/* ============================================================
   WINOVA — Platform Styles
   Clean industrial design for windows & doors industry
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
    /* Colors */
    --primary: #1a5276;
    --primary-light: #2471a3;
    --primary-dark: #0e3450;
    --accent: #e67e22;
    --accent-light: #f39c12;

    --bg: #f4f6f8;
    --bg-card: #ffffff;
    --bg-sidebar: #0e1a26;
    --bg-sidebar-hover: #162d42;
    --bg-sidebar-active: #1a5276;

    --text: #2c3e50;
    --text-light: #7f8c8d;
    --text-sidebar: #bdc3c7;
    --text-sidebar-active: #ffffff;

    --border: #e0e4e8;
    --border-light: #ecf0f1;

    --success: #27ae60;
    --warning: #f39c12;
    --danger: #e74c3c;
    --info: #3498db;

    /* Sizes */
    --sidebar-w: 240px;
    --topbar-h: 56px;
    --radius: 8px;
    --radius-sm: 4px;

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
    --shadow: 0 2px 8px rgba(0,0,0,0.1);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.12);
}

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

body {
    font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 14px;
    color: var(--text);
    background: var(--bg);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

a { color: var(--primary-light); text-decoration: none; }
a:hover { color: var(--primary); }

/* ============================================================
   LOGIN PAGE
   ============================================================ */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
    position: relative;
    overflow: hidden;
}

.login-page::before {
    content: '';
    position: absolute;
    top: -50%; left: -50%;
    width: 200%; height: 200%;
    background: repeating-linear-gradient(
        45deg, transparent, transparent 40px,
        rgba(255,255,255,0.02) 40px, rgba(255,255,255,0.02) 80px
    );
    animation: loginPattern 30s linear infinite;
}

@keyframes loginPattern {
    from { transform: translate(0, 0); }
    to { transform: translate(80px, 80px); }
}

.login-box {
    position: relative;
    background: var(--bg-card);
    border-radius: 12px;
    padding: 48px 40px;
    width: 100%;
    max-width: 400px;
    box-shadow: var(--shadow-lg);
}

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

.login-logo .logo-icon {
    width: 64px;
    height: 64px;
    margin-bottom: 12px;
}

.login-logo h1 {
    font-size: 28px;
    font-weight: 700;
    color: var(--primary);
    letter-spacing: -0.5px;
}

.login-logo span {
    color: var(--accent);
}

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

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 6px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px 14px;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 14px;
    color: var(--text);
    background: var(--bg);
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-light);
    box-shadow: 0 0 0 3px rgba(26,82,118,0.1);
}

.form-error {
    background: #fde8e8;
    color: var(--danger);
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    margin-bottom: 16px;
    display: none;
}

.form-error.show { display: block; }

/* ---- Buttons ---- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    border: none;
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    white-space: nowrap;
}

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

.btn-accent {
    background: var(--accent);
    color: #fff;
}
.btn-accent:hover { background: var(--accent-light); }

.btn-outline {
    background: transparent;
    color: var(--primary);
    border: 1.5px solid var(--border);
}
.btn-outline:hover { border-color: var(--primary); background: rgba(26,82,118,0.05); }

.btn-danger {
    background: var(--danger);
    color: #fff;
}
.btn-danger:hover { background: #c0392b; }

.btn-sm { padding: 6px 12px; font-size: 12px; }
.btn-lg { padding: 14px 28px; font-size: 16px; }
.btn-block { width: 100%; }

.btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* ============================================================
   APP LAYOUT (sidebar + content)
   ============================================================ */
.app-layout {
    display: flex;
    min-height: 100vh;
}

/* ---- Sidebar ---- */
.sidebar {
    width: var(--sidebar-w);
    background: var(--bg-sidebar);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0; left: 0; bottom: 0;
    z-index: 100;
    transition: transform 0.3s;
}

.sidebar-logo {
    padding: 20px 24px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.sidebar-logo .logo-brand {
    display: flex;
    align-items: center;
    gap: 10px;
}

.sidebar-logo .logo-icon {
    width: 32px;
    height: 32px;
    filter: brightness(0) invert(1);
}

.sidebar-logo h2 {
    font-size: 20px;
    font-weight: 700;
    color: #fff;
    letter-spacing: -0.3px;
}

.sidebar-logo h2 span { color: var(--accent); }

.sidebar-logo p {
    font-size: 11px;
    color: var(--text-sidebar);
    margin-top: 2px;
    opacity: 0.6;
}

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

.sidebar-nav a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 24px;
    color: var(--text-sidebar);
    font-size: 14px;
    font-weight: 500;
    transition: all 0.15s;
    border-left: 3px solid transparent;
}

.sidebar-nav a:hover {
    background: var(--bg-sidebar-hover);
    color: #fff;
}

.sidebar-nav a.active {
    background: var(--bg-sidebar-active);
    color: var(--text-sidebar-active);
    border-left-color: var(--accent);
}

