/* ============================================
   ZV DASHBOARD — Futuristic Glass-Bento
   Financial Management System
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600&display=swap');

/* --- Design Tokens --- */
:root {
  --bg-deep: #020617;
  --bg-main: #0F172A;
  --bg-card: #1E293B;
  --neon-cyan: #00F0FF;
  --neon-cyan-dim: rgba(0, 240, 255, 0.15);
  --rose-pink: #FF007F;
  --rose-pink-dim: rgba(255, 0, 127, 0.15);
  --amber: #FBBF24;
  --emerald: #34D399;
  --glass-bg: rgba(255, 255, 255, 0.04);
  --glass-bg-hover: rgba(255, 255, 255, 0.07);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-border-hover: rgba(255, 255, 255, 0.15);
  --text-main: #F8FAFC;
  --text-muted: #94A3B8;
  --text-dim: #64748B;
  --radius-sm: 0.75rem;
  --radius-md: 1rem;
  --radius-lg: 1.25rem;
  --radius-xl: 1.5rem;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--bg-deep);
  color: var(--text-main);
  min-height: 100vh;
  overflow-x: hidden;
}

/* --- Animated Background --- */
.bg-mesh {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 80% 50% at 20% 40%, rgba(0, 240, 255, 0.06) 0%, transparent 60%),
    radial-gradient(ellipse 60% 40% at 80% 20%, rgba(255, 0, 127, 0.05) 0%, transparent 50%),
    radial-gradient(ellipse 50% 60% at 50% 90%, rgba(251, 191, 36, 0.03) 0%, transparent 50%),
    var(--bg-deep);
}

.bg-grid {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 70% 70% at 50% 50%, black, transparent);
}

/* --- Glass Panel --- */
.glass-panel {
  background: var(--glass-bg);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.glass-panel:hover {
  background: var(--glass-bg-hover);
  border-color: var(--glass-border-hover);
}

/* --- Glow Effects --- */
.glow-cyan {
  box-shadow: 0 0 20px rgba(0, 240, 255, 0.08), inset 0 1px 0 rgba(0, 240, 255, 0.1);
}
.glow-cyan:hover {
  box-shadow: 0 0 30px rgba(0, 240, 255, 0.15), inset 0 1px 0 rgba(0, 240, 255, 0.15);
}

.glow-rose {
  box-shadow: 0 0 20px rgba(255, 0, 127, 0.08), inset 0 1px 0 rgba(255, 0, 127, 0.1);
}
.glow-rose:hover {
  box-shadow: 0 0 30px rgba(255, 0, 127, 0.15), inset 0 1px 0 rgba(255, 0, 127, 0.15);
}

.glow-amber {
  box-shadow: 0 0 20px rgba(251, 191, 36, 0.08), inset 0 1px 0 rgba(251, 191, 36, 0.1);
}

/* --- KPI Card --- */
.kpi-card {
  padding: 1.5rem;
  position: relative;
  overflow: hidden;
}

.kpi-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  border-radius: 2px 2px 0 0;
}

.kpi-income::before { background: linear-gradient(90deg, var(--neon-cyan), transparent); }
.kpi-expense::before { background: linear-gradient(90deg, var(--rose-pink), transparent); }
.kpi-balance::before { background: linear-gradient(90deg, var(--amber), transparent); }

.kpi-value {
  font-family: 'JetBrains Mono', monospace;
  font-weight: 700;
  font-size: 1.75rem;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.kpi-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}

/* --- Indicator Arrows --- */
.arrow-up {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  color: var(--emerald);
  font-size: 0.75rem;
  font-weight: 600;
}

.arrow-down {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  color: var(--rose-pink);
  font-size: 0.75rem;
  font-weight: 600;
}

/* --- Toggle Button Group --- */
.toggle-group {
  display: inline-flex;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 4px;
  gap: 2px;
}

.toggle-btn {
  padding: 0.5rem 1rem;
  border: none;
  background: transparent;
  color: var(--text-muted);
  font-family: 'Inter', sans-serif;
  font-size: 0.8rem;
  font-weight: 500;
  border-radius: calc(var(--radius-md) - 4px);
  cursor: pointer;
  transition: all 0.3s ease;
  white-space: nowrap;
}

