/* Project Management System v2 - Shared Styles */
/* FLIQ Design Rules: Material Design, Roboto, #1976d2 */

:root {
    --primary-color: #1976d2;
    --primary-dark: #1565c0;
    --primary-light: #42a5f5;
    --accent-color: #ff4081;
    --warn-color: #f44336;
    --success-color: #4caf50;
    --warning-color: #ff9800;
    --info-color: #2196f3;
    --background-color: #fafafa;
    --surface-color: #ffffff;
    --text-primary: #212121;
    --text-secondary: #757575;
    --divider-color: #e0e0e0;

    --gradient: linear-gradient(135deg, #1e3a8a 0%, #1976d2 50%, #1565c0 100%);

    --font-family: 'Roboto', sans-serif;
    --font-weight-light: 300;
    --font-weight-regular: 400;
    --font-weight-medium: 500;
    --font-weight-bold: 700;

    --elevation-1: 0 1px 3px rgba(0,0,0,0.12), 0 1px 2px rgba(0,0,0,0.24);
    --elevation-2: 0 3px 6px rgba(0,0,0,0.16), 0 3px 6px rgba(0,0,0,0.23);
    --elevation-3: 0 10px 20px rgba(0,0,0,0.19), 0 6px 6px rgba(0,0,0,0.23);
    --elevation-4: 0 14px 28px rgba(0,0,0,0.25), 0 10px 10px rgba(0,0,0,0.22);

    --transition-standard: 280ms cubic-bezier(0.4, 0.0, 0.2, 1);
    --transition-fast: 150ms cubic-bezier(0.4, 0.0, 0.2, 1);

    --container-max-width: 1200px;
    --header-height: 80px;
    --grid-gap: 24px;
    --card-padding: 24px;
    --border-radius: 4px;
}

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

body {
    font-family: var(--font-family);
    font-weight: var(--font-weight-regular);
    background-color: var(--background-color);
    color: var(--text-primary);
    line-height: 1.5;
    overflow-x: hidden;
}

/* App Header */
.app-header {
    background: var(--surface-color);
    border-bottom: 2px solid var(--divider-color);
    height: var(--header-height);
    box-shadow: var(--elevation-1);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
}

.header-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 24px;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo-section {
    display: flex;
    align-items: center;
    gap: 16px;
}

/* Logo Upload Area */
.logo-upload-area {
    width: 160px;
    height: 48px;
    border: 2px dashed var(--divider-color);
    border-radius: var(--border-radius);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    color: var(--text-secondary);
    font-size: 13px;
    transition: var(--transition-fast);
    overflow: hidden;
    position: relative;
    background: var(--background-color);
}

.logo-upload-area:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    background: rgba(25, 118, 210, 0.04);
}

.logo-upload-area.has-logo {
    border: none;
    background: transparent;
}

.logo-upload-area.has-logo:hover::after {
    content: 'Change logo';
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.5);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 600;
}

.company-logo {
    max-height: 44px;
    max-width: 150px;
    object-fit: contain;
}

.header-actions {
    display: flex;
    gap: 12px;
    align-items: center;
}

.language-switcher {
    display: flex;
    gap: 4px;
    margin-right: 8px;
}

.lang-btn {
    background: transparent;
    border: 1px solid var(--divider-color);
    color: var(--text-secondary);
    padding: 5px 10px;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition-fast);
    font-size: 12px;
    font-weight: var(--font-weight-medium);
    font-family: var(--font-family);
}

.lang-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

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

/* Navigation */
.main-nav {
    background: var(--surface-color);
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    z-index: 999;
    border-bottom: 1px solid var(--divider-color);
}

.nav-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 24px;
}

.nav-tabs {
    display: flex;
    gap: 0;
    overflow-x: auto;
}

.nav-tab {
    padding: 14px 20px;
    background: none;
    border: none;
    color: var(--text-secondary);
    font-weight: var(--font-weight-medium);
    font-family: var(--font-family);
    font-size: 14px;
    cursor: pointer;
    transition: var(--transition-standard);
    border-bottom: 3px solid transparent;
    white-space: nowrap;
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-tab:hover {
    color: var(--primary-color);
    background: rgba(25, 118, 210, 0.04);
}

