/* ============================================================
   EARLY 1900s ACCOUNTING BOOK — REFINED PALETTE
   Paytone One (headings) + Special Elite (body)
   ============================================================ */

:root {
    /* Text */
    --ink:          rgb(0, 0, 0);
    --ink-dark:     rgb(74, 74, 74);
    --ink-white:    rgb(255, 255, 255);
    --ink-muted:    rgb(154, 140, 152);

    /* Backgrounds */
    --bg-page:      rgb(253, 250, 247);   /* main page / cream */
    --bg-teal:      rgb(124, 165, 168);   /* sidebar, accents */
    --bg-rose:      rgb(216, 160, 168);   /* highlights, hover */
    --bg-dark:      rgb(74, 74, 74);      /* navbar, dark areas */
    --bg-purple:    rgb(154, 140, 152);   /* subtle section tones */

    /* Borders */
    --border-main:  rgb(74, 74, 74);
    --border-light: rgb(255, 255, 255);
    --border-rose:  rgb(216, 160, 168);
    --border-teal:  rgb(124, 165, 168);
    --border-muted: rgb(154, 140, 152);
}

/* ── Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
    background-color: var(--bg-page);
    font-family: 'Special Elite', serif;
    color: var(--ink-dark);
    min-height: 100vh;
    line-height: 1.6;
    font-size: 15px;
}

/* ── Typography ── */
h1, h2, h3, h4, h5, h6, .font-heading {
    font-family: 'Paytone One', sans-serif;
    color: var(--ink);
    line-height: 1.2;
}

/* ── App Shell ── */
.app-shell {
    display: flex;
    min-height: 100vh;
}

/* ════════════════════════════
   ICON-RAIL SIDEBAR (desktop)
   ════════════════════════════ */
.app-sidebar {
    width: 62px;
    flex-shrink: 0;
    background: linear-gradient(170deg, rgb(42,42,42) 0%, rgb(62,62,62) 60%, rgb(74,74,74) 100%);
    color: var(--ink-white);
    display: flex;
    flex-direction: column;
    align-items: center;
    position: fixed;
    top: 0; left: 0; bottom: 0;
    z-index: 100;
    border-right: 2px solid var(--bg-teal);
    box-shadow: 4px 0 18px rgba(0,0,0,0.3);
    overflow: visible; /* allow tooltips to escape */
}

/* Brand logo mark */
.sidebar-brand {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 0 0.8rem;
    border-bottom: 1px solid rgba(124,165,168,0.18);
    position: relative;
}

.sidebar-brand-icon {
    width: 34px;
    height: 34px;
    border-radius: 8px;
    background: rgba(124,165,168,0.18);
    border: 1px solid rgba(124,165,168,0.35);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    line-height: 1;
    cursor: default;
}

/* Brand tooltip */
.sidebar-brand:hover::after {
    content: attr(data-label);
    position: absolute;
    left: calc(100% + 12px);
    top: 50%;
    transform: translateY(-50%);
    background: rgb(30,30,30);
    color: var(--bg-teal);
    font-family: 'Paytone One', sans-serif;
    font-size: 0.62rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    white-space: nowrap;
    padding: 0.35rem 0.75rem;
    border-radius: 4px;
    border: 1px solid rgba(124,165,168,0.25);
    box-shadow: 2px 2px 8px rgba(0,0,0,0.4);
    pointer-events: none;
    z-index: 300;
}

/* Section divider strip */
.sidebar-section-label {
    width: 32px;
    height: 1px;
    background: rgba(255,255,255,0.12);
    margin: 0.5rem auto 0.25rem;
}

/* Nav list */
.sidebar-nav {
    flex: 1;
    list-style: none;
    padding: 0.4rem 0;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    margin: 0;
}

.sidebar-nav li {
    width: 100%;
    display: flex;
    justify-content: center;
}

