/* TEAM FRESH Invoice Manager - Dark Elegant Theme */
/* Primary: #009db1 (Teal) | Secondary: #e91e8c (Pink), #ff8a50 (Orange) */

@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@300;400;500;600;700&display=swap');

:root {
    --primary: #009db1;
    --primary-light: #00c4db;
    --primary-dark: #007a8a;
    --secondary-pink: #e91e8c;
    --secondary-orange: #ff8a50;
    --bg-darkest: #0a0a0a;
    --bg-dark: #111111;
    --bg-card: #1a1a1a;
    --bg-card-hover: #222222;
    --bg-input: #141414;
    --border: #2a2a2a;
    --border-light: #333333;
    --text-primary: #f0f0f0;
    --text-secondary: #a0a0a0;
    --text-muted: #666666;
    --success: #34c759;
    --warning: #ff9f0a;
    --danger: #ff453a;
    --radius: 12px;
    --radius-sm: 8px;
    --radius-lg: 16px;
    --shadow: 0 4px 24px rgba(0,0,0,0.3);
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.2);
    --transition: all 0.2s ease;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html, body {
    font-family: 'Roboto', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-darkest);
    color: var(--text-primary);
    font-size: 14px;
    line-height: 1.5;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

/* === SCROLLBAR === */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #333; border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: #555; }

/* === LOGIN === */
.login-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: var(--bg-darkest);
}

.login-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 48px;
    width: 400px;
    max-width: 90vw;
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
}

.login-card .logo-wrap {
    text-align: center;
    margin-bottom: 32px;
}

.login-card .logo-wrap img {
    height: 40px;
    margin-bottom: 16px;
}

.login-card h2 {
    font-size: 22px;
    font-weight: 600;
    text-align: center;
    margin-bottom: 4px;
}

.login-card .subtitle {
    text-align: center;
    color: var(--text-secondary);
    font-size: 13px;
    margin-bottom: 28px;
}

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

.sidebar {
    width: 260px;
    background: var(--bg-dark);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 100;
    transition: transform 0.3s ease;
}

.sidebar-header {
    padding: 24px 20px;
    border-bottom: 1px solid var(--border);
}

.sidebar-header img {
    height: 32px;
}

.sidebar-nav {
    flex: 1;
    padding: 12px 0;
    overflow-y: auto;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 11px 20px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
    font-size: 14px;
    font-weight: 400;
    border-left: 3px solid transparent;
}

.nav-item:hover {
    color: var(--text-primary);
    background: rgba(255,255,255,0.03);
}

.nav-item.active {
    color: var(--primary);
    background: rgba(0,157,177,0.08);
    border-left-color: var(--primary);
    font-weight: 500;
}

.nav-item svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.nav-divider {
    height: 1px;
    background: var(--border);
    margin: 8px 20px;
}

.sidebar-footer {
    padding: 16px 20px;
    border-top: 1px solid var(--border);
}

.user-info {
    display: flex;
    align-items: center;
    gap: 10px;
}

.user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--secondary-pink));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 600;
    color: white;
    flex-shrink: 0;
}

.user-details { flex: 1; min-width: 0; }
.user-details .name { font-size: 13px; font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.user-details .role { font-size: 11px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.5px; }

.btn-logout {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 6px;
    border-radius: 6px;
    transition: var(--transition);
}
.btn-logout:hover { color: var(--danger); background: rgba(255,69,58,0.1); }

.main-content {
    flex: 1;
    margin-left: 260px;
    padding: 32px;
    max-width: calc(100vw - 260px);
}

/* === PAGE HEADER === */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 28px;
}

.page-header h1 {
    font-size: 26px;
    font-weight: 600;
    letter-spacing: -0.3px;
}

.page-header .subtitle {
    color: var(--text-secondary);
    font-size: 13px;
    margin-top: 2px;
}

/* === CARDS === */
.card {
    background: var(--bg-card);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    padding: 24px;
    transition: var(--transition);
}

.card:hover {
    border-color: var(--border-light);
}

.stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 28px;
}

.stat-card {
    background: var(--bg-card);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    padding: 20px;
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
}

.stat-card.teal::before { background: var(--primary); }
.stat-card.pink::before { background: var(--secondary-pink); }
.stat-card.orange::before { background: var(--secondary-orange); }
.stat-card.green::before { background: var(--success); }
.stat-card.red::before { background: var(--danger); }

.stat-card .label {
    font-size: 12px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 8px;
}

.stat-card .value {
    font-size: 28px;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.stat-card .sub {
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: 4px;
}

/* === BUTTONS === */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    border: none;
    border-radius: var(--radius-sm);
    font-family: 'Roboto', sans-serif;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    white-space: nowrap;
}

.btn svg { width: 16px; height: 16px; }

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

.btn-pink { background: var(--secondary-pink); color: white; }
.btn-pink:hover { opacity: 0.9; }