.nav-tab.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

/* Main Content */
.main-container {
    margin-top: calc(var(--header-height) + 52px);
    max-width: var(--container-max-width);
    margin-left: auto;
    margin-right: auto;
    padding: 24px;
    min-height: calc(100vh - var(--header-height) - 52px);
}

/* Cards */
.card {
    background: var(--surface-color);
    border-radius: var(--border-radius);
    box-shadow: var(--elevation-1);
    transition: var(--transition-standard);
    overflow: hidden;
}

.card:hover {
    box-shadow: var(--elevation-2);
}

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

.card-title {
    font-size: 18px;
    font-weight: var(--font-weight-medium);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 10px;
}

.card-content {
    padding: var(--card-padding);
}

.card-actions {
    padding: 16px var(--card-padding);
    border-top: 1px solid var(--divider-color);
    display: flex;
    gap: 12px;
    justify-content: flex-end;
}

/* KPI Cards - left-aligned with left border accent */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--grid-gap);
    margin-bottom: 32px;
}

.kpi-card {
    background: var(--surface-color);
    border-radius: var(--border-radius);
    box-shadow: var(--elevation-1);
    padding: 20px 20px 20px 24px;
    border-left: 4px solid var(--primary-color);
    display: flex;
    flex-direction: column;
    transition: var(--transition-standard);
}

.kpi-card:hover {
    box-shadow: var(--elevation-2);
    transform: translateY(-1px);
}

.kpi-card-inner {
    display: flex;
    align-items: center;
    gap: 16px;
}

.kpi-icon {
    width: 48px;
    height: 48px;
    background: rgba(25, 118, 210, 0.1);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    flex-shrink: 0;
}

.kpi-data {
    flex: 1;
}

.kpi-value {
    font-size: 28px;
    font-weight: var(--font-weight-bold);
    color: var(--text-primary);
    line-height: 1.1;
    margin-bottom: 4px;
}

.kpi-label {
    font-size: 13px;
    color: var(--text-secondary);
    font-weight: var(--font-weight-regular);
}

.kpi-change {
    font-size: 12px;
    margin-top: 12px;
    display: flex;
    align-items: center;
    gap: 4px;
}

.kpi-change.positive { color: var(--success-color); }
.kpi-change.negative { color: var(--warn-color); }

/* Buttons */
.btn {
    padding: 9px 20px;
    border: none;
    border-radius: var(--border-radius);
    font-weight: var(--font-weight-medium);
    font-family: var(--font-family);
    font-size: 14px;
    cursor: pointer;
    transition: var(--transition-standard);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    line-height: 1;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    box-shadow: var(--elevation-1);
}

.btn-secondary {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-secondary:hover {
    background: rgba(25, 118, 210, 0.06);
}

.btn-success {
    background: var(--success-color);
    color: white;
}

.btn-success:hover {
    background: #388e3c;
}

.btn-warning {
    background: var(--warning-color);
    color: white;
}

.btn-warning:hover {
    background: #e65100;
}

.btn-danger {
    background: var(--warn-color);
    color: white;
}

.btn-danger:hover {
    background: #c62828;
}

/* Status Chips / Badges */
.chip {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 4px 10px;
    border-radius: var(--border-radius);
    font-size: 11px;
    font-weight: var(--font-weight-medium);
    text-transform: uppercase;
    letter-spacing: 0.4px;
}

.chip-success {
    background: rgba(67, 160, 71, 0.12);
    color: #2e7d32;
}

.chip-warning {
    background: rgba(251, 140, 0, 0.12);
    color: #e65100;
}

.chip-error {
    background: rgba(229, 57, 53, 0.12);
    color: #c62828;
}

.chip-info {
    background: rgba(25, 118, 210, 0.12);
    color: #1565c0;
}

.chip-primary {
    background: rgba(25, 118, 210, 0.12);
    color: var(--primary-dark);
}

