/* ==========================================================================
   Gotogo Post Admin — India Post Enterprise Design System v2.0
   Premium logistics dashboard skin on Bootstrap 5.
   Bootstrap supplies grid + JS behavior. Everything visual is owned here.
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

:root {
    /* ── Brand Palette ──────────────────────────────────────────────── */
    --c-red:            #C8102E;   /* India Post Red — primary brand */
    --c-red-hover:      #A80D25;
    --c-red-soft:       #FFF0F1;
    --c-red-border:     #FECDD3;

    --c-navy:           #1A1F36;   /* Sidebar */
    --c-navy-deep:      #13172B;
    --c-navy-mid:       #252B47;
    --c-navy-light:     #2E3655;

    --c-blue:           #2563EB;   /* Secondary accent — downloads */
    --c-blue-hover:     #1D4ED8;
    --c-blue-soft:      #EFF6FF;
    --c-blue-border:    #BFDBFE;

    --c-success:        #16A34A;
    --c-success-hover:  #15803D;
    --c-success-soft:   #DCFCE7;
    --c-success-border: #BBF7D0;

    --c-warning:        #D97706;
    --c-warning-soft:   #FEF3C7;
    --c-warning-border: #FDE68A;

    --c-danger:         #DC2626;
    --c-danger-soft:    #FEF2F2;
    --c-danger-border:  #FECACA;

    --c-info:           #0891B2;
    --c-info-soft:      #ECFEFF;
    --c-info-border:    #A5F3FC;

    /* ── Neutrals ───────────────────────────────────────────────────── */
    --c-bg:             #F0F2F5;
    --c-bg-raised:      #F7F8FA;
    --c-card:           #FFFFFF;
    --c-border:         #E4E8EE;
    --c-border-strong:  #CBD5E1;

    --c-text:           #111827;
    --c-text-secondary: #374151;
    --c-text-muted:     #6B7280;
    --c-text-subtle:    #9CA3AF;
    --c-text-ghost:     #D1D5DB;

    /* ── Shape & Elevation ──────────────────────────────────────────── */
    --radius-xs:    4px;
    --radius-sm:    8px;
    --radius-md:    12px;
    --radius-lg:    16px;
    --radius-xl:    20px;
    --radius-pill:  999px;

    --shadow-xs:  0 1px 2px rgba(0,0,0,.05);
    --shadow-sm:  0 1px 4px rgba(0,0,0,.06), 0 2px 8px rgba(0,0,0,.04);
    --shadow-md:  0 4px 16px rgba(0,0,0,.08), 0 1px 4px rgba(0,0,0,.04);
    --shadow-lg:  0 12px 40px rgba(0,0,0,.16), 0 4px 12px rgba(0,0,0,.08);
    --shadow-xl:  0 24px 64px rgba(0,0,0,.20);

    /* ── Layout ─────────────────────────────────────────────────────── */
    --sidebar-width:  268px;
    --topbar-height:  64px;

    /* ── Motion ─────────────────────────────────────────────────────── */
    --ease-out:   cubic-bezier(0.16, 1, 0.3, 1);
    --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
    --dur-fast:   150ms;
    --dur-base:   220ms;
    --dur-slow:   320ms;
}

/* ==========================================================================
   Reset & Base
   ========================================================================== */

*, *::before, *::after { box-sizing: border-box; }

html, body { height: 100%; }

body {
    background: var(--c-bg);
    color: var(--c-text);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-size: .9375rem;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

a { text-decoration: none; color: inherit; }

code {
    font-size: .8rem;
    background: var(--c-blue-soft);
    color: var(--c-blue);
    padding: .15rem .45rem;
    border-radius: var(--radius-xs);
    border: 1px solid var(--c-blue-border);
    font-family: 'SF Mono', 'Fira Code', Consolas, monospace;
    letter-spacing: -.01em;
}

::selection { background: var(--c-red-soft); color: var(--c-red); }

/* Accessibility focus ring */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
.page-link:focus-visible {
    outline: 2.5px solid var(--c-red);
    outline-offset: 2px;
    border-radius: var(--radius-xs);
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: .001ms !important;
        transition-duration: .001ms !important;
    }
}

/* ==========================================================================
   Shell Layout
   ========================================================================== */

.admin-shell {
    display: flex;
    min-height: 100vh;
}

/* ==========================================================================
   Sidebar
   ========================================================================== */

.admin-sidebar {
    width: var(--sidebar-width);
    background: linear-gradient(180deg, var(--c-navy) 0%, var(--c-navy-deep) 100%);
    position: fixed;
    inset: 0 auto 0 0;
    z-index: 1040;
    display: flex;
    flex-direction: column;
    transition: transform var(--dur-slow) var(--ease-out);
    box-shadow: 4px 0 24px rgba(0,0,0,.18);
    overflow: hidden;
}

