/* ============================================================
   style.css — Financier Pro Design System
   ============================================================ */

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

/* === TOKENS === */
:root {
    --bg:         #f9f9fb;
    --surface:    #ffffff;
    --card:       #ffffff;
    --card-hover: #f3f4f6;
    --border:     #e5e7eb;
    --accent:     #111827;
    --accent-dim: rgba(17,24,39,0.05);
    --accent-h:   #374151;
    --success:    #10b981;
    --success-dim:rgba(16,185,129,0.1);
    --warning:    #f59e0b;
    --warning-dim:rgba(245,158,11,0.1);
    --danger:     #ef4444;
    --danger-dim: rgba(239,68,68,0.1);
    --text:       #111827;
    --muted:      #6b7280;
    --r-card:     16px;
    --r-btn:      10px;
    --r-input:    10px;
    --shadow:     0 2px 10px rgba(0,0,0,0.03);
    --t:          0.2s ease;
}

[data-theme="dark"] {
    --bg:         #0a0a0c;
    --surface:    #121216;
    --card:       #18181c;
    --card-hover: #222228;
    --border:     #2b2b36;
    --accent:     #ffffff;
    --accent-dim: rgba(255,255,255,0.08);
    --accent-h:   #e5e5e5;
    --success:    #10b981;
    --success-dim:rgba(16,185,129,0.15);
    --warning:    #f59e0b;
    --warning-dim:rgba(245,158,11,0.15);
    --danger:     #ef4444;
    --danger-dim: rgba(239,68,68,0.15);
    --text:       #f9fafb;
    --muted:      #9ca3af;
    --shadow:     0 4px 20px rgba(0,0,0,0.3);
}

/* === RESET === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; -webkit-tap-highlight-color: transparent; }
body {
    font-family: 'Inter', system-ui, sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100dvh;
    overflow-x: hidden;
}
button { font-family: inherit; cursor: pointer; border: none; outline: none; }
input  { font-family: inherit; outline: none; }
a      { text-decoration: none; color: inherit; }

/* === APP SHELL === */
#app {
    max-width: 480px;
    margin: 0 auto;
    min-height: 100dvh;
    position: relative;
}

/* === SCREEN === */
.screen {
    display: none;
    flex-direction: column;
    min-height: 100dvh;
    padding-bottom: 80px;
    animation: fadeSlide 0.25s ease;
}
.screen.active { display: flex; }
@keyframes fadeSlide {
    from { opacity: 0; transform: translateY(10px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* === BOTTOM NAV === */
.bottom-nav {
    position: fixed;
    bottom: 0; left: 50%;
    transform: translateX(-50%);
    width: 100%; max-width: 480px;
    background: var(--surface);
    opacity: 0.96;
    backdrop-filter: blur(20px);
    border-top: 1px solid var(--border);
    display: flex;
    z-index: 100;
    padding: 8px 0 env(safe-area-inset-bottom, 8px);
}
.nav-item {
    flex: 1; display: flex; flex-direction: column;
    align-items: center; gap: 4px;
    padding: 8px 4px;
    font-size: 10px; font-weight: 500;
    color: var(--muted);
    background: none;
    transition: color var(--t);
}
.nav-item svg { width: 22px; height: 22px; }
.nav-item.active { color: var(--accent); }
.nav-item:hover  { color: var(--accent-h); }

/* === HEADER === */
.page-header {
    padding: 52px 20px 16px;
    background: var(--bg);
}
.page-header h1 { font-size: 24px; font-weight: 700; letter-spacing: -0.5px; }
.page-header p  { font-size: 14px; color: var(--muted); margin-top: 4px; }

/* === CARDS === */
.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--r-card);
    padding: 20px;
    transition: background var(--t), transform var(--t);
}
.card:hover { background: var(--card-hover); }
.card.clickable { cursor: pointer; }
.card.clickable:hover { transform: translateY(-2px); }

