/* =============================================
   Budget Calculator Pro — Premium Stylesheet
   ============================================= */

@import url('https://fonts.googleapis.com/css2?family=DM+Serif+Display:ital@0;1&family=DM+Sans:wght@300;400;500;600;700&display=swap');

/* ── Custom Properties ── */
:root {
  --bcp-bg:          #0d0f14;
  --bcp-surface:     #151820;
  --bcp-surface-2:   #1c2030;
  --bcp-surface-3:   #242840;
  --bcp-border:      rgba(255,255,255,.07);
  --bcp-border-2:    rgba(255,255,255,.12);

  --bcp-income:      #00e8a2;
  --bcp-income-dim:  rgba(0,232,162,.12);
  --bcp-expense:     #ff5b79;
  --bcp-expense-dim: rgba(255,91,121,.12);
  --bcp-gold:        #f5c842;
  --bcp-gold-dim:    rgba(245,200,66,.12);
  --bcp-blue:        #5b8af5;
  --bcp-blue-dim:    rgba(91,138,245,.12);

  --bcp-text:        #e8eaf0;
  --bcp-text-muted:  #7a7f94;
  --bcp-text-dim:    #4e5366;

  --bcp-radius:      16px;
  --bcp-radius-sm:   10px;
  --bcp-shadow:      0 8px 32px rgba(0,0,0,.5);
  --bcp-shadow-sm:   0 2px 12px rgba(0,0,0,.3);

  --bcp-font:        'DM Sans', sans-serif;
  --bcp-font-serif:  'DM Serif Display', serif;

  --bcp-transition:  .22s cubic-bezier(.4,0,.2,1);
}

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

.bcp-wrap {
  font-family: var(--bcp-font);
  color: var(--bcp-text);
  background: var(--bcp-bg);
  border-radius: 24px;
  overflow: hidden;
  max-width: 980px;
  margin: 2rem auto;
  box-shadow: var(--bcp-shadow), 0 0 0 1px var(--bcp-border);
  position: relative;
}

/* Subtle grid texture */
.bcp-wrap::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--bcp-border) 1px, transparent 1px),
    linear-gradient(90deg, var(--bcp-border) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
  opacity: .4;
  z-index: 0;
}
.bcp-wrap > * { position: relative; z-index: 1; }

/* ── HEADER ── */
.bcp-header {
  background: linear-gradient(135deg, #111523 0%, #1a1f35 100%);
  border-bottom: 1px solid var(--bcp-border);
  padding: 2rem 2.5rem;
}
.bcp-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}
.bcp-logo {
  display: flex;
  align-items: center;
  gap: 1rem;
}
.bcp-logo-icon {
  width: 52px; height: 52px;
  background: linear-gradient(135deg, var(--bcp-gold) 0%, #e8a500 100%);
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem;
  box-shadow: 0 4px 20px rgba(245,200,66,.3);
  flex-shrink: 0;
}
.bcp-title {
  font-family: var(--bcp-font-serif);
  font-size: clamp(1.4rem, 4vw, 2rem);
  font-weight: 400;
  color: #fff;
  letter-spacing: -.02em;
  line-height: 1.1;
}
.bcp-subtitle {
  font-size: .82rem;
  color: var(--bcp-text-muted);
  margin-top: .25rem;
  letter-spacing: .04em;
  text-transform: uppercase;
}

/* Currency selector */
.bcp-currency-wrap { display: flex; flex-direction: column; gap: .4rem; }
.bcp-currency-label {
  font-size: .72rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--bcp-text-muted);
}
.bcp-select-wrapper { position: relative; }
.bcp-select {
  appearance: none;
  background: var(--bcp-surface-3);
  border: 1px solid var(--bcp-border-2);
  color: var(--bcp-text);
  font-family: var(--bcp-font);
  font-size: .9rem;
  padding: .65rem 2.5rem .65rem 1rem;
  border-radius: var(--bcp-radius-sm);
  cursor: pointer;
  transition: border-color var(--bcp-transition), box-shadow var(--bcp-transition);
}
.bcp-select-wrapper::after {
  content: '▾';
  position: absolute; right: .9rem; top: 50%; transform: translateY(-50%);
  color: var(--bcp-text-muted); pointer-events: none; font-size: .8rem;
}
.bcp-select:focus { outline: none; border-color: var(--bcp-gold); box-shadow: 0 0 0 3px var(--bcp-gold-dim); }
.bcp-select option { background: #1c2030; }

