/* ═══════════════════════════════════════════════════════════════════════════
   Mizan360 — İzale-i Şuyu Hesaplayıcı
   Kurumsal Tema v2
   ═══════════════════════════════════════════════════════════════════════════ */

/* ── Değişkenler ─────────────────────────────────────────────────────────── */
:root {
    /* Marka */
    --navy:        #0d1b2a;
    --navy-2:      #1a2e45;
    --blue:        #1d4ed8;
    --blue-h:      #1e40af;
    --blue-lt:     #eff6ff;
    --blue-mid:    #dbeafe;

    /* Durum */
    --green:       #047857;
    --green-h:     #065f46;
    --green-lt:    #ecfdf5;
    --green-mid:   #a7f3d0;
    --red:         #b91c1c;
    --red-lt:      #fef2f2;
    --red-mid:     #fecaca;
    --amber:       #b45309;
    --amber-lt:    #fffbeb;
    --amber-mid:   #fde68a;
    --purple:      #6d28d9;
    --purple-h:    #5b21b6;
    --purple-lt:   #f5f3ff;
    --purple-mid:  #ddd6fe;

    /* Sayfa */
    --page-bg:     #f0f4f8;
    --card:        #ffffff;
    --border:      #e2e8f0;
    --border-2:    #cbd5e1;
    --input-bg:    #f8fafc;

    /* Metin */
    --text:        #0f172a;
    --text-2:      #334155;
    --muted:       #64748b;
    --muted-lt:    #94a3b8;

    /* Gölge */
    --shadow-sm:   0 1px 2px rgba(0,0,0,.05);
    --shadow:      0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.05);
    --shadow-md:   0 4px 6px -1px rgba(0,0,0,.08), 0 2px 4px -1px rgba(0,0,0,.05);
    --shadow-lg:   0 10px 15px -3px rgba(0,0,0,.08), 0 4px 6px -2px rgba(0,0,0,.04);
    --shadow-xl:   0 20px 25px -5px rgba(0,0,0,.1), 0 10px 10px -5px rgba(0,0,0,.04);

    --radius:      8px;
    --radius-lg:   12px;
    --radius-xl:   16px;
}

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

/* ── Body & Page ─────────────────────────────────────────────────────────── */
body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background: var(--page-bg);
    color: var(--text);
    min-height: 100vh;
    line-height: 1.55;
    font-size: 14px;
    -webkit-font-smoothing: antialiased;
}

/* ── Topbar (tam genişlik arka plan hilesi) ──────────────────────────────── */
body::before {
    content: '';
    display: block;
    position: fixed;
    inset: 0 0 auto 0;
    height: 72px;
    background: linear-gradient(135deg, var(--navy) 0%, var(--navy-2) 100%);
    z-index: 30;
    border-bottom: 1px solid rgba(255,255,255,.07);
    box-shadow: 0 1px 20px rgba(0,0,0,.35);
}

/* ── App Container ───────────────────────────────────────────────────────── */
.app-container {
    max-width: 1320px;
    margin: 0 auto;
    padding: 0 1.5rem 5rem;
}

/* ── Header ──────────────────────────────────────────────────────────────── */
header {
    position: sticky;
    top: 0;
    z-index: 40;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 72px;
    gap: 1rem;
}

header h1 {
    font-size: 1.3rem;
    font-weight: 700;
    color: #ffffff;
    letter-spacing: -.01em;
    line-height: 1.2;
}

header h1 span {
    background: linear-gradient(90deg, #60a5fa, #34d399);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

header p {
    font-size: .775rem;
    color: rgba(255,255,255,.45);
    margin-top: .15rem;
    font-weight: 400;
}

.header-actions {
    display: flex;
    gap: .6rem;
    flex-shrink: 0;
}

/* ── Sayfa içeriği başlangıcı ────────────────────────────────────────────── */
.case-name-bar,
.ai-section,
main,
.app-footer {
    padding-top: 0;
}

/* ── Case Name Bar ───────────────────────────────────────────────────────── */
.case-name-bar {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: .85rem 1.25rem;
    margin-top: 1.25rem;
    margin-bottom: 1.25rem;
    box-shadow: var(--shadow);
    flex-wrap: wrap;
}

.case-name-bar label {
    font-size: .72rem;
    font-weight: 600;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: .06em;
    white-space: nowrap;
    flex-shrink: 0;
}

