/* PeraFlow premium UI */
:root {
    color-scheme: dark;
    --bg: #080A0D;
    --bg-2: #10151B;
    --panel: rgba(20, 26, 33, 0.78);
    --panel-solid: #141A21;
    --panel-soft: rgba(255, 255, 255, 0.04);
    --border: rgba(255, 255, 255, 0.10);
    --border-strong: rgba(205, 184, 122, 0.30);
    --text: #F4F1E8;
    --muted: #A7A99F;
    --faint: #70756F;
    --accent: #CDB87A;
    --accent-2: #6FC7A2;
    --danger: #D97878;
    --warning: #E7C36A;
    --success: #75D7A6;
    --shadow: 0 24px 80px rgba(0, 0, 0, 0.42);
    --small-shadow: 0 14px 40px rgba(0, 0, 0, 0.28);
    --radius-lg: 28px;
    --radius-md: 20px;
    --radius-sm: 14px;
    --font: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    --display: "Plus Jakarta Sans", Inter, sans-serif;
}

html[data-theme="day"] {
    color-scheme: light;
    --bg: #F6F0E5;
    --bg-2: #EEE7DA;
    --panel: rgba(255, 252, 244, 0.82);
    --panel-solid: #FFFCF4;
    --panel-soft: rgba(30, 33, 30, 0.04);
    --border: rgba(38, 36, 31, 0.10);
    --border-strong: rgba(152, 130, 71, 0.32);
    --text: #21211E;
    --muted: #666A61;
    --faint: #8A8E85;
    --accent: #A2813A;
    --accent-2: #307F66;
    --danger: #B25050;
    --warning: #B9891A;
    --success: #2D8D68;
    --shadow: 0 26px 90px rgba(78, 58, 24, 0.15);
    --small-shadow: 0 18px 45px rgba(78, 58, 24, 0.10);
}

* { box-sizing: border-box; }
body {
    margin: 0;
    min-height: 100vh;
    font-family: var(--font);
    background:
        radial-gradient(circle at 20% 0%, rgba(205, 184, 122, 0.14), transparent 34rem),
        radial-gradient(circle at 92% 12%, rgba(111, 199, 162, 0.10), transparent 26rem),
        linear-gradient(145deg, var(--bg), var(--bg-2));
    color: var(--text);
    transition: background 0.35s ease, color 0.35s ease;
}
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }

.public-shell { padding: 24px; }
.public-flash { max-width: 560px; margin: 12px auto; }

