/* HomeERP — style.css */

/* ===================== CSS VARIABLES ===================== */
:root, [data-theme="dark"] {
    --bg: #0f1117;
    --bg-alt: #181a20;
    --bg-card: #1c1e26;
    --bg-input: #23262f;
    --bg-hover: #282b35;
    --bg-active: #2d3040;
    --border: #2e3140;
    --border-light: #383b4a;
    --text: #d4d6dd;
    --text-dim: #8b8e9b;
    --text-bright: #eef0f5;
    --accent: #4f8cff;
    --accent-hover: #6da0ff;
    --accent-dim: #2a4a80;
    --success: #34c759;
    --error: #ff3b30;
    --warn: #ffcc00;
    --error-bg: #3a1c1c;
    --success-bg: #1c3a1c;
    --sidebar-w: 220px;
    --topbar-h: 44px;
    --scrollbar-thumb: #3a3d4a;
    --scrollbar-track: #1c1e26;
}

[data-theme="light"] {
    --bg: #f0f1f5;
    --bg-alt: #ffffff;
    --bg-card: #ffffff;
    --bg-input: #e8e9ed;
    --bg-hover: #dcdde2;
    --bg-active: #d0d1d8;
    --border: #c8c9d0;
    --border-light: #d8d9e0;
    --text: #23262f;
    --text-dim: #6b6e7b;
    --text-bright: #0f1117;
    --accent: #2563eb;
    --accent-hover: #3b7aff;
    --accent-dim: #b0c4ff;
    --success: #22a84d;
    --error: #dc2626;
    --warn: #ca8a04;
    --error-bg: #fde8e8;
    --success-bg: #e8fde8;
    --scrollbar-thumb: #b0b3be;
    --scrollbar-track: #e8e9ed;
}

/* ===================== RESET ===================== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 14px; }
body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    overflow-x: hidden;
}
a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); }

/* ===================== SCROLLBAR ===================== */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--scrollbar-track); }
::-webkit-scrollbar-thumb { background: var(--scrollbar-thumb); }
::-webkit-scrollbar-thumb:hover { background: var(--accent); }

/* ===================== LAYOUT ===================== */
.layout { display: flex; min-height: 100vh; }

.sidebar {
    width: var(--sidebar-w);
    background: var(--bg-alt);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0; left: 0; bottom: 0;
    z-index: 100;
    overflow-y: auto;
    overflow-x: hidden;
    transition: transform 0.2s;
}
.sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 14px;
    border-bottom: 1px solid var(--border);
    min-height: var(--topbar-h);
}
.sidebar-logo { font-weight: 700; font-size: 1.1rem; color: var(--accent); letter-spacing: 1px; }
.sidebar-close { display: none; background: none; border: none; color: var(--text-dim); font-size: 1.3rem; cursor: pointer; }
.sidebar-nav { flex: 1; padding: 6px 0; }
.nav-group-label { padding: 10px 16px 4px; font-size: 0.7rem; text-transform: uppercase; letter-spacing: 1.2px; color: var(--text-dim); }
.nav-item {
    display: flex; align-items: center; gap: 8px;
    padding: 7px 16px;
    color: var(--text);
    font-size: 0.87rem;
    transition: background 0.15s;
}
.nav-item:hover { background: var(--bg-hover); color: var(--text-bright); }
.nav-item.active { background: var(--bg-active); color: var(--accent); border-left: 2px solid var(--accent); }
.nav-icon { font-size: 0.7rem; width: 16px; text-align: center; }

.main-wrapper {
    flex: 1;
    margin-left: var(--sidebar-w);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* ===================== TOPBAR ===================== */
.topbar {
    height: var(--topbar-h);
    background: var(--bg-alt);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    padding: 0 16px;
    gap: 12px;
    position: sticky;
    top: 0;
    z-index: 50;
}
.topbar-menu-btn { display: none; background: none; border: none; color: var(--text); font-size: 1.2rem; cursor: pointer; }
.topbar-title { font-weight: 600; font-size: 1rem; color: var(--text-bright); }
.topbar-right { margin-left: auto; display: flex; align-items: center; gap: 10px; }
.topbar-user { font-size: 0.82rem; color: var(--text-dim); }
.topbar-logout { color: var(--error); font-size: 1rem; font-weight: 700; }
.theme-toggle { background: none; border: 1px solid var(--border); color: var(--text); font-size: 1rem; cursor: pointer; padding: 2px 6px; }