/* Tables */
.data-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--surface-color);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--elevation-1);
}

.data-table th {
    background: var(--background-color);
    padding: 13px 16px;
    text-align: left;
    font-weight: var(--font-weight-medium);
    font-size: 13px;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--divider-color);
}

.data-table td {
    padding: 14px 16px;
    border-bottom: 1px solid var(--divider-color);
    font-size: 14px;
    color: var(--text-primary);
}

.data-table tr:hover td {
    background: rgba(25, 118, 210, 0.03);
}

/* Form Elements */
.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    margin-bottom: 6px;
    font-weight: var(--font-weight-medium);
    font-size: 14px;
    color: var(--text-primary);
}

.form-input {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--divider-color);
    border-radius: var(--border-radius);
    font-size: 14px;
    font-family: var(--font-family);
    transition: var(--transition-fast);
    background: var(--surface-color);
    color: var(--text-primary);
}

.form-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(25, 118, 210, 0.15);
}

.form-select {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--divider-color);
    border-radius: var(--border-radius);
    font-size: 14px;
    font-family: var(--font-family);
    background: var(--surface-color);
    cursor: pointer;
    color: var(--text-primary);
    transition: var(--transition-fast);
}

.form-select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(25, 118, 210, 0.15);
}

/* Progress Bars */
.progress-bar {
    width: 100%;
    height: 6px;
    background: var(--divider-color);
    border-radius: var(--border-radius);
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: var(--primary-color);
    border-radius: var(--border-radius);
    transition: var(--transition-standard);
}

.progress-fill.success { background: var(--success-color); }
.progress-fill.warning { background: var(--warning-color); }
.progress-fill.danger { background: var(--warn-color); }

/* Grid System */
.grid {
    display: grid;
    gap: var(--grid-gap);
}

.grid-2 {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-3 {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.grid-4 {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

/* Responsive Design */
@media (max-width: 768px) {
    .header-container {
        padding: 0 16px;
    }

    .main-container {
        padding: 16px;
    }

    .nav-tabs {
        padding: 0 8px;
    }

    .kpi-grid {
        grid-template-columns: 1fr 1fr;
    }

    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .kpi-grid {
        grid-template-columns: 1fr;
    }
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(16px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.4s ease-out;
}

/* Utility Classes */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-left { text-align: left; }
.text-secondary { color: var(--text-secondary); font-size: 14px; }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.mb-4 { margin-bottom: 32px; }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 32px; }

.hidden { display: none; }
.visible { display: block; }

/* Loading States */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

.spinner {
    width: 22px;
    height: 22px;
    border: 2px solid var(--divider-color);
    border-top: 2px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Action Buttons (icon-only) */
.action-btn {
    padding: 5px;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-secondary);
    border-radius: var(--border-radius);
    transition: var(--transition-fast);
    display: inline-flex;
    align-items: center;
}

.action-btn:hover {
    background: rgba(0, 0, 0, 0.05);
    color: var(--primary-color);
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.45);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
}

.modal-content {
    background: var(--surface-color);
    border-radius: var(--border-radius);
    box-shadow: var(--elevation-4);
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
}

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

.modal-header h3 {
    font-size: 18px;
    font-weight: var(--font-weight-medium);
    color: var(--text-primary);
}

.modal-body {
    padding: 24px;
}

.modal-actions {
    padding: 14px 24px;
    border-top: 1px solid var(--divider-color);
    display: flex;
    gap: 12px;
    justify-content: flex-end;
}

.modal-close {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-secondary);
    padding: 4px;
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
}

.modal-close:hover {
    background: rgba(0, 0, 0, 0.06);
    color: var(--text-primary);
}

/* Section headers */
.section-header {
    padding: 18px 24px;
    border-bottom: 1px solid var(--divider-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.section-title {
    font-size: 16px;
    font-weight: var(--font-weight-medium);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 10px;
}