/* Brand / Logo */
.sidebar-brand {
    display: flex;
    align-items: center;
    gap: .75rem;
    padding: 0 1.25rem;
    height: var(--topbar-height);
    border-bottom: 1px solid rgba(255,255,255,.07);
    background: var(--c-navy-deep);
    flex-shrink: 0;
}

.sidebar-brand-mark {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--c-red) 0%, #E8223A 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.125rem;
    flex-shrink: 0;
    box-shadow: 0 4px 12px rgba(200,16,46,.45);
    position: relative;
}

.sidebar-brand-mark::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 10px;
    background: linear-gradient(135deg, rgba(255,255,255,.15) 0%, transparent 60%);
}

.sidebar-brand-text {
    color: #fff;
    font-weight: 700;
    font-size: .9375rem;
    letter-spacing: -.015em;
    line-height: 1.15;
    min-width: 0;
}

.sidebar-brand-text small {
    display: block;
    color: rgba(255,255,255,.38);
    font-weight: 500;
    font-size: .625rem;
    letter-spacing: .08em;
    text-transform: uppercase;
    margin-top: .15rem;
    font-family: 'SF Mono', Consolas, monospace;
}

/* Nav */
.sidebar-nav {
    flex: 1;
    padding: 1rem .875rem;
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: rgba(255,255,255,.08) transparent;
}

.sidebar-nav::-webkit-scrollbar { width: 4px; }
.sidebar-nav::-webkit-scrollbar-track { background: transparent; }
.sidebar-nav::-webkit-scrollbar-thumb { background: rgba(255,255,255,.1); border-radius: 2px; }

.sidebar-section-label {
    color: rgba(255,255,255,.28);
    font-size: .625rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .1em;
    padding: 0 .625rem;
    margin-bottom: .375rem;
    margin-top: .125rem;
}

.sidebar-divider {
    height: 1px;
    background: rgba(255,255,255,.06);
    margin: .625rem .625rem 1rem;
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: .75rem;
    padding: .5625rem .75rem;
    margin-bottom: .125rem;
    border-radius: 10px;
    color: rgba(255,255,255,.55);
    font-weight: 500;
    font-size: .8125rem;
    transition: background var(--dur-fast) ease, color var(--dur-fast) ease;
    position: relative;
    overflow: hidden;
    white-space: nowrap;
}

.sidebar-link .nav-icon {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    background: rgba(255,255,255,.07);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    flex-shrink: 0;
    transition: background var(--dur-fast) ease, color var(--dur-fast) ease;
    color: rgba(255,255,255,.45);
}

.sidebar-link:hover {
    background: rgba(255,255,255,.07);
    color: rgba(255,255,255,.9);
}

.sidebar-link:hover .nav-icon {
    background: rgba(255,255,255,.12);
    color: #fff;
}

.sidebar-link.active {
    background: rgba(200,16,46,.16);
    color: #fff;
}

.sidebar-link.active .nav-icon {
    background: var(--c-red);
    color: #fff;
    box-shadow: 0 4px 10px rgba(200,16,46,.4);
}

/* Active left indicator bar */
.sidebar-link.active::before {
    content: '';
    position: absolute;
    left: 0;
    top: 6px;
    bottom: 6px;
    width: 3px;
    border-radius: 0 3px 3px 0;
    background: var(--c-red);
    box-shadow: 0 0 8px rgba(200,16,46,.6);
}

/* Sidebar Footer */
.sidebar-foot {
    padding: 1rem 1.25rem 1.25rem;
    border-top: 1px solid rgba(255,255,255,.07);
    flex-shrink: 0;
}

.sidebar-foot-inner {
    display: flex;
    align-items: center;
    gap: .625rem;
    background: rgba(255,255,255,.04);
    border: 1px solid rgba(255,255,255,.07);
    border-radius: 10px;
    padding: .625rem .875rem;
}

.sidebar-foot-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: #22C55E;
    flex-shrink: 0;
    box-shadow: 0 0 0 2px rgba(34,197,94,.25);
    animation: statusPulse 2.4s ease-in-out infinite;
}

@keyframes statusPulse {
    0%, 100% { box-shadow: 0 0 0 2px rgba(34,197,94,.25); }
    50%       { box-shadow: 0 0 0 5px rgba(34,197,94,.12); }
}

.sidebar-foot-text {
    color: rgba(255,255,255,.35);
    font-size: .6875rem;
    font-weight: 500;
    line-height: 1.3;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.sidebar-foot-text strong {
    display: block;
    color: rgba(255,255,255,.6);
    font-size: .6875rem;
    font-weight: 600;
}

/* Backdrop (mobile) */
.sidebar-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(13,17,30,.55);
    backdrop-filter: blur(2px);
    z-index: 1035;
}

/* ==========================================================================
   Main Column
   ========================================================================== */

.admin-main {
    flex: 1;
    margin-left: var(--sidebar-width);
    display: flex;
    flex-direction: column;
    min-width: 0;
    min-height: 100vh;
}