.btn-orange { background: var(--secondary-orange); color: white; }
.btn-orange:hover { opacity: 0.9; }

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border);
}
.btn-ghost:hover { color: var(--text-primary); border-color: var(--border-light); background: rgba(255,255,255,0.03); }

.btn-danger { background: rgba(255,69,58,0.1); color: var(--danger); border: 1px solid rgba(255,69,58,0.2); }
.btn-danger:hover { background: rgba(255,69,58,0.2); }

.btn-sm { padding: 6px 12px; font-size: 12px; }
.btn-sm svg { width: 14px; height: 14px; }

.btn-icon {
    padding: 8px;
    background: none;
    border: 1px solid var(--border);
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
}
.btn-icon:hover { color: var(--text-primary); border-color: var(--border-light); }

/* === FORMS === */
.form-group { margin-bottom: 16px; }
.form-group label {
    display: block;
    font-size: 12px;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.form-control {
    width: 100%;
    padding: 10px 14px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: 'Roboto', sans-serif;
    font-size: 14px;
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(0,157,177,0.15);
}

.form-control::placeholder { color: var(--text-muted); }

select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23666' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-check {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
}

.form-check input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--primary);
}

/* === TAGS / BADGES === */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 0.3px;
}

.badge-open { background: rgba(0,157,177,0.15); color: var(--primary-light); }
.badge-paid { background: rgba(52,199,89,0.15); color: var(--success); }
.badge-reminded { background: rgba(255,69,58,0.15); color: var(--danger); }
.badge-overdue { background: rgba(255,159,10,0.15); color: var(--warning); }
.badge-recurring { background: rgba(233,30,140,0.15); color: var(--secondary-pink); }

/* === TABLE === */
.table-wrap {
    overflow-x: auto;
    border-radius: var(--radius);
    border: 1px solid var(--border);
}

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

th {
    text-align: left;
    padding: 12px 16px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
    background: var(--bg-dark);
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
}

td {
    padding: 14px 16px;
    border-bottom: 1px solid var(--border);
    font-size: 13px;
}

tr:last-child td { border-bottom: none; }

tr:hover td { background: rgba(255,255,255,0.02); }

td .customer-name { font-weight: 500; }
td .invoice-number { color: var(--text-muted); font-size: 12px; }
td .amount { font-weight: 600; font-variant-numeric: tabular-nums; }
td .date { color: var(--text-secondary); white-space: nowrap; }

.table-actions {
    display: flex;
    gap: 4px;
}

/* === FILTER BAR === */
.filter-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 20px;
    align-items: center;
}

.filter-bar .search-wrap {
    position: relative;
    flex: 1;
    min-width: 200px;
}

.filter-bar .search-wrap svg {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    width: 16px;
    height: 16px;
    color: var(--text-muted);
}

.filter-bar .search-wrap input {
    padding-left: 38px;
}

.filter-bar select {
    min-width: 140px;
}

/* === DROPZONE === */
.dropzone {
    border: 2px dashed var(--border);
    border-radius: var(--radius);
    padding: 48px;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    background: var(--bg-card);
}

.dropzone:hover,
.dropzone.drag-over {
    border-color: var(--primary);
    background: rgba(0,157,177,0.05);
}

.dropzone svg {
    width: 48px;
    height: 48px;
    color: var(--text-muted);
    margin-bottom: 16px;
}

.dropzone.drag-over svg { color: var(--primary); }

.dropzone h3 {
    font-size: 16px;
    font-weight: 500;
    margin-bottom: 4px;
}

.dropzone p {
    color: var(--text-muted);
    font-size: 13px;
}

/* === MODAL === */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.7);
    backdrop-filter: blur(8px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.25s ease;
}

.modal-overlay.show {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    width: 600px;
    max-width: 90vw;
    max-height: 85vh;
    overflow-y: auto;
    box-shadow: 0 24px 64px rgba(0,0,0,0.5);
    transform: scale(0.95) translateY(10px);
    transition: transform 0.25s ease;
}

.modal-overlay.show .modal {
    transform: scale(1) translateY(0);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border);
}

.modal-header h3 {
    font-size: 18px;
    font-weight: 600;
}

.modal-body { padding: 24px; }
.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    padding: 16px 24px;
    border-top: 1px solid var(--border);
}

/* === NOTIFICATIONS / TOAST === */
.toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.toast {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 14px 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    box-shadow: var(--shadow);
    animation: slideIn 0.3s ease;
    min-width: 300px;
}

.toast.success { border-left: 3px solid var(--success); }
.toast.error { border-left: 3px solid var(--danger); }
.toast.warning { border-left: 3px solid var(--warning); }
.toast.info { border-left: 3px solid var(--primary); }

