/* ==========================================================================
   Imperial ERP / iInventory Design System (Figma Prototype Theme)
   ========================================================================== */

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

:root {
    /* Color Palette */
    --rail-bg: #0B1426;
    --rail-header-bg: #081020;
    --rail-hover: rgba(255, 255, 255, 0.08);
    --rail-active-bg: #2B54C6;
    --rail-active-text: #FFFFFF;
    --rail-text: #94A3B8;
    --rail-width: 72px;

    --sidebar-bg: #F8FAFC;
    --sidebar-border: #E2E8F0;
    --sidebar-width: 230px;

    --primary-color: #2B54C6;
    --primary-hover: #1E3EA1;
    --primary-light: #E0EAFF;
    --primary-text: #1E429F;

    --accent-color: #2B54C6;
    --accent-hover: #1E3EA1;

    --bg-color: #F4F6F9;
    --card-bg: #FFFFFF;
    
    --text-color: #0F172A;
    --text-body: #334155;
    --text-muted: #64748B;
    --text-subtle: #94A3B8;
    --text-light: #FFFFFF;

    --border-color: #E2E8F0;
    --border-light: #F1F5F9;
    --border-focus: #2B54C6;

    /* Status Colors */
    --success-color: #16A34A;
    --success-bg: #DEF7EC;
    --success-text: #03543F;

    --warning-color: #D97706;
    --warning-bg: #FEF08A;
    --warning-text: #713F12;

    --danger-color: #DC2626;
    --danger-bg: #FDE8E8;
    --danger-text: #9B1C1C;

    --info-color: #2B54C6;
    --info-bg: #E1EFFE;
    --info-text: #1E429F;

    --neutral-bg: #E2E8F0;
    --neutral-text: #475569;

    /* Geometry & Sizing */
    --header-height: 56px;
    --footer-height: 32px;

    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --border-radius-xs: 4px;
    --border-radius-sm: 6px;
    --border-radius-md: 8px;
    --border-radius-lg: 12px;
    --border-radius-xl: 16px;

    --shadow-xs: 0 1px 2px rgba(15, 23, 42, 0.04);
    --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.06), 0 1px 2px rgba(15, 23, 42, 0.04);
    --shadow-md: 0 4px 6px -1px rgba(15, 23, 42, 0.06), 0 2px 4px -2px rgba(15, 23, 42, 0.04);
    --shadow-lg: 0 10px 15px -3px rgba(15, 23, 42, 0.08), 0 4px 6px -4px rgba(15, 23, 42, 0.03);

    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 20px;
    --spacing-xl: 28px;
}

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

body {
    font-family: var(--font-family);
    background-color: var(--bg-color);
    color: var(--text-body);
    font-size: 13.5px;
    line-height: 1.5;
    height: 100vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.15s ease;
}
a:hover {
    color: var(--primary-hover);
    text-decoration: none;
}

/* ==========================================================================
   Full Viewport Grid Layout (Dual Navigation Rail)
   ========================================================================== */
.app-container {
    display: grid;
    grid-template-columns: var(--rail-width) var(--sidebar-width) 1fr;
    grid-template-rows: var(--header-height) 1fr var(--footer-height);
    grid-template-areas:
        "rail sidebar header"
        "rail sidebar main"
        "rail sidebar footer";
    height: 100vh;
    width: 100vw;
    overflow: hidden;
}

/* 1. Left Dark Rail (72px) */
.nav-rail {
    grid-area: rail;
    background-color: var(--rail-bg);
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 12px 0 16px 0;
    z-index: 30;
    border-right: 1px solid rgba(255, 255, 255, 0.06);
    user-select: none;
}

.rail-logo-container {
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.rail-logo-badge {
    width: 44px;
    height: 44px;
    background: #FFFFFF;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
    overflow: hidden;
    padding: 2px;
}

.rail-nav {
    display: flex;
    flex-direction: column;
    gap: 8px;
    width: 100%;
    align-items: center;
    list-style: none;
    flex: 1;
}

.rail-item {
    width: 58px;
    height: 52px;
    border-radius: var(--border-radius-md);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 3px;
    color: var(--rail-text);
    text-decoration: none;
    transition: all 0.15s ease;
    font-size: 10px;
    font-weight: 500;
    cursor: pointer;
}

.rail-item svg {
    width: 19px;
    height: 19px;
    stroke-width: 2;
    transition: transform 0.15s ease;
}

