/* =====================================================================
   DigitalSMS4U User Panel - design system (Bootstrap 5.3 based)
   Light + dark themes via [data-bs-theme]. Mobile first, fully responsive.
   ===================================================================== */
:root {
    --ds4u-primary: #2f5bea;
    --ds4u-primary-600: #2449c4;
    --ds4u-primary-50: #eef2ff;
    --ds4u-accent: #13b5a6;
    --ds4u-sidebar-bg: #0f1b3d;
    --ds4u-sidebar-fg: #c7d0e6;
    --ds4u-sidebar-muted: #8592b3;
    --ds4u-sidebar-active: #ffffff;
    --ds4u-sidebar-hover: rgba(255, 255, 255, .06);
    --ds4u-sidebar-w: 264px;
    --ds4u-sidebar-w-collapsed: 76px;
    --ds4u-topbar-h: 64px;
    --ds4u-radius: .75rem;
    --ds4u-shadow: 0 1px 2px rgba(16, 24, 40, .06), 0 1px 3px rgba(16, 24, 40, .08);
    --ds4u-body-bg: #f4f6fb;
    --ds4u-surface: #ffffff;
    --ds4u-border: #e5e8f0;
    --bs-primary: var(--ds4u-primary);
    --bs-primary-rgb: 47, 91, 234;
    --bs-link-color: var(--ds4u-primary);
    --bs-link-hover-color: var(--ds4u-primary-600);
    --bs-border-radius: .5rem;
    --bs-body-font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans", "Helvetica Neue", Arial, sans-serif;
}

[data-bs-theme="dark"] {
    --ds4u-body-bg: #0b1220;
    --ds4u-surface: #121a2b;
    --ds4u-border: #22304a;
    --ds4u-primary-50: rgba(47, 91, 234, .15);
    --ds4u-sidebar-bg: #080f22;
    --bs-body-bg: #0b1220;
}

.btn-primary {
    --bs-btn-bg: var(--ds4u-primary);
    --bs-btn-border-color: var(--ds4u-primary);
    --bs-btn-hover-bg: var(--ds4u-primary-600);
    --bs-btn-hover-border-color: var(--ds4u-primary-600);
    --bs-btn-active-bg: var(--ds4u-primary-600);
    --bs-btn-disabled-bg: var(--ds4u-primary);
    --bs-btn-disabled-border-color: var(--ds4u-primary);
}

.btn-outline-primary {
    --bs-btn-color: var(--ds4u-primary);
    --bs-btn-border-color: var(--ds4u-primary);
    --bs-btn-hover-bg: var(--ds4u-primary);
    --bs-btn-hover-border-color: var(--ds4u-primary);
    --bs-btn-active-bg: var(--ds4u-primary-600);
}

html, body { height: 100%; }
body.ds4u-app { background: var(--ds4u-body-bg); }

.ds4u-skip { position: absolute; z-index: 2000; left: 1rem; top: 1rem; background: #fff; padding: .5rem 1rem; border-radius: .5rem; }

/* ------------------------------------------------------------- sidebar */
.ds4u-sidebar {
    position: fixed; inset: 0 auto 0 0; z-index: 1040;
    width: var(--ds4u-sidebar-w);
    background: var(--ds4u-sidebar-bg); color: var(--ds4u-sidebar-fg);
    display: flex; flex-direction: column;
    transform: translateX(-100%);
    transition: transform .25s ease, width .2s ease;
}
.ds4u-sidebar__brand {
    height: var(--ds4u-topbar-h); flex: 0 0 auto;
    display: flex; align-items: center; justify-content: space-between;
    padding: 0 1rem 0 1.25rem; border-bottom: 1px solid rgba(255, 255, 255, .06);
}
.ds4u-sidebar__brand a { color: #fff; min-width: 0; }
.ds4u-logo-mark {
    width: 36px; height: 36px; border-radius: 10px; flex: 0 0 auto;
    display: inline-grid; place-items: center; color: #fff; font-size: 1.1rem;
    background: linear-gradient(135deg, var(--ds4u-primary), var(--ds4u-accent));
}
.ds4u-logo-text { font-weight: 700; letter-spacing: .2px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.ds4u-logo-img { max-height: 40px; max-width: 190px; object-fit: contain; }