.case-name-bar::before {
    content: '';
    display: block;
    width: 4px;
    height: 32px;
    background: var(--blue);
    border-radius: 4px;
    flex-shrink: 0;
}

.case-name-bar input {
    flex: 1;
    min-width: 200px;
    padding: .55rem .9rem;
    background: var(--input-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
    font-size: .9rem;
    outline: none;
    transition: border-color .15s, box-shadow .15s;
    font-family: inherit;
}

.case-name-bar input:focus {
    border-color: var(--blue);
    box-shadow: 0 0 0 3px rgba(29,78,216,.1);
    background: #fff;
}

.case-name-bar input::placeholder { color: var(--muted-lt); }

/* ── Card / Panel ────────────────────────────────────────────────────────── */
.glass,
.panel {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: 1.5rem;
    box-shadow: var(--shadow-md);
}

.panel h2 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text);
    letter-spacing: -.01em;
    padding-bottom: .875rem;
    margin-bottom: 1.25rem;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: .5rem;
}

.panel h2::before {
    content: '';
    display: block;
    width: 3px;
    height: 1rem;
    background: var(--blue);
    border-radius: 2px;
    flex-shrink: 0;
}

/* ── AI Section ──────────────────────────────────────────────────────────── */
.ai-section {
    border-left: 3px solid var(--purple);
    background: var(--card);
    margin-bottom: 1.25rem;
}

.ai-section-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1.25rem;
    gap: 1rem;
}

.ai-section-header h2 {
    font-size: .975rem;
    font-weight: 700;
    color: var(--text);
    border: none;
    padding: 0;
    margin: 0;
    letter-spacing: -.01em;
}

.ai-section-header h2::before { display: none; }

.ai-section-header p {
    font-size: .8rem;
    color: var(--muted);
    margin-top: .2rem;
}

.ai-badge {
    display: inline-flex;
    align-items: center;
    font-size: .62rem;
    font-weight: 800;
    padding: .15rem .45rem;
    background: var(--purple);
    border-radius: 4px;
    color: #fff;
    letter-spacing: .08em;
    vertical-align: middle;
}

/* Drop Zone */
.drop-zone {
    border: 2px dashed var(--border-2);
    border-radius: var(--radius-lg);
    padding: 2rem 1.5rem;
    text-align: center;
    cursor: pointer;
    transition: all .2s;
    background: var(--purple-lt);
    user-select: none;
}

.drop-zone:hover, .drop-zone.drag-over {
    border-color: var(--purple);
    background: rgba(109,40,217,.06);
}

.drop-zone input[type="file"] { display: none; }
.drop-zone-icon { font-size: 1.75rem; margin-bottom: .5rem; opacity: .7; }
.drop-zone p { font-size: .9rem; font-weight: 600; color: var(--text-2); margin-bottom: .25rem; }
.drop-zone span { font-size: .72rem; color: var(--muted); font-weight: 500; letter-spacing: .06em; }

/* File List */
.file-list {
    margin-top: .875rem;
    display: flex;
    flex-direction: column;
    gap: .35rem;
    max-height: 160px;
    overflow-y: auto;
}

.file-item {
    display: flex;
    align-items: center;
    gap: .6rem;
    padding: .5rem .75rem;
    background: var(--input-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: .82rem;
}

.file-ext {
    font-size: .62rem;
    font-weight: 800;
    padding: .15rem .4rem;
    border-radius: 4px;
    background: var(--purple-mid);
    color: var(--purple);
    letter-spacing: .06em;
    flex-shrink: 0;
}

.file-name { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--text-2); }
.file-size { font-size: .75rem; color: var(--muted); flex-shrink: 0; }

.file-remove {
    background: none;
    border: none;
    color: var(--muted-lt);
    cursor: pointer;
    font-size: 1rem;
    padding: 0 .15rem;
    transition: color .15s;
    flex-shrink: 0;
    line-height: 1;
}
.file-remove:hover { color: var(--red); }

.ai-actions { display: flex; gap: .65rem; margin-top: .875rem; align-items: center; }

