/* FILE: assets/css/style.css */
/* PROJECT: Inventory Management System - IMS */

/* ===============================
   ROOT VARIABLES
================================ */

:root {
    --ims-bg: #f4f6f9;
    --ims-card-bg: #ffffff;
    --ims-sidebar-bg: #111827;
    --ims-sidebar-bg-soft: #1f2937;
    --ims-sidebar-text: #d1d5db;
    --ims-sidebar-muted: #9ca3af;
    --ims-sidebar-active: #2563eb;
    --ims-primary: #2563eb;
    --ims-success: #16a34a;
    --ims-warning: #f59e0b;
    --ims-danger: #dc2626;
    --ims-dark: #111827;
    --ims-muted: #6b7280;
    --ims-border: #e5e7eb;
    --ims-radius: 14px;
    --ims-shadow: 0 8px 24px rgba(15, 23, 42, 0.08);
    --ims-sidebar-width: 280px;
}

/* ===============================
   GLOBAL
================================ */

* {
    box-sizing: border-box;
}

html,
body {
    min-height: 100%;
}

body {
    margin: 0;
    background: var(--ims-bg);
    font-family: Arial, Helvetica, sans-serif;
    font-size: 14px;
    color: #1f2937;
}

a {
    text-decoration: none;
}

pre {
    font-family: Consolas, Monaco, monospace;
}

.nowrap {
    white-space: nowrap;
}

.text-muted {
    color: var(--ims-muted) !important;
}

.scroll-table {
    max-height: 70vh;
    overflow: auto;
}

.table-sticky-header thead th {
    position: sticky;
    top: 0;
    z-index: 3;
    background: #f8fafc;
    border-bottom: 1px solid var(--ims-border);
}

.table th {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.02em;
    color: #4b5563;
    vertical-align: middle;
}

.table td {
    vertical-align: middle;
}

.card {
    border: 0;
    border-radius: var(--ims-radius);
    box-shadow: var(--ims-shadow);
}

.card-header {
    background: #ffffff;
    border-bottom: 1px solid var(--ims-border);
    font-weight: 700;
    border-radius: var(--ims-radius) var(--ims-radius) 0 0 !important;
}

/* ===============================
   LOGIN PAGE
================================ */

.login-page {
    min-height: 100vh;
    background:
        radial-gradient(circle at top left, rgba(37, 99, 235, 0.22), transparent 36%),
        radial-gradient(circle at bottom right, rgba(22, 163, 74, 0.20), transparent 34%),
        #0f172a;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.login-card {
    width: 100%;
    max-width: 420px;
    background: #ffffff;
    border-radius: 20px;
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.30);
    overflow: hidden;
}

.login-header {
    padding: 28px 28px 18px 28px;
    text-align: center;
}

.login-logo {
    width: 64px;
    height: 64px;
    margin: 0 auto 14px auto;
    border-radius: 18px;
    background: var(--ims-primary);
    color: #ffffff;
    font-weight: 800;
    font-size: 22px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-title {
    font-size: 24px;
    font-weight: 800;
    margin-bottom: 4px;
}

.login-subtitle {
    color: var(--ims-muted);
    font-size: 13px;
}

.login-body {
    padding: 0 28px 28px 28px;
}

.login-footer {
    padding: 14px 28px;
    background: #f8fafc;
    border-top: 1px solid var(--ims-border);
    text-align: center;
    color: var(--ims-muted);
    font-size: 12px;
}

/* ===============================
   MAIN LAYOUT
================================ */

.ims-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: stretch;
}

.ims-sidebar {
    width: var(--ims-sidebar-width);
    background: var(--ims-sidebar-bg);
    color: var(--ims-sidebar-text);
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    box-shadow: 8px 0 24px rgba(15, 23, 42, 0.18);
}

.ims-main {
    margin-left: var(--ims-sidebar-width);
    width: calc(100% - var(--ims-sidebar-width));
    min-height: 100vh;
    padding: 24px;
}

/* ===============================
   SIDEBAR
================================ */

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 20px 18px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    flex-shrink: 0;
}

.sidebar-brand-icon {
    width: 44px;
    height: 44px;
    border-radius: 14px;
    background: var(--ims-primary);
    color: #ffffff;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
}

.sidebar-brand-title {
    color: #ffffff;
    font-size: 18px;
    font-weight: 800;
    line-height: 1.1;
}

.sidebar-brand-subtitle {
    color: var(--ims-sidebar-muted);
    font-size: 12px;
    margin-top: 3px;
}

.sidebar-user {
    padding: 14px 18px;
    background: rgba(255, 255, 255, 0.04);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    flex-shrink: 0;
}

.sidebar-user-name {
    color: #ffffff;
    font-weight: 700;
    font-size: 14px;
}

.sidebar-user-role {
    color: var(--ims-sidebar-muted);
    font-size: 12px;
    margin-top: 2px;
}

.sidebar-nav {
    padding: 14px 12px 24px 12px;
    overflow-y: auto;
    overflow-x: hidden;
    flex: 1;
}

.sidebar-nav::-webkit-scrollbar {
    width: 7px;
}

.sidebar-nav::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.04);
}

.sidebar-nav::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.18);
    border-radius: 999px;
}

.sidebar-section {
    margin-bottom: 16px;
}

.sidebar-section-title {
    color: var(--ims-sidebar-muted);
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 0 10px;
    margin-bottom: 7px;
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--ims-sidebar-text);
    padding: 10px 11px;
    border-radius: 11px;
    margin-bottom: 4px;
    transition: all 0.18s ease;
    font-size: 14px;
    line-height: 1.2;
}