.rail-item:hover {
    background-color: var(--rail-hover);
    color: #FFFFFF;
}

.rail-item.active {
    background-color: var(--rail-active-bg);
    color: var(--rail-active-text);
    box-shadow: 0 4px 10px rgba(43, 84, 198, 0.35);
}

.rail-item.active svg {
    stroke: #FFFFFF;
}

/* 2. Sub-Sidebar Panel (230px) */
.sub-sidebar {
    grid-area: sidebar;
    background-color: var(--sidebar-bg);
    border-right: 1px solid var(--sidebar-border);
    display: flex;
    flex-direction: column;
    z-index: 20;
    overflow-y: auto;
    user-select: none;
}

.sub-sidebar-header {
    padding: 16px 16px 12px 16px;
    border-bottom: 1px solid transparent;
}

.sub-sidebar-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-color);
    letter-spacing: -0.01em;
}

.sub-sidebar-desc {
    font-size: 11.5px;
    color: var(--text-muted);
    margin-top: 2px;
    margin-bottom: 14px;
}

.sub-sidebar-cta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    background-color: var(--primary-color);
    color: #FFFFFF !important;
    font-weight: 600;
    font-size: 13px;
    padding: 8px 12px;
    border-radius: var(--border-radius-md);
    box-shadow: 0 1px 3px rgba(43, 84, 198, 0.3);
    transition: all 0.15s ease;
    width: 100%;
}
.sub-sidebar-cta:hover {
    background-color: var(--primary-hover);
    box-shadow: 0 2px 6px rgba(43, 84, 198, 0.4);
}

.sub-sidebar-content {
    flex: 1;
    padding: 12px 10px 20px 10px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.nav-group {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.nav-group-title {
    font-size: 10.5px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-muted);
    padding: 4px 10px;
    margin-bottom: 2px;
}

.nav-link-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 7px 10px;
    border-radius: var(--border-radius-md);
    color: #334155;
    font-size: 13px;
    font-weight: 500;
    transition: all 0.15s ease;
    text-decoration: none;
}

.nav-link-item:hover {
    background-color: #EDF2F7;
    color: var(--text-color);
    text-decoration: none;
}

.nav-link-item.active {
    background-color: var(--primary-light);
    color: var(--primary-color);
    font-weight: 600;
}

.nav-link-left {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-badge {
    background-color: var(--neutral-bg);
    color: var(--neutral-text);
    font-size: 11px;
    font-weight: 600;
    padding: 1px 6px;
    border-radius: 9999px;
    min-width: 18px;
    text-align: center;
}

.nav-link-item.active .nav-badge {
    background-color: #BFDBFE;
    color: var(--primary-color);
}

/* ==========================================================================
   Header Bar
   ========================================================================== */
.header {
    grid-area: header;
    background-color: #FFFFFF;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    z-index: 10;
}

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

.breadcrumb-trail {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
}

.breadcrumb-root {
    color: var(--text-muted);
    font-weight: 500;
}

.breadcrumb-separator {
    color: #CBD5E1;
    font-size: 12px;
}

.breadcrumb-current {
    color: var(--text-color);
    font-weight: 600;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-color);
    font-size: 1.25rem;
    cursor: pointer;
    padding: 4px;
}

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

.quick-search {
    position: relative;
    display: flex;
    align-items: center;
}

.quick-search-input {
    background-color: #F1F5F9;
    border: 1px solid transparent;
    border-radius: var(--border-radius-md);
    padding: 6px 60px 6px 32px;
    font-size: 12.5px;
    color: var(--text-color);
    outline: none;
    width: 240px;
    transition: all 0.15s ease;
}

.quick-search-input:focus {
    background-color: #FFFFFF;
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px rgba(43, 84, 198, 0.1);
    width: 280px;
}

.quick-search-icon {
    position: absolute;
    left: 9px;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    pointer-events: none;
}

.search-shortcut-pill {
    position: absolute;
    right: 8px;
    font-size: 10px;
    font-weight: 600;
    color: var(--text-muted);
    background: #E2E8F0;
    padding: 2px 5px;
    border-radius: 4px;
    pointer-events: none;
}

.branch-select-pill {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background: #FFFFFF;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    font-size: 12.5px;
    font-weight: 500;
    color: var(--text-color);
    cursor: pointer;
    transition: border-color 0.15s ease;
}
.branch-select-pill:hover {
    border-color: #CBD5E1;
}