/* ==========================================================================
   Topbar
   ========================================================================== */

.admin-topbar {
    height: var(--topbar-height);
    background: var(--c-card);
    border-bottom: 1px solid var(--c-border);
    box-shadow: 0 1px 0 var(--c-border), 0 4px 16px rgba(0,0,0,.04);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 0 1.75rem;
    position: sticky;
    top: 0;
    z-index: 1020;
}

.topbar-left {
    display: flex;
    align-items: center;
    gap: .875rem;
    min-width: 0;
}

.sidebar-toggle {
    display: none;
    width: 36px;
    height: 36px;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    border: 1px solid var(--c-border);
    background: transparent;
    color: var(--c-text-muted);
    cursor: pointer;
    flex-shrink: 0;
    transition: background var(--dur-fast) ease, color var(--dur-fast) ease;
}

.sidebar-toggle:hover {
    background: var(--c-bg);
    color: var(--c-text);
}

.topbar-title-block { min-width: 0; }

.page-title {
    font-size: 1.0625rem;
    font-weight: 700;
    letter-spacing: -.02em;
    color: var(--c-text);
    margin: 0;
    line-height: 1.2;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.breadcrumb-trail {
    display: flex;
    align-items: center;
    gap: .375rem;
    font-size: .75rem;
    color: var(--c-text-subtle);
    margin-top: .1rem;
}

.breadcrumb-trail .bc-sep {
    font-size: .5rem;
    color: var(--c-text-ghost);
}

.breadcrumb-trail .bc-current {
    color: var(--c-text-muted);
    font-weight: 500;
}

.topbar-right {
    display: flex;
    align-items: center;
    gap: .625rem;
    flex-shrink: 0;
}

.topbar-clock {
    display: flex;
    align-items: center;
    gap: .375rem;
    font-size: .75rem;
    font-weight: 600;
    color: var(--c-text-muted);
    background: var(--c-bg);
    border: 1px solid var(--c-border);
    border-radius: var(--radius-pill);
    padding: .3125rem .75rem;
    letter-spacing: .01em;
    white-space: nowrap;
}

.topbar-clock i { color: var(--c-text-subtle); font-size: .875rem; }

.topbar-icon-btn {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 1px solid var(--c-border);
    background: transparent;
    color: var(--c-text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    cursor: pointer;
    transition: background var(--dur-fast) ease, color var(--dur-fast) ease, border-color var(--dur-fast) ease;
    position: relative;
}

.topbar-icon-btn:hover {
    background: var(--c-bg);
    color: var(--c-text);
    border-color: var(--c-border-strong);
}

.topbar-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--c-navy) 0%, var(--c-navy-mid) 100%);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: .8125rem;
    flex-shrink: 0;
    cursor: pointer;
    border: 2px solid var(--c-border);
    transition: box-shadow var(--dur-fast) ease;
    letter-spacing: .02em;
}

.topbar-avatar:hover {
    box-shadow: 0 0 0 3px rgba(26,31,54,.12);
}

/* ==========================================================================
   Content area
   ========================================================================== */

.admin-content {
    padding: 1.75rem;
    flex: 1;
    width: 100%;
}

.content-narrow {
    max-width: 660px;
    margin: 0 auto;
}

/* ==========================================================================
   Cards / Panels
   ========================================================================== */

.panel {
    background: var(--c-card);
    border: 1px solid var(--c-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1.125rem 1.5rem;
    border-bottom: 1px solid var(--c-border);
    background: var(--c-card);
}

.panel-header h2 {
    font-size: .9375rem;
    font-weight: 700;
    margin: 0;
    display: flex;
    align-items: center;
    gap: .625rem;
    color: var(--c-text);
    letter-spacing: -.01em;
}

.panel-header h2 i { color: var(--c-red); font-size: 1.0625rem; }

.panel-body { padding: 1.5rem; }

/* Stat Cards */
.stat-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: .875rem;
    margin-bottom: 1.25rem;
}

.stat-card {
    background: var(--c-card);
    border: 1px solid var(--c-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-xs);
    padding: 1rem 1.125rem;
    display: flex;
    align-items: center;
    gap: .875rem;
    transition: box-shadow var(--dur-base) ease, transform var(--dur-base) ease;
}

.stat-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

.stat-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.0625rem;
    flex-shrink: 0;
}

.stat-icon-total  { background: var(--c-blue-soft);    color: var(--c-blue);    }
.stat-icon-gen    { background: var(--c-success-soft);  color: var(--c-success); }
.stat-icon-pend   { background: var(--c-warning-soft);  color: var(--c-warning); }
.stat-icon-fail   { background: var(--c-danger-soft);   color: var(--c-danger);  }

.stat-value {
    font-size: 1.375rem;
    font-weight: 800;
    color: var(--c-text);
    line-height: 1;
    letter-spacing: -.03em;
}

