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.8rem;
  letter-spacing: -0.02em;
}

.nav-logo i {
  color: var(--accent-color);
  filter: drop-shadow(0 0 10px rgba(99, 102, 241, 0.5));
}

.nav-btn {
  padding: 0.6rem 1.4rem;
  border-radius: 50px; /* Pill shape */
  border: 1px solid var(--glass-border);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-primary);
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  font-weight: 500;
  font-size: 0.95rem;
}

.nav-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  transform: translateY(-1px);
  border-color: rgba(255, 255, 255, 0.2);
}

.nav-btn.logout {
  border-color: rgba(239, 68, 68, 0.3);
  color: #fca5a5;
  background: rgba(239, 68, 68, 0.1);
}
.nav-btn.logout:hover {
  background: var(--danger);
  border-color: var(--danger);
  color: white;
  box-shadow: 0 4px 12px rgba(239, 68, 68, 0.3);
}

/* --- Layout --- */
.app-container {
  max-width: 1280px;
  margin: 3rem auto;
  padding: 0 2rem;
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 2.5rem;
  align-items: start;
}

@media (max-width: 1024px) {
  .app-container {
    grid-template-columns: 1fr;
    margin-top: 2rem;
  }
}

/* --- Dashboard Section --- */
.section-title {
  font-family: var(--font-heading);
  font-size: 2rem;
  margin-bottom: 2rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  background: linear-gradient(to right, white, #94a3b8);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  margin-bottom: 2.5rem;
}

@media (max-width: 640px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }
}

.stat-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  padding: 1.5rem;
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

/* Hover glow effect */
.stat-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(
    400px circle at top right,
    rgba(255, 255, 255, 0.05),
    transparent 40%
  );
  opacity: 0;
  transition: opacity 0.3s ease;
}

.stat-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 24px -8px rgba(0, 0, 0, 0.4);
  border-color: rgba(255, 255, 255, 0.15);
}
.stat-card:hover::before {
  opacity: 1;
}

.stat-card .top-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.icon-box {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: var(--accent-light);
  color: #818cf8;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}

/* Just styling the icon box wrappers if user stuck to old HTML structure */
.stat-card > .icon-box {
  margin-bottom: 0;
  /* If HTML structure has icon-box as direct child flex item */
}

/* Let's assume HTML: div.icon-box + div(p, span) */
.stat-card {
  flex-direction: row; /* Match HTML structure */
  align-items: center;
}

.stat-card .icon-box {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  font-size: 1.4rem;
  flex-shrink: 0;
}

.icon-box.warning {
  background: rgba(245, 158, 11, 0.15);
  color: #fbbf24;
}

.icon-box.success {
  background: rgba(16, 185, 129, 0.15);
  color: #34d399;
}

.stat-card div:last-child {
  display: flex;
  flex-direction: column;
}

.stat-card p {
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.25rem;
}

.stat-card span {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
}

.chart-container {
  height: 400px; /* Slightly taller */
  padding: 2rem;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  position: relative;
}

/* --- Glass Panel & Controls --- */
.glass-panel {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--glass-shadow);
  margin-bottom: 2rem;
}

.glass-panel h3 {
  font-family: var(--font-heading);
  margin-bottom: 1.5rem;
  font-size: 1.35rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* Tabs */
.tabs {
  display: flex;
  margin-bottom: 2rem;
  background: rgba(0, 0, 0, 0.3);
  padding: 4px;
  border-radius: 12px;
  gap: 4px;
}

.tab-btn {
  flex: 1;
  padding: 10px;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  border-radius: 8px;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.95rem;
  transition: all 0.3s ease;
}

.tab-btn.active {
  background: rgba(255, 255, 255, 0.1);
  color: white;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

.tab-content {
  display: none;
  animation: fadeIn 0.4s ease;
}

.tab-content.active {
  display: block;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Inputs */
.input-group {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

input {
  width: 100%;
  padding: 16px;
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-sm);
  color: white;
  font-size: 1rem;
  outline: none;
  transition: all 0.3s;
  margin-bottom: 1.2rem;
}

input::placeholder {
  color: #475569;
}

input:focus {
  border-color: var(--accent-color);
  background: rgba(0, 0, 0, 0.4);
  box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
}