/* Icon button */
.sidebar-nav .nav-btn {
    position: relative;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    margin: 0;
    border-radius: 12px;
    border: none;
    background: transparent;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
    color: rgba(255,255,255,0.45);
    line-height: 0;
}

.sidebar-nav .nav-btn:hover {
    background: rgba(124,165,168,0.15);
    color: var(--bg-teal);
    transform: scale(1.05);
}

.sidebar-nav .nav-btn.active {
    background: var(--bg-teal);
    color: rgb(30, 30, 30);
    box-shadow: 0 4px 12px rgba(0,0,0,0.25), inset 0 1px 0 rgba(255,255,255,0.3);
}

/* SVG icon inside nav button */
.nav-icon {
    width: 22px;
    height: 22px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    pointer-events: none;
}

.nav-icon svg {
    width: 100%;
    height: 100%;
    display: block;
    stroke-width: 1.8px;
}

/* Tooltip label — appears to the right */
.sidebar-nav .nav-btn::after {
    content: attr(data-label);
    position: absolute;
    left: calc(100% + 14px);
    top: 50%;
    transform: translateY(-50%) scale(0.9);
    background: rgb(25,25,25);
    color: var(--ink-white);
    font-family: 'Paytone One', sans-serif;
    font-size: 0.62rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    white-space: nowrap;
    padding: 0.38rem 0.8rem;
    border-radius: 5px;
    border: 1px solid rgba(124,165,168,0.2);
    box-shadow: 2px 3px 10px rgba(0,0,0,0.4);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.18s ease, transform 0.18s ease;
    z-index: 300;
}

/* Tooltip arrow */
.sidebar-nav .nav-btn::before {
    content: '';
    position: absolute;
    left: calc(100% + 8px);
    top: 50%;
    transform: translateY(-50%);
    border: 5px solid transparent;
    border-right-color: rgb(25,25,25);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.18s ease;
    z-index: 300;
}

.sidebar-nav .nav-btn:hover::after,
.sidebar-nav .nav-btn:hover::before {
    opacity: 1;
    transform: translateY(-50%) scale(1);
}

.sidebar-nav .nav-btn.active::after {
    border-color: rgba(124,165,168,0.4);
    color: var(--bg-teal);
}

/* Footer icon button (logout) */
.sidebar-footer {
    width: 100%;
    display: flex;
    justify-content: center;
    padding: 0.75rem 0 1rem;
    border-top: 1px solid rgba(124,165,168,0.12);
}

.btn-logout {
    position: relative;
    width: 42px;
    height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    border: 1px solid rgba(216,160,168,0.3);
    background: transparent;
    font-size: 1.2rem;
    line-height: 1;
    color: rgba(216,160,168,0.7);
    cursor: pointer;
    transition: all 0.18s;
}

.btn-logout:hover {
    background: rgba(216,160,168,0.15);
    color: var(--bg-rose);
    border-color: var(--bg-rose);
    transform: scale(1.08);
}

/* Logout tooltip */
.btn-logout::after {
    content: 'Sign Out';
    position: absolute;
    left: calc(100% + 14px);
    top: 50%;
    transform: translateY(-50%) scale(0.9);
    background: rgb(25,25,25);
    color: var(--bg-rose);
    font-family: 'Paytone One', sans-serif;
    font-size: 0.62rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    white-space: nowrap;
    padding: 0.38rem 0.8rem;
    border-radius: 5px;
    border: 1px solid rgba(216,160,168,0.2);
    box-shadow: 2px 3px 10px rgba(0,0,0,0.4);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.18s, transform 0.18s;
    z-index: 300;
}

.btn-logout::before {
    content: '';
    position: absolute;
    left: calc(100% + 8px);
    top: 50%;
    transform: translateY(-50%);
    border: 5px solid transparent;
    border-right-color: rgb(25,25,25);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.18s;
    z-index: 300;
}

.btn-logout:hover::after,
.btn-logout:hover::before { opacity: 1; transform: translateY(-50%) scale(1); }