/* Filter chips */
.filter-chip {
    padding: 6px 14px;
    border: 1px solid var(--divider-color);
    border-radius: var(--border-radius);
    background: var(--surface-color);
    cursor: pointer;
    transition: var(--transition-fast);
    font-size: 13px;
    font-weight: var(--font-weight-medium);
    font-family: var(--font-family);
    color: var(--text-secondary);
}

.filter-chip:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    background: rgba(25, 118, 210, 0.04);
}

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

/* Toggle switch */
.toggle-switch {
    position: relative;
    width: 44px;
    height: 22px;
    background: var(--divider-color);
    border-radius: 11px;
    cursor: pointer;
    transition: var(--transition-standard);
}

.toggle-switch.active {
    background: var(--primary-color);
}

.toggle-switch::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    width: 18px;
    height: 18px;
    background: white;
    border-radius: 50%;
    transition: var(--transition-standard);
    box-shadow: 0 1px 3px rgba(0,0,0,0.2);
}

.toggle-switch.active::after {
    transform: translateX(22px);
}

/* Search input */
.search-container {
    position: relative;
}

.search-input {
    width: 100%;
    padding: 9px 14px 9px 40px;
    border: 1px solid var(--divider-color);
    border-radius: var(--border-radius);
    font-size: 14px;
    font-family: var(--font-family);
    background: var(--surface-color);
    color: var(--text-primary);
    transition: var(--transition-fast);
}

.search-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(25, 118, 210, 0.15);
}

.search-icon {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
    font-size: 20px;
}

/* ── Aliases for alternate page structure ── */

.main-content {
    margin-top: calc(var(--header-height) + 52px);
    max-width: var(--container-max-width);
    margin-left: auto;
    margin-right: auto;
    padding: 24px;
    min-height: calc(100vh - var(--header-height) - 52px);
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 28px;
    flex-wrap: wrap;
    gap: 16px;
}

.page-title {
    font-size: 22px;
    font-weight: var(--font-weight-bold);
    color: var(--text-primary);
    margin-bottom: 4px;
}

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

/* KPI card icon+body row variant */
.kpi-icon {
    width: 44px;
    height: 44px;
    background: rgba(25, 118, 210, 0.1);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    flex-shrink: 0;
}

.kpi-icon .material-icons { font-size: 22px; }

.kpi-body { flex: 1; }

.kpi-delta {
    font-size: 11px;
    margin-top: 5px;
    display: flex;
    align-items: center;
    gap: 2px;
    color: var(--text-secondary);
}

.kpi-delta .material-icons { font-size: 13px; }
.kpi-delta-up { color: var(--success-color); }
.kpi-delta-down { color: var(--warn-color); }

.kpi-card:has(.kpi-icon) {
    flex-direction: row;
    align-items: flex-start;
    gap: 14px;
}

/* Badge — alias for chip */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 3px 9px;
    border-radius: var(--border-radius);
    font-size: 11px;
    font-weight: var(--font-weight-medium);
    text-transform: uppercase;
    letter-spacing: 0.4px;
}

.badge-success { background: rgba(76,175,80,0.12);  color: #2e7d32; }
.badge-warning { background: rgba(255,152,0,0.12);  color: #e65100; }
.badge-error   { background: rgba(244,67,54,0.12);  color: #c62828; }
.badge-info    { background: rgba(25,118,210,0.12); color: var(--primary-dark); }
.badge-primary { background: rgba(25,118,210,0.12); color: var(--primary-dark); }

/* Modal footer = modal-actions */
.modal-footer {
    padding: 14px 24px;
    border-top: 1px solid var(--divider-color);
    display: flex;
    gap: 12px;
    justify-content: flex-end;
}

.modal-title {
    font-size: 18px;
    font-weight: var(--font-weight-medium);
    color: var(--text-primary);
}

/* Nav embedded inside header (alternate layout) */
.app-header .main-nav {
    position: static;
    border-bottom: none;
    background: transparent;
    flex: 1;
    display: flex;
    justify-content: center;
}

.app-header .main-nav .nav-tab {
    text-decoration: none;
    padding: 10px 14px;
    font-size: 13px;
}