/* ── SUMMARY CARDS ── */
.bcp-summary {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 1px;
  background: var(--bcp-border);
}
.bcp-card {
  background: var(--bcp-surface);
  padding: 1.6rem 1.8rem;
  display: flex;
  align-items: center;
  gap: 1.1rem;
  transition: background var(--bcp-transition);
}
.bcp-card:hover { background: var(--bcp-surface-2); }

.bcp-card-icon {
  width: 44px; height: 44px;
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem;
  font-weight: 700;
  flex-shrink: 0;
}
.bcp-card--income  .bcp-card-icon { background: var(--bcp-income-dim);  color: var(--bcp-income);  }
.bcp-card--expense .bcp-card-icon { background: var(--bcp-expense-dim); color: var(--bcp-expense); }
.bcp-card--balance .bcp-card-icon { background: var(--bcp-blue-dim);    color: var(--bcp-blue);    }
.bcp-card--savings .bcp-card-icon { background: var(--bcp-gold-dim);    color: var(--bcp-gold);    }

.bcp-card-body { display: flex; flex-direction: column; gap: .25rem; min-width: 0; }
.bcp-card-label { font-size: .75rem; color: var(--bcp-text-muted); text-transform: uppercase; letter-spacing: .06em; }
.bcp-card-value { font-size: 1.35rem; font-weight: 700; letter-spacing: -.02em; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.bcp-card--income  .bcp-card-value { color: var(--bcp-income);  }
.bcp-card--expense .bcp-card-value { color: var(--bcp-expense); }
.bcp-card--balance .bcp-card-value { color: var(--bcp-blue);    }
.bcp-card--savings .bcp-card-value { color: var(--bcp-gold);    }

/* ── PROGRESS BAR ── */
.bcp-progress-wrap {
  padding: 1.5rem 2.5rem;
  background: var(--bcp-surface);
  border-top: 1px solid var(--bcp-border);
  border-bottom: 1px solid var(--bcp-border);
}
.bcp-progress-labels {
  display: flex; justify-content: space-between;
  font-size: .78rem; color: var(--bcp-text-muted);
  text-transform: uppercase; letter-spacing: .06em;
  margin-bottom: .75rem;
}
#bcp-health-label { font-weight: 600; color: var(--bcp-text); }
.bcp-progress-track {
  height: 10px;
  background: var(--bcp-surface-3);
  border-radius: 99px;
  overflow: hidden;
}
.bcp-progress-bar {
  height: 100%;
  width: 0%;
  border-radius: 99px;
  background: linear-gradient(90deg, var(--bcp-expense) 0%, var(--bcp-gold) 50%, var(--bcp-income) 100%);
  transition: width .6s cubic-bezier(.4,0,.2,1);
}

/* ── MAIN GRID ── */
.bcp-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--bcp-border);
}
@media (max-width: 680px) { .bcp-grid { grid-template-columns: 1fr; } }

/* ── PANELS ── */
.bcp-panel { background: var(--bcp-surface); }
.bcp-panel-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.2rem 1.8rem;
  border-bottom: 1px solid var(--bcp-border);
}
.bcp-panel-header--income  { background: linear-gradient(90deg, var(--bcp-income-dim),  transparent); }
.bcp-panel-header--expense { background: linear-gradient(90deg, var(--bcp-expense-dim), transparent); }

.bcp-panel-title {
  display: flex; align-items: center; gap: .6rem;
  font-size: 1rem; font-weight: 600; color: var(--bcp-text);
}
.bcp-panel-badge {
  width: 24px; height: 24px;
  border-radius: 7px;
  display: flex; align-items: center; justify-content: center;
  font-size: .9rem; font-weight: 700;
}
.bcp-panel-header--income  .bcp-panel-badge { background: var(--bcp-income-dim);  color: var(--bcp-income);  }
.bcp-panel-header--expense .bcp-panel-badge { background: var(--bcp-expense-dim); color: var(--bcp-expense); }
.bcp-panel-total { font-size: .95rem; font-weight: 700; }
.bcp-panel-header--income  .bcp-panel-total { color: var(--bcp-income);  }
.bcp-panel-header--expense .bcp-panel-total { color: var(--bcp-expense); }

