/* ═══════════════════════════════════════════════════
   E-Grow Business Manager — Main Stylesheet
   ═══════════════════════════════════════════════════ */

:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #dbeafe;
    --success: #16a34a;
    --success-light: #dcfce7;
    --warning: #ea580c;
    --warning-light: #fff7ed;
    --danger: #dc2626;
    --danger-light: #fef2f2;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    --sidebar-width: 250px;
    --radius: 8px;
    --shadow: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.07), 0 2px 4px rgba(0,0,0,0.06);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body {
    font-family: 'Inter', -apple-system, sans-serif;
    background: var(--gray-50);
    color: var(--gray-800);
    font-size: 14px;
}

/* ── Layout ───────────────────────────────────────── */
.app-container {
    display: flex;
    min-height: 100vh;
}

/* ── Sidebar ──────────────────────────────────────── */
.sidebar {
    width: var(--sidebar-width);
    background: var(--gray-900);
    color: white;
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 100;
}

.sidebar-header {
    padding: 24px 20px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.logo {
    font-size: 22px;
    font-weight: 700;
    color: #60a5fa;
}

.logo-sub {
    display: block;
    font-size: 11px;
    color: var(--gray-400);
    margin-top: 2px;
}

.nav-menu {
    list-style: none;
    padding: 12px 0;
    flex: 1;
}

.nav-item a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 20px;
    color: var(--gray-300);
    text-decoration: none;
    font-size: 14px;
    transition: all 0.15s;
}

.nav-item a:hover {
    background: rgba(255,255,255,0.08);
    color: white;
}

.nav-item.active a {
    background: var(--primary);
    color: white;
    font-weight: 500;
}

.nav-item i {
    width: 20px;
    text-align: center;
    font-size: 15px;
}

.nav-divider {
    height: 1px;
    background: rgba(255,255,255,0.08);
    margin: 8px 16px;
}

.sidebar-footer {
    padding: 16px 20px;
    border-top: 1px solid rgba(255,255,255,0.08);
    color: var(--gray-500);
}

/* ── Main Content ─────────────────────────────────── */
.main-content {
    margin-left: var(--sidebar-width);
    flex: 1;
    min-height: 100vh;
}

.top-bar {
    background: white;
    padding: 16px 28px;
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 50;
}

.page-title {
    font-size: 20px;
    font-weight: 600;
}

.date-display {
    color: var(--gray-500);
    font-size: 13px;
}

.content-area {
    padding: 24px 28px;
}

/* ── Cards ────────────────────────────────────────── */
.card {
    background: white;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 20px;
    margin-bottom: 20px;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.card-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--gray-800);
}

/* ── Summary Cards (Dashboard) ────────────────────── */
.summary-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.summary-card {
    background: white;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 20px;
    border-left: 4px solid var(--gray-300);
}

.summary-card.income { border-left-color: var(--success); }
.summary-card.expense { border-left-color: var(--danger); }
.summary-card.balance { border-left-color: var(--primary); }
.summary-card.warning { border-left-color: var(--warning); }

.summary-card .label {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--gray-500);
    margin-bottom: 6px;
}

.summary-card .value {
    font-size: 24px;
    font-weight: 700;
}

.summary-card.income .value { color: var(--success); }
.summary-card.expense .value { color: var(--danger); }
.summary-card.balance .value { color: var(--primary); }
.summary-card.warning .value { color: var(--warning); }

.summary-card .sub {
    font-size: 12px;
    color: var(--gray-400);
    margin-top: 4px;
}

/* ── Alerts ───────────────────────────────────────── */
.alerts-panel {
    margin-bottom: 24px;
}

.alert-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: white;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    margin-bottom: 8px;
    border-left: 4px solid var(--gray-300);
    transition: transform 0.1s;
}

.alert-item:hover {
    transform: translateX(2px);
}

.alert-item.urgent {
    border-left-color: var(--danger);
    background: var(--danger-light);
}

.alert-item.soon {
    border-left-color: var(--warning);
    background: var(--warning-light);
}

