/**
 * MC4 Easee Invoice - Standalone App Styles
 */

/* === Reset & Base === */
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, "Helvetica Neue", Arial, sans-serif;
    font-size: 14px;
    line-height: 1.5;
    color: #1a1a2e;
    background: #f1f1f4;
}

/* === CSS Variables === */
:root {
    --easee-green: #00d4aa;
    --easee-green-dark: #00a085;
    --easee-dark: #1a1a2e;
    --easee-gray: #f8f9fa;
    --easee-border: #e0e0e0;
    --easee-text: #333;
    --easee-text-muted: #666;
    --easee-text-light: #999;
    --easee-error: #cc1818;
    --easee-success: #00a32a;
    --easee-warning: #dba617;
    --easee-card-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

/* === Typography === */
h1, h2, h3, h4 { color: var(--easee-dark); margin: 0 0 12px 0; font-weight: 600; }
h1 { font-size: 1.6em; }
h2 { font-size: 1.05em; }
h3 { font-size: 1em; }
p { margin: 0 0 8px 0; }
a { color: var(--easee-green-dark); text-decoration: none; }
a:hover { text-decoration: underline; }
small { font-size: 0.85em; color: var(--easee-text-muted); }
code { background: #f4f4f4; padding: 2px 6px; border-radius: 3px; font-size: 0.9em; }
.muted { color: var(--easee-text-muted); }
.small { font-size: 0.85em; }
.required { color: var(--easee-error); }
.status-active { color: var(--easee-success); font-weight: 600; }

/* === Auth Pages (Login / Install) === */
body.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    padding: 20px;
}
.auth-card {
    background: #fff;
    border-radius: 16px;
    padding: 40px;
    width: 100%;
    max-width: 480px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}
.auth-header {
    text-align: center;
    margin-bottom: 30px;
}
.brand {
    font-size: 1.8em;
    font-weight: 700;
    color: var(--easee-dark);
    letter-spacing: -0.5px;
}
.brand span { color: var(--easee-green); }
.auth-subtitle {
    color: var(--easee-text-muted);
    font-size: 0.95em;
    margin-top: 8px;
}
.auth-footer {
    text-align: center;
    margin-top: 25px;
    padding-top: 20px;
    border-top: 1px solid #f0f0f0;
}
.install-checks { margin-bottom: 24px; }
.install-checks h3 { margin-bottom: 12px; }
.checks { list-style: none; padding: 0; margin: 0; }
.checks li {
    padding: 8px 12px;
    margin-bottom: 4px;
    border-radius: 6px;
    background: var(--easee-gray);
    font-size: 0.9em;
}
.checks li.ok { background: #d4edda; color: #155724; }
.checks li.fail { background: #f8d7da; color: #721c24; }
.checks li.warn { background: #fff3cd; color: #856404; }

/* === App Layout === */
.app-header {
    background: #fff;
    border-bottom: 1px solid var(--easee-border);
    box-shadow: 0 1px 4px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 100;
}
.app-header-inner {
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    height: 60px;
    gap: 30px;
}
.app-header .brand { font-size: 1.2em; }
.main-nav {
    display: flex;
    gap: 4px;
    flex: 1;
    margin-left: 20px;
}
.main-nav a {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    border-radius: 8px;
    color: var(--easee-text);
    font-weight: 500;
    transition: all 0.15s;
    text-decoration: none;
}
.main-nav a:hover {
    background: var(--easee-gray);
    text-decoration: none;
}
.main-nav a.active {
    background: rgba(0,212,170,0.12);
    color: var(--easee-green-dark);
}
.main-nav svg {
    width: 18px;
    height: 18px;
}
.user-menu {
    display: flex;
    align-items: center;
    gap: 12px;
}
.app-main {
    max-width: 1600px;
    margin: 0 auto;
    padding: 25px 20px 60px;
}
.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 25px;
}