/* === BUTTONS === */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    padding: 14px 24px;
    border-radius: var(--r-btn);
    font-size: 15px; font-weight: 600;
    transition: all var(--t);
    width: 100%;
}
.btn-primary {
    background: var(--accent);
    color: var(--bg);
}
.btn-primary:hover:not(:disabled) {
    background: var(--accent-h);
    box-shadow: 0 4px 20px var(--accent-dim);
    transform: translateY(-1px);
}
.btn-secondary {
    background: var(--card);
    color: var(--text);
    border: 1px solid var(--border);
}
.btn-secondary:hover:not(:disabled) { background: var(--card-hover); }
.btn-success {
    background: var(--success);
    color: #fff;
}
.btn-success:hover:not(:disabled) {
    filter: brightness(1.1);
    box-shadow: 0 4px 20px rgba(34,197,94,0.35);
}
.btn-danger {
    background: var(--danger-dim);
    color: var(--danger);
    border: 1px solid rgba(239,68,68,0.2);
}
.btn-danger:hover:not(:disabled) { background: var(--danger); color: #fff; }
.btn:disabled { opacity: 0.4; cursor: not-allowed; transform: none !important; }
.btn-sm { padding: 10px 18px; font-size: 13px; }
.btn-icon {
    width: 40px; height: 40px; padding: 0;
    border-radius: 10px;
    background: var(--card);
    border: 1px solid var(--border);
}
.btn-icon:hover { background: var(--card-hover); }

/* === INPUTS === */
.input-group { display: flex; flex-direction: column; gap: 6px; }
.input-label { font-size: 13px; font-weight: 500; color: var(--muted); }
.input-field {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--r-input);
    padding: 13px 16px;
    font-size: 15px; color: var(--text);
    transition: border-color var(--t), box-shadow var(--t);
    width: 100%;
}
.input-field:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-dim);
}
.input-field::placeholder { color: var(--muted); }
.input-rp {
    display: flex; align-items: center;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--r-input);
    overflow: hidden;
    transition: border-color var(--t), box-shadow var(--t);
}
.input-rp:focus-within {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-dim);
}
.input-rp span {
    padding: 13px 14px;
    font-size: 14px; color: var(--muted); font-weight: 500;
    border-right: 1px solid var(--border);
    white-space: nowrap;
}
.input-rp input {
    flex: 1; background: none; border: none;
    padding: 13px 14px;
    font-size: 15px; color: var(--text);
}
.input-rp input::placeholder { color: var(--muted); }

/* === BADGES === */
.badge {
    display: inline-flex; align-items: center; gap: 5px;
    padding: 4px 10px; border-radius: 20px;
    font-size: 12px; font-weight: 600;
}
.badge-success { background: var(--success-dim); color: var(--success); }
.badge-warning { background: var(--warning-dim); color: var(--warning); }
.badge-danger  { background: var(--danger-dim);  color: var(--danger); }
.badge-accent  { background: var(--accent-dim);  color: var(--accent); }

/* === ALERT BANNER === */
.alert-banner {
    margin: 0 16px 16px;
    padding: 14px 16px;
    border-radius: 14px;
    font-size: 13px; font-weight: 500;
    display: flex; align-items: center; gap: 10px;
}
.alert-banner.danger  { background: var(--danger-dim);  border: 1px solid rgba(239,68,68,0.2); color: var(--danger); }
.alert-banner.success { background: var(--success-dim); border: 1px solid rgba(34,197,94,0.2); color: var(--success); }
.alert-banner.warning { background: var(--warning-dim); border: 1px solid rgba(245,158,11,0.2); color: var(--warning); }

/* === DIVIDER === */
.divider { height: 1px; background: var(--border); margin: 16px 0; }

/* === SPACER === */
.spacer-sm { height: 8px; }
.spacer    { height: 16px; }
.spacer-lg { height: 24px; }

/* === SECTION PADDING === */
.px { padding: 0 16px; }
.px-lg { padding: 0 20px; }