.toggle-btn.active {
  background: rgba(0, 240, 255, 0.12);
  color: var(--neon-cyan);
  box-shadow: 0 0 12px rgba(0, 240, 255, 0.1);
}

.toggle-btn:hover:not(.active) {
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.04);
}

/* --- Chart Container --- */
.chart-container {
  position: relative;
  width: 100%;
  padding: 1rem;
}

.chart-container canvas {
  width: 100% !important;
  max-height: 280px;
}

/* --- Form Styles --- */
.form-input {
  width: 100%;
  padding: 0.75rem 1rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  font-family: 'Inter', sans-serif;
  font-size: 0.875rem;
  transition: all 0.3s ease;
  outline: none;
}

.form-input:focus {
  border-color: var(--neon-cyan);
  box-shadow: 0 0 0 3px rgba(0, 240, 255, 0.1);
  background: rgba(255, 255, 255, 0.06);
}

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

.form-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  opacity: 0.7;
}

.form-select {
  appearance: none;
  background-color: #0F172A;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2394A3B8' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  padding-right: 2.5rem;
  color: #F8FAFC;
}

.form-select option {
  background-color: #0F172A;
  color: #F8FAFC;
  padding: 0.5rem;
}

.form-select option:hover,
.form-select option:checked {
  background-color: #1E293B;
  color: #00F0FF;
}

/* Date input dark theme fix */
input[type="date"] {
  color-scheme: dark;
}

input[type="date"]::-webkit-calendar-picker-indicator {
  filter: invert(0.7);
  cursor: pointer;
}

/* --- Submit Button --- */
.btn-submit {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  width: 100%;
  padding: 0.75rem 1.5rem;
  background: linear-gradient(135deg, var(--neon-cyan), #00C4CC);
  color: var(--bg-deep);
  border: none;
  border-radius: var(--radius-sm);
  font-family: 'Inter', sans-serif;
  font-weight: 700;
  font-size: 0.875rem;
  cursor: pointer;
  transition: all 0.3s ease;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.btn-submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 240, 255, 0.3);
}

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

.btn-delete {
  background: none;
  border: none;
  color: var(--text-dim);
  cursor: pointer;
  padding: 0.35rem;
  border-radius: 0.375rem;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
}
.btn-delete:hover {
  color: var(--rose-pink);
  background: var(--rose-pink-dim);
}

/* --- Transaction Table --- */
.tx-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
}

.tx-table th {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.tx-table td {
  padding: 0.75rem 1rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  border-bottom: 1px solid rgba(255,255,255,0.03);
  vertical-align: middle;
}

.tx-table tr {
  transition: background 0.2s;
}

.tx-table tbody tr:hover {
  background: rgba(255, 255, 255, 0.03);
}

.tx-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.25rem 0.625rem;
  border-radius: 9999px;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.tx-badge-in {
  background: var(--neon-cyan-dim);
  color: var(--neon-cyan);
}

.tx-badge-out {
  background: var(--rose-pink-dim);
  color: var(--rose-pink);
}

/* --- Category Tags --- */
.cat-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.3rem 0.7rem;
  border-radius: 0.5rem;
  font-size: 0.72rem;
  font-weight: 600;
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-main);
  border: 1px solid rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(8px);
  letter-spacing: 0.01em;
}

.cat-tag:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.2);
}

/* --- Scrollbar --- */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.08); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.15); }

/* --- Fade Animations --- */
.fade-in {
  opacity: 0;
  transform: translateY(16px);
  transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}
.fade-delay-1 { transition-delay: 0.05s; }
.fade-delay-2 { transition-delay: 0.10s; }
.fade-delay-3 { transition-delay: 0.15s; }
.fade-delay-4 { transition-delay: 0.20s; }
.fade-delay-5 { transition-delay: 0.25s; }
.fade-delay-6 { transition-delay: 0.30s; }