/* ===================== CONTENT ===================== */
.content { padding: 18px; flex: 1; }

/* ===================== FLASH ===================== */
.flash {
    padding: 10px 14px;
    margin-bottom: 14px;
    border-left: 3px solid var(--accent);
    background: var(--bg-card);
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.flash-success { border-color: var(--success); background: var(--success-bg); }
.flash-error { border-color: var(--error); background: var(--error-bg); }
.flash-close { background: none; border: none; color: var(--text-dim); cursor: pointer; font-size: 1.1rem; }

/* ===================== KPI GRID ===================== */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 12px;
    margin-bottom: 20px;
}
.kpi-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    padding: 14px;
}
.kpi-label { font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.8px; color: var(--text-dim); margin-bottom: 6px; }
.kpi-value { font-size: 1.5rem; font-weight: 700; color: var(--text-bright); }
.kpi-value.negative { color: var(--error); }
.kpi-value.positive { color: var(--success); }

/* ===================== PANELS ===================== */
.panels { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 20px; }
.panel {
    background: var(--bg-card);
    border: 1px solid var(--border);
}
.panel-header {
    padding: 10px 14px;
    border-bottom: 1px solid var(--border);
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--text-bright);
    display: flex;
    justify-content: space-between;
}
.panel-body { padding: 10px 14px; max-height: 300px; overflow-y: auto; }
.panel-row {
    display: flex;
    justify-content: space-between;
    padding: 5px 0;
    border-bottom: 1px solid var(--border);
    font-size: 0.82rem;
}
.panel-row:last-child { border-bottom: none; }
.panel-full { grid-column: 1 / -1; }

/* ===================== TABLES ===================== */
.table-wrap { overflow-x: auto; margin-bottom: 16px; }
table.grid {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.82rem;
}
table.grid th, table.grid td {
    padding: 7px 10px;
    border: 1px solid var(--border);
    text-align: left;
    white-space: nowrap;
}
table.grid th {
    background: var(--bg-alt);
    color: var(--text-dim);
    font-weight: 600;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    position: sticky;
    top: 0;
    z-index: 2;
}
table.grid tr:hover td { background: var(--bg-hover); }
table.grid td.num { text-align: right; font-variant-numeric: tabular-nums; }

/* ===================== FORMS ===================== */
.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 12px;
    margin-bottom: 16px;
}
.form-group { display: flex; flex-direction: column; gap: 4px; }
.form-group label { font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.5px; color: var(--text-dim); }
.form-group input,
.form-group select,
.form-group textarea {
    background: var(--bg-input);
    border: 1px solid var(--border);
    color: var(--text);
    padding: 7px 10px;
    font-size: 0.85rem;
    font-family: inherit;
    outline: none;
    transition: border-color 0.15s;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--accent);
}
.form-group textarea { resize: vertical; min-height: 60px; }
.form-row { display: flex; gap: 10px; flex-wrap: wrap; }

/* ===================== BUTTONS ===================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 7px 16px;
    border: 1px solid var(--border);
    background: var(--bg-input);
    color: var(--text);
    font-size: 0.82rem;
    cursor: pointer;
    font-family: inherit;
    transition: background 0.15s;
}
.btn:hover { background: var(--bg-hover); }
.btn-primary { background: var(--accent); color: #fff; border-color: var(--accent); }
.btn-primary:hover { background: var(--accent-hover); }
.btn-danger { background: var(--error); color: #fff; border-color: var(--error); }
.btn-sm { padding: 4px 10px; font-size: 0.78rem; }
.btn-group { display: flex; gap: 8px; margin-bottom: 16px; flex-wrap: wrap; }

/* ===================== LOGIN ===================== */
.login-wrap {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: var(--bg);
}
.login-box {
    background: var(--bg-card);
    border: 1px solid var(--border);
    padding: 30px;
    width: 340px;
    max-width: 95%;
}
.login-box h1 { font-size: 1.3rem; margin-bottom: 6px; color: var(--accent); }
.login-box p { font-size: 0.8rem; color: var(--text-dim); margin-bottom: 20px; }
.login-box .form-group { margin-bottom: 14px; }
.login-box .btn { width: 100%; justify-content: center; }
.login-error { color: var(--error); font-size: 0.82rem; margin-bottom: 12px; }