.bcp-panel-body { padding: 1.2rem 1.5rem 1.5rem; }

/* ── ENTRY LIST ── */
.bcp-entry-list { display: flex; flex-direction: column; gap: .6rem; margin-bottom: 1rem; }
.bcp-entry {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: .6rem;
  align-items: center;
  background: var(--bcp-surface-2);
  border: 1px solid var(--bcp-border);
  border-radius: var(--bcp-radius-sm);
  padding: .7rem .9rem;
  animation: bcp-slide-in .25s ease both;
}
@keyframes bcp-slide-in {
  from { opacity: 0; transform: translateY(-8px); }
  to   { opacity: 1; transform: translateY(0); }
}
.bcp-entry-name,
.bcp-entry-amount {
  border: none; outline: none;
  background: transparent;
  color: var(--bcp-text);
  font-family: var(--bcp-font);
  font-size: .9rem;
}
.bcp-entry-name { flex: 1; }
.bcp-entry-name::placeholder,
.bcp-entry-amount::placeholder { color: var(--bcp-text-dim); }
.bcp-entry-amount {
  width: 100px; text-align: right; font-weight: 600;
}
.bcp-entry-amount:focus,
.bcp-entry-name:focus { color: #fff; }

.bcp-entry-remove {
  width: 26px; height: 26px;
  border-radius: 7px;
  border: 1px solid var(--bcp-border);
  background: transparent;
  color: var(--bcp-text-dim);
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem; line-height: 1;
  transition: background var(--bcp-transition), color var(--bcp-transition), border-color var(--bcp-transition);
}
.bcp-entry-remove:hover { background: var(--bcp-expense-dim); color: var(--bcp-expense); border-color: var(--bcp-expense); }

/* ── ADD BUTTONS ── */
.bcp-add-btn {
  width: 100%;
  padding: .65rem 1rem;
  border-radius: var(--bcp-radius-sm);
  border: 1.5px dashed;
  background: transparent;
  font-family: var(--bcp-font);
  font-size: .85rem;
  font-weight: 500;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center; gap: .4rem;
  transition: background var(--bcp-transition), color var(--bcp-transition);
}
.bcp-add-btn--income  { border-color: var(--bcp-income);  color: var(--bcp-income);  }
.bcp-add-btn--expense { border-color: var(--bcp-expense); color: var(--bcp-expense); }
.bcp-add-btn--income:hover  { background: var(--bcp-income-dim);  }
.bcp-add-btn--expense:hover { background: var(--bcp-expense-dim); }

/* ── SAVINGS GOAL ── */
.bcp-goal-section {
  padding: 2rem 2.5rem;
  background: var(--bcp-surface);
  border-top: 1px solid var(--bcp-border);
}
.bcp-section-title {
  font-family: var(--bcp-font-serif);
  font-size: 1.25rem;
  font-weight: 400;
  color: #fff;
  margin-bottom: 1.25rem;
}
.bcp-goal-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  gap: 1rem;
  align-items: end;
}
@media (max-width: 680px) { .bcp-goal-wrap { grid-template-columns: 1fr; } }

.bcp-label { display: block; font-size: .78rem; color: var(--bcp-text-muted); text-transform: uppercase; letter-spacing: .06em; margin-bottom: .4rem; }
.bcp-input-prefix { display: flex; align-items: center; background: var(--bcp-surface-2); border: 1px solid var(--bcp-border); border-radius: var(--bcp-radius-sm); overflow: hidden; }
.bcp-prefix { padding: 0 .75rem; color: var(--bcp-text-muted); font-weight: 600; font-size: .9rem; border-right: 1px solid var(--bcp-border); height: 44px; display: flex; align-items: center; }
.bcp-input {
  width: 100%;
  padding: .65rem 1rem;
  background: var(--bcp-surface-2);
  border: 1px solid var(--bcp-border);
  border-radius: var(--bcp-radius-sm);
  color: var(--bcp-text);
  font-family: var(--bcp-font);
  font-size: .9rem;
  transition: border-color var(--bcp-transition), box-shadow var(--bcp-transition);
}
.bcp-input-prefix .bcp-input { border: none; flex: 1; padding: .65rem .8rem; }
.bcp-input:focus, .bcp-input-prefix .bcp-input:focus { outline: none; box-shadow: 0 0 0 3px var(--bcp-gold-dim); }
.bcp-input-prefix:focus-within { border-color: var(--bcp-gold); box-shadow: 0 0 0 3px var(--bcp-gold-dim); }
.bcp-input::placeholder { color: var(--bcp-text-dim); }