/* ── Main Content Area ── */
.app-main {
    margin-left: 62px;
    flex: 1;
    padding: 2rem 1.5rem; /* Reduced horizontal padding for better expansion */
    width: 100%;
    min-width: 0; /* Prevents flex children from overflowing */
}


/* ── Mobile drawer overlay ── */
.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 99;
}
.sidebar-overlay.open { display: block; }

/* ── Mobile top bar ── */
.mobile-topbar {
    display: none;
    position: fixed;
    top: 0; left: 0; right: 0;
    height: 52px;
    background: linear-gradient(170deg, rgb(55,55,55) 0%, rgb(74,74,74) 100%);
    border-bottom: 2px solid var(--bg-teal);
    z-index: 98;
    align-items: center;
    padding: 0 1rem;
    gap: 0.75rem;
}

.mobile-topbar-title {
    font-family: 'Paytone One', sans-serif;
    font-size: 0.72rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--bg-teal);
    flex: 1;
}

.hamburger-btn {
    background: transparent;
    border: 1px solid rgba(124,165,168,0.4);
    border-radius: 5px;
    padding: 0.35rem 0.5rem;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    gap: 4px;
    transition: border-color 0.2s;
}
.hamburger-btn span {
    display: block;
    width: 20px;
    height: 2px;
    background: var(--bg-teal);
    border-radius: 2px;
    transition: all 0.25s;
}
.hamburger-btn.open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.hamburger-btn.open span:nth-child(2) { opacity: 0; }
.hamburger-btn.open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* ── Responsive breakpoints ── */
@media (max-width: 820px) {
    .mobile-topbar { display: flex; }

    /* Drawer: just slide the desktop icon-rail in/out */
    .app-sidebar {
        transform: translateX(-100%);
        transition: transform 0.28s cubic-bezier(0.4,0,0.2,1);
        z-index: 200;
    }
    .app-sidebar.drawer-open { transform: translateX(0); }

    /* Hide tooltips on mobile since there is no hover */
    .sidebar-brand:hover::after,
    .sidebar-nav .nav-btn:hover::after,
    .sidebar-nav .nav-btn:hover::before,
    .sidebar-nav .nav-btn.active::after,
    .btn-logout:hover::after,
    .btn-logout:hover::before { display: none; }

    .app-main {
        margin-left: 0 !important;
        padding: 1rem;
        padding-top: calc(52px + 1rem);
    }
    .app-shell { flex-direction: column; }
    .page-card { padding: 1.25rem 1rem; }
    .page-card-sm { margin: 1rem auto; }
    .book-panel-sidebar {
        border-right: none; padding-right: 0;
        border-bottom: 1px solid var(--border-muted);
        padding-bottom: 1.5rem; margin-bottom: 1.5rem;
    }
    .stat-block { min-width: 100% !important; }
}


/* ── Page Card ── */
.page-card {
    background-color: var(--ink-white);
    border-top: 4px solid var(--bg-teal);
    /* Mixed 3D border effect */
    border-left: 1px solid var(--border-light);
    border-right: 1px solid var(--border-main);
    border-bottom: 2px solid var(--border-main);
    box-shadow: 3px 3px 0 var(--border-main), 0 8px 24px rgba(0,0,0,0.08);
    padding: 2rem 2.5rem;
    margin-bottom: 1.5rem;
}

.page-card-sm {
    max-width: 520px;
    margin: 3rem auto;
}

/* ── Section Headers ── */
.section-title {
    font-family: 'Paytone One', sans-serif;
    font-size: 1.3rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--ink);
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--border-main);
    margin-bottom: 0.4rem;
}

.section-subtitle {
    font-family: 'Special Elite', serif;
    font-size: 0.82rem;
    color: var(--ink-muted);
    margin-bottom: 1.8rem;
    letter-spacing: 0.02em;
}

/* ── Rule Lines ── */
.rule {
    border: none;
    height: 1px;
    background: linear-gradient(90deg, var(--bg-teal), var(--border-muted), transparent);
    margin: 1.5rem 0;
}