@keyframes slideIn {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

/* === REMINDER BANNER === */
.reminder-banner {
    background: linear-gradient(135deg, rgba(255,159,10,0.1), rgba(255,138,80,0.1));
    border: 1px solid rgba(255,159,10,0.25);
    border-radius: var(--radius);
    padding: 16px 20px;
    margin-bottom: 20px;
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.reminder-banner svg {
    width: 20px;
    height: 20px;
    color: var(--warning);
    flex-shrink: 0;
    margin-top: 2px;
}

.reminder-banner .content { flex: 1; }
.reminder-banner h4 { font-size: 14px; font-weight: 600; color: var(--warning); margin-bottom: 4px; }
.reminder-banner p { font-size: 13px; color: var(--text-secondary); }
.reminder-banner a { color: var(--primary); text-decoration: none; font-weight: 500; }
.reminder-banner a:hover { text-decoration: underline; }

/* === CHART CONTAINERS === */
.chart-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 28px;
}

.chart-card {
    background: var(--bg-card);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    padding: 20px;
}

.chart-card h3 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--text-secondary);
}

.chart-card canvas {
    width: 100% !important;
    height: 280px !important;
}

/* === EMPTY STATE === */
.empty-state {
    text-align: center;
    padding: 64px 20px;
    color: var(--text-muted);
}

.empty-state svg {
    width: 64px;
    height: 64px;
    margin-bottom: 16px;
    opacity: 0.3;
}

.empty-state h3 { font-size: 18px; font-weight: 500; margin-bottom: 4px; color: var(--text-secondary); }
.empty-state p { font-size: 13px; }

/* === LOADING === */
.loading-spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid var(--border);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* === RESPONSIVE === */
@media (max-width: 1024px) {
    .chart-grid { grid-template-columns: 1fr; }
    .stat-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }
    .sidebar.open { transform: translateX(0); }
    .main-content { margin-left: 0; max-width: 100vw; padding: 20px; }
    .stat-grid { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .filter-bar { flex-direction: column; }
    .page-header { flex-direction: column; align-items: flex-start; gap: 12px; }
}

/* === MISC === */
.hidden { display: none !important; }
.text-muted { color: var(--text-muted); }
.text-primary { color: var(--primary); }
.text-pink { color: var(--secondary-pink); }
.text-orange { color: var(--secondary-orange); }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.text-warning { color: var(--warning); }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.flex { display: flex; }
.items-center { align-items: center; }
.gap-2 { gap: 16px; }
.gap-1 { gap: 8px; }
.justify-between { justify-content: space-between; }
.flex-1 { flex: 1; }

/* === UPLOAD QUEUE === */
.upload-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    margin-bottom: 12px;
    overflow: hidden;
    transition: var(--transition);
}

.upload-card:hover { border-color: var(--border-light); }

.upload-card.saved { border-color: rgba(52,199,89,0.4); }
.upload-card.error { border-color: rgba(255,69,58,0.4); }
.upload-card.parsing { opacity: 0.7; }

.upload-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 20px;
    cursor: pointer;
    user-select: none;
}

.upload-card-header .file-info {
    display: flex;
    align-items: center;
    gap: 12px;
    flex: 1;
    min-width: 0;
}

.upload-card-header .file-icon {
    width: 36px;
    height: 36px;
    background: rgba(0,157,177,0.1);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.upload-card-header .file-icon svg { width: 18px; height: 18px; color: var(--primary); }
.upload-card.saved .file-icon { background: rgba(52,199,89,0.1); }
.upload-card.saved .file-icon svg { color: var(--success); }

.upload-card-header .file-name {
    font-weight: 500;
    font-size: 14px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.upload-card-header .file-meta {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 2px;
}

.upload-card-header .status-badge { flex-shrink: 0; margin-left: 12px; }

.upload-card-header .card-actions {
    display: flex;
    gap: 6px;
    align-items: center;
    margin-left: 12px;
}

.upload-card-header .chevron {
    transition: transform 0.2s ease;
    color: var(--text-muted);
    flex-shrink: 0;
    margin-left: 8px;
}

.upload-card.open .chevron { transform: rotate(180deg); }

.upload-card-body {
    display: none;
    padding: 0 20px 20px;
    border-top: 1px solid var(--border);
}

.upload-card.open .upload-card-body { display: block; padding-top: 16px; }

.upload-progress {
    height: 3px;
    background: var(--bg-dark);
    border-radius: 2px;
    overflow: hidden;
    margin-top: 8px;
}

.upload-progress-bar {
    height: 100%;
    background: var(--primary);
    border-radius: 2px;
    transition: width 0.3s ease;
    width: 0%;
}

.upload-card.saved .upload-progress-bar { background: var(--success); width: 100%; }

@keyframes pulse {
    from { opacity: 0.4; }
    to { opacity: 1; }
}