.alert-icon { font-size: 20px; }

.alert-content { flex: 1; }

.alert-title {
    font-weight: 600;
    font-size: 13px;
}

.alert-desc {
    font-size: 12px;
    color: var(--gray-500);
}

.alert-meta {
    text-align: right;
    font-size: 12px;
}

.alert-amount {
    font-weight: 600;
    color: var(--gray-700);
}

.alert-days {
    color: var(--gray-500);
}

.alert-days.overdue {
    color: var(--danger);
    font-weight: 600;
}

/* ── Tables ───────────────────────────────────────── */
.table-container {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
}

thead th {
    text-align: left;
    padding: 10px 12px;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--gray-500);
    border-bottom: 2px solid var(--gray-200);
    white-space: nowrap;
}

tbody td {
    padding: 10px 12px;
    border-bottom: 1px solid var(--gray-100);
    font-size: 13px;
}

tbody tr:hover {
    background: var(--gray-50);
}

/* ── Status Badges ────────────────────────────────── */
.badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 600;
}

.badge-pending { background: #fef3c7; color: #92400e; }
.badge-paid { background: var(--success-light); color: var(--success); }
.badge-overdue { background: var(--danger-light); color: var(--danger); }
.badge-in_progress { background: var(--primary-light); color: var(--primary); }
.badge-completed { background: var(--success-light); color: var(--success); }
.badge-high { background: var(--danger-light); color: var(--danger); }
.badge-medium { background: #fef3c7; color: #92400e; }
.badge-low { background: var(--gray-100); color: var(--gray-500); }
.badge-success { background: var(--success-light); color: var(--success); }
.badge-danger { background: var(--danger-light); color: var(--danger); }

.btn-sm { padding: 4px 10px; font-size: 0.85em; }
.aade-btn { padding: 4px 8px; }
.detail-row td { background: #fafbfc; }

/* ── Buttons ──────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border: none;
    border-radius: var(--radius);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.15s;
}

.btn-primary {
    background: var(--primary);
    color: white;
}
.btn-primary:hover { background: var(--primary-dark); }

.btn-success {
    background: var(--success);
    color: white;
}
.btn-success:hover { background: #15803d; }

.btn-danger {
    background: var(--danger);
    color: white;
}
.btn-danger:hover { background: #b91c1c; }

.btn-outline {
    background: white;
    color: var(--gray-600);
    border: 1px solid var(--gray-300);
}
.btn-outline:hover { background: var(--gray-50); }

.btn-sm {
    padding: 4px 10px;
    font-size: 12px;
}

.btn-icon {
    padding: 6px 8px;
    background: transparent;
    border: none;
    color: var(--gray-400);
    cursor: pointer;
    border-radius: 4px;
}
.btn-icon:hover { color: var(--gray-600); background: var(--gray-100); }

/* ── Forms ────────────────────────────────────────── */
.form-group {
    margin-bottom: 14px;
}

.form-group label {
    display: block;
    font-size: 12px;
    font-weight: 500;
    color: var(--gray-600);
    margin-bottom: 4px;
}

.form-control {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid var(--gray-300);
    border-radius: 6px;
    font-size: 13px;
    font-family: inherit;
    transition: border-color 0.15s;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

select.form-control {
    appearance: auto;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 12px;
}

/* ── Modal ────────────────────────────────────────── */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.4);
    z-index: 200;
    align-items: center;
    justify-content: center;
}

.modal-overlay.active {
    display: flex;
}

.modal {
    background: white;
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
    width: 90%;
    max-width: 520px;
    max-height: 85vh;
    overflow-y: auto;
}

.modal-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    font-size: 16px;
    font-weight: 600;
}

.modal-body {
    padding: 20px;
}

.modal-footer {
    padding: 12px 20px;
    border-top: 1px solid var(--gray-200);
    display: flex;
    justify-content: flex-end;
    gap: 8px;
}

/* ── Flash Messages ───────────────────────────────── */
.flash-messages {
    padding: 12px 28px 0;
}

.flash {
    padding: 10px 16px;
    border-radius: var(--radius);
    margin-bottom: 8px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
    animation: slideDown 0.3s ease;
}

.flash-success { background: var(--success-light); color: var(--success); }
.flash-info { background: var(--primary-light); color: var(--primary); }
.flash-error { background: var(--danger-light); color: var(--danger); }

.flash-close {
    background: none;
    border: none;
    font-size: 18px;
    cursor: pointer;
    color: inherit;
    opacity: 0.6;
}

/* ── Filters ──────────────────────────────────────── */
.filters-bar {
    display: flex;
    gap: 8px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 6px 14px;
    border: 1px solid var(--gray-300);
    border-radius: 20px;
    background: white;
    font-size: 12px;
    color: var(--gray-600);
    cursor: pointer;
    text-decoration: none;
    transition: all 0.15s;
}