.stat-label {
    font-size: .75rem;
    color: var(--c-text-muted);
    font-weight: 500;
    margin-top: .15rem;
    letter-spacing: .005em;
}

/* Generic card override for tracking page */
.card {
    border-radius: var(--radius-lg) !important;
    border-color: var(--c-border) !important;
    box-shadow: var(--shadow-sm) !important;
}

.card-header {
    background: var(--c-card) !important;
    border-color: var(--c-border) !important;
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
    font-weight: 600;
    font-size: .8125rem;
    border-radius: 10px;
    padding: .5rem .9375rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .3125rem;
    border: 1px solid transparent;
    transition:
        background-color var(--dur-fast) ease,
        border-color var(--dur-fast) ease,
        box-shadow var(--dur-fast) ease,
        transform 100ms ease,
        color var(--dur-fast) ease;
    letter-spacing: -.005em;
    white-space: nowrap;
    line-height: 1.4;
}

.btn:active:not(:disabled) { transform: translateY(1px) scale(.99); }

.btn-sm  { padding: .375rem .75rem;   font-size: .75rem;  border-radius: var(--radius-sm); }
.btn-lg  { padding: .6875rem 1.375rem; font-size: .875rem; border-radius: var(--radius-md); }

/* Primary — India Post Red */
.btn-primary {
    background: var(--c-red);
    border-color: var(--c-red);
    color: #fff;
    box-shadow: 0 1px 3px rgba(200,16,46,.25), 0 4px 8px rgba(200,16,46,.15);
}
.btn-primary:hover:not(:disabled) {
    background: var(--c-red-hover);
    border-color: var(--c-red-hover);
    color: #fff;
    box-shadow: 0 4px 12px rgba(200,16,46,.35), 0 1px 3px rgba(200,16,46,.2);
}
.btn-primary:focus-visible {
    outline-color: var(--c-red);
    box-shadow: 0 0 0 3px rgba(200,16,46,.25);
}

/* Success */
.btn-success {
    background: var(--c-success);
    border-color: var(--c-success);
    color: #fff;
    box-shadow: 0 1px 3px rgba(22,163,74,.25);
}
.btn-success:hover:not(:disabled) {
    background: var(--c-success-hover);
    border-color: var(--c-success-hover);
    color: #fff;
    box-shadow: 0 4px 12px rgba(22,163,74,.30);
}

/* Danger */
.btn-danger {
    background: var(--c-danger);
    border-color: var(--c-danger);
    color: #fff;
    box-shadow: 0 1px 3px rgba(220,38,38,.25);
}
.btn-danger:hover:not(:disabled) {
    background: #B91C1C;
    border-color: #B91C1C;
    color: #fff;
    box-shadow: 0 4px 12px rgba(220,38,38,.30);
}

/* Warning */
.btn-warning {
    background: var(--c-warning);
    border-color: var(--c-warning);
    color: #fff;
    box-shadow: 0 1px 3px rgba(217,119,6,.25);
}
.btn-warning:hover:not(:disabled) {
    background: #B45309;
    border-color: #B45309;
    color: #fff;
}

/* Info */
.btn-info {
    background: var(--c-info);
    border-color: var(--c-info);
    color: #fff !important;
    box-shadow: 0 1px 3px rgba(8,145,178,.25);
}
.btn-info:hover:not(:disabled) {
    background: #0E7490;
    border-color: #0E7490;
    color: #fff !important;
    box-shadow: 0 4px 12px rgba(8,145,178,.30);
}

/* Outline variants */
.btn-outline-primary {
    background: transparent;
    border-color: var(--c-border-strong);
    color: var(--c-red);
}
.btn-outline-primary:hover:not(:disabled) {
    background: var(--c-red-soft);
    border-color: var(--c-red);
    color: var(--c-red-hover);
}

.btn-outline-secondary {
    background: transparent;
    border-color: var(--c-border-strong);
    color: var(--c-text-muted);
}
.btn-outline-secondary:hover:not(:disabled) {
    background: var(--c-bg);
    border-color: var(--c-text-subtle);
    color: var(--c-text);
}

.btn-outline-success {
    background: transparent;
    border-color: var(--c-success-border);
    color: var(--c-success);
}
.btn-outline-success:hover:not(:disabled) {
    background: var(--c-success-soft);
    border-color: var(--c-success);
    color: var(--c-success-hover);
}

.btn-outline-danger {
    background: transparent;
    border-color: var(--c-danger-border);
    color: var(--c-danger);
}
.btn-outline-danger:hover:not(:disabled) {
    background: var(--c-danger-soft);
    border-color: var(--c-danger);
    color: #B91C1C;
}

.btn-outline-info {
    background: transparent;
    border-color: var(--c-info-border);
    color: var(--c-info);
}
.btn-outline-info:hover:not(:disabled) {
    background: var(--c-info-soft);
    border-color: var(--c-info);
    color: #0E7490;
}

