/* =========================================
   BUDGET TRACKER v2 — styles.css
   ========================================= */

* { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --g: #2a9d6e; --gd: #1d7a52; --gl: #e8f7f1; --gt: #0d4a30;
  --r: #e05c3a; --rd: #b8421f; --rl: #fdf0ec; --rt: #6b1f0a;
  --b: #3a7fd4; --bd: #2660ad; --bl: #eaf2fd; --bt: #0d2e5c;
  --a: #d4900a; --al: #fef7e6; --at: #5c3a00;
  --p: #7c5cbf; --pl: #f0ecfb; --pt: #2d1a5c;
  --card: #fff; --bg: #f5f4f0; --border: rgba(0,0,0,0.1);
  --text: #1a1917; --muted: #6b6a66; --hint: #9e9d99;
  --radius: 12px; --input-bg: #f9f8f6;
}

body {
  font-family: 'Segoe UI', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 15px;
  line-height: 1.5;
}

.wrap { max-width: 700px; margin: 0 auto; padding: 1rem; }

.screen { display: none; }
.screen.active { display: block; }

/* ── AUTH ── */
.auth-wrap {
  min-height: 500px; display: flex; flex-direction: column;
  align-items: center; justify-content: center; padding: 2rem 1rem;
}
.auth-logo {
  width: 56px; height: 56px; border-radius: 16px;
  background: linear-gradient(135deg, #2a9d6e, #3a7fd4);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 1rem; font-size: 24px; color: #fff;
}
.auth-title { font-size: 26px; font-weight: 700; text-align: center; letter-spacing: -0.5px; color: var(--text); }
.auth-sub { font-size: 14px; color: var(--muted); text-align: center; margin: 4px 0 1.5rem; }
.auth-card {
  background: var(--card); border: 0.5px solid var(--border);
  border-radius: 20px; padding: 1.75rem; width: 100%;
  max-width: 400px; box-shadow: 0 4px 24px rgba(0,0,0,0.07);
}
.tabs {
  display: flex; background: var(--bg); border-radius: 10px;
  padding: 3px; margin-bottom: 1.25rem; gap: 2px;
}
.tab-btn {
  flex: 1; padding: 8px; border: none; background: none;
  border-radius: 8px; font-size: 13px; font-weight: 600;
  cursor: pointer; color: var(--muted); transition: all .2s;
}
.tab-btn.active {
  background: var(--card); color: var(--text);
  box-shadow: 0 1px 4px rgba(0,0,0,0.1);
}
.field { margin-bottom: 12px; }
.field label {
  display: block; font-size: 12px; font-weight: 600;
  color: var(--muted); margin-bottom: 4px;
  text-transform: uppercase; letter-spacing: .05em;
}
.field input, .field select, .field textarea {
  width: 100%; padding: 10px 14px; font-size: 14px;
  border: 1.5px solid var(--border); border-radius: 10px;
  background: var(--input-bg); color: var(--text);
  outline: none; transition: border-color .2s, box-shadow .2s;
  font-family: inherit;
}
.field input:focus, .field select:focus {
  border-color: var(--b); box-shadow: 0 0 0 3px rgba(58,127,212,0.12);
}
.err-msg { font-size: 12px; color: var(--r); margin-top: 6px; display: none; }
.btn-primary {
  width: 100%; padding: 12px; border: none; border-radius: 10px;
  font-size: 15px; font-weight: 700; cursor: pointer;
  background: linear-gradient(135deg, #2a9d6e, #3a7fd4);
  color: #fff; letter-spacing: .01em; transition: opacity .2s, transform .15s;
}
.btn-primary:hover { opacity: .9; }
.btn-primary:active { transform: scale(.98); }

/* ── TOPBAR ── */
.topbar { display: flex; align-items: center; justify-content: space-between; padding: .75rem 0 1rem; }
.topbar-left { display: flex; align-items: center; gap: 10px; }
.av {
  width: 38px; height: 38px; border-radius: 50%;
  background: linear-gradient(135deg, #2a9d6e, #3a7fd4);
  display: flex; align-items: center; justify-content: center;
  font-size: 15px; font-weight: 700; color: #fff; flex-shrink: 0;
}
.av-name { font-size: 15px; font-weight: 700; color: var(--text); }
.av-sub { font-size: 12px; color: var(--muted); }
.btn-sm {
  padding: 6px 14px; border: 1.5px solid var(--border);
  border-radius: 8px; background: var(--card); color: var(--text);
  font-size: 12px; font-weight: 600; cursor: pointer; transition: background .15s;
}
.btn-sm:hover { background: var(--bg); }