/* === Cards === */
.card {
    background: #fff;
    border-radius: 12px;
    padding: 22px 24px;
    box-shadow: var(--easee-card-shadow);
    margin-bottom: 20px;
}
.card h2 {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 0 0 18px 0;
    font-size: 1em;
    font-weight: 600;
}
.badge {
    background: var(--easee-green);
    color: white;
    padding: 2px 10px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
    margin-left: auto;
}

/* === Forms === */
.form-group { margin-bottom: 14px; }
.form-group label {
    display: block;
    font-weight: 500;
    margin-bottom: 6px;
    color: #444;
    font-size: 13px;
}
.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="password"],
.form-group input[type="number"],
.form-group input[type="date"],
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 9px 12px;
    border: 2px solid var(--easee-border);
    border-radius: 8px;
    font-size: 14px;
    font-family: inherit;
    background: #fff;
    transition: all 0.15s;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--easee-green);
    box-shadow: 0 0 0 3px rgba(0,212,170,0.12);
}
.form-hint {
    margin: 5px 0 0;
    color: var(--easee-text-muted);
    font-size: 12px;
}
.form-row {
    display: flex;
    gap: 14px;
}
.form-row .form-group {
    flex: 1;
    min-width: 0;
}
.checkbox-label {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    user-select: none;
}
.checkbox-label input { width: auto; }
.media-upload {
    display: flex;
    gap: 10px;
}
.media-upload input { flex: 1; }
.form-actions {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-top: 20px;
}

/* === Buttons === */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 9px 18px;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    font-family: inherit;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.15s;
    line-height: 1;
    white-space: nowrap;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }
.btn-primary {
    background: linear-gradient(135deg, var(--easee-green) 0%, var(--easee-green-dark) 100%);
    color: #fff;
    box-shadow: 0 2px 8px rgba(0,212,170,0.3);
}
.btn-primary:hover {
    background: linear-gradient(135deg, var(--easee-green-dark) 0%, #008866 100%);
    color: #fff;
    box-shadow: 0 4px 12px rgba(0,212,170,0.4);
}
.btn-secondary {
    background: #fff;
    color: var(--easee-text);
    border: 2px solid var(--easee-border);
}
.btn-secondary:hover { border-color: var(--easee-green); color: var(--easee-green-dark); }
.btn-ghost {
    background: transparent;
    color: var(--easee-text);
    border: 1px solid var(--easee-border);
}
.btn-ghost:hover { background: var(--easee-gray); }
.btn-danger {
    background: #fff;
    color: var(--easee-error);
    border: 2px solid var(--easee-error);
}
.btn-danger:hover { background: var(--easee-error); color: #fff; }
.btn-block { width: 100%; }
.btn-sm { padding: 5px 12px; font-size: 13px; }
.btn-icon {
    width: 32px;
    height: 32px;
    padding: 0;
    font-size: 14px;
}

/* === Alerts / Status === */
.alert {
    padding: 12px 16px;
    border-radius: 8px;
    margin-bottom: 16px;
    font-size: 14px;
}
.alert-success { background: #d4edda; color: #155724; border: 1px solid #c3e6cb; }
.alert-error   { background: #f8d7da; color: #721c24; border: 1px solid #f5c6cb; }
.alert-info    { background: #d1ecf1; color: #0c5460; border: 1px solid #bee5eb; }
.alert strong { display: block; margin-bottom: 4px; }
.alert p { margin: 0; }

.status-msg {
    display: inline-block;
    padding: 6px 14px;
    border-radius: 6px;
    font-size: 13px;
    margin-left: 10px;
    transition: opacity 0.3s;
}
.status-msg:empty { display: none; }
.status-msg.success { background: #d4edda; color: #155724; }
.status-msg.error   { background: #f8d7da; color: #721c24; }
.status-msg.loading { background: #fff3cd; color: #856404; }

/* === Status Card === */
.status-card { background: linear-gradient(135deg, #f8f9fa 0%, #fff 100%); }
.status-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
}
.status-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
}
.status-dot { font-size: 14px; line-height: 1; }
.status-dot.active { color: var(--easee-success); }
.status-dot.inactive { color: var(--easee-error); }