.header-icon-btn {
    width: 34px;
    height: 34px;
    border-radius: var(--border-radius-md);
    border: 1px solid var(--border-color);
    background: #FFFFFF;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    cursor: pointer;
    transition: all 0.15s ease;
}
.header-icon-btn:hover {
    color: var(--text-color);
    border-color: #CBD5E1;
}

.user-profile {
    display: flex;
    align-items: center;
    gap: 8px;
    padding-left: 6px;
    border-left: 1px solid var(--border-color);
}

.user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background-color: #E0EAFF;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 12.5px;
}

.user-info {
    font-size: 12.5px;
    line-height: 1.2;
}

.user-name {
    font-weight: 600;
    color: var(--text-color);
}

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

/* ==========================================================================
   Main Content Area
   ========================================================================== */
.main-content {
    grid-area: main;
    overflow-y: auto;
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 20px;
    background-color: var(--bg-color);
}

/* Page Header */
.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 4px;
}

.page-title-wrap {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.page-title {
    font-size: 22px;
    font-weight: 700;
    color: var(--text-color);
    letter-spacing: -0.02em;
}

.page-subtitle {
    font-size: 12.5px;
    color: var(--text-muted);
}

.page-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

/* ==========================================================================
   KPI / Stat Cards (Figma Style)
   ========================================================================== */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
    gap: 16px;
}

.stat-card {
    background-color: var(--card-bg);
    border-radius: var(--border-radius-lg);
    padding: 16px 18px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-xs);
    display: flex;
    flex-direction: column;
    gap: 4px;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

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

.stat-title {
    font-size: 12.5px;
    color: var(--text-muted);
    font-weight: 500;
}

.stat-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-color);
    letter-spacing: -0.03em;
    line-height: 1.1;
    margin: 4px 0 2px 0;
}

.stat-subtext {
    font-size: 11.5px;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 4px;
}

.stat-subtext.success {
    color: var(--success-color);
    font-weight: 600;
}

.stat-subtext.danger {
    color: var(--danger-color);
    font-weight: 600;
}

.stat-subtext.warning {
    color: var(--warning-color);
    font-weight: 600;
}

/* ==========================================================================
   Panels & Cards
   ========================================================================== */
.panel {
    background-color: var(--card-bg);
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-xs);
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--border-light);
    padding-bottom: 12px;
}

.panel-title {
    font-size: 15px;
    font-weight: 700;
    color: var(--text-color);
    letter-spacing: -0.01em;
}

.panel-subtitle {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 1px;
}

/* ==========================================================================
   Dense Modern Tables (Figma Style)
   ========================================================================== */
.table-container {
    overflow-x: auto;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
}

table.dense-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

table.dense-table th {
    background-color: #F8FAFC;
    padding: 10px 14px;
    font-weight: 700;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border-color);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

table.dense-table td {
    padding: 12px 14px;
    border-bottom: 1px solid var(--border-light);
    font-size: 13px;
    color: var(--text-body);
    vertical-align: middle;
}

table.dense-table tbody tr:last-child td {
    border-bottom: none;
}

table.dense-table tr:hover td {
    background-color: #F8FAFC;
}

/* Avatar / Rank Badges in Tables */
.avatar-badge {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background-color: #E2E8F0;
    color: #334155;
    font-weight: 600;
    font-size: 11px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

/* Linear Progress Bar (Figma Style) */
.progress-bar-container {
    height: 6px;
    background-color: #E2E8F0;
    border-radius: 9999px;
    overflow: hidden;
    width: 100%;
}

.progress-bar-fill {
    height: 100%;
    border-radius: 9999px;
    transition: width 0.3s ease;
}

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

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 7px 14px;
    font-size: 13px;
    font-weight: 600;
    border-radius: var(--border-radius-md);
    border: 1px solid transparent;
    cursor: pointer;
    transition: all 0.15s ease;
    line-height: 1.4;
    text-decoration: none !important;
}

.btn-primary {
    background-color: var(--primary-color);
    color: #FFFFFF !important;
    box-shadow: 0 1px 2px rgba(43, 84, 198, 0.2);
}
.btn-primary:hover {
    background-color: var(--primary-hover);
    box-shadow: 0 2px 5px rgba(43, 84, 198, 0.3);
}