.ai-status {
    margin-top: .75rem;
    padding: .7rem 1rem;
    border-radius: var(--radius);
    font-size: .82rem;
    font-weight: 500;
    border: 1px solid transparent;
}
.ai-status.info    { background: var(--blue-lt);   color: #1d4ed8; border-color: var(--blue-mid); }
.ai-status.success { background: var(--green-lt);  color: var(--green); border-color: var(--green-mid); }
.ai-status.error   { background: var(--red-lt);    color: var(--red);   border-color: var(--red-mid); }
.ai-status.hidden  { display: none; }

/* ── Layout Grid ─────────────────────────────────────────────────────────── */
.grid-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
    margin-bottom: 1.25rem;
}
@media (max-width: 900px) { .grid-layout { grid-template-columns: 1fr; } }

/* ── Form Elements ───────────────────────────────────────────────────────── */
.form-group { margin-bottom: .875rem; }

.form-group label {
    display: block;
    font-size: .72rem;
    font-weight: 600;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: .06em;
    margin-bottom: .35rem;
}

.form-group input[type="number"],
.form-group input[type="text"] {
    width: 100%;
    padding: .6rem .875rem;
    background: var(--input-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
    font-size: .9rem;
    outline: none;
    transition: border-color .15s, box-shadow .15s, background .15s;
    font-family: inherit;
}

.form-group input:focus {
    border-color: var(--blue);
    box-shadow: 0 0 0 3px rgba(29,78,216,.1);
    background: #fff;
}

.form-group input:disabled {
    background: #f8fafc;
    color: var(--muted-lt);
    cursor: not-allowed;
    border-style: dashed;
}

.form-group input::placeholder { color: var(--muted-lt); }

.form-group.highlight input {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--green);
    border-color: var(--green-mid);
    background: var(--green-lt);
}
.form-group.highlight input:focus {
    border-color: var(--green);
    box-shadow: 0 0 0 3px rgba(4,120,87,.12);
}

/* Expenses grid */
.expenses-grid { display: grid; grid-template-columns: 1fr 1fr; gap: .75rem; }

.checkbox-group {
    grid-column: span 2;
    display: flex;
    align-items: center;
    gap: .5rem;
    margin-bottom: 0;
}
.checkbox-group input[type="checkbox"] {
    width: 15px;
    height: 15px;
    accent-color: var(--blue);
    cursor: pointer;
}
.checkbox-group label {
    text-transform: none;
    letter-spacing: 0;
    font-size: .82rem;
    color: var(--text-2);
    font-weight: 400;
    cursor: pointer;
    margin: 0;
}

/* ── Attorney Fee Section ────────────────────────────────────────────────── */
.attorney-fee-section {
    margin-top: 1.25rem;
    padding: 1rem;
    background: var(--blue-lt);
    border: 1px solid var(--blue-mid);
    border-radius: var(--radius-lg);
}

.attorney-fee-section h3 {
    font-size: .78rem;
    font-weight: 700;
    color: var(--blue);
    text-transform: uppercase;
    letter-spacing: .07em;
    margin-bottom: .75rem;
}

.attorney-calc-display {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: .6rem .875rem;
    background: #fff;
    border: 1px solid var(--blue-mid);
    border-radius: var(--radius);
    min-height: 52px;
    gap: .15rem;
}
.attorney-calc-display span  { font-size: .78rem; color: var(--muted); }
.attorney-calc-display strong { font-size: .95rem; color: var(--green); font-weight: 700; }

.attorney-rule-info {
    margin-top: .65rem;
    font-size: .78rem;
    color: var(--blue-h);
    font-weight: 500;
    display: flex;
    align-items: flex-start;
    gap: .4rem;
}
.attorney-rule-info::before {
    content: 'ℹ';
    flex-shrink: 0;
    font-style: normal;
}

/* ── Summary Box ─────────────────────────────────────────────────────────── */
.summary-box {
    margin-top: 1.25rem;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    overflow: hidden;
}

.summary-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: .75rem 1rem;
    font-size: .875rem;
    border-bottom: 1px solid var(--border);
}
.summary-item:last-child { border-bottom: none; }
.summary-item span { color: var(--muted); font-weight: 500; }
.summary-item strong { font-weight: 600; color: var(--text); }

.summary-item.total-net {
    background: var(--green-lt);
    padding: .9rem 1rem;
}
.summary-item.total-net span { color: var(--green); font-weight: 600; font-size: .9rem; }
.summary-item.total-net strong {
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--green);
}