/* === Info Box === */
.info-box {
    background: linear-gradient(135deg, rgba(0,212,170,0.08) 0%, rgba(0,160,133,0.08) 100%);
    border: 1px solid var(--easee-green);
    border-radius: 10px;
    padding: 12px 16px;
}
.info-box p { margin: 4px 0; font-size: 13px; color: var(--easee-green-dark); }

/* === Tabs === */
.tabs {
    display: flex;
    gap: 6px;
    margin-bottom: 16px;
}
.tab {
    padding: 8px 16px;
    border: none;
    background: var(--easee-gray);
    border-radius: 6px;
    cursor: pointer;
    font-weight: 500;
    font-size: 13px;
    font-family: inherit;
    transition: all 0.15s;
}
.tab:hover { background: #eee; }
.tab.active { background: var(--easee-dark); color: #fff; }
.tab-content { display: none; }
.tab-content.active { display: block; }

/* === File Upload === */
.file-upload {
    border: 2px dashed #ccc;
    border-radius: 10px;
    padding: 30px 20px;
    text-align: center;
    cursor: pointer;
    background: var(--easee-gray);
    transition: all 0.15s;
}
.file-upload:hover {
    border-color: var(--easee-green);
    background: rgba(0,212,170,0.04);
}
.file-upload input[type="file"] { display: none; }
.file-upload label { cursor: pointer; display: block; }
.file-upload .upload-icon {
    font-size: 36px;
    display: block;
    margin-bottom: 8px;
}
.file-upload p { margin: 4px 0; }

/* === Users List === */
.users-list { max-height: 400px; overflow-y: auto; }
.user-item {
    display: flex;
    align-items: center;
    padding: 11px 14px;
    background: var(--easee-gray);
    border-radius: 8px;
    margin-bottom: 6px;
    cursor: pointer;
    transition: all 0.15s;
    border: 2px solid transparent;
}
.user-item:hover { background: #eee; }
.user-item.selected {
    background: rgba(0,212,170,0.10);
    border-color: var(--easee-green);
}
.user-item .user-info { flex: 1; min-width: 0; }
.user-item .user-name {
    font-weight: 600;
    color: var(--easee-dark);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.user-item .user-energy {
    font-size: 12px;
    color: var(--easee-text-muted);
    margin-top: 2px;
}
.user-item .user-amount {
    font-weight: 700;
    color: var(--easee-green-dark);
    font-size: 14px;
    margin: 0 10px;
}
.user-item .user-actions {
    display: flex;
    gap: 4px;
}

/* === Grid Layout (Dashboard) === */
.grid-layout {
    display: grid;
    grid-template-columns: 400px 1fr;
    gap: 25px;
    align-items: start;
}
@media (max-width: 1200px) {
    .grid-layout { grid-template-columns: 1fr; }
}
.preview-col { position: sticky; top: 80px; }
.invoice-actions {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}
.settings-container { max-width: 920px; }

/* === No Data State === */
.no-data {
    text-align: center;
    padding: 50px 20px;
    color: var(--easee-text-light);
}
.no-data .big-icon {
    font-size: 50px;
    display: block;
    margin-bottom: 12px;
    opacity: 0.4;
}
.no-data h3 { margin: 0 0 8px; color: var(--easee-text-muted); }