/* ============================================================
   SCREEN: PIN
   ============================================================ */
#screen-pin {
    justify-content: center; align-items: center;
    min-height: 100dvh; padding: 40px 32px;
    background: var(--bg);
    padding-bottom: 40px;
}
.pin-logo {
    font-size: 48px; margin-bottom: 8px; text-align: center;
}
.pin-title {
    font-size: 22px; font-weight: 700; text-align: center;
    margin-bottom: 4px;
}
.pin-subtitle {
    font-size: 14px; color: var(--muted); text-align: center;
    margin-bottom: 40px;
}
.pin-dots {
    display: flex; gap: 16px; justify-content: center;
    margin-bottom: 40px;
}
.pin-dot {
    width: 16px; height: 16px; border-radius: 50%;
    background: var(--border);
    border: 2px solid var(--border);
    transition: all 0.2s ease;
}
.pin-dot.filled {
    background: var(--accent);
    border-color: var(--accent);
    box-shadow: 0 0 12px var(--accent-dim);
}
.pin-keypad {
    display: grid; grid-template-columns: repeat(3, 1fr);
    gap: 12px; width: 100%; max-width: 280px;
}
.pin-key {
    height: 64px; border-radius: 16px;
    background: var(--card);
    border: 1px solid var(--border);
    font-size: 22px; font-weight: 600;
    color: var(--text);
    transition: all 0.15s ease;
    display: flex; align-items: center; justify-content: center;
}
.pin-key:hover   { background: var(--card-hover); }
.pin-key:active  { transform: scale(0.94); background: var(--accent-dim); }
.pin-key.del     { font-size: 18px; color: var(--muted); }
.pin-key.empty   { background: transparent; border-color: transparent; pointer-events: none; }
.pin-error { color: var(--danger); font-size: 13px; text-align: center; margin-top: 16px; min-height: 20px; }
@keyframes shake {
    0%,100%{transform:translateX(0)} 20%,60%{transform:translateX(-8px)} 40%,80%{transform:translateX(8px)}
}
.pin-dots.shake { animation: shake 0.4s ease; }

/* ============================================================
   SCREEN: DASHBOARD
   ============================================================ */
.dashboard-hero {
    padding: 52px 20px 20px;
    background: var(--bg);
}
.dashboard-greeting { font-size: 13px; color: var(--muted); margin-bottom: 4px; }
.dashboard-title { font-size: 26px; font-weight: 800; letter-spacing: -0.5px; }
.pocket-grid {
    display: grid; grid-template-columns: 1fr 1fr;
    gap: 12px; padding: 0 16px;
}
.pocket-card {
    border-radius: 18px; padding: 18px 16px;
    cursor: pointer;
    transition: transform var(--t), filter var(--t);
    position: relative; overflow: hidden;
}
.pocket-card::before {
    content: ''; position: absolute;
    top: -40%; right: -20%;
    width: 80%; padding-bottom: 80%;
    border-radius: 50%;
    background: rgba(255,255,255,0.06);
}
.pocket-card:hover  { transform: translateY(-3px); filter: brightness(1.08); }
.pocket-card:active { transform: scale(0.97); }
.pocket-card-name { font-size: 12px; font-weight: 500; opacity: 0.8; margin-bottom: 8px; }
.pocket-card-balance { font-size: 18px; font-weight: 700; line-height: 1.2; }
.pocket-card-balance.deficit { color: var(--danger); }

/* ============================================================
   SCREEN: SETTINGS
   ============================================================ */
.pocket-row {
    display: flex; align-items: center; gap: 10px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 14px; padding: 12px 14px;
    margin-bottom: 10px;
    animation: fadeSlide 0.2s ease;
}
.pocket-color-dot {
    width: 14px; height: 14px; border-radius: 50%; flex-shrink: 0;
}
.pocket-row input[type="text"] {
    flex: 1; background: none; border: none;
    font-size: 14px; font-weight: 500; color: var(--text);
}
.pocket-row input[type="text"]:focus { outline: none; }
.pocket-pct-wrap {
    display: flex; align-items: center; gap: 4px;
}
.pocket-pct-input {
    width: 52px; background: var(--card);
    border: 1px solid var(--border);
    border-radius: 8px; padding: 6px 8px;
    font-size: 13px; font-weight: 600; color: var(--text);
    text-align: right;
}
.pocket-pct-input:focus { border-color: var(--accent); }
.pocket-pct-label { font-size: 12px; color: var(--muted); }

.pct-progress-bar {
    height: 6px; border-radius: 3px;
    background: var(--surface);
    overflow: hidden; margin: 8px 0 6px;
}
.pct-progress-fill {
    height: 100%; border-radius: 3px;
    transition: width 0.3s ease, background 0.3s ease;
}
.pct-progress-label {
    font-size: 12px; font-weight: 600; text-align: right;
}