.sidebar-link:hover {
    background: rgba(255, 255, 255, 0.08);
    color: #ffffff;
}

.sidebar-link.active {
    background: var(--ims-sidebar-active);
    color: #ffffff;
    box-shadow: 0 10px 22px rgba(37, 99, 235, 0.28);
}

.sidebar-link-icon {
    width: 22px;
    min-width: 22px;
    text-align: center;
    font-size: 15px;
}

.sidebar-link-danger {
    color: #fecaca;
}

.sidebar-link-danger:hover {
    background: rgba(220, 38, 38, 0.18);
    color: #ffffff;
}

/* ===============================
   TOPBAR / PAGE HEADER
================================ */

.topbar {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 18px;
    margin-bottom: 20px;
}

.page-title {
    margin: 0;
    font-size: 26px;
    font-weight: 800;
    color: var(--ims-dark);
}

.page-subtitle {
    color: var(--ims-muted);
    margin-top: 4px;
    font-size: 14px;
}

/* ===============================
   METRIC CARDS
================================ */

.metric-card {
    border-left: 5px solid var(--ims-primary);
}

.metric-card.primary {
    border-left-color: var(--ims-primary);
}

.metric-card.success {
    border-left-color: var(--ims-success);
}

.metric-card.warning {
    border-left-color: var(--ims-warning);
}

.metric-card.danger {
    border-left-color: var(--ims-danger);
}

.metric-label {
    color: var(--ims-muted);
    font-size: 12px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 8px;
}

.metric-value {
    color: var(--ims-dark);
    font-size: 24px;
    font-weight: 800;
    line-height: 1.1;
    word-break: break-word;
}

.metric-note {
    color: var(--ims-muted);
    font-size: 12px;
    margin-top: 8px;
}

/* ===============================
   FORMS / BUTTONS
================================ */

.form-label {
    font-weight: 700;
    color: #374151;
    font-size: 13px;
}

.form-control,
.form-select {
    border-radius: 10px;
    border-color: #d1d5db;
}

.form-control:focus,
.form-select:focus {
    border-color: var(--ims-primary);
    box-shadow: 0 0 0 0.2rem rgba(37, 99, 235, 0.12);
}

.btn {
    border-radius: 10px;
    font-weight: 700;
}

.btn-sm {
    border-radius: 9px;
}

/* ===============================
   STATUS UTILITIES
================================ */

.status-normal {
    color: var(--ims-success);
    font-weight: 700;
}

.status-shortage {
    color: var(--ims-danger);
    font-weight: 700;
}

.status-no-stock {
    color: #111827;
    font-weight: 700;
}

.status-overstock {
    color: var(--ims-warning);
    font-weight: 700;
}

.status-mismatch {
    color: var(--ims-muted);
    font-weight: 700;
}

/* ===============================
   DASHBOARD / CONTENT HELPERS
================================ */

.content-section {
    margin-bottom: 24px;
}

.bg-soft-primary {
    background: rgba(37, 99, 235, 0.10);
}

.bg-soft-success {
    background: rgba(22, 163, 74, 0.10);
}

.bg-soft-warning {
    background: rgba(245, 158, 11, 0.12);
}

.bg-soft-danger {
    background: rgba(220, 38, 38, 0.10);
}

.code-inline,
code {
    background: #f1f5f9;
    color: #0f172a;
    padding: 2px 6px;
    border-radius: 6px;
    font-size: 12px;
}

/* ===============================
   ALERT
================================ */

.alert {
    border: 0;
    border-radius: var(--ims-radius);
    box-shadow: 0 5px 14px rgba(15, 23, 42, 0.05);
}

/* ===============================
   RESPONSIVE
================================ */

@media (max-width: 1199px) {
    :root {
        --ims-sidebar-width: 250px;
    }

    .ims-main {
        padding: 20px;
    }

    .metric-value {
        font-size: 21px;
    }
}

@media (max-width: 991px) {
    .ims-wrapper {
        display: block;
    }

    .ims-sidebar {
        position: relative;
        width: 100%;
        height: auto;
        max-height: none;
    }

    .sidebar-nav {
        max-height: 420px;
        overflow-y: auto;
    }

    .ims-main {
        margin-left: 0;
        width: 100%;
        padding: 18px;
    }

    .topbar {
        flex-direction: column;
        align-items: stretch;
    }

    .topbar .d-flex {
        flex-wrap: wrap;
    }
}

@media (max-width: 575px) {
    body {
        font-size: 13px;
    }

    .ims-main {
        padding: 14px;
    }

    .page-title {
        font-size: 22px;
    }

    .page-subtitle {
        font-size: 13px;
    }

    .metric-value {
        font-size: 20px;
    }

    .sidebar-brand {
        padding: 16px;
    }

    .sidebar-user {
        padding: 12px 16px;
    }

    .sidebar-nav {
        padding: 12px;
    }

    .table {
        font-size: 12px;
    }
}

/* ===============================
   PRINT
================================ */

@media print {
    .ims-sidebar,
    .topbar .d-flex,
    .btn,
    .form-control,
    .form-select {
        display: none !important;
    }

    .ims-main {
        margin-left: 0;
        width: 100%;
        padding: 0;
    }

    .card {
        box-shadow: none;
        border: 1px solid #ddd;
    }

    body {
        background: #ffffff;
    }
}