.sidebar-nav a svg {
    width: 18px;
    height: 18px;
    opacity: 0.7;
    flex-shrink: 0;
}

.sidebar-nav a.active svg { opacity: 1; }

.sidebar-section {
    font-size: 10px;
    font-weight: 700;
    color: rgba(255,255,255,0.25);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    padding: 20px 24px 6px;
}

.sidebar-footer {
    padding: 16px 24px;
    border-top: 1px solid rgba(255,255,255,0.08);
}

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

.sidebar-avatar {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: var(--primary-light);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 700;
    flex-shrink: 0;
}

.sidebar-user-info {
    flex: 1;
    min-width: 0;
}

.sidebar-user-name {
    font-size: 13px;
    font-weight: 600;
    color: #fff;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sidebar-user-role {
    font-size: 11px;
    color: var(--text-sidebar);
    opacity: 0.6;
}

.sidebar-logout {
    background: none;
    border: none;
    color: var(--text-sidebar);
    cursor: pointer;
    padding: 6px;
    opacity: 0.5;
    transition: opacity 0.2s;
}

.sidebar-logout:hover { opacity: 1; color: var(--danger); }

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

.topbar {
    height: var(--topbar-h);
    background: var(--bg-card);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    padding: 0 28px;
    gap: 16px;
    position: sticky;
    top: 0;
    z-index: 50;
}

.topbar-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--text);
    flex: 1;
}

.topbar-actions {
    display: flex;
    gap: 10px;
}

.page-content {
    padding: 28px;
}

/* ---- Cards ---- */
.card {
    background: var(--bg-card);
    border-radius: var(--radius);
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-sm);
}

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

.card-header h3 {
    font-size: 15px;
    font-weight: 600;
}

.card-body { padding: 20px; }

/* ---- Stats Grid ---- */
.stats-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-light);
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 16px;
    box-shadow: var(--shadow-sm);
    transition: box-shadow 0.2s;
}

.stat-card:hover { box-shadow: var(--shadow); }

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.stat-icon svg { width: 22px; height: 22px; }

.stat-icon.blue { background: rgba(52,152,219,0.12); color: var(--info); }
.stat-icon.green { background: rgba(39,174,96,0.12); color: var(--success); }
.stat-icon.orange { background: rgba(243,156,18,0.12); color: var(--warning); }
.stat-icon.purple { background: rgba(142,68,173,0.12); color: #8e44ad; }

.stat-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--text);
    line-height: 1;
}

.stat-label {
    font-size: 12px;
    color: var(--text-light);
    margin-top: 4px;
}

/* ---- Hide number input spinners ---- */
input[type=number]::-webkit-inner-spin-button,
input[type=number]::-webkit-outer-spin-button { -webkit-appearance: none; margin: 0; }
input[type=number] { -moz-appearance: textfield; }

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

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

table th {
    font-size: 11px;
    font-weight: 700;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    text-align: left;
    padding: 10px 16px;
    border-bottom: 2px solid var(--border);
}

table td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-light);
    font-size: 13px;
}

table tr:hover td { background: rgba(0,0,0,0.015); }

/* Status badges */
.badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.badge-draft { background: #eee; color: #666; }
.badge-sent { background: rgba(52,152,219,0.12); color: var(--info); }
.badge-approved { background: rgba(39,174,96,0.12); color: var(--success); }
.badge-rejected { background: rgba(231,76,60,0.12); color: var(--danger); }

/* ---- Quick Actions ---- */
.quick-actions {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 12px;
}

.quick-action {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    padding: 24px 16px;
    background: var(--bg-card);
    border: 1.5px solid var(--border);
    border-radius: var(--radius);
    cursor: pointer;
    transition: all 0.2s;
    text-align: center;
}

.quick-action:hover {
    border-color: var(--primary-light);
    box-shadow: var(--shadow);
    transform: translateY(-2px);
}

.quick-action svg {
    width: 32px;
    height: 32px;
    color: var(--primary);
}

.quick-action span {
    font-size: 13px;
    font-weight: 600;
    color: var(--text);
}

/* ---- Empty state ---- */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-light);
}

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

.empty-state h3 {
    font-size: 16px;
    margin-bottom: 8px;
    color: var(--text);
}

/* ---- Modal ---- */
.modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 200;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.2s;
}

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

.modal {
    background: var(--bg-card);
    border-radius: var(--radius);
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
    transform: scale(0.95);
    transition: transform 0.2s;
}

.modal-backdrop.show .modal { transform: scale(1); }

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

.modal-header h3 { font-size: 16px; font-weight: 700; }

.modal-close {
    background: none;
    border: none;
    font-size: 20px;
    cursor: pointer;
    color: var(--text-light);
    padding: 4px;
}