/* ── Section Header ──────────────────────────────────────────────────────── */
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: .875rem;
    margin-bottom: 1.25rem;
    border-bottom: 1px solid var(--border);
}
.section-header h2 { margin: 0; border: none; padding: 0; }
.section-header h2::before { display: none; }
.section-header-right { display: flex; align-items: center; gap: .6rem; }

/* ── Fraction Badge ──────────────────────────────────────────────────────── */
.fraction-badge {
    font-size: .72rem;
    font-weight: 700;
    padding: .25rem .65rem;
    border-radius: 20px;
    border: 1px solid transparent;
    letter-spacing: .03em;
}
.fraction-badge.neutral { background: #f1f5f9; color: var(--muted); border-color: var(--border); }
.fraction-badge.ok      { background: var(--green-lt);  color: var(--green); border-color: var(--green-mid); }
.fraction-badge.warn    { background: var(--amber-lt);  color: var(--amber); border-color: var(--amber-mid); }
.fraction-badge.error   { background: var(--red-lt);    color: var(--red);   border-color: var(--red-mid); }

/* ── Shareholders ────────────────────────────────────────────────────────── */
.shareholders-list {
    display: flex;
    flex-direction: column;
    gap: .75rem;
    max-height: 500px;
    overflow-y: auto;
    padding-right: .25rem;
}

.shareholders-list::-webkit-scrollbar { width: 4px; }
.shareholders-list::-webkit-scrollbar-track { background: var(--input-bg); border-radius: 4px; }
.shareholders-list::-webkit-scrollbar-thumb { background: var(--border-2); border-radius: 4px; }

.shareholder-card {
    background: var(--input-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1rem;
    transition: border-color .15s, box-shadow .15s;
    animation: cardIn .2s ease-out;
}
.shareholder-card:hover { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(29,78,216,.06); }

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: .875rem;
    gap: .5rem;
}

.card-header input {
    background: transparent;
    border: none;
    border-bottom: 2px solid var(--border);
    color: var(--text);
    font-size: .925rem;
    font-weight: 600;
    padding: .2rem 0;
    width: 90%;
    border-radius: 0;
    outline: none;
    font-family: inherit;
    transition: border-color .15s;
}
.card-header input:focus { border-color: var(--blue); box-shadow: none; }
.card-header input::placeholder { color: var(--muted-lt); font-weight: 400; }

.card-body { display: flex; flex-direction: column; gap: .6rem; }

.card-row {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: .75rem;
    align-items: end;
}

.fraction-group {
    display: flex;
    align-items: center;
    gap: .5rem;
    flex-shrink: 0;
}
.fraction-group label {
    font-size: .7rem;
    font-weight: 600;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: .06em;
}
.fraction-inputs { display: flex; align-items: center; gap: .35rem; }
.fraction-inputs input {
    width: 56px;
    padding: .45rem .5rem;
    text-align: center;
    font-size: .875rem;
    font-weight: 600;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
    outline: none;
    transition: border-color .15s;
}
.fraction-inputs input:focus { border-color: var(--blue); box-shadow: 0 0 0 2px rgba(29,78,216,.1); }
.fraction-inputs span { color: var(--muted); font-weight: 600; font-size: 1rem; }

.attorney-group { flex: 1; }
.optional { font-size: .68rem; color: var(--muted-lt); text-transform: none; letter-spacing: 0; font-weight: 400; }

.deductions-group { display: flex; gap: .65rem; }
.form-group.small { flex: 1; margin-bottom: 0; }
.form-group.small input { padding: .5rem .7rem; font-size: .82rem; }
.form-group.small label { font-size: .68rem; }

/* ── Buttons ─────────────────────────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .35rem;
    padding: .5rem 1.1rem;
    border-radius: var(--radius);
    font-size: .825rem;
    font-weight: 600;
    cursor: pointer;
    border: 1px solid transparent;
    outline: none;
    transition: all .15s;
    font-family: inherit;
    white-space: nowrap;
    letter-spacing: .01em;
}
.btn:active { transform: scale(.98); }

/* Primary */
.primary-btn { background: var(--blue); color: #fff; border-color: var(--blue); }
.primary-btn:hover { background: var(--blue-h); border-color: var(--blue-h); box-shadow: 0 2px 8px rgba(29,78,216,.3); }