.rule-double {
    border: none;
    border-top: 1px solid var(--border-main);
    border-bottom: 1px solid var(--border-muted);
    height: 3px;
    margin: 1.2rem 0;
}

/* ── Stat Blocks ── */
.stat-block {
    padding: 1.25rem 1.5rem;
    background: var(--bg-page);
    border: 1px solid var(--border-muted);
    border-top: 3px solid;
    /* Subtle 3D */
    box-shadow: 2px 2px 0 var(--border-muted);
}

.stat-block.credit  { border-top-color: var(--bg-teal); }
.stat-block.expense { border-top-color: var(--bg-rose); }

.stat-label {
    font-family: 'Paytone One', sans-serif;
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--ink-muted);
    margin-bottom: 0.4rem;
}

.stat-value {
    font-family: 'Paytone One', sans-serif;
    font-size: 2rem;
    color: var(--ink);
}

.stat-value.credit  { color: var(--bg-teal); }
.stat-value.expense { color: var(--bg-rose); }

/* ── Forms ── */
.form-label {
    font-family: 'Paytone One', sans-serif;
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--ink-dark);
    margin-bottom: 0.3rem;
    display: block;
}

.form-control,
.form-select {
    background: var(--ink-white);
    border: 1px solid var(--border-muted);
    border-radius: 1px;
    font-family: 'Special Elite', serif;
    font-size: 0.95rem;
    color: var(--ink);
    padding: 0.5rem 0.75rem;
    width: 100%;
    transition: border-color 0.18s, box-shadow 0.18s;
    /* Inset 3D effect */
    box-shadow: inset 1px 1px 2px rgba(0,0,0,0.06);
}

.form-control:focus,
.form-select:focus {
    border-color: var(--bg-teal);
    box-shadow: inset 1px 1px 2px rgba(0,0,0,0.06), 0 0 0 3px rgba(124,165,168,0.18);
    outline: none;
}

/* ── Buttons ── */
.btn-primary-book {
    font-family: 'Paytone One', sans-serif;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    padding: 0.65rem 1.8rem;
    border-radius: 1px;
    cursor: pointer;
    background: var(--bg-dark);
    color: var(--ink-white);
    border: 1px solid var(--border-main);
    /* 3D press effect */
    box-shadow: 2px 2px 0 var(--ink), -1px -1px 0 rgba(74,74,74,0.4);
    transition: all 0.15s;
    display: inline-block;
    text-decoration: none;
    text-align: center;
}

.btn-primary-book:hover {
    background: var(--bg-teal);
    color: var(--ink);
    box-shadow: 2px 2px 0 var(--border-main);
}

.btn-primary-book:active {
    transform: translate(1px, 1px);
    box-shadow: 1px 1px 0 var(--ink);
}

.btn-outline-book {
    font-family: 'Paytone One', sans-serif;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    padding: 0.65rem 1.8rem;
    border-radius: 1px;
    cursor: pointer;
    background: transparent;
    color: var(--ink-dark);
    /* Mixed 3D border */
    border: 1px solid var(--border-main);
    box-shadow: 2px 2px 0 var(--border-muted);
    transition: all 0.15s;
    display: inline-block;
    text-decoration: none;
    text-align: center;
}

.btn-outline-book:hover {
    background: var(--bg-dark);
    color: var(--ink-white);
}

.btn-void {
    font-family: 'Paytone One', sans-serif;
    font-size: 0.58rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--bg-rose);
    /* Mixed border: rose + dark */
    border-top: 1px solid var(--border-rose);
    border-left: 1px solid var(--border-rose);
    border-bottom: 1px solid var(--border-main);
    border-right: 1px solid var(--border-main);
    background: transparent;
    padding: 0.18rem 0.55rem;
    border-radius: 1px;
    cursor: pointer;
    transition: all 0.12s;
}