.filter-btn:hover { border-color: var(--primary); color: var(--primary); }
.filter-btn.active {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
}

/* ── Utilities ────────────────────────────────────── */
.text-right { text-align: right; }
.text-center { text-align: center; }
.text-muted { color: var(--gray-400); }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.font-mono { font-family: 'SF Mono', 'Fira Code', monospace; }
.mt-2 { margin-top: 8px; }
.mb-2 { margin-bottom: 8px; }
.amount { font-variant-numeric: tabular-nums; }

.empty-state {
    text-align: center;
    padding: 48px 20px;
    color: var(--gray-400);
}

.empty-state i {
    font-size: 48px;
    margin-bottom: 12px;
}

.empty-state p {
    font-size: 14px;
}

/* ── Grid layouts ─────────────────────────────────── */
.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

@media (max-width: 900px) {
    .grid-2 { grid-template-columns: 1fr; }
}

/* ── VAT Quarterly ────────────────────────────────── */
.vat-quarters-grid {
    display: flex;
    flex-wrap: wrap;
    gap: .6rem;
    padding: .7rem;
}

.vat-quarter-card {
    border: 1px solid var(--gray-200);
    border-radius: 8px;
    padding: .55rem .75rem;
    background: var(--gray-50);
    min-width: 175px;
    max-width: 210px;
}

.vat-quarter-card.debit { border-left: 3px solid var(--danger); }
.vat-quarter-card.credit { border-left: 3px solid var(--success); }
.vat-quarter-card.zero { border-left: 3px solid var(--gray-400); }

.vat-quarter-label {
    font-weight: 700;
    font-size: .8rem;
    margin-bottom: .35rem;
    color: var(--gray-800);
}

.vat-rows { display: flex; flex-direction: column; gap: .1rem; }

.vat-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: .78rem;
    line-height: 1.3;
}

.vat-row-label { color: var(--gray-500); font-size: .75rem; }
.vat-row-value { font-weight: 600; font-variant-numeric: tabular-nums; font-size: .78rem; }
.vat-row-value.out { color: var(--danger); }
.vat-row-value.in { color: var(--success); }

.vat-divider {
    height: 1px;
    background: var(--gray-200);
    margin: .15rem 0;
}

.balance-row .vat-row-label { font-weight: 600; color: var(--gray-700); }
.balance-row .vat-row-value { font-size: .82rem; }
.balance-row .vat-row-value.χρεωστικό { color: var(--danger); }
.balance-row .vat-row-value.πιστωτικό { color: var(--success); }

.vat-type-badge {
    display: inline-block;
    font-size: .58rem;
    font-weight: 600;
    text-transform: uppercase;
    padding: 1px 4px;
    border-radius: 3px;
    margin-left: 3px;
    vertical-align: middle;
}
.vat-row-value.χρεωστικό .vat-type-badge {
    background: var(--danger-light);
    color: var(--danger);
}
.vat-row-value.πιστωτικό .vat-type-badge {
    background: var(--success-light);
    color: var(--success);
}

.vat-invoices {
    margin-top: .3rem;
    font-size: .68rem;
    color: var(--gray-400);
}

/* ── Monthly Turnover Table ──────────────────────── */
.monthly-table { font-size: .88rem; }
.monthly-table td, .monthly-table th { padding: .45rem .6rem; }
.monthly-count {
    font-size: .7rem;
    color: var(--gray-400);
    margin-left: 4px;
}

/* ── Animations ───────────────────────────────────── */
@keyframes slideDown {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ── Sortable Table Headers ───────────────────────── */
thead th[data-sort] {
    cursor: pointer;
    transition: background 0.15s, color 0.15s;
}
thead th[data-sort]:hover {
    background: rgba(79,156,249,0.1);
    color: #4f9cf9;
}
thead th.sort-asc,
thead th.sort-desc {
    background: rgba(79,156,249,0.15);
    color: #4f9cf9;
}
thead th.sort-asc .sort-icon,
thead th.sort-desc .sort-icon {
    opacity: 1 !important;
    color: #4f9cf9;
}

/* ── Login Page ───────────────────────────────────── */
body.login-page {
    background: var(--gray-100);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
}

.login-container {
    width: 100%;
    max-width: 400px;
    padding: 20px;
}

.login-box {
    background: white;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    padding: 36px 32px;
}

.login-logo {
    text-align: center;
    margin-bottom: 28px;
}

.login-logo h1 {
    font-size: 32px;
    font-weight: 800;
    color: var(--primary);
}