/* ── METRIC CARDS ── */
.metrics {
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px; margin-bottom: 1rem;
}
.metric {
  background: var(--card); border: 0.5px solid var(--border);
  border-radius: var(--radius); padding: 14px; text-align: center;
}
.metric-lbl { font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .07em; color: var(--muted); margin-bottom: 4px; }
.metric-val { font-size: 20px; font-weight: 800; letter-spacing: -0.5px; }
.metric-val.g { color: var(--g); } .metric-val.r { color: var(--r); }
.metric-val.b { color: var(--b); } .metric-val.a { color: var(--a); }

/* ── GOAL ── */
.goal-card {
  background: var(--card); border: 0.5px solid var(--border);
  border-radius: var(--radius); padding: 14px 16px; margin-bottom: 1rem;
}
.goal-row { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; }
.goal-lbl { font-size: 12px; font-weight: 700; color: var(--muted); text-transform: uppercase; letter-spacing: .05em; }
.goal-input {
  flex: 1; padding: 5px 10px; border: 1.5px solid var(--border);
  border-radius: 8px; font-size: 14px; font-weight: 700;
  background: var(--input-bg); color: var(--text); outline: none; width: 110px;
}
.goal-input:focus { border-color: var(--b); }
.goal-save {
  padding: 5px 12px; background: var(--b); color: #fff;
  border: none; border-radius: 8px; font-size: 12px; font-weight: 700; cursor: pointer;
}
.goal-pct { font-size: 13px; font-weight: 700; margin-left: auto; }
.bar-bg { height: 10px; background: var(--bg); border-radius: 5px; overflow: hidden; }
.bar-fg { height: 100%; border-radius: 5px; transition: width .5s ease; }

/* ── WARNING ── */
.warning {
  display: none; align-items: center; gap: 8px;
  background: var(--rl); border: 1px solid var(--r);
  border-radius: 10px; padding: 10px 14px; margin-bottom: 1rem;
  font-size: 13px; color: var(--rt); font-weight: 500;
}
.warning.show { display: flex; }

/* ── NAV ── */
.main-nav {
  display: flex; gap: 2px; margin-bottom: 1.25rem;
  background: var(--card); border: 0.5px solid var(--border);
  border-radius: 12px; padding: 4px;
}
.mnav-btn {
  flex: 1; padding: 8px 4px; border: none; background: none;
  border-radius: 9px; font-size: 12px; font-weight: 700;
  cursor: pointer; color: var(--muted); transition: all .2s; text-align: center;
}
.mnav-btn.active { background: var(--b); color: #fff; }

/* ── CARD ── */
.card {
  background: var(--card); border: 0.5px solid var(--border);
  border-radius: var(--radius); padding: 1.25rem; margin-bottom: 1rem;
}
.card h3 { font-size: 14px; font-weight: 700; color: var(--text); margin-bottom: 12px; text-transform: uppercase; letter-spacing: .05em; }

/* ── FORM ── */
.type-toggle { display: flex; gap: 8px; margin-bottom: 1rem; }
.ttype {
  flex: 1; padding: 10px; border: 1.5px solid var(--border);
  border-radius: 10px; background: var(--card); color: var(--muted);
  font-size: 13px; font-weight: 700; cursor: pointer; transition: all .2s; text-align: center;
}
.ttype.inc-active { background: var(--gl); border-color: var(--g); color: var(--gt); }
.ttype.exp-active { background: var(--rl); border-color: var(--r); color: var(--rt); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.form-full { grid-column: 1 / -1; }
.add-btn {
  width: 100%; padding: 11px; border: none; border-radius: 10px;
  font-size: 14px; font-weight: 700; cursor: pointer; color: #fff;
  transition: all .2s; margin-top: 4px;
}
.add-btn.g { background: var(--g); } .add-btn.g:hover { background: var(--gd); }
.add-btn.r { background: var(--r); } .add-btn.r:hover { background: var(--rd); }