.bcp-goal-result {
  background: linear-gradient(135deg, var(--bcp-surface-3), var(--bcp-surface-2));
  border: 1px solid var(--bcp-border);
  border-radius: var(--bcp-radius-sm);
  padding: .7rem 1.1rem;
  display: flex; flex-direction: column; gap: .2rem;
  min-width: 160px;
}
.bcp-goal-result-label { font-size: .72rem; color: var(--bcp-text-muted); text-transform: uppercase; letter-spacing: .06em; }
.bcp-goal-result-value { font-size: 1.2rem; font-weight: 700; color: var(--bcp-gold); }
.bcp-goal-status { font-size: .75rem; }
.bcp-goal-status.ok   { color: var(--bcp-income);  }
.bcp-goal-status.warn { color: var(--bcp-expense); }

/* ── ACTION BUTTONS ── */
.bcp-actions {
  display: flex; gap: 1rem; padding: 1.5rem 2.5rem;
  background: var(--bcp-bg);
  border-top: 1px solid var(--bcp-border);
  flex-wrap: wrap;
}
.bcp-btn {
  padding: .75rem 1.8rem;
  border-radius: var(--bcp-radius-sm);
  font-family: var(--bcp-font);
  font-size: .88rem;
  font-weight: 600;
  cursor: pointer;
  letter-spacing: .02em;
  transition: transform var(--bcp-transition), box-shadow var(--bcp-transition), background var(--bcp-transition);
  border: 1px solid var(--bcp-border);
}
.bcp-btn:hover  { transform: translateY(-2px); box-shadow: var(--bcp-shadow-sm); }
.bcp-btn:active { transform: translateY(0); }
.bcp-btn--reset { background: var(--bcp-surface-2); color: var(--bcp-text-muted); }
.bcp-btn--reset:hover { background: var(--bcp-expense-dim); color: var(--bcp-expense); border-color: var(--bcp-expense); }
.bcp-btn--print { background: var(--bcp-gold); color: #0d0f14; border-color: var(--bcp-gold); }
.bcp-btn--print:hover { background: #ffd84a; box-shadow: 0 4px 20px rgba(245,200,66,.35); }

/* ── TIPS ── */
.bcp-tips {
  padding: 2rem 2.5rem;
  background: var(--bcp-surface);
  border-top: 1px solid var(--bcp-border);
}
.bcp-tips-title {
  font-size: 1rem; font-weight: 600; margin-bottom: 1rem; color: var(--bcp-text);
}
.bcp-tips-list {
  list-style: none;
  display: flex; flex-direction: column; gap: .6rem;
}
.bcp-tips-list li {
  padding-left: 1.4rem;
  position: relative;
  font-size: .88rem;
  line-height: 1.55;
  color: var(--bcp-text-muted);
}
.bcp-tips-list li::before {
  content: '→';
  position: absolute; left: 0;
  color: var(--bcp-gold);
}
.bcp-tips-list strong { color: var(--bcp-text); font-weight: 600; }

/* ── BALANCE STATES ── */
.bcp-card--balance.is-negative .bcp-card-value { color: var(--bcp-expense); }
.bcp-card--balance.is-positive .bcp-card-value { color: var(--bcp-income); }

/* ── PRINT STYLES ── */
@media print {
  .bcp-actions, .bcp-add-btn, .bcp-entry-remove, .bcp-tips { display: none !important; }
  .bcp-wrap { box-shadow: none; border: 1px solid #ccc; background: #fff; color: #000; }
  .bcp-header { background: #f5f5f5; }
  .bcp-title, .bcp-card-value, .bcp-panel-total { color: #000; }
  .bcp-card-label, .bcp-text-muted { color: #555; }
}

/* ── RESPONSIVE ── */
@media (max-width: 540px) {
  .bcp-header { padding: 1.5rem; }
  .bcp-header-inner { flex-direction: column; align-items: flex-start; }
  .bcp-summary { grid-template-columns: 1fr 1fr; }
  .bcp-goal-section, .bcp-actions, .bcp-tips { padding: 1.5rem; }
  .bcp-progress-wrap { padding: 1.2rem 1.5rem; }
}