.color-picker-row {
    display: flex; gap: 8px; flex-wrap: wrap;
}
.color-swatch {
    width: 28px; height: 28px; border-radius: 50%;
    cursor: pointer; border: 2px solid transparent;
    transition: transform 0.15s ease, border-color 0.15s ease;
}
.color-swatch:hover   { transform: scale(1.15); }
.color-swatch.selected { border-color: white; transform: scale(1.1); }

/* ============================================================
   SCREEN: ALLOCATION PREVIEW
   ============================================================ */
.calc-breakdown {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 18px; overflow: hidden;
}
.calc-row {
    display: flex; justify-content: space-between; align-items: center;
    padding: 14px 18px;
    border-bottom: 1px solid var(--border);
    font-size: 14px;
}
.calc-row:last-child { border-bottom: none; }
.calc-row.total {
    background: var(--accent-dim);
    font-weight: 700; font-size: 16px;
}
.calc-row.income { color: var(--success); }
.calc-row.deduct { color: var(--danger); }
.calc-row.result { color: var(--accent); font-weight: 600; }
.calc-label { color: var(--muted); font-size: 13px; }
.calc-amount { font-weight: 600; }

/* ============================================================
   SCREEN: CHECKLIST
   ============================================================ */
.checklist-item {
    display: flex; align-items: center; gap: 14px;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 16px; padding: 16px;
    margin-bottom: 10px;
    transition: all var(--t);
    cursor: pointer;
}
.checklist-item.checked {
    background: var(--success-dim);
    border-color: rgba(34,197,94,0.2);
}
.check-box {
    width: 26px; height: 26px; flex-shrink: 0;
    border-radius: 8px;
    border: 2px solid var(--border);
    background: var(--surface);
    display: flex; align-items: center; justify-content: center;
    transition: all 0.2s ease;
    font-size: 14px;
}
.checklist-item.checked .check-box {
    background: var(--success);
    border-color: var(--success);
    color: #fff;
}
.check-info { flex: 1; }
.check-name  { font-size: 14px; font-weight: 600; }
.check-type  { font-size: 11px; color: var(--muted); margin-top: 2px; }
.check-amount { font-size: 16px; font-weight: 700; }

.checklist-progress {
    text-align: center; padding: 16px;
    font-size: 13px; color: var(--muted);
}
.checklist-progress strong { color: var(--accent); }

/* ============================================================
   SCREEN: POCKET DETAIL
   ============================================================ */
.pocket-hero {
    padding: 48px 20px 24px;
    text-align: center;
    position: relative;
}
.pocket-hero-name { font-size: 16px; color: var(--muted); margin-bottom: 8px; }
.pocket-hero-balance { font-size: 36px; font-weight: 800; letter-spacing: -1px; }
.pocket-hero-balance.deficit { color: var(--danger); }
.pocket-hero-actions { display: flex; gap: 10px; margin-top: 20px; }

.txn-item {
    display: flex; align-items: center; gap: 12px;
    padding: 14px 16px;
    border-bottom: 1px solid var(--border);
}
.txn-item:last-child { border-bottom: none; }
.txn-icon {
    width: 38px; height: 38px; border-radius: 12px;
    display: flex; align-items: center; justify-content: center;
    font-size: 16px; flex-shrink: 0;
}
.txn-icon.in  { background: var(--success-dim); }
.txn-icon.out { background: var(--danger-dim); }
.txn-info { flex: 1; min-width: 0; }
.txn-desc { font-size: 14px; font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.txn-date { font-size: 12px; color: var(--muted); margin-top: 2px; }
.txn-amount { font-size: 15px; font-weight: 700; flex-shrink: 0; }
.txn-amount.in  { color: var(--success); }
.txn-amount.out { color: var(--danger); }

/* === MODAL / SLIDE-UP === */
.modal-overlay {
    position: fixed; inset: 0; z-index: 200;
    background: rgba(0,0,0,0.6);
    backdrop-filter: blur(4px);
    display: flex; align-items: flex-end;
    opacity: 0; pointer-events: none;
    transition: opacity 0.25s ease;
}
.modal-overlay.open { opacity: 1; pointer-events: all; }
.modal-sheet {
    width: 100%; max-width: 480px; margin: 0 auto;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 24px 24px 0 0;
    padding: 24px 20px 40px;
    transform: translateY(100%);
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.modal-overlay.open .modal-sheet { transform: translateY(0); }
.modal-handle {
    width: 40px; height: 4px; border-radius: 2px;
    background: var(--border); margin: 0 auto 20px;
}
.modal-title { font-size: 18px; font-weight: 700; margin-bottom: 20px; }