/* ── HISTORY ── */
.history-filters { display: flex; gap: 8px; margin-bottom: 12px; flex-wrap: wrap; }
.filter-sel {
  padding: 6px 10px; border: 1.5px solid var(--border); border-radius: 8px;
  font-size: 12px; font-weight: 600; background: var(--input-bg); color: var(--text); outline: none;
}
.entry-row { display: flex; align-items: center; gap: 10px; padding: 10px 0; border-bottom: 0.5px solid var(--border); }
.entry-row:last-child { border-bottom: none; }
.entry-icon { width: 34px; height: 34px; border-radius: 10px; display: flex; align-items: center; justify-content: center; font-size: 16px; flex-shrink: 0; }
.entry-body { flex: 1; min-width: 0; }
.entry-title { font-size: 14px; font-weight: 600; color: var(--text); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.entry-meta { font-size: 12px; color: var(--muted); }
.entry-amt { font-size: 15px; font-weight: 800; flex-shrink: 0; }
.entry-actions { display: flex; gap: 4px; flex-shrink: 0; }
.icon-btn {
  width: 28px; height: 28px; border: 1.5px solid var(--border);
  border-radius: 7px; background: var(--card); cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  font-size: 13px; transition: background .15s;
}
.icon-btn:hover { background: var(--bg); }
.icon-btn.del:hover { background: var(--rl); border-color: var(--r); }
.tag { display: inline-block; font-size: 11px; font-weight: 700; padding: 2px 8px; border-radius: 6px; }
.tag.inc { background: var(--gl); color: var(--gt); }
.tag.exp { background: var(--rl); color: var(--rt); }
.empty { text-align: center; padding: 2rem; color: var(--muted); font-size: 14px; }

/* ── MODAL ── */
.modal-backdrop {
  display: none; position: absolute; top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.35); border-radius: var(--radius);
  z-index: 10; align-items: flex-start; justify-content: center; padding-top: 40px;
}
.modal-backdrop.open { display: flex; }
.modal {
  background: var(--card); border-radius: 16px; padding: 1.5rem;
  width: 100%; max-width: 380px; border: 0.5px solid var(--border);
}
.modal h3 { font-size: 16px; font-weight: 700; margin-bottom: 1rem; }
.modal-btns { display: flex; gap: 8px; margin-top: 1rem; }
.modal-btns button {
  flex: 1; padding: 10px; border-radius: 9px; border: 1.5px solid var(--border);
  font-size: 13px; font-weight: 700; cursor: pointer; background: var(--card);
}
.modal-btns .save { background: var(--b); color: #fff; border-color: var(--b); }

/* ── CHARTS ── */
.chart-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 1rem; }
.chart-card {
  background: var(--card); border: 0.5px solid var(--border);
  border-radius: var(--radius); padding: 1rem;
}
.chart-card h3 { font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); margin-bottom: 10px; }
.bk-row { margin-bottom: 10px; }
.bk-lbl { display: flex; justify-content: space-between; font-size: 12px; margin-bottom: 3px; }
.bk-lbl span:first-child { color: var(--text); font-weight: 600; }
.bk-lbl span:last-child { color: var(--muted); }
.bk-track { height: 7px; background: var(--bg); border-radius: 4px; overflow: hidden; }
.bk-fill { height: 100%; border-radius: 4px; }

/* ── PERIOD ── */
.period-row { display: flex; gap: 6px; margin-bottom: 1rem; }
.period-btn {
  flex: 1; padding: 7px; border: 1.5px solid var(--border);
  border-radius: 8px; background: var(--card); color: var(--muted);
  font-size: 12px; font-weight: 700; cursor: pointer; transition: all .2s; text-align: center;
}
.period-btn.active { background: var(--b); border-color: var(--b); color: #fff; }

/* ── EXPORT ── */
.export-btns { display: flex; gap: 8px; }
.exp-btn {
  flex: 1; padding: 10px; border: 1.5px solid var(--border);
  border-radius: 10px; background: var(--card); color: var(--text);
  font-size: 13px; font-weight: 700; cursor: pointer; text-align: center; transition: background .15s;
}
.exp-btn:hover { background: var(--bg); }
.exp-btn.csv-btn { border-color: var(--g); color: var(--gt); }
.exp-btn.txt-btn { border-color: var(--b); color: var(--bt); }

/* ── TOAST ── */
.toast {
  position: absolute; bottom: 1.5rem; left: 50%; transform: translateX(-50%);
  background: #1a1917; color: #f5f4f0; padding: 10px 20px;
  border-radius: 10px; font-size: 13px; font-weight: 600;
  opacity: 0; pointer-events: none; transition: opacity .3s;
  white-space: nowrap; z-index: 99;
}
.toast.show { opacity: 1; }