/* --- Number formatting --- */
.mono { font-family: 'JetBrains Mono', monospace; }

/* --- Responsive --- */
@media (max-width: 767px) {
  .kpi-value { font-size: 1.35rem; }
  .kpi-card { padding: 1.25rem; }
  .chart-container canvas { max-height: 220px; }
}

/* --- Selection --- */
::selection {
  background: rgba(0, 240, 255, 0.25);
  color: #fff;
}

/* --- Toast Notification --- */
.toast {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  font-weight: 500;
  z-index: 9999;
  opacity: 0;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  pointer-events: none;
}

.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.toast-success {
  background: rgba(0, 240, 255, 0.15);
  border: 1px solid rgba(0, 240, 255, 0.3);
  color: var(--neon-cyan);
  backdrop-filter: blur(16px);
}

.toast-error {
  background: rgba(255, 0, 127, 0.15);
  border: 1px solid rgba(255, 0, 127, 0.3);
  color: var(--rose-pink);
  backdrop-filter: blur(16px);
}

/* --- Empty State --- */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2.5rem 1rem;
  color: var(--text-dim);
  text-align: center;
}

.empty-state-icon {
  font-size: 2.5rem;
  margin-bottom: 0.75rem;
  opacity: 0.4;
}

/* ============================================
   AUTH PAGE STYLES
   ============================================ */
.auth-wrapper {
  min-height: 100vh; min-height: 100dvh;
  display: flex; align-items: center; justify-content: center;
  padding: 1.5rem; position: relative; z-index: 10;
}
.auth-orb { position: fixed; border-radius: 50%; filter: blur(80px); opacity: 0.35; pointer-events: none; z-index: 0; }
.auth-orb-1 { width: 400px; height: 400px; background: var(--neon-cyan); top: -100px; left: -100px; animation: orb1 12s ease-in-out infinite; }
.auth-orb-2 { width: 350px; height: 350px; background: var(--rose-pink); bottom: -80px; right: -80px; animation: orb2 10s ease-in-out infinite; }
.auth-orb-3 { width: 250px; height: 250px; background: var(--amber); top: 50%; left: 60%; animation: orb3 14s ease-in-out infinite; opacity: 0.15; }
@keyframes orb1 { 0%,100%{transform:translate(0,0) scale(1)} 50%{transform:translate(60px,80px) scale(1.1)} }
@keyframes orb2 { 0%,100%{transform:translate(0,0) scale(1)} 50%{transform:translate(-50px,-60px) scale(1.05)} }
@keyframes orb3 { 0%,100%{transform:translate(0,0)} 50%{transform:translate(-80px,60px) scale(1.15)} }

.auth-card {
  width: 100%; max-width: 420px;
  background: rgba(15,23,42,0.75); backdrop-filter: blur(40px); -webkit-backdrop-filter: blur(40px);
  border: 1px solid rgba(255,255,255,0.08); border-radius: 1.5rem; padding: 2.5rem;
  position: relative; overflow: hidden;
  animation: cardEnter 0.6s cubic-bezier(0.4,0,0.2,1) both;
}
.auth-card::before { content:''; position:absolute; top:0; left:0; right:0; height:2px; background:linear-gradient(90deg,var(--neon-cyan),var(--rose-pink),var(--amber)); }
@keyframes cardEnter { from{opacity:0;transform:translateY(30px) scale(0.96)} to{opacity:1;transform:translateY(0) scale(1)} }

.auth-logo { width:56px; height:56px; border-radius:1rem; display:flex; align-items:center; justify-content:center; margin:0 auto 1.5rem; background:linear-gradient(135deg,var(--neon-cyan),#00C4CC); box-shadow:0 8px 30px rgba(0,240,255,0.25); animation:logoPulse 3s ease-in-out infinite; }
@keyframes logoPulse { 0%,100%{box-shadow:0 8px 30px rgba(0,240,255,0.25)} 50%{box-shadow:0 8px 50px rgba(0,240,255,0.4)} }