.btn-secondary {
    background-color: #FFFFFF;
    color: #1E293B !important;
    border: 1px solid #CBD5E1;
    box-shadow: var(--shadow-xs);
}
.btn-secondary:hover {
    background-color: #F8FAFC;
    border-color: #94A3B8;
}

.btn-danger {
    background-color: var(--danger-color);
    color: #FFFFFF !important;
}
.btn-danger:hover {
    background-color: #B91C1C;
}

.btn-accent {
    background-color: var(--primary-color);
    color: #FFFFFF !important;
}
.btn-accent:hover {
    background-color: var(--primary-hover);
}

.btn-sm {
    padding: 5px 10px;
    font-size: 12px;
}

.btn-group {
    display: flex;
    gap: 6px;
}

/* ==========================================================================
   Badges & Pills (Figma Colors)
   ========================================================================== */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 11.5px;
    font-weight: 600;
    text-transform: capitalize;
    line-height: 1.3;
}

.badge-info { background-color: var(--info-bg); color: var(--info-text); }
.badge-success { background-color: var(--success-bg); color: var(--success-text); }
.badge-warning { background-color: var(--warning-bg); color: var(--warning-text); }
.badge-danger { background-color: var(--danger-bg); color: var(--danger-text); }
.badge-neutral { background-color: var(--neutral-bg); color: var(--neutral-text); }

/* ==========================================================================
   Forms & Controls
   ========================================================================== */
.form-group {
    margin-bottom: 14px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.form-group label {
    font-weight: 600;
    font-size: 12.5px;
    color: var(--text-color);
}

.form-group label.required::after {
    content: " *";
    color: var(--danger-color);
}

.form-control {
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    font-size: 13px;
    outline: none;
    transition: all 0.15s ease;
    width: 100%;
    box-sizing: border-box;
    background-color: #FFFFFF;
    color: var(--text-color);
    font-family: var(--font-family);
}

input.form-control {
    height: 38px;
}

select.form-control {
    height: 38px;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2364748B' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 14px;
    padding-right: 32px;
}

textarea.form-control {
    height: auto;
    min-height: 80px;
}

.form-control:focus {
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px rgba(43, 84, 198, 0.12);
}

.filter-bar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px;
    background-color: #FFFFFF;
    padding: 14px 16px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-xs);
}

/* ==========================================================================
   Alerts
   ========================================================================== */
.alert {
    padding: 12px 16px;
    border-radius: var(--border-radius-md);
    font-size: 13px;
    border: 1px solid transparent;
    display: flex;
    align-items: center;
    gap: 8px;
}
.alert-success {
    background-color: var(--success-bg);
    border-color: #BCF0DA;
    color: var(--success-text);
}
.alert-danger {
    background-color: var(--danger-bg);
    border-color: #F8B4B4;
    color: var(--danger-text);
}
.alert-warning {
    background-color: var(--warning-bg);
    border-color: #FCE96A;
    color: var(--warning-text);
}

/* ==========================================================================
   Footer Status Bar
   ========================================================================== */
.footer {
    grid-area: footer;
    background-color: #FFFFFF;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    font-size: 11.5px;
    border-top: 1px solid var(--border-color);
}

.footer-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.footer-status-indicator {
    display: flex;
    align-items: center;
    gap: 6px;
}

.status-dot {
    width: 7px;
    height: 7px;
    background-color: var(--success-color);
    border-radius: 50%;
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */
@media (max-width: 992px) {
    .app-container {
        grid-template-columns: var(--rail-width) 1fr;
        grid-template-areas:
            "rail header"
            "rail main"
            "rail footer";
    }

    .sub-sidebar {
        display: none;
        position: fixed;
        left: var(--rail-width);
        top: 0;
        bottom: 0;
        z-index: 40;
        width: 240px;
        box-shadow: var(--shadow-lg);
    }

    .sub-sidebar.active {
        display: flex;
    }

    .menu-toggle {
        display: block;
    }
}

@media (max-width: 640px) {
    .app-container {
        grid-template-columns: 1fr;
        grid-template-areas:
            "header"
            "main"
            "footer";
    }

    .nav-rail {
        display: none;
    }

    .nav-rail.active {
        display: flex;
        position: fixed;
        left: 0;
        top: 0;
        bottom: 0;
        z-index: 50;
    }

    .sub-sidebar.active {
        left: var(--rail-width);
    }
}

.form-grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

@media (max-width: 640px) {
    .form-grid-2 {
        grid-template-columns: 1fr;
    }
}