.btn-void:hover {
    background: var(--bg-rose);
    color: var(--ink);
    border-color: var(--bg-rose);
}

/* ── Book Sidebar (form | list split) ── */
.book-panel-sidebar {
    border-right: 1px solid var(--border-muted);
    padding-right: 2rem;
}

@media (max-width: 768px) {
    .book-panel-sidebar {
        border-right: none;
        padding-right: 0;
        border-bottom: 1px solid var(--border-muted);
        padding-bottom: 1.5rem;
        margin-bottom: 1.5rem;
    }
    .page-card { padding: 1.25rem 1rem; }
}

/* ── Ledger Rows ── */
.ledger-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.7rem 0.4rem;
    border-bottom: 1px solid rgba(154,140,152,0.25);
    gap: 1rem;
    transition: background 0.12s;
}

.ledger-row:last-child { border-bottom: none; }

.ledger-row:hover {
    background: rgba(124, 165, 168, 0.06);
}

.entry-name {
    font-family: 'Special Elite', serif;
    font-size: 1rem;
    color: var(--ink);
    margin: 0;
}

.entry-meta {
    font-family: 'Paytone One', sans-serif;
    font-size: 0.6rem;
    text-transform: uppercase;
    letter-spacing: 0.07em;
    color: var(--ink-muted);
    margin: 2px 0 0;
}

.entry-amount {
    font-family: 'Paytone One', sans-serif;
    font-size: 1.1rem;
    margin: 0;
    text-align: right;
    white-space: nowrap;
    color: var(--ink);
}

.entry-amount.credit  { color: var(--bg-teal); }
.entry-amount.debit   { color: var(--bg-rose); }

.ledger-row-right {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 0.3rem;
}

/* ── Stamp / Badge ── */
.stamp {
    display: inline-block;
    font-family: 'Paytone One', sans-serif;
    font-size: 0.58rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    padding: 0.2rem 0.75rem;
    border-radius: 1px;
}

.stamp-teal  { background: var(--bg-teal);   color: var(--ink); }
.stamp-rose  { background: var(--bg-rose);   color: var(--ink); border: 1px solid var(--border-rose); }
.stamp-dark  { background: var(--bg-dark);   color: var(--ink-white); }
.stamp-muted { background: var(--bg-purple); color: var(--ink-white); }

/* ── Alert ── */
.alert-book {
    background: rgba(216, 160, 168, 0.1);
    border-left: 3px solid var(--bg-rose);
    padding: 0.6rem 1rem;
    font-family: 'Special Elite', serif;
    font-size: 0.9rem;
    color: var(--ink-dark);
    margin-top: 0.5rem;
}

/* ── Quote block ── */
.quote-block {
    border-left: 4px solid var(--bg-teal);
    padding: 0.8rem 1.2rem;
    background: rgba(124, 165, 168, 0.07);
    font-style: italic;
    color: var(--ink-muted);
    font-size: 1rem;
    margin: 1.5rem 0 2rem;
}

/* ── Empty State ── */
.empty-state {
    text-align: center;
    padding: 2.5rem 1rem;
    color: var(--ink-muted);
    font-style: italic;
    font-size: 0.9rem;
    border: 1px dashed var(--border-muted);
    background: var(--bg-page);
}

/* ── Animations ── */
@keyframes fadeUp {
    from { opacity: 0; transform: translateY(10px); }
    to   { opacity: 1; transform: translateY(0); }
}
.fade-up { animation: fadeUp 0.45s ease forwards; }

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-page); }
::-webkit-scrollbar-thumb { background: var(--bg-purple); border-radius: 2px; }
::-webkit-scrollbar-thumb:hover { background: var(--bg-teal); }

/* ── Link defaults ── */
a { color: var(--bg-teal); text-decoration: none; }
a:hover { color: var(--ink); text-decoration: underline; }

/* ── Icon rail: hide text labels on desktop, show on mobile drawer ── */
.nav-label { display: none; }
.nav-icon   { font-style: normal; }