.auth-tabs { display:flex; background:rgba(255,255,255,0.04); border:1px solid rgba(255,255,255,0.06); border-radius:0.75rem; padding:4px; margin-bottom:2rem; }
.auth-tab { flex:1; padding:0.625rem; border:none; background:transparent; color:var(--text-dim); font-family:'Inter',sans-serif; font-size:0.85rem; font-weight:600; border-radius:calc(0.75rem - 4px); cursor:pointer; transition:all 0.35s ease; }
.auth-tab.active { background:rgba(0,240,255,0.1); color:var(--neon-cyan); box-shadow:0 0 15px rgba(0,240,255,0.08); }
.auth-tab:hover:not(.active) { color:var(--text-muted); }

.auth-form-enter { animation: formSlide 0.35s cubic-bezier(0.4,0,0.2,1) both; }
@keyframes formSlide { from{opacity:0;transform:translateX(15px)} to{opacity:1;transform:translateX(0)} }

.auth-input-group { position:relative; margin-bottom:1.25rem; }
.auth-input-group .form-input { padding-left:2.75rem; padding-top:0.875rem; padding-bottom:0.875rem; }
.auth-input-icon { position:absolute; left:0.875rem; top:50%; transform:translateY(-50%); color:var(--text-dim); pointer-events:none; transition:color 0.3s; }
.auth-input-group:focus-within .auth-input-icon { color:var(--neon-cyan); }
.pw-toggle { position:absolute; right:0.75rem; top:50%; transform:translateY(-50%); background:none; border:none; color:var(--text-dim); cursor:pointer; padding:0.25rem; transition:color 0.2s; }
.pw-toggle:hover { color:var(--text-muted); }

.auth-submit { width:100%; padding:0.875rem; border:none; border-radius:0.75rem; font-family:'Inter',sans-serif; font-weight:700; font-size:0.9rem; cursor:pointer; transition:all 0.3s ease; text-transform:uppercase; letter-spacing:0.06em; position:relative; overflow:hidden; }
.auth-submit-login { background:linear-gradient(135deg,var(--neon-cyan),#00C4CC); color:var(--bg-deep); }
.auth-submit-register { background:linear-gradient(135deg,var(--rose-pink),#FF3399); color:#fff; }
.auth-submit:hover { transform:translateY(-2px); }
.auth-submit-login:hover { box-shadow:0 8px 30px rgba(0,240,255,0.3); }
.auth-submit-register:hover { box-shadow:0 8px 30px rgba(255,0,127,0.3); }
.auth-submit::after { content:''; position:absolute; top:0; left:-100%; width:200%; height:100%; background:linear-gradient(90deg,transparent,rgba(255,255,255,0.15),transparent); animation:authShimmer 3s ease-in-out infinite; }
@keyframes authShimmer { 0%{left:-100%} 100%{left:100%} }

.auth-shake { animation: shake 0.4s ease-in-out; }
@keyframes shake { 0%,100%{transform:translateX(0)} 25%{transform:translateX(-8px)} 50%{transform:translateX(8px)} 75%{transform:translateX(-4px)} }

.strength-bar { height:3px; border-radius:3px; background:rgba(255,255,255,0.06); margin-top:0.5rem; overflow:hidden; }
.strength-fill { height:100%; border-radius:3px; transition:width 0.3s, background 0.3s; }

.page-exit { animation: pageOut 0.4s cubic-bezier(0.4,0,0.2,1) forwards; }
@keyframes pageOut { to{opacity:0;transform:scale(0.97) translateY(-10px);filter:blur(4px)} }

.user-badge { display:flex; align-items:center; gap:0.5rem; padding:0.4rem 0.75rem 0.4rem 0.5rem; border-radius:9999px; background:rgba(255,255,255,0.05); border:1px solid rgba(255,255,255,0.08); cursor:pointer; transition:all 0.3s; }
.user-badge:hover { background:rgba(255,255,255,0.08); }
.user-avatar { width:28px; height:28px; border-radius:50%; display:flex; align-items:center; justify-content:center; font-size:0.7rem; font-weight:700; background:linear-gradient(135deg,var(--neon-cyan),#00C4CC); color:var(--bg-deep); }