:root {
    --erp-bg: #f3f6fb;
    --erp-surface: #ffffff;
    --erp-surface-2: #f8fbff;
    --erp-text: #172033;
    --erp-muted: #64748b;
    --erp-border: #dbe4ef;
    --erp-primary: #2454d6;
    --erp-primary-2: #0f8bd6;
    --erp-success: #0f9f6e;
    --erp-warning: #d99018;
    --erp-danger: #d23b4f;
    --erp-info: #0b9fbd;
    --erp-shadow: 0 18px 50px rgba(19, 35, 64, .10);
    --erp-shadow-soft: 0 8px 28px rgba(19, 35, 64, .08);
    --erp-radius: 16px;
    --erp-radius-sm: 10px;
    --erp-sidebar: 292px;
    --erp-topbar: 74px;
    --erp-transition: .22s ease;
}

* { box-sizing: border-box; }

html, body {
    min-height: 100%;
    font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
    color: var(--erp-text);
    background:
        radial-gradient(circle at 10% 0%, rgba(36, 84, 214, .10), transparent 28rem),
        linear-gradient(180deg, #f8fbff 0%, var(--erp-bg) 56%, #edf3fa 100%);
}

body.app-shell { margin: 0; overflow-x: hidden; }
a { color: var(--erp-primary); text-decoration: none; }
a:hover { color: #173c9c; }

.app-wrapper { display: flex; min-height: 100vh; }
.app-main { flex: 1; margin-left: var(--erp-sidebar); min-width: 0; display: flex; flex-direction: column; min-height: 100vh; transition: margin var(--erp-transition); }
.app-content { flex: 1; padding: 1.35rem 1.5rem 2rem; }

.page-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 1rem; margin-bottom: 1rem; }
.page-title { font-family: "Barlow", sans-serif; font-size: clamp(1.45rem, 2.2vw, 2.05rem); font-weight: 700; margin: 0; letter-spacing: 0; }
.page-subtitle { max-width: 860px; color: var(--erp-muted); margin: .32rem 0 0; }
.page-actions, .page-toolbar, .filter-bar { display: flex; align-items: center; gap: .75rem; flex-wrap: wrap; }

.app-breadcrumb {
    background: color-mix(in srgb, var(--erp-surface) 88%, transparent);
    border: 1px solid var(--erp-border);
    border-radius: var(--erp-radius-sm);
    padding: .75rem 1rem;
    margin-bottom: 1.25rem;
    box-shadow: var(--erp-shadow-soft);
    backdrop-filter: blur(16px);
}
.breadcrumb-item, .breadcrumb-item a { font-size: .88rem; color: var(--erp-muted); }
.breadcrumb-item.active { color: var(--erp-text); font-weight: 600; }

.content-card, .table-card, .settings-panel, .report-panel {
    background: linear-gradient(180deg, color-mix(in srgb, var(--erp-surface) 96%, transparent), var(--erp-surface));
    border: 1px solid var(--erp-border);
    border-radius: var(--erp-radius);
    box-shadow: var(--erp-shadow-soft);
    padding: 1.15rem;
    margin-bottom: 1.25rem;
}

.section-title { display: flex; justify-content: space-between; align-items: center; gap: 1rem; margin-bottom: 1rem; }
.section-title h2, .section-title h3 { margin: 0; font-size: 1.08rem; font-weight: 700; letter-spacing: 0; }
.section-title small { color: var(--erp-muted); }

.btn { border-radius: 10px; font-weight: 650; letter-spacing: 0; }
.btn-primary { background: linear-gradient(135deg, var(--erp-primary), var(--erp-primary-2)); border: 0; box-shadow: 0 10px 24px rgba(36,84,214,.22); }
.btn-light { background: var(--erp-surface-2); border-color: var(--erp-border); color: var(--erp-text); }
.btn-icon { width: 42px; height: 42px; display: inline-grid; place-items: center; padding: 0; border: 1px solid var(--erp-border); background: var(--erp-surface); color: var(--erp-text); }
.quick-action-btn { white-space: nowrap; }

.status-badge {
    display: inline-flex; align-items: center; justify-content: center; gap: .35rem;
    min-height: 28px; border-radius: 999px; padding: .34rem .72rem;
    font-size: .73rem; font-weight: 800; letter-spacing: 0; text-transform: uppercase;
}
.status-active, .status-approved, .status-released, .status-posted, .status-completed { background: linear-gradient(135deg, rgba(15,159,110,.16), rgba(15,159,110,.08)); color: #047857; }
.status-pending, .status-hold { background: linear-gradient(135deg, rgba(217,144,24,.18), rgba(217,144,24,.08)); color: #a16207; }
.status-rejected, .status-inactive, .status-failed { background: linear-gradient(135deg, rgba(210,59,79,.16), rgba(210,59,79,.08)); color: #be123c; }
.status-sendback, .status-send-back { background: linear-gradient(135deg, rgba(124,58,237,.16), rgba(124,58,237,.08)); color: #6d28d9; }
.status-draft { background: rgba(100,116,139,.14); color: #475569; }

.empty-state { min-height: 130px; display: grid; place-items: center; color: var(--erp-muted); text-align: center; }
.empty-state.compact { min-height: 72px; gap: .35rem; }
.flash-stack { margin-bottom: 1rem; }
.erp-alert { border: 1px solid var(--erp-border); display: flex; gap: .75rem; align-items: center; border-radius: var(--erp-radius-sm); }

.app-loader {
    position: fixed; inset: 0; z-index: 9999; display: grid; place-items: center;
    background: linear-gradient(135deg, #071629, #11315d 52%, #0d7490);
    color: #fff; transition: opacity .28s ease, visibility .28s ease;
}
.app-loader.hidden { opacity: 0; visibility: hidden; }
.loader-brand { display: flex; gap: 1rem; align-items: center; }
.loader-logo { width: 58px; height: 58px; border-radius: 14px; display: grid; place-items: center; background: linear-gradient(135deg, #56ccf2, #2454d6); font-weight: 800; }
.section-loader { position: fixed; inset: auto 1.25rem 1.25rem auto; z-index: 1080; background: var(--erp-surface); border: 1px solid var(--erp-border); border-radius: 999px; padding: .65rem 1rem; box-shadow: var(--erp-shadow); gap: .6rem; align-items: center; }
.section-loader:not(.d-none) { display: flex; }
.loader-ring { width: 18px; height: 18px; border: 2px solid var(--erp-border); border-top-color: var(--erp-primary); border-radius: 50%; animation: spin .8s linear infinite; }

.app-footer { display: flex; justify-content: space-between; gap: 1rem; padding: 1rem 1.5rem; border-top: 1px solid var(--erp-border); color: var(--erp-muted); background: color-mix(in srgb, var(--erp-surface) 90%, transparent); }
.footer-left, .footer-right { display: flex; gap: 1rem; align-items: center; flex-wrap: wrap; }

.bg-soft-primary { background: rgba(36,84,214,.12); color: #1d4ed8; }
.bg-soft-success { background: rgba(15,159,110,.12); color: #047857; }
.bg-soft-warning { background: rgba(217,144,24,.13); color: #a16207; }
.bg-soft-danger { background: rgba(210,59,79,.12); color: #be123c; }
.bg-soft-info { background: rgba(11,159,189,.12); color: #0e7490; }

.skeleton-block { display: grid; gap: .75rem; }
.skeleton-block span { height: 16px; border-radius: 999px; background: linear-gradient(90deg, #e7edf6, #f7faff, #e7edf6); background-size: 200% 100%; animation: shimmer 1.5s infinite; }