/* === Invoice Document Preview === */
.invoice-document {
    background: #fff;
    padding: 36px;
    border: 1px solid #ddd;
    border-radius: 6px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}
.invoice-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 20px;
}
.invoice-logo { font-weight: 700; font-size: 1.8em; color: var(--easee-dark); }
.invoice-logo img { max-height: 50px; max-width: 180px; object-fit: contain; }
.invoice-title { text-align: right; }
.invoice-title h1 { font-size: 1.6em; color: var(--easee-dark); margin: 0; }
.invoice-number { color: var(--easee-text-muted); font-size: 0.9em; }
.invoice-green-line {
    height: 3px;
    background: linear-gradient(90deg, var(--easee-green) 0%, var(--easee-green-dark) 100%);
    margin-bottom: 28px;
}
.invoice-meta {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin-bottom: 26px;
}
.invoice-meta-section h3 {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--easee-text-light);
    margin: 0 0 10px 0;
}
.invoice-meta-section p { margin: 4px 0; color: #444; font-size: 13px; }
.invoice-meta-section .highlight {
    font-weight: 600;
    color: var(--easee-dark);
    font-size: 14px;
}
.invoice-period {
    background: var(--easee-gray);
    padding: 12px 18px;
    border-radius: 8px;
    margin-bottom: 22px;
}
.invoice-period span { color: var(--easee-text-muted); }
.invoice-period strong { color: var(--easee-dark); margin-left: 8px; }
.invoice-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 22px;
}
.invoice-table th {
    background: var(--easee-dark);
    color: #fff;
    padding: 11px 14px;
    text-align: left;
    font-weight: 600;
    font-size: 12px;
}
.invoice-table th:first-child { border-radius: 8px 0 0 0; }
.invoice-table th:last-child { border-radius: 0 8px 0 0; text-align: right; }
.invoice-table td {
    padding: 14px;
    border-bottom: 1px solid #eee;
    font-size: 13px;
}
.invoice-table td:last-child { text-align: right; }
.invoice-totals {
    display: flex;
    justify-content: flex-end;
}
.invoice-totals-box { width: 280px; }
.invoice-totals-row {
    display: flex;
    justify-content: space-between;
    padding: 9px 0;
    border-bottom: 1px solid #eee;
    font-size: 13px;
}
.invoice-totals-row.total {
    border-bottom: none;
    background: linear-gradient(135deg, var(--easee-green) 0%, var(--easee-green-dark) 100%);
    color: #fff;
    margin-top: 10px;
    padding: 12px 18px;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 700;
}
.invoice-qr-note {
    background: #e8f5e9;
    border: 1px solid #4caf50;
    border-radius: 8px;
    padding: 11px 14px;
    margin-top: 18px;
    color: #2e7d32;
    font-size: 13px;
}
.invoice-footer {
    margin-top: 28px;
    padding-top: 18px;
    border-top: 1px solid #eee;
    text-align: center;
    color: var(--easee-text-muted);
    font-size: 12px;
}
.invoice-footer p { margin: 4px 0; }

/* === Tables === */
.data-table {
    width: 100%;
    border-collapse: collapse;
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
}
.data-table th {
    background: var(--easee-gray);
    color: var(--easee-dark);
    text-align: left;
    padding: 12px 14px;
    font-weight: 600;
    font-size: 13px;
    border-bottom: 2px solid var(--easee-border);
}
.data-table td {
    padding: 12px 14px;
    border-bottom: 1px solid #eee;
    font-size: 13px;
}
.data-table tr:hover { background: #fafafa; }
.data-table .actions {
    white-space: nowrap;
    display: flex;
    gap: 4px;
}
.table-summary {
    margin-top: 16px;
    padding: 14px 18px;
    background: var(--easee-gray);
    border-radius: 8px;
    font-size: 14px;
}

/* === Responsive === */
@media (max-width: 782px) {
    .form-row { flex-direction: column; gap: 0; }
    .invoice-meta { grid-template-columns: 1fr; }
    .app-header-inner {
        flex-wrap: wrap;
        height: auto;
        padding: 10px 14px;
        gap: 10px;
    }
    .main-nav {
        order: 3;
        width: 100%;
        margin-left: 0;
        overflow-x: auto;
    }
    .main-nav a { padding: 6px 10px; font-size: 13px; }
    .invoice-document { padding: 20px; }
    .data-table { font-size: 12px; }
    .data-table th, .data-table td { padding: 8px 6px; }
}