/* Outline (koyu header üzerinde) */
.outline-btn {
    background: rgba(255,255,255,.08);
    border-color: rgba(255,255,255,.2);
    color: rgba(255,255,255,.85);
}
.outline-btn:hover { background: rgba(255,255,255,.14); border-color: rgba(255,255,255,.3); }

/* Light outline (açık arka plan üzerinde) */
.outline-light-btn {
    background: var(--card);
    border-color: var(--border-2);
    color: var(--text-2);
}
.outline-light-btn:hover { background: var(--input-bg); border-color: var(--blue); color: var(--blue); }

/* Danger outline */
.danger-outline-btn {
    background: rgba(255,255,255,.06);
    border-color: rgba(239,68,68,.4);
    color: #fca5a5;
}
.danger-outline-btn:hover { background: rgba(185,28,28,.15); border-color: #ef4444; color: #fca5a5; }

/* Calculate */
.calculate-btn {
    background: var(--green);
    color: #fff;
    border-color: var(--green);
    font-size: .9rem;
    padding: .65rem 1.75rem;
    border-radius: var(--radius);
    font-weight: 700;
    box-shadow: 0 2px 8px rgba(4,120,87,.25);
}
.calculate-btn:hover { background: var(--green-h); border-color: var(--green-h); box-shadow: 0 4px 12px rgba(4,120,87,.35); }

/* Excel */
.excel-btn { background: #14532d; color: #bbf7d0; border-color: #166534; }
.excel-btn:hover { background: #166534; box-shadow: 0 2px 8px rgba(5,150,105,.25); }
.excel-btn:disabled, .pdf-btn:disabled { opacity: .4; cursor: not-allowed; box-shadow: none; }

/* PDF */
.pdf-btn { background: #7f1d1d; color: #fecaca; border-color: #991b1b; }
.pdf-btn:hover { background: #991b1b; box-shadow: 0 2px 8px rgba(185,28,28,.25); }

/* AI */
.ai-btn {
    background: var(--purple);
    color: #fff;
    border-color: var(--purple);
    font-weight: 700;
    padding: .6rem 1.5rem;
    box-shadow: 0 2px 8px rgba(109,40,217,.25);
}
.ai-btn:hover:not(:disabled) { background: var(--purple-h); border-color: var(--purple-h); box-shadow: 0 4px 12px rgba(109,40,217,.35); }
.ai-btn:disabled { opacity: .45; cursor: not-allowed; box-shadow: none; }

/* Remove */
.remove-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 26px;
    height: 26px;
    background: var(--red-lt);
    color: var(--red);
    border: 1px solid var(--red-mid);
    border-radius: var(--radius);
    font-size: 1.1rem;
    line-height: 1;
    cursor: pointer;
    transition: all .15s;
    flex-shrink: 0;
}
.remove-btn:hover { background: var(--red); color: #fff; }

.btn-sm { padding: .35rem .8rem; font-size: .775rem; }

/* ── Results Table ────────────────────────────────────────────────────────── */
.results-section { }

.table-responsive { overflow-x: auto; margin-bottom: 1.25rem; border-radius: var(--radius-lg); border: 1px solid var(--border); }

table { width: 100%; border-collapse: collapse; min-width: 560px; }

thead { background: var(--navy); }
thead th {
    padding: .875rem 1.1rem;
    text-align: left;
    font-size: .7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .08em;
    color: rgba(255,255,255,.6);
    border-bottom: 1px solid rgba(255,255,255,.08);
}

tbody tr { border-bottom: 1px solid var(--border); transition: background .1s; }
tbody tr:last-child { border-bottom: none; }
tbody tr:nth-child(even) { background: #fafbfc; }
tbody tr:hover { background: var(--blue-lt); }

td {
    padding: .9rem 1.1rem;
    font-size: .875rem;
    color: var(--text-2);
    vertical-align: middle;
}

td strong { color: var(--text); font-weight: 600; }
td.right  { text-align: right; font-variant-numeric: tabular-nums; }
td.center { text-align: center; }

td.deduction-cell {
    text-align: right;
    font-weight: 600;
    color: var(--red);
    font-variant-numeric: tabular-nums;
}

td.net-cell strong {
    color: var(--green);
    font-size: .9rem;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
}

tfoot { background: #f8fafc; border-top: 2px solid var(--border-2); }
tfoot th {
    padding: .9rem 1.1rem;
    font-size: .82rem;
    font-weight: 700;
    color: var(--text);
    text-align: left;
    letter-spacing: 0;
    text-transform: none;
}