.btn-outline-light {
    background: rgba(255,255,255,.1);
    border-color: rgba(255,255,255,.2);
    color: #fff;
}
.btn-outline-light:hover:not(:disabled) {
    background: rgba(255,255,255,.18);
    border-color: rgba(255,255,255,.35);
    color: #fff;
}

/* Disabled */
.btn:disabled,
.btn[disabled] {
    opacity: .45;
    cursor: not-allowed;
    box-shadow: none;
    transform: none;
    pointer-events: none;
}

.btn .spinner-border {
    width: .875rem;
    height: .875rem;
    border-width: .15em;
}

/* Count chip on action buttons */
.count-chip {
    background: rgba(255,255,255,.22);
    color: inherit;
    font-size: .6875rem;
    font-weight: 700;
    padding: .1rem .45rem;
    border-radius: var(--radius-pill);
    min-width: 1.25rem;
    text-align: center;
    line-height: 1.5;
}

/* ==========================================================================
   Forms
   ========================================================================== */

.form-label {
    font-weight: 600;
    font-size: .8125rem;
    color: var(--c-text-secondary);
    margin-bottom: .375rem;
    letter-spacing: -.005em;
}

.form-control,
.form-select {
    border: 1.5px solid var(--c-border-strong);
    border-radius: var(--radius-sm);
    padding: .5625rem .875rem;
    font-size: .875rem;
    color: var(--c-text);
    background-color: var(--c-card);
    transition: border-color var(--dur-fast) ease, box-shadow var(--dur-fast) ease, background-color var(--dur-fast) ease;
    font-family: inherit;
}

.form-control::placeholder { color: var(--c-text-ghost); }

.form-control:focus,
.form-select:focus {
    border-color: var(--c-red);
    box-shadow: 0 0 0 3px rgba(200,16,46,.1);
    background-color: var(--c-card);
    outline: none;
}

.form-control.is-invalid {
    border-color: var(--c-danger);
    background-image: none;
}

.form-control.is-invalid:focus {
    box-shadow: 0 0 0 3px rgba(220,38,38,.12);
}

.invalid-feedback {
    font-size: .8rem;
    color: var(--c-danger);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: .3rem;
    margin-top: .375rem;
}

.form-hint {
    font-size: .8rem;
    color: var(--c-text-muted);
    margin-top: .375rem;
    display: flex;
    align-items: center;
    gap: .35rem;
    line-height: 1.4;
}

.form-hint strong { color: var(--c-text-secondary); font-weight: 600; }

.input-group-text {
    background: var(--c-bg-raised);
    border: 1.5px solid var(--c-border-strong);
    color: var(--c-text-muted);
    padding: .5625rem .875rem;
}

.input-group .form-control:focus { z-index: 1; }

/* File drop zone */
.file-drop {
    border: 2px dashed var(--c-border-strong);
    border-radius: var(--radius-lg);
    background: var(--c-bg);
    padding: 2.5rem 1.5rem;
    text-align: center;
    cursor: pointer;
    transition: border-color var(--dur-base) ease, background var(--dur-base) ease, box-shadow var(--dur-base) ease;
    position: relative;
}

.file-drop:hover {
    border-color: var(--c-red);
    background: var(--c-red-soft);
    box-shadow: 0 0 0 4px rgba(200,16,46,.06);
}

.file-drop.dragover {
    border-color: var(--c-red);
    background: var(--c-red-soft);
    box-shadow: 0 0 0 6px rgba(200,16,46,.1);
}

.file-drop-icon {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--c-red-soft) 0%, #FFE0E3 100%);
    border: 1.5px solid var(--c-red-border);
    color: var(--c-red);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.625rem;
    margin: 0 auto 1rem;
    transition: transform var(--dur-base) ease, box-shadow var(--dur-base) ease;
}

.file-drop:hover .file-drop-icon,
.file-drop.dragover .file-drop-icon {
    transform: scale(1.05) translateY(-2px);
    box-shadow: 0 8px 20px rgba(200,16,46,.2);
}

.file-drop-title {
    font-size: .9375rem;
    font-weight: 700;
    color: var(--c-text);
    margin: 0 0 .25rem;
    letter-spacing: -.01em;
}

.file-drop-sub {
    font-size: .8125rem;
    color: var(--c-text-muted);
    margin: 0 0 1.125rem;
}

.file-type-chips {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: .375rem;
    flex-wrap: wrap;
    margin-bottom: 1rem;
}

.file-type-chip {
    font-size: .7rem;
    font-weight: 700;
    padding: .2rem .5rem;
    border-radius: var(--radius-xs);
    background: var(--c-blue-soft);
    color: var(--c-blue);
    border: 1px solid var(--c-blue-border);
    letter-spacing: .03em;
    text-transform: uppercase;
}

.file-drop input[type="file"] {
    max-width: 280px;
    margin: 0 auto;
    cursor: pointer;
}