/* Buttons */
.submit {
  width: 100%;
  padding: 16px;
  background: var(--accent-gradient);
  border: none;
  border-radius: var(--radius-sm);
  color: white;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  margin-bottom: 1rem;
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(99, 102, 241, 0.5);
}

.submit:active {
  transform: translateY(0);
}

.submit.secondary {
  background: transparent;
  border: 1px solid var(--accent-color);
  color: var(--accent-color);
  box-shadow: none;
}

.submit.secondary:hover {
  background: rgba(99, 102, 241, 0.1);
  transform: translateY(-2px);
  box-shadow: none;
}

.reset-button {
  width: 100%;
  padding: 14px;
  background: transparent;
  border: 1px dashed var(--text-secondary);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 1.5rem;
  transition: all 0.3s;
  font-weight: 500;
}

.reset-button:hover {
  border-color: var(--danger);
  color: var(--danger);
  background: rgba(239, 68, 68, 0.05);
}

/* --- List Items --- */
.list-panel {
  max-height: 500px;
  display: flex;
  flex-direction: column;
}

.list-container {
  overflow-y: auto;
  padding-right: 5px;
  margin-top: 1rem;
}

.list-container::-webkit-scrollbar {
  width: 6px;
}
.list-container::-webkit-scrollbar-track {
  background: transparent;
}
.list-container::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 10px;
}
.list-container::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.2);
}

.sublist-content {
  background: rgba(255, 255, 255, 0.02);
  border-left: 3px solid var(--accent-color);
  padding: 1.2rem;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin-bottom: 0.8rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: all 0.2s ease;
}

.sublist-content:hover {
  background: rgba(255, 255, 255, 0.05);
  transform: translateX(4px);
}

.sublist-content .product {
  font-weight: 500;
  color: var(--text-primary);
  font-size: 1rem;
}

.sublist-content .amount {
  font-weight: 600;
  color: var(--text-primary); /* Changed to white for better contrast */
  font-family: var(--font-heading);
}

.action-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  margin-left: 12px;
  font-size: 1rem;
  padding: 6px;
  border-radius: 8px;
  transition: all 0.2s;
}

.action-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-primary);
}

.action-btn.edit:hover {
  color: var(--accent-color);
}
.action-btn.delete:hover {
  color: var(--danger);
}

/* --- Footer --- */
.footer {
  background: #000205; /* Blacker footer */
  border-top: 1px solid var(--glass-border);
  padding: 4rem 0 2rem;
  margin-top: auto;
}

.footer .container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 30px;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 3rem;
}

.footer-section {
  flex: 1 1 200px;
}

.footer-section h4 {
  color: var(--text-primary);
  margin-bottom: 1.5rem;
  font-family: var(--font-heading);
  font-weight: 600;
  position: relative;
  display: inline-block;
}

.footer-section ul {
  list-style: none;
}
.footer-section ul li {
  margin-bottom: 0.8rem;
}
.footer-section ul li a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: 0.2s;
  font-size: 0.95rem;
}
.footer-section ul li a:hover {
  color: var(--accent-color);
  padding-left: 4px;
}

/* Badges */
.social-links.badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.social-links.badges a:hover {
  transform: translateY(-3px);
}

.footer-bottom {
  text-align: center;
  margin-top: 4rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* Loading Screen */
#loading-screen {
  background: var(--bg-color);
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 9999;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hide-error {
  display: none;
}
.error {
  color: var(--danger);
  font-size: 0.9rem;
  margin-bottom: 0.8rem;
  background: rgba(239, 68, 68, 0.1);
  padding: 8px 12px;
  border-radius: 8px;
  display: inline-block;
}

/* Coin Loader */
.loader-coin {
  width: 64px;
  height: 64px;
  position: relative;
  transform-style: preserve-3d;
  animation: spin 1.5s infinite linear;
}

.loader-coin .side {
  width: 100%;
  height: 100%;
  position: absolute;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, #fcd34d, #d97706);
  border: 4px solid #f59e0b;
  color: #92400e;
  font-size: 32px;
  font-weight: 800;
  display: flex;
  justify-content: center;
  align-items: center;
  backface-visibility: hidden;
  box-shadow: 0 0 20px rgba(245, 158, 11, 0.2);
}

.loader-coin .back {
  transform: rotateY(180deg);
}

@keyframes spin {
  0% {
    transform: rotateY(0deg);
  }
  100% {
    transform: rotateY(360deg);
  }
}