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

:root {
    --bg: #0d1117;
    --surface: #161b22;
    --border: #30363d;
    --text: #e6edf3;
    --text-muted: #8b949e;
    --accent: #2f81f7;
    --green: #22c55e;
    --red: #f85149;
    --yellow: #f0b72f;
    --radius: 12px;
    --font: 'Segoe UI', system-ui, sans-serif;
    --card-gradient: linear-gradient(135deg, #1a2332 0%, #162032 100%);
}

[data-theme="light"] {
    --bg: #f6f8fa;
    --surface: #ffffff;
    --border: #d0d7de;
    --text: #1f2328;
    --text-muted: #57606a;
    --accent: #0969da;
    --green: #16a34a;
    --red: #dc2626;
    --yellow: #d97706;
    --card-gradient: linear-gradient(135deg, #e8f4fd 0%, #dbeafe 100%);
}

html, body {
    min-height: 100%;
    background: var(--bg);
    color: var(--text);
    font-family: var(--font);
    transition: background-color 0.2s, color 0.2s;
}

/* ── HEADER ── */
.pm-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
    height: 56px;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 10;
}

.pm-back {
    font-size: 1.1rem;
    font-weight: 700;
    text-decoration: none;
    color: var(--text);
    opacity: 0.85;
    transition: opacity 0.15s;
    white-space: nowrap;
    min-width: 160px;
}
.pm-back:hover { opacity: 1; color: var(--text); }

.pm-header h1 {
    font-size: 1.05rem;
    font-weight: 700;
}

.pm-icon-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1.2rem;
    cursor: pointer;
    padding: 6px;
    border-radius: 8px;
    transition: background 0.15s;
}
.pm-icon-btn:hover { background: var(--border); color: var(--text); }

/* ── SCREENS ── */
.pm-screen { max-width: 500px; margin: 0 auto; padding: 24px 20px 60px; }
.hidden { display: none !important; }

/* ── SETUP ── */
.pm-setup-box {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px 24px;
    text-align: center;
    margin-top: 32px;
}
.pm-setup-icon { font-size: 3rem; margin-bottom: 16px; }
.pm-setup-box h2 { font-size: 1.4rem; margin-bottom: 10px; }
.pm-setup-box p { color: var(--text-muted); font-size: 0.95rem; line-height: 1.5; margin-bottom: 24px; }

.pm-setup-input-wrap {
    display: flex;
    align-items: center;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 10px;
    overflow: hidden;
    margin-bottom: 16px;
    transition: border-color 0.15s;
}
.pm-setup-input-wrap:focus-within { border-color: var(--accent); }
.pm-setup-input-wrap input {
    flex: 1;
    background: none;
    border: none;
    outline: none;
    padding: 14px 16px;
    font-size: 1.4rem;
    color: var(--text);
    font-weight: 600;
    width: 0;
}
.pm-setup-currency {
    padding: 0 16px 0 8px;
    color: var(--text-muted);
    font-size: 1.1rem;
    font-weight: 600;
}

/* ── BUTTONS ── */
.pm-btn-primary {
    width: 100%;
    background: var(--accent);
    color: #fff;
    border: none;
    padding: 13px;
    border-radius: 10px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.15s;
}
.pm-btn-primary:hover { background: #388bfd; }
.pm-btn-primary:disabled { opacity: 0.5; cursor: default; }

/* ── DAILY CARD ── */
.pm-daily-card {
    background: var(--card-gradient);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 32px 24px;
    text-align: center;
    margin-bottom: 16px;
}
.pm-daily-card.good  { border-color: rgba(34,197,94,0.4); }
.pm-daily-card.warn  { border-color: rgba(240,183,47,0.4); }
.pm-daily-card.bad   { border-color: rgba(248,81,73,0.4); }

.pm-daily-label { font-size: 0.85rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 12px; }

.pm-daily-amount-row { display: flex; align-items: flex-end; justify-content: center; gap: 8px; }
.pm-daily-amount {
    font-size: 4rem;
    font-weight: 800;
    line-height: 1;
    color: var(--green);
}
.pm-daily-card.warn .pm-daily-amount { color: var(--yellow); }
.pm-daily-card.bad  .pm-daily-amount { color: var(--red); }

.pm-daily-unit { font-size: 1.4rem; font-weight: 600; color: var(--text-muted); padding-bottom: 8px; }
.pm-daily-sub { font-size: 0.9rem; color: var(--text-muted); margin-top: 12px; }

/* ── STATS ROW ── */
.pm-stats-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    margin-bottom: 24px;
}
.pm-stat {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 14px 12px;
    text-align: center;
}
.pm-stat-label { font-size: 0.72rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 6px; }
.pm-stat-value { font-size: 1rem; font-weight: 700; }

/* ── ADD EXPENSE ── */
.pm-add-section { margin-bottom: 28px; }
.pm-add-section h3 { font-size: 0.9rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 12px; }

.pm-add-row {
    display: flex;
    gap: 8px;
    align-items: center;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 8px 12px;
    transition: border-color 0.15s;
}
.pm-add-row:focus-within { border-color: var(--accent); }
.pm-add-row input {
    background: none;
    border: none;
    outline: none;
    color: var(--text);
    font-size: 0.95rem;
    min-width: 0;
}
.pm-add-row input[type="number"] { width: 80px; font-weight: 600; }
.pm-add-row input[type="text"] { flex: 1; }
.pm-add-currency { color: var(--text-muted); font-size: 0.9rem; margin-right: 4px; }

.pm-add-row .pm-btn-primary {
    width: auto;
    padding: 8px 18px;
    font-size: 0.9rem;
    border-radius: 8px;
    flex-shrink: 0;
}

/* ── EXPENSE LIST ── */
.pm-list-section { margin-bottom: 28px; }
.pm-list-section h3 { font-size: 0.9rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 12px; }

.pm-expense-list { display: flex; flex-direction: column; gap: 8px; }
.pm-expense-item {
    display: flex;
    align-items: center;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 12px 16px;
}
.pm-expense-note { flex: 1; font-size: 0.95rem; color: var(--text-muted); }
.pm-expense-note.has-note { color: var(--text); }
.pm-expense-amount { font-weight: 700; font-size: 1rem; color: var(--red); margin-right: 12px; }
.pm-expense-delete {
    background: none;
    border: none;
    color: var(--border);
    cursor: pointer;
    font-size: 1rem;
    line-height: 1;
    padding: 2px 4px;
    border-radius: 4px;
    transition: color 0.15s;
}
.pm-expense-delete:hover { color: var(--red); }

.pm-empty { color: var(--text-muted); font-size: 0.9rem; padding: 12px 0; }

/* ── HISTORY ── */
.pm-history-list { display: flex; flex-direction: column; gap: 8px; }
.pm-history-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 12px 16px;
}
.pm-history-date { font-size: 0.85rem; color: var(--text-muted); }
.pm-history-spent { font-size: 0.95rem; color: var(--text); }
.pm-history-allowance { font-size: 0.85rem; color: var(--text-muted); }