@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

:root {
  --bg: #0F0F1A;
  --bg-2: #161625;
  --bg-card: rgba(255,255,255,0.05);
  --bg-card-hov: rgba(255,255,255,0.08);
  --accent: #6C63FF;
  --accent-l: rgba(108,99,255,0.15);
  --accent-glow: 0 0 30px rgba(108,99,255,0.4);
  --income: #4ADE80;
  --income-l: rgba(74,222,128,0.12);
  --expense: #F87171;
  --expense-l: rgba(248,113,113,0.12);
  --text: #E2E8F0;
  --text-sub: #94A3B8;
  --text-mut: #475569;
  --border: rgba(255,255,255,0.08);
  --border-hov: rgba(255,255,255,0.15);
  --glass: rgba(255,255,255,0.05);
  --glass-b: 1px solid rgba(255,255,255,0.09);
  --header-h: 64px;
  --nav-h: 76px;
  --r: 16px;
  --r-sm: 10px;
  --sh: 0 4px 24px rgba(0,0,0,0.4);
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{-webkit-tap-highlight-color:transparent;scroll-behavior:smooth}
body{font-family:'Inter',-apple-system,sans-serif;background:var(--bg);color:var(--text);
  overflow-x:hidden;min-height:100vh;-webkit-font-smoothing:antialiased}

#app{min-height:100vh;padding-top:var(--header-h);padding-bottom:var(--nav-h)}

/* ── Header ── */
.app-header{position:fixed;top:0;left:0;right:0;height:var(--header-h);
  background:rgba(15,15,26,0.88);backdrop-filter:blur(20px);
  -webkit-backdrop-filter:blur(20px);border-bottom:var(--glass-b);z-index:100}
.header-inner{display:flex;align-items:center;justify-content:space-between;
  height:100%;padding:0 20px;max-width:640px;margin:0 auto}
.header-left{display:flex;align-items:center;gap:12px}
.header-right{display:flex;align-items:center;gap:8px}
.page-title{font-size:1.15rem;font-weight:700;color:var(--text)}

/* ── Page Content ── */
.page-content{max-width:640px;margin:0 auto;padding:20px 16px;
  min-height:calc(100vh - var(--header-h) - var(--nav-h))}

/* ── Bottom Nav ── */
.bottom-nav{position:fixed;bottom:0;left:0;right:0;height:var(--nav-h);
  background:rgba(20,20,34,0.96);backdrop-filter:blur(20px);
  -webkit-backdrop-filter:blur(20px);border-top:var(--glass-b);
  display:flex;align-items:center;justify-content:space-around;
  padding:0 8px;z-index:100}
.nav-item{display:flex;flex-direction:column;align-items:center;gap:3px;
  color:var(--text-mut);text-decoration:none;font-size:0.68rem;font-weight:500;
  padding:8px 14px;border-radius:var(--r-sm);transition:all .2s ease;flex:1}
.nav-item svg{width:22px;height:22px;stroke-width:1.8}
.nav-item.active{color:var(--accent)}
.nav-item:active{transform:scale(.92)}
.nav-fab-wrapper{flex:1;display:flex;justify-content:center;position:relative}
.nav-fab{width:54px;height:54px;border-radius:50%;
  background:linear-gradient(135deg,var(--accent),#9c95ff);border:none;
  color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;
  box-shadow:var(--accent-glow);transition:all .25s ease;position:relative;top:-12px}
.nav-fab svg{width:25px;height:25px;stroke-width:2.5}
.nav-fab:active{transform:scale(.88) translateY(12px) !important}
.nav-fab:hover{transform:scale(1.1) translateY(-4px);box-shadow:0 0 40px rgba(108,99,255,.65)}

/* ── Cards ── */
.card{background:var(--glass);border:var(--glass-b);border-radius:var(--r);overflow:hidden}
.card-body{padding:20px}

/* ── Icon Button ── */
.icon-btn{width:38px;height:38px;border-radius:50%;background:var(--bg-card);
  border:var(--glass-b);color:var(--text-sub);display:flex;align-items:center;
  justify-content:center;cursor:pointer;transition:all .2s}
.icon-btn svg{width:18px;height:18px}
.icon-btn:hover{background:var(--bg-card-hov);color:var(--text)}

/* ── Toast ── */
.toast{position:fixed;bottom:calc(var(--nav-h) + 12px);left:50%;
  transform:translateX(-50%) translateY(20px);
  background:#1E1E35;border:var(--glass-b);color:var(--text);
  padding:12px 22px;border-radius:100px;font-size:.88rem;font-weight:500;
  z-index:999;opacity:0;transition:all .3s ease;white-space:nowrap;pointer-events:none}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
.toast.success{border-color:rgba(74,222,128,.3);color:var(--income)}
.toast.error{border-color:rgba(248,113,113,.3);color:var(--expense)}

/* ── Loading ── */
.loading-overlay{position:fixed;inset:0;background:rgba(15,15,26,.7);
  display:flex;align-items:center;justify-content:center;z-index:1000;
  backdrop-filter:blur(4px)}
.spinner{width:40px;height:40px;border:3px solid var(--border);
  border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite}

/* ── Typography helpers ── */
.text-sub{color:var(--text-sub);font-size:.85rem}
.text-mut{color:var(--text-mut);font-size:.8rem}
.text-income{color:var(--income)}
.text-expense{color:var(--expense)}
.text-accent{color:var(--accent)}
.fw-7{font-weight:700}
.section-label{font-size:.72rem;font-weight:600;color:var(--text-mut);
  text-transform:uppercase;letter-spacing:.08em;margin-bottom:12px}

/* ── Layout helpers ── */
.flex{display:flex}
.flex-col{flex-direction:column}
.items-c{align-items:center}
.j-between{justify-content:space-between}
.gap-8{gap:8px}.gap-12{gap:12px}.gap-16{gap:16px}.gap-20{gap:20px}
.mt-8{margin-top:8px}.mt-12{margin-top:12px}.mt-16{margin-top:16px}.mt-20{margin-top:20px}
.mb-4{margin-bottom:4px}.mb-8{margin-bottom:8px}.mb-12{margin-bottom:12px}.mb-16{margin-bottom:16px}
.w-full{width:100%}

/* ── Empty State ── */
.empty-state{text-align:center;padding:52px 20px;color:var(--text-sub)}
.empty-state svg{width:52px;height:52px;margin:0 auto 16px;display:block;opacity:.35}
.empty-state h3{font-size:1rem;font-weight:600;margin-bottom:8px;color:var(--text)}
.empty-state p{font-size:.85rem;line-height:1.5}

/* ── Scrollbar ── */
::-webkit-scrollbar{width:3px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:var(--border);border-radius:2px}