.highlight-text {
    color: var(--green) !important;
    font-size: .95rem;
    text-align: right;
    font-variant-numeric: tabular-nums;
}

.actions {
    display: flex;
    justify-content: flex-end;
    gap: .65rem;
    flex-wrap: wrap;
    padding-top: 1rem;
    border-top: 1px solid var(--border);
    margin-top: .25rem;
}

/* ── History Panel ───────────────────────────────────────────────────────── */
.history-overlay {
    position: fixed;
    inset: 0;
    background: rgba(15,23,42,.5);
    z-index: 90;
    backdrop-filter: blur(3px);
}

.history-panel {
    position: fixed;
    top: 0;
    right: 0;
    height: 100%;
    width: min(400px, 94vw);
    background: var(--card);
    border-left: 1px solid var(--border);
    z-index: 100;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-xl);
    animation: panelIn .25s cubic-bezier(.4,0,.2,1);
}
.history-panel.hidden { display: none; }
.history-overlay.hidden { display: none; }

@keyframes panelIn {
    from { transform: translateX(100%); }
    to   { transform: translateX(0); }
}

.history-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border);
    background: var(--navy);
    flex-shrink: 0;
}
.history-header h3 { font-size: .95rem; font-weight: 700; color: #fff; }
.history-header .remove-btn {
    background: rgba(255,255,255,.1);
    border-color: rgba(255,255,255,.15);
    color: rgba(255,255,255,.7);
}
.history-header .remove-btn:hover { background: rgba(255,255,255,.2); color: #fff; }

.history-list {
    flex: 1;
    overflow-y: auto;
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: .5rem;
}

.history-empty { color: var(--muted); font-size: .875rem; text-align: center; margin-top: 2rem; }

.history-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: .875rem 1rem;
    background: var(--input-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    gap: .75rem;
    flex-wrap: wrap;
    transition: border-color .15s;
}
.history-item:hover { border-color: var(--blue); }
.history-item-info { display: flex; flex-direction: column; gap: .2rem; flex: 1; min-width: 0; }
.history-item-info strong { font-size: .875rem; font-weight: 600; color: var(--text); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.history-item-info span   { font-size: .75rem; color: var(--muted); }
.history-item-actions     { display: flex; gap: .4rem; }

/* ── Footer ──────────────────────────────────────────────────────────────── */
.app-footer {
    text-align: center;
    margin-top: 3rem;
    font-size: .74rem;
    color: var(--muted-lt);
    font-weight: 400;
}

/* ── Animations ──────────────────────────────────────────────────────────── */
@keyframes cardIn {
    from { opacity: 0; transform: translateY(6px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ── Scrollbar ───────────────────────────────────────────────────────────── */
* { scrollbar-width: thin; scrollbar-color: var(--border-2) transparent; }
*::-webkit-scrollbar { width: 5px; height: 5px; }
*::-webkit-scrollbar-thumb { background: var(--border-2); border-radius: 4px; }

/* ── Responsive ──────────────────────────────────────────────────────────── */
@media (max-width: 640px) {
    .app-container { padding: 0 1rem 4rem; }
    .case-name-bar { gap: .65rem; }
    .expenses-grid { grid-template-columns: 1fr; }
    .expenses-grid .checkbox-group { grid-column: span 1; }
    .deductions-group { flex-direction: column; }
    .card-row { grid-template-columns: 1fr; }
    .actions { justify-content: stretch; }
    .actions .btn { flex: 1; }
}

/* ── Print ───────────────────────────────────────────────────────────────── */
@media print {
    body, body::before { background: #fff; }
    .header-actions, .case-name-bar button,
    .ai-section, .input-section, .shareholders-section,
    .actions, .app-footer, .history-panel, .history-overlay { display: none !important; }
    .panel { box-shadow: none; border: 1px solid #ddd; border-radius: 4px; }
    header { position: static; background: #fff; }
    header h1 { -webkit-text-fill-color: #1e3a8a; }
    thead { background: #1e293b !important; -webkit-print-color-adjust: exact; }
    .highlight-text { color: #047857 !important; }
    .deduction-cell { color: #b91c1c !important; }
}