.modal-body { padding: 24px; }

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

/* ---- Responsive ---- */
@media (max-width: 768px) {
    .sidebar { transform: translateX(-100%); }
    .sidebar.open { transform: translateX(0); }
    .main-content { margin-left: 0; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .page-content { padding: 16px; }
    .topbar { padding: 0 16px; }
}

/* ---- Loading spinner ---- */
.spinner {
    width: 24px; height: 24px;
    border: 3px solid var(--border);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
    margin: 40px auto;
}

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

/* ---- Toast notifications ---- */
.toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 300;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.toast {
    padding: 12px 20px;
    border-radius: var(--radius-sm);
    color: #fff;
    font-size: 13px;
    font-weight: 500;
    box-shadow: var(--shadow-lg);
    animation: toastIn 0.3s;
    max-width: 360px;
}

.toast-success { background: var(--success); }
.toast-error { background: var(--danger); }
.toast-info { background: var(--info); }

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

/* ---- Page transitions ---- */
.page-view {
    animation: fadeIn 0.2s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ---- Topbar search & select ---- */
.topbar-search {
    padding: 6px 12px;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 13px;
    width: 180px;
    background: var(--bg);
    transition: border-color 0.2s;
}
.topbar-search:focus { outline: none; border-color: var(--primary-light); }

.topbar-select {
    padding: 6px 12px;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 13px;
    background: var(--bg);
}

/* ---- Library Grid ---- */
.lib-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 16px;
}

.lib-card {
    background: var(--bg-card);
    border: 1.5px solid var(--border-light);
    border-radius: var(--radius);
    overflow: hidden;
    cursor: pointer;
    transition: all 0.2s;
    box-shadow: var(--shadow-sm);
}

.lib-card:hover {
    border-color: var(--primary-light);
    box-shadow: var(--shadow);
    transform: translateY(-2px);
}

.lib-thumb {
    height: 140px;
    background: #f8f9fa;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    border-bottom: 1px solid var(--border-light);
}

.lib-thumb img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.lib-thumb-empty { color: #ddd; }
.lib-thumb-empty svg { width: 48px; height: 48px; }

.lib-info {
    padding: 12px;
}

.lib-name {
    font-size: 13px;
    font-weight: 600;
    color: var(--text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.lib-dims {
    font-size: 11px;
    color: var(--text-light);
    margin-top: 2px;
}

.lib-date {
    font-size: 11px;
    color: var(--text-light);
    margin-top: 2px;
}

.lib-actions {
    padding: 0 12px 12px;
    display: flex;
    gap: 6px;
}

/* ---- Config Save Bar (overlay on configurator) ---- */
.config-save-bar {
    position: fixed;
    bottom: 16px;
    right: 16px;
    z-index: 140;
    display: flex;
    gap: 8px;
}

/* ---- Line Picker (in add line modal) ---- */
.line-picker {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 10px;
}

.line-pick-card {
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    overflow: hidden;
    transition: all 0.15s;
}

.line-pick-card:hover {
    border-color: var(--primary-light);
    box-shadow: var(--shadow);
}

.line-pick-thumb {
    height: 80px;
    background: #f8f9fa;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.line-pick-thumb img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.line-pick-info {
    padding: 8px;
    font-size: 12px;
}

/* ---- Clickable table rows ---- */
.clickable-row { cursor: pointer; }
.clickable-row:hover td { background: rgba(26,82,118,0.04); }

/* ---- Configurator embed ---- */
.configurator-frame {
    width: 100%;
    height: calc(100vh - var(--topbar-h));
    border: none;
}

.configurator-frame.fullscreen {
    height: 100vh;
}

/* ---- Sidebar toggle button ---- */
.sidebar-toggle {
    display: none;
    position: fixed;
    top: 12px;
    left: 140px;
    z-index: 150;
    width: 40px;
    height: 40px;
    border: none;
    border-radius: 8px;
    background: var(--bg-sidebar);
    color: #fff;
    cursor: pointer;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    transition: background 0.2s, transform 0.2s;
}

.sidebar-toggle:hover {
    background: var(--primary-light);
    transform: scale(1.05);
}

.sidebar-toggle svg { width: 20px; height: 20px; }

.sidebar-toggle.visible { display: flex; }

/* ---- Sidebar overlay (dark backdrop) ---- */
.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 90;
    backdrop-filter: blur(2px);
}

/* ---- Collapsed sidebar mode (configurator) ---- */
.app-layout.sidebar-collapsed .sidebar {
    transform: translateX(-100%);
}

.app-layout.sidebar-collapsed .main-content {
    margin-left: 0;
}

/* Open sidebar as overlay */
.app-layout.sidebar-collapsed.sidebar-open .sidebar {
    transform: translateX(0);
    box-shadow: 4px 0 24px rgba(0,0,0,0.3);
}

.app-layout.sidebar-collapsed.sidebar-open .sidebar-overlay {
    display: block;
}

.app-layout.sidebar-collapsed.sidebar-open .sidebar-toggle {
    display: none;
}