.file-name-preview {
    font-size: .8125rem;
    color: var(--c-success);
    font-weight: 600;
    margin-top: .75rem;
    display: none;
    align-items: center;
    justify-content: center;
    gap: .375rem;
    background: var(--c-success-soft);
    border: 1px solid var(--c-success-border);
    border-radius: var(--radius-sm);
    padding: .5rem .875rem;
    max-width: 360px;
    margin-left: auto;
    margin-right: auto;
}

.file-name-preview.show { display: flex; }

/* ==========================================================================
   Alerts
   ========================================================================== */

.alert {
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    padding: .875rem 1.125rem;
    font-size: .875rem;
    display: flex;
    align-items: flex-start;
    gap: .625rem;
    margin-bottom: 1rem;
}

.alert i:first-child { font-size: 1rem; margin-top: .075rem; flex-shrink: 0; }

.alert-success {
    background: var(--c-success-soft);
    border-color: var(--c-success-border);
    color: var(--c-success-hover);
}

.alert-danger {
    background: var(--c-danger-soft);
    border-color: var(--c-danger-border);
    color: #991B1B;
}

.alert-warning {
    background: var(--c-warning-soft);
    border-color: var(--c-warning-border);
    color: #92400E;
}

.alert-info {
    background: var(--c-blue-soft);
    border-color: var(--c-blue-border);
    color: var(--c-blue-hover);
}

.alert .btn-close { margin-left: auto; margin-top: -.125rem; flex-shrink: 0; }

/* ==========================================================================
   Badges
   ========================================================================== */

.badge {
    font-weight: 600;
    font-size: .7rem;
    padding: .25rem .625rem;
    border-radius: var(--radius-pill);
    display: inline-flex;
    align-items: center;
    gap: .3rem;
    letter-spacing: .01em;
    white-space: nowrap;
    line-height: 1.5;
}

/* Label Status */
.badge-pending {
    background: #F1F5F9;
    color: #475569;
    border: 1px solid #E2E8F0;
}

.badge-generated {
    background: var(--c-success-soft);
    color: var(--c-success-hover);
    border: 1px solid var(--c-success-border);
}

.badge-failed {
    background: var(--c-danger-soft);
    color: #B91C1C;
    border: 1px solid var(--c-danger-border);
}

/* Status dot inside badge */
.badge-dot {
    width: 5px;
    height: 5px;
    border-radius: 50%;
    flex-shrink: 0;
}

.badge-pending   .badge-dot { background: #94A3B8; }
.badge-generated .badge-dot { background: var(--c-success); }
.badge-failed    .badge-dot { background: var(--c-danger); }

/* Bootstrap contextual badge overrides */
.badge.bg-info    { background: var(--c-info-soft) !important;    color: var(--c-info) !important;    border: 1px solid var(--c-info-border); }
.badge.bg-warning { background: var(--c-warning-soft) !important; color: var(--c-warning) !important; border: 1px solid var(--c-warning-border); }
.badge.bg-success { background: var(--c-success-soft) !important; color: var(--c-success) !important; border: 1px solid var(--c-success-border); }
.badge.bg-danger  { background: var(--c-danger-soft) !important;  color: var(--c-danger) !important;  border: 1px solid var(--c-danger-border); }
.badge.bg-primary { background: var(--c-blue-soft) !important;    color: var(--c-blue) !important;    border: 1px solid var(--c-blue-border); }
.badge.bg-secondary { background: #F1F5F9 !important; color: #475569 !important; border: 1px solid #E2E8F0; }
.badge.text-white { color: inherit !important; }
.badge.text-dark  { color: inherit !important; }

/* ==========================================================================
   Table Toolbar
   ========================================================================== */

.table-toolbar {
    background: var(--c-card);
    border: 1px solid var(--c-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    padding: .875rem 1.25rem;
    margin-bottom: .875rem;
    display: flex;
    flex-wrap: wrap;
    gap: .5rem;
    align-items: center;
}

.search-box .input-group {
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.search-box .input-group-text {
    border-right: none;
    border-radius: var(--radius-sm) 0 0 var(--radius-sm);
    background: var(--c-bg);
}

.search-box .form-control {
    border-left: none;
    border-right: none;
    max-width: 240px;
}

.search-box .btn-outline-secondary {
    border-left: none;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.toolbar-divider {
    width: 1px;
    height: 24px;
    background: var(--c-border);
    flex-shrink: 0;
}

/* ==========================================================================
   Table Panel
   ========================================================================== */

.table-panel {
    background: var(--c-card);
    border: 1px solid var(--c-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.table-scroll {
    overflow-x: auto;
    max-height: 65vh;
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: var(--c-border) transparent;
}

.table-scroll::-webkit-scrollbar { width: 6px; height: 6px; }
.table-scroll::-webkit-scrollbar-track { background: transparent; }
.table-scroll::-webkit-scrollbar-thumb { background: var(--c-border); border-radius: 3px; }