.login-logo p {
    font-size: 13px;
    color: var(--gray-500);
    margin-top: 4px;
}

.btn-block { width: 100%; justify-content: center; margin-top: 8px; }

/* ── Alert (flash) compatibility ─────────────────── */
.alert {
    padding: 10px 16px;
    border-radius: var(--radius);
    margin-bottom: 12px;
    font-size: 13px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.alert-danger, .alert-error { background: var(--danger-light); color: var(--danger); }
.alert-success { background: var(--success-light); color: var(--success); }
.alert-info { background: var(--primary-light); color: var(--primary); }
.alert-dismissible button {
    background: none; border: none; font-size: 18px;
    cursor: pointer; color: inherit; opacity: 0.6;
}

/* ── KPI Cards (Dashboard) ────────────────────────── */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.kpi-card {
    background: white;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 20px 24px;
    border-left: 4px solid var(--gray-300);
}

.kpi-card.kpi-green { border-left-color: var(--success); }
.kpi-card.kpi-red   { border-left-color: var(--danger); }
.kpi-card.kpi-blue  { border-left-color: var(--primary); }
.kpi-card.kpi-orange{ border-left-color: var(--warning); }

.kpi-label {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.6px;
    color: var(--gray-500);
    margin-bottom: 6px;
    font-weight: 600;
}

.kpi-value {
    font-size: 26px;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
}
.kpi-green .kpi-value { color: var(--success); }
.kpi-red   .kpi-value { color: var(--danger); }
.kpi-blue  .kpi-value { color: var(--primary); }
.kpi-orange.kpi-value { color: var(--warning); }

.kpi-sub {
    font-size: 12px;
    color: var(--gray-400);
    margin-top: 4px;
}

/* ── Card body ────────────────────────────────────── */
.card-body { padding: 16px 20px; }
.card-body.p-0 { padding: 0; }
.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 20px;
    border-bottom: 1px solid var(--gray-100);
    font-size: 15px;
    font-weight: 600;
    color: var(--gray-700);
}
.card-header i { margin-right: 6px; color: var(--primary); }

/* ── Row / Col grid (simple 12-col) ──────────────── */
.row {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
}
.col-5  { flex: 0 0 calc(41.666% - 10px); min-width: 0; }
.col-7  { flex: 0 0 calc(58.333% - 10px); min-width: 0; }
.col-6  { flex: 0 0 calc(50% - 10px); min-width: 0; }
.col-12 { flex: 0 0 100%; }
@media (max-width: 900px) {
    .col-5, .col-7, .col-6 { flex: 0 0 100%; }
}

/* ── Bootstrap-like utilities ─────────────────────── */
.mt-4 { margin-top: 24px; }
.mt-2 { margin-top: 8px; }
.mb-4 { margin-bottom: 24px; }
.py-4 { padding-top: 24px; padding-bottom: 24px; }
.float-right { float: right; }
.table { width: 100%; border-collapse: collapse; }
.table-responsive { overflow-x: auto; }
.badge-warning { background: #fef3c7; color: #92400e; }
.fa-3x { font-size: 3em; }

/* ── Alert List items ─────────────────────────────── */
.alert-list { padding: 0; }
.alert-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 12px 20px;
    border-bottom: 1px solid var(--gray-100);
}
.alert-item:last-child { border-bottom: none; }
.alert-item.alert-urgent { background: var(--danger-light); }
.alert-body { flex: 1; }
.alert-icon { font-size: 20px; }
.alert-title { font-weight: 600; font-size: 13px; }
.alert-desc { font-size: 12px; color: var(--gray-500); }
.alert-meta { text-align: right; font-size: 12px; white-space: nowrap; }
.alert-amount { font-weight: 600; color: var(--gray-700); }
.alert-days { color: var(--gray-500); }

/* ── Task List ────────────────────────────────────── */
.task-list { padding: 0; }
.task-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 20px;
    border-bottom: 1px solid var(--gray-100);
    border-left: 3px solid var(--gray-300);
}
.task-item:last-child { border-bottom: none; }
.task-item.priority-high   { border-left-color: var(--danger); }
.task-item.priority-medium { border-left-color: var(--warning); }
.task-item.priority-low    { border-left-color: var(--gray-300); }
.task-title { font-size: 13px; font-weight: 500; }
.task-meta  { font-size: 11px; color: var(--gray-500); }
.task-due   { font-size: 12px; color: var(--gray-400); white-space: nowrap; }