/* ===================== SHEET GRID ===================== */
.sheet-wrapper {
    display: flex;
    flex-direction: column;
    height: calc(100vh - var(--topbar-h) - 36px);
}
.sheet-toolbar {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 0;
    flex-wrap: wrap;
}
.sheet-toolbar input[type="text"] {
    background: var(--bg-input);
    border: 1px solid var(--border);
    color: var(--text);
    padding: 5px 10px;
    font-size: 0.82rem;
    width: 200px;
}
.sheet-tabs { display: flex; gap: 0; margin-bottom: 0; }
.sheet-tab {
    padding: 6px 16px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-bottom: none;
    color: var(--text-dim);
    cursor: pointer;
    font-size: 0.82rem;
}
.sheet-tab.active { background: var(--bg-card); color: var(--accent); border-bottom-color: var(--bg-card); }
.sheet-container {
    flex: 1;
    overflow: auto;
    border: 1px solid var(--border);
    background: var(--bg-card);
}
.sheet-table {
    border-collapse: collapse;
    font-size: 0.8rem;
    min-width: 100%;
}
.sheet-table th {
    background: var(--bg-alt);
    border: 1px solid var(--border);
    padding: 5px 6px;
    font-weight: 600;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-dim);
    position: sticky;
    top: 0;
    z-index: 3;
    white-space: nowrap;
    text-align: center;
}
.sheet-table td {
    border: 1px solid var(--border);
    padding: 0;
    height: 28px;
    min-width: 80px;
}
.sheet-table td.row-num {
    background: var(--bg-alt);
    color: var(--text-dim);
    text-align: center;
    width: 35px;
    min-width: 35px;
    font-size: 0.72rem;
    padding: 0 4px;
}
.sheet-table td input,
.sheet-table td select {
    width: 100%;
    height: 100%;
    border: none;
    background: transparent;
    color: var(--text);
    padding: 2px 5px;
    font-size: 0.8rem;
    font-family: inherit;
    outline: none;
}
.sheet-table td input:focus,
.sheet-table td select:focus {
    background: var(--accent-dim);
}
.sheet-table td.invalid { background: var(--error-bg); }
.sheet-table td.saved { background: var(--success-bg); }
.sheet-table tr.row-saved td { background: var(--success-bg); }
.sheet-table tr.row-error td { background: var(--error-bg); }

.sheet-table td.col-date { min-width: 110px; }
.sheet-table td.col-amount { min-width: 90px; }
.sheet-table td.col-desc { min-width: 160px; }
.sheet-table td.col-cat, .sheet-table td.col-member, .sheet-table td.col-loc, .sheet-table td.col-vendor { min-width: 110px; }

/* Toast */
.toast {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    padding: 12px 18px;
    font-size: 0.85rem;
    z-index: 9999;
    max-width: 350px;
    animation: fadeIn 0.2s;
}
.toast.success { border-left: 3px solid var(--success); }
.toast.error { border-left: 3px solid var(--error); }
@keyframes fadeIn { from { opacity:0; transform:translateY(10px); } to { opacity:1; transform:translateY(0); } }

/* ===================== MODAL ===================== */
.modal-overlay {
    position: fixed; inset: 0;
    background: rgba(0,0,0,0.5);
    display: flex; justify-content: center; align-items: center;
    z-index: 200;
}
.modal-overlay.hidden { display: none; }
.modal {
    background: var(--bg-card);
    border: 1px solid var(--border);
    padding: 20px;
    min-width: 340px;
    max-width: 90vw;
    max-height: 85vh;
    overflow-y: auto;
}
.modal h2 { font-size: 1rem; margin-bottom: 14px; color: var(--text-bright); }

/* ===================== SIDEBAR OVERLAY ===================== */
.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.4);
    z-index: 90;
}

/* ===================== RESPONSIVE ===================== */
@media (max-width: 860px) {
    .sidebar { transform: translateX(-100%); }
    .sidebar.open { transform: translateX(0); }
    .sidebar-close { display: block; }
    .sidebar-overlay.open { display: block; }
    .main-wrapper { margin-left: 0; }
    .topbar-menu-btn { display: block; }
    .panels { grid-template-columns: 1fr; }
    .kpi-grid { grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); }
}

/* ===================== UTILITY ===================== */
.mt-2 { margin-top: 8px; }
.mt-4 { margin-top: 16px; }
.mb-2 { margin-bottom: 8px; }
.mb-4 { margin-bottom: 16px; }
.text-right { text-align: right; }
.text-dim { color: var(--text-dim); }
.text-sm { font-size: 0.78rem; }
.hidden { display: none !important; }
.inline-block { display: inline-block; }