.landing-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1180px;
    margin: 0 auto 56px;
    padding: 14px 0;
}
.landing-nav > div { display: flex; align-items: center; gap: 14px; }
.brand { display: inline-flex; align-items: center; gap: 12px; }
.brand-mark {
    display: inline-grid;
    place-items: center;
    width: 42px;
    height: 42px;
    border-radius: 16px;
    background: linear-gradient(145deg, var(--accent), var(--accent-2));
    color: #111;
    font-family: var(--display);
    font-weight: 800;
    box-shadow: var(--small-shadow);
}
.brand strong { display: block; font-family: var(--display); letter-spacing: -0.03em; }
.brand small { display: block; color: var(--muted); font-size: 12px; margin-top: 1px; }
.hero-section {
    max-width: 1180px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: minmax(0, 1.08fr) minmax(340px, 0.92fr);
    gap: 40px;
    align-items: center;
}
.eyebrow {
    margin: 0 0 10px;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    color: var(--accent);
    font-size: 11px;
    font-weight: 800;
}
.hero-copy h1, .auth-card h1, .topbar h1, .panel h2, .why-section h2 {
    font-family: var(--display);
    letter-spacing: -0.055em;
}
.hero-copy h1 { font-size: clamp(46px, 7vw, 88px); line-height: 0.94; margin: 0; max-width: 780px; }
.hero-subtitle { color: var(--muted); font-size: 18px; line-height: 1.75; max-width: 660px; margin: 28px 0; }
.hero-actions, .trust-row { display: flex; gap: 14px; flex-wrap: wrap; align-items: center; }
.trust-row { margin-top: 28px; color: var(--muted); font-size: 13px; }
.trust-row span { border: 1px solid var(--border); padding: 8px 12px; border-radius: 999px; background: var(--panel-soft); }
.btn {
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 12px 18px;
    background: var(--panel-soft);
    color: var(--text);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-weight: 700;
    transition: transform .18s ease, border .18s ease, background .18s ease;
}
.btn:hover { transform: translateY(-1px); border-color: var(--border-strong); }
.btn-primary { background: linear-gradient(145deg, var(--accent), var(--accent-2)); color: #111; border: 0; }
.btn-secondary { background: var(--panel-soft); }
.full { width: 100%; }
.theme-toggle {
    border: 1px solid var(--border);
    color: var(--text);
    background: var(--panel);
    border-radius: 999px;
    padding: 10px 13px;
    min-width: 48px;
    box-shadow: var(--small-shadow);
}
.theme-toggle.ghost { box-shadow: none; }
.luxe-card, .panel, .auth-card, .metric-card, .feature-card {
    background: var(--panel);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    backdrop-filter: blur(22px);
}
.app-preview { border-radius: 36px; padding: 24px; min-height: 460px; position: relative; overflow: hidden; }
.app-preview::after {
    content: "";
    position: absolute;
    inset: auto -40% -45% 16%;
    height: 260px;
    background: radial-gradient(circle, rgba(205,184,122,.25), transparent 70%);
}
.preview-header { display: flex; gap: 8px; margin-bottom: 32px; }
.preview-header span { width: 10px; height: 10px; border-radius: 50%; background: var(--border-strong); }
.preview-balance { padding: 28px; border: 1px solid var(--border); border-radius: 28px; background: var(--panel-soft); margin-bottom: 18px; }
.preview-balance small, .preview-grid small { color: var(--muted); display: block; }
.preview-balance strong { display: block; font-size: 42px; letter-spacing: -0.06em; margin: 8px 0; }
.preview-balance em { color: var(--accent-2); font-style: normal; }
.preview-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; position: relative; z-index: 1; }
.preview-grid div { padding: 20px; border-radius: 22px; background: var(--panel-soft); border: 1px solid var(--border); }
.preview-grid strong { display: block; font-size: 24px; margin-top: 8px; }
.bar-list { margin-top: 22px; position: relative; z-index: 1; display: grid; gap: 12px; }
.bar-list span { height: 12px; border-radius: 999px; background: linear-gradient(90deg, var(--accent), var(--accent-2)); width: var(--w); opacity: .75; }
.feature-section { max-width: 1180px; margin: 64px auto; display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.feature-card { border-radius: 24px; padding: 24px; box-shadow: var(--small-shadow); }
.feature-card h3 { margin: 16px 0 8px; }
.feature-card p, .why-section p { color: var(--muted); line-height: 1.65; }
.dot { width: 11px; height: 11px; display: inline-block; border-radius: 50%; background: var(--accent); }
.why-section { max-width: 1180px; margin: 0 auto 50px; border-radius: 32px; padding: 34px; display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.why-section h2 { font-size: 34px; margin: 0; }

.auth-page { min-height: calc(100vh - 48px); display: grid; place-items: center; }
.auth-brand { margin-bottom: 22px; }
.auth-card { width: min(470px, calc(100vw - 32px)); border-radius: 34px; padding: 34px; }
.auth-card h1 { font-size: 34px; margin: 0 0 22px; }
.auth-note { color: var(--muted); text-align: center; font-size: 14px; }
.auth-note a { color: var(--accent); font-weight: 800; }