.table {
    margin: 0;
    font-size: .8125rem;
    color: var(--c-text);
    border-collapse: separate;
    border-spacing: 0;
    width: 100%;
}

/* Table header */
.table thead th {
    position: sticky;
    top: 0;
    z-index: 5;
    background: #F8FAFD;
    color: #64748B;
    border: none;
    border-bottom: 1.5px solid var(--c-border);
    font-size: .6875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .06em;
    white-space: nowrap;
    cursor: pointer;
    user-select: none;
    padding: .75rem .875rem;
}

.table thead th:first-child { padding-left: 1rem; }
.table thead th:last-child { padding-right: 1rem; }

.table thead th:hover { background: #EEF2F8; color: var(--c-text-secondary); }

.table thead th.sorted-asc::after  { content: ' ↑'; opacity: .6; }
.table thead th.sorted-desc::after { content: ' ↓'; opacity: .6; }

/* Table cells */
.table td,
.table th {
    vertical-align: middle;
    padding: .625rem .875rem;
    border-bottom: 1px solid #F1F5F9;
}

.table td:first-child { padding-left: 1rem; }
.table td:last-child  { padding-right: 1rem; }

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

/* Zebra rows */
.table tbody tr:nth-child(even) { background: #FBFCFE; }

/* Hover */
.table tbody tr:hover {
    background: var(--c-red-soft) !important;
}

.table tbody tr:hover code {
    background: var(--c-red-border);
    color: var(--c-red-hover);
}

/* Checkbox column */
.col-check { width: 44px; padding-left: 1rem !important; padding-right: .5rem !important; }

/* Address cell truncation */
.addr-cell {
    max-width: 180px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Checkboxes */
.form-check-input {
    border-color: var(--c-border-strong);
    width: 1.0625em;
    height: 1.0625em;
    cursor: pointer;
    border-radius: var(--radius-xs) !important;
    transition: border-color var(--dur-fast) ease, background var(--dur-fast) ease;
}

.form-check-input:checked {
    background-color: var(--c-red);
    border-color: var(--c-red);
}

.form-check-input:focus {
    border-color: var(--c-red);
    box-shadow: 0 0 0 3px rgba(200,16,46,.12);
}

.form-check-input:indeterminate {
    background-color: var(--c-red);
    border-color: var(--c-red);
}

/* Record count */
.record-count {
    font-size: .8rem;
    color: var(--c-text-muted);
    margin-top: .625rem;
    padding-left: .25rem;
    display: flex;
    align-items: center;
    gap: .35rem;
}

/* ==========================================================================
   Empty States
   ========================================================================== */

.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--c-text-muted);
}

.empty-icon {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: var(--c-bg);
    border: 1.5px solid var(--c-border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.625rem;
    color: var(--c-text-ghost);
    margin: 0 auto 1.125rem;
}

.empty-state p {
    margin: 0 0 .375rem;
    font-weight: 600;
    color: var(--c-text-secondary);
    font-size: .9375rem;
}

.empty-state span { font-size: .8125rem; color: var(--c-text-muted); }

.empty-state a {
    color: var(--c-red);
    font-weight: 600;
}

.empty-state a:hover { text-decoration: underline; }

/* ==========================================================================
   Loading Overlay / Spinner
   ========================================================================== */

.spinner-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(10,14,26,.55);
    backdrop-filter: blur(3px);
    -webkit-backdrop-filter: blur(3px);
    z-index: 9999;
    align-items: center;
    justify-content: center;
}

.spinner-overlay.show { display: flex; animation: fadeIn var(--dur-base) ease; }

@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

.spinner-card {
    background: var(--c-card);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    padding: 2.25rem 3rem;
    text-align: center;
    max-width: 320px;
    width: 90%;
    animation: scaleIn var(--dur-slow) var(--ease-out);
}

@keyframes scaleIn { from { opacity: 0; transform: scale(.94); } to { opacity: 1; transform: scale(1); } }

.spinner-card .spinner-border {
    color: var(--c-red);
    width: 2.75rem;
    height: 2.75rem;
    border-width: .2em;
}

.spinner-card p {
    margin: 1.125rem 0 0;
    font-size: .875rem;
    font-weight: 600;
    color: var(--c-text-secondary);
    line-height: 1.5;
}

/* ==========================================================================
   Tooltips
   ========================================================================== */

.tooltip .tooltip-inner {
    background: var(--c-navy);
    color: #fff;
    font-size: .75rem;
    padding: .375rem .6875rem;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-md);
    font-family: inherit;
}

.tooltip .tooltip-arrow::before { border-top-color: var(--c-navy); }

/* ==========================================================================
   Pagination
   ========================================================================== */