/* ============================================================
   SCREEN: HISTORY
   ============================================================ */
.history-item {
    background: var(--card); border: 1px solid var(--border);
    border-radius: 16px; padding: 16px 18px;
    margin-bottom: 10px; cursor: pointer;
    transition: all var(--t);
    display: flex; justify-content: space-between; align-items: center;
}
.history-item:hover { background: var(--card-hover); transform: translateX(4px); }
.history-month { font-size: 15px; font-weight: 600; margin-bottom: 4px; }
.history-amount { font-size: 13px; color: var(--muted); }

/* === EMPTY STATE === */
.empty-state {
    text-align: center; padding: 48px 24px;
    color: var(--muted);
}
.empty-state .icon { font-size: 48px; margin-bottom: 12px; }
.empty-state p { font-size: 14px; line-height: 1.6; }

/* === LOADING === */
.loading {
    display: flex; justify-content: center; align-items: center;
    padding: 48px;
}
.spinner {
    width: 36px; height: 36px;
    border: 3px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* === TOAST NOTIFICATION === */
#toast-container {
    position: fixed; top: 16px; left: 50%;
    transform: translateX(-50%);
    z-index: 999;
    display: flex; flex-direction: column; gap: 8px;
    pointer-events: none;
    width: calc(100% - 32px); max-width: 440px;
}
.toast {
    padding: 12px 18px;
    border-radius: 12px;
    font-size: 14px; font-weight: 500;
    display: flex; align-items: center; gap: 10px;
    pointer-events: all;
    animation: toastIn 0.3s ease;
    box-shadow: var(--shadow);
}
.toast.success { background: var(--surface); border: 1px solid var(--success); color: var(--success); }
.toast.error   { background: var(--surface); border: 1px solid var(--danger);  color: var(--danger); }
.toast.info    { background: var(--surface); border: 1px solid var(--border);  color: var(--text); }
@keyframes toastIn {
    from { opacity:0; transform:translateY(-10px); }
    to   { opacity:1; transform:translateY(0); }
}

/* === BACK BUTTON === */
.back-btn {
    position: absolute; top: 52px; left: 16px;
    width: 38px; height: 38px; border-radius: 12px;
    background: var(--card); border: 1px solid var(--border);
    display: flex; align-items: center; justify-content: center;
    font-size: 18px; cursor: pointer;
    transition: background var(--t);
}
.back-btn:hover { background: var(--card-hover); }

/* === SECTION TITLE === */
.section-title {
    font-size: 12px; font-weight: 600;
    color: var(--muted); letter-spacing: 0.8px;
    text-transform: uppercase;
    padding: 0 16px; margin-bottom: 10px; margin-top: 20px;
}

/* === SCROLL AREA === */
.scroll-area { overflow-y: auto; flex: 1; }

/* === TOGGLE SWITCH === */
.switch {
  position: relative;
  display: inline-block;
  width: 44px;
  height: 24px;
}
.switch input { 
  opacity: 0;
  width: 0;
  height: 0;
}
.slider {
  position: absolute;
  cursor: pointer;
  top: 0; left: 0; right: 0; bottom: 0;
  background-color: var(--border);
  transition: .4s;
  border-radius: 24px;
}
.slider:before {
  position: absolute;
  content: "";
  height: 18px;
  width: 18px;
  left: 3px;
  bottom: 3px;
  background-color: white;
  transition: .4s;
  border-radius: 50%;
  box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}
input:checked + .slider {
  background-color: var(--accent);
}
input:checked + .slider:before {
  transform: translateX(20px);
  background-color: var(--bg);
}

/* === CONFETTI === */
@keyframes confetti-fall {
    0%   { transform: translateY(-20px) rotate(0deg); opacity: 1; }
    100% { transform: translateY(120vh) rotate(720deg); opacity: 0; }
}
.confetti-piece {
    position: fixed; width: 10px; height: 10px;
    border-radius: 2px; pointer-events: none; z-index: 9999;
    animation: confetti-fall 2s ease-in forwards;
}