.app-shell { display: grid; grid-template-columns: 280px minmax(0, 1fr); }
.sidebar {
    position: sticky;
    top: 0;
    min-height: 100vh;
    padding: 24px;
    border-right: 1px solid var(--border);
    background: rgba(0,0,0,.12);
    backdrop-filter: blur(22px);
}
.side-nav { display: grid; gap: 8px; margin: 32px 0; }
.side-nav a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 13px 14px;
    border-radius: 16px;
    color: var(--muted);
    border: 1px solid transparent;
}
.side-nav a span { width: 24px; text-align: center; color: var(--accent); }
.side-nav a.active, .side-nav a:hover { color: var(--text); border-color: var(--border); background: var(--panel-soft); }
.sidebar-card { padding: 18px; border-radius: 22px; background: var(--panel-soft); border: 1px solid var(--border); color: var(--muted); }
.sidebar-card p, .sidebar-card strong, .sidebar-card small { display: block; margin: 0 0 8px; }
.sidebar-card strong { color: var(--text); font-size: 18px; }
.logout-link { display: block; margin-top: 24px; color: var(--danger); font-weight: 800; }
.main-content { padding: 28px; min-width: 0; }
.topbar { display: flex; align-items: center; justify-content: space-between; margin-bottom: 24px; gap: 16px; }
.topbar h1 { font-size: clamp(28px, 4vw, 48px); margin: 0; }
.topbar-actions { display: flex; align-items: center; gap: 12px; }
.avatar-chip { display: inline-flex; align-items: center; gap: 10px; border: 1px solid var(--border); padding: 8px 13px 8px 8px; border-radius: 999px; background: var(--panel); }
.avatar-chip span, .profile-orb { display: inline-grid; place-items: center; width: 36px; height: 36px; border-radius: 50%; background: linear-gradient(145deg, var(--accent), var(--accent-2)); color: #111; font-weight: 900; }
.alert { border: 1px solid var(--border); border-radius: 18px; padding: 14px 16px; margin-bottom: 20px; background: var(--panel); color: var(--text); }
.alert-danger { border-color: rgba(217,120,120,.38); }
.alert-warning { border-color: rgba(231,195,106,.38); }
.alert-success { border-color: rgba(117,215,166,.38); }
.month-filter, .filters { display: flex; flex-wrap: wrap; gap: 10px; align-items: end; margin-bottom: 18px; }
.month-filter label { color: var(--muted); }
.metric-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; margin-bottom: 18px; }
.metric-card { border-radius: 26px; padding: 22px; box-shadow: var(--small-shadow); min-height: 146px; }
.metric-card span { display: block; color: var(--muted); font-size: 13px; margin-bottom: 12px; }
.metric-card strong { display: block; font-family: var(--display); letter-spacing: -0.05em; font-size: clamp(24px, 2.6vw, 35px); }
.metric-card em { display: block; color: var(--faint); font-style: normal; margin-top: 12px; font-size: 13px; }
.metric-card.featured { border-color: var(--border-strong); background: linear-gradient(145deg, var(--panel), rgba(205,184,122,.12)); }
.content-grid { display: grid; gap: 18px; margin-bottom: 18px; }
.content-grid.two { grid-template-columns: minmax(0, 1.2fr) minmax(320px, .8fr); }
.content-grid.form-list { grid-template-columns: 390px minmax(0, 1fr); align-items: start; }
.panel { border-radius: var(--radius-lg); padding: 24px; overflow: hidden; }
.large-panel { min-height: 360px; }
.panel-head { display: flex; justify-content: space-between; gap: 16px; align-items: start; margin-bottom: 18px; }
.panel-head h2 { margin: 0; font-size: 24px; }
.panel-head a { color: var(--accent); font-weight: 800; font-size: 14px; }
.stack-list { display: grid; gap: 12px; }
.stack-list.compact { gap: 8px; margin-bottom: 16px; }
.list-item { display: flex; justify-content: space-between; gap: 14px; align-items: center; padding: 14px; border: 1px solid var(--border); border-radius: 18px; background: var(--panel-soft); }
.list-item strong, .list-item small { display: block; }
.list-item small { color: var(--muted); margin-top: 4px; }
.list-item .right { text-align: right; display: grid; gap: 6px; justify-items: end; }
.pill { display: inline-flex; border-radius: 999px; padding: 5px 9px; font-size: 12px; font-weight: 800; border: 1px solid var(--border); }
.pill.success { color: var(--success); border-color: rgba(117,215,166,.3); background: rgba(117,215,166,.08); }
.pill.warning { color: var(--warning); border-color: rgba(231,195,106,.3); background: rgba(231,195,106,.08); }
.pill.danger { color: var(--danger); border-color: rgba(217,120,120,.3); background: rgba(217,120,120,.08); }
.pill.muted { color: var(--muted); }
.table-wrap { overflow-x: auto; border-radius: 20px; border: 1px solid var(--border); }
table { width: 100%; border-collapse: collapse; min-width: 700px; }
th, td { text-align: left; padding: 15px 16px; border-bottom: 1px solid var(--border); vertical-align: middle; }
th { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .12em; }
td small { color: var(--muted); display: block; margin-top: 4px; }
tr:last-child td { border-bottom: 0; }
.num { text-align: right; }
.empty { color: var(--muted); text-align: center; padding: 20px; }
.actions { display: flex; gap: 10px; align-items: center; justify-content: flex-end; }
.actions a, .actions button, .text-delete { border: 0; background: transparent; color: var(--accent); font-weight: 800; padding: 0; }
.actions button, .text-delete { color: var(--danger); }
.smart-form { display: grid; gap: 14px; }
.smart-form label, .filters label { display: grid; gap: 8px; color: var(--muted); font-size: 13px; font-weight: 700; }
input, select, textarea {
    width: 100%;
    border: 1px solid var(--border);
    border-radius: 16px;
    background: var(--panel-soft);
    color: var(--text);
    padding: 13px 14px;
    outline: none;
    transition: border .18s ease, box-shadow .18s ease, background .18s ease;
}
input:focus, select:focus, textarea:focus { border-color: var(--border-strong); box-shadow: 0 0 0 4px rgba(205,184,122,.10); }
textarea { resize: vertical; }
.filters input, .filters select { min-width: 170px; }
.mini-summary { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; margin: 14px 0; }
.mini-summary div { padding: 14px; border-radius: 18px; border: 1px solid var(--border); background: var(--panel-soft); }
.mini-summary span { display: block; color: var(--muted); font-size: 12px; }
.mini-summary strong { display: block; margin-top: 4px; }
.calendar-layout { grid-template-columns: minmax(0, 1fr) 360px; align-items: start; }
.calendar-grid { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 10px; }
.weekdays { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .12em; margin-bottom: 10px; }
.weekdays span { text-align: center; }
.calendar-day {
    min-height: 110px;
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 12px;
    background: var(--panel-soft);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}
.calendar-day.selected { border-color: var(--border-strong); box-shadow: inset 0 0 0 1px var(--border-strong); }
.ghost-day { opacity: .3; }
.indicators { display: flex; flex-wrap: wrap; gap: 5px; }
.indicators .dot { width: 9px; height: 9px; }
.dot.income { background: var(--success); }
.dot.expense { background: var(--danger); }
.dot.bill { background: var(--warning); }
.dot.subscription { background: var(--accent); }
.note-form { margin: 16px 0; }
.profile-summary { text-align: center; }
.profile-orb { width: 82px; height: 82px; margin: 20px auto 14px; font-size: 32px; }
.section-label { margin: 22px 0 10px; font-size: 14px; color: var(--muted); text-transform: uppercase; letter-spacing: .12em; }
.tag-cloud { display: flex; flex-wrap: wrap; gap: 8px; }
.tag-cloud button { border: 1px solid var(--border); border-radius: 999px; padding: 8px 12px; background: var(--panel-soft); color: var(--text); }
.progress-line { width: 100%; height: 8px; border-radius: 999px; background: var(--panel-soft); overflow: hidden; margin-bottom: 6px; }
.progress-line span { display: block; height: 100%; width: var(--w); background: linear-gradient(90deg, var(--accent), var(--accent-2)); border-radius: inherit; }
.bottom-nav { display: none; }