.pagination {
    gap: .25rem;
    margin: 0;
    flex-wrap: wrap;
}

.page-link {
    border: 1.5px solid var(--c-border);
    color: var(--c-text-muted);
    border-radius: var(--radius-sm) !important;
    font-size: .8rem;
    font-weight: 600;
    padding: .375rem .75rem;
    margin: 0;
    transition: background var(--dur-fast) ease, border-color var(--dur-fast) ease, color var(--dur-fast) ease;
    font-family: inherit;
    line-height: 1.5;
}

.page-link:hover {
    background: var(--c-red-soft);
    color: var(--c-red);
    border-color: var(--c-red-border);
}

.page-item.active .page-link {
    background: var(--c-red);
    border-color: var(--c-red);
    color: #fff;
    box-shadow: 0 2px 6px rgba(200,16,46,.3);
}

.page-item.disabled .page-link {
    color: var(--c-text-ghost);
    background: var(--c-bg);
    border-color: var(--c-border);
}

/* ==========================================================================
   Tracking Timeline
   ========================================================================== */

.tracking-timeline {
    position: relative;
    padding-left: 2rem;
    margin-top: .5rem;
}

.tracking-timeline::before {
    content: '';
    position: absolute;
    left: .6rem;
    top: .5rem;
    bottom: .5rem;
    width: 2px;
    background: linear-gradient(180deg, var(--c-red) 0%, #FECDD3 80%, var(--c-border) 100%);
    border-radius: 2px;
}

.tl-item {
    position: relative;
    padding: .625rem 0 .625rem 1rem;
    border-bottom: 1px solid var(--c-border);
}

.tl-item:last-child { border-bottom: none; }

.tl-dot {
    position: absolute;
    left: -2rem;
    top: .95rem;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--c-border-strong);
    border: 2.5px solid var(--c-card);
    box-shadow: 0 0 0 2px var(--c-border-strong);
}

.tl-dot--active {
    background: var(--c-red);
    box-shadow: 0 0 0 2px var(--c-red);
    animation: tlPulse 2s ease-in-out infinite;
}

@keyframes tlPulse {
    0%, 100% { box-shadow: 0 0 0 2px var(--c-red); }
    50%       { box-shadow: 0 0 0 5px rgba(200,16,46,.2); }
}

.tl-item--latest .tl-status {
    font-weight: 700;
    color: var(--c-text);
}

.tl-status {
    font-size: .875rem;
    color: var(--c-text-secondary);
    line-height: 1.4;
}

.tl-meta {
    font-size: .76rem;
    color: var(--c-text-muted);
    margin-top: .25rem;
    display: flex;
    gap: 1.25rem;
    flex-wrap: wrap;
}

.tl-location i,
.tl-time i { margin-right: .25rem; color: var(--c-text-subtle); }

/* ==========================================================================
   Tracking Modal
   ========================================================================== */

#trackingModal .modal-content {
    border-radius: var(--radius-xl) !important;
    border: none !important;
    box-shadow: var(--shadow-xl) !important;
    overflow: hidden;
}

#trackingModal .modal-header {
    background: linear-gradient(135deg, var(--c-navy) 0%, var(--c-navy-mid) 100%);
    border-radius: 0 !important;
    border-bottom: none;
    padding: 1.25rem 1.5rem;
}

#trackingModal .modal-title { font-size: .9375rem; font-weight: 700; }
#trackingModal .modal-body  { padding: 1.5rem; }
#trackingModal .modal-footer {
    border-color: var(--c-border);
    padding: .875rem 1.5rem;
}

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 991.98px) {
    .admin-sidebar {
        transform: translateX(-100%);
        box-shadow: none;
    }

    .admin-sidebar.show {
        transform: translateX(0);
        box-shadow: var(--shadow-xl);
    }

    .admin-main { margin-left: 0; }

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

    .sidebar-backdrop.show { display: block; }

    .stat-row { grid-template-columns: repeat(2, 1fr); }

    .table-toolbar { gap: .375rem; }

    .topbar-clock { display: none; }
}

@media (max-width: 767.98px) {
    .admin-topbar { padding: 0 1rem; }
    .admin-content { padding: 1.125rem; }
    .stat-row { grid-template-columns: repeat(2, 1fr); gap: .625rem; }
    .table-toolbar .btn { font-size: .75rem; padding: .375rem .625rem; }
}

@media (max-width: 575.98px) {
    .admin-content { padding: .875rem; }
    .stat-row { grid-template-columns: 1fr 1fr; }
    .panel-body { padding: 1rem; }
    .panel-header { padding: 1rem 1.125rem; }
}

/* ==========================================================================
   Utility overrides
   ========================================================================== */

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

/* Ensure Bootstrap form-select-sm stays sized */
.form-select-sm {
    padding: .3125rem .625rem;
    font-size: .8rem;
    border-radius: var(--radius-sm);
}

/* Selection info */
#selectionInfo {
    font-size: .8125rem;
    color: var(--c-text-muted);
    padding: .25rem .5rem;
    background: var(--c-bg);
    border-radius: var(--radius-pill);
    border: 1px solid var(--c-border);
}