@media (max-width: 1080px) {
    .hero-section, .content-grid.two, .content-grid.form-list, .calendar-layout, .why-section { grid-template-columns: 1fr; }
    .feature-section { grid-template-columns: repeat(2, 1fr); }
    .metric-grid { grid-template-columns: repeat(2, 1fr); }
    .sidebar { width: 230px; }
    .app-shell { grid-template-columns: 230px minmax(0, 1fr); }
}
@media (max-width: 760px) {
    .public-shell { padding: 16px; }
    .landing-nav { margin-bottom: 28px; }
    .landing-nav > div { gap: 8px; }
    .landing-nav a:not(.btn), .landing-nav .theme-toggle { display: none; }
    .hero-section { gap: 24px; }
    .feature-section { grid-template-columns: 1fr; margin: 30px auto; }
    .app-shell { display: block; padding-bottom: 82px; }
    .sidebar { display: none; }
    .main-content { padding: 18px; }
    .topbar { align-items: flex-start; }
    .avatar-chip strong { display: none; }
    .metric-grid { grid-template-columns: 1fr; }
    .panel, .metric-card { border-radius: 22px; padding: 18px; }
    .calendar-grid { gap: 6px; }
    .calendar-day { min-height: 74px; border-radius: 14px; padding: 8px; font-size: 12px; }
    .bottom-nav {
        position: fixed;
        left: 12px;
        right: 12px;
        bottom: 12px;
        display: grid;
        grid-template-columns: repeat(5, 1fr);
        border: 1px solid var(--border);
        border-radius: 24px;
        background: var(--panel);
        backdrop-filter: blur(24px);
        box-shadow: var(--shadow);
        z-index: 10;
        overflow: hidden;
    }
    .bottom-nav a { display: grid; place-items: center; gap: 2px; padding: 10px 4px; color: var(--muted); font-size: 16px; }
    .bottom-nav span { font-size: 10px; }
    .mini-summary { grid-template-columns: 1fr; }
}