.ds4u-nav { overflow-y: auto; padding: .75rem .75rem 2rem; flex: 1 1 auto; scrollbar-width: thin; }
.ds4u-nav__link {
    display: flex; align-items: center; gap: .75rem; width: 100%;
    padding: .6rem .75rem; border-radius: .6rem; border: 0; background: none;
    color: var(--ds4u-sidebar-fg); text-decoration: none; font-weight: 500; text-align: left;
}
.ds4u-nav__link > i:first-child { font-size: 1.1rem; width: 1.25rem; text-align: center; }
.ds4u-nav__link:hover { background: var(--ds4u-sidebar-hover); color: #fff; }
.ds4u-nav__link.active { background: var(--ds4u-primary); color: var(--ds4u-sidebar-active); }
.ds4u-nav__group { margin-top: .25rem; }
.ds4u-nav__chev { margin-left: auto; font-size: .75rem; transition: transform .2s; }
.ds4u-nav__toggle:not(.collapsed) .ds4u-nav__chev { transform: rotate(180deg); }
.ds4u-nav__sub { list-style: none; padding: .25rem 0 .25rem 1.1rem; margin: 0; border-left: 1px solid rgba(255, 255, 255, .08); margin-left: 1.35rem; }
.ds4u-nav__sub a {
    display: flex; gap: .6rem; align-items: center; padding: .45rem .75rem; border-radius: .5rem;
    color: var(--ds4u-sidebar-muted); text-decoration: none; font-size: .925rem;
}
.ds4u-nav__sub a i { font-size: .95rem; }
.ds4u-nav__sub a:hover { color: #fff; background: var(--ds4u-sidebar-hover); }
.ds4u-nav__sub a.active { color: #fff; background: rgba(47, 91, 234, .35); }

.ds4u-backdrop { position: fixed; inset: 0; background: rgba(8, 15, 34, .55); z-index: 1035; opacity: 0; visibility: hidden; transition: opacity .2s; }
body.ds4u-sidebar-open .ds4u-sidebar { transform: none; }
body.ds4u-sidebar-open .ds4u-backdrop { opacity: 1; visibility: visible; }

/* ------------------------------------------------------------- main area */
.ds4u-main { min-height: 100vh; display: flex; flex-direction: column; transition: margin-left .2s ease; }
.ds4u-topbar {
    position: sticky; top: 0; z-index: 1020; height: var(--ds4u-topbar-h);
    display: flex; align-items: center; gap: .5rem; padding: 0 1rem;
    background: var(--ds4u-surface); border-bottom: 1px solid var(--ds4u-border);
}
.ds4u-topbar__title { font-size: 1.1rem; font-weight: 600; margin: 0 auto 0 .25rem; min-width: 0; }
.ds4u-icon-btn { width: 40px; height: 40px; display: inline-grid; place-items: center; border-radius: .6rem; color: var(--bs-body-color); }
.ds4u-icon-btn:hover { background: var(--ds4u-primary-50); }
.ds4u-balances { align-items: center; gap: .5rem; }
.ds4u-chip {
    display: inline-flex; align-items: center; gap: .35rem; white-space: nowrap;
    padding: .3rem .7rem; border-radius: 999px; font-size: .85rem;
    background: var(--ds4u-primary-50); color: var(--ds4u-primary);
}
.ds4u-chip--muted { background: rgba(127, 140, 170, .12); color: var(--bs-secondary-color); }
.ds4u-user-btn { display: inline-flex; align-items: center; gap: .5rem; border-radius: 999px; padding: .25rem .5rem .25rem .25rem; }
.ds4u-user-btn:hover { background: var(--ds4u-primary-50); }
.ds4u-avatar { width: 34px; height: 34px; border-radius: 50%; object-fit: cover; background: var(--ds4u-primary-50); }
.ds4u-user-menu { min-width: 240px; }
.ds4u-user-menu .dropdown-item i { width: 1.25rem; }

.ds4u-alertbar {
    display: flex; align-items: center; gap: .75rem; padding: .45rem 1rem; overflow: hidden;
    background: #fff7e6; color: #8a5300; border-bottom: 1px solid #ffe2a8; font-size: .9rem;
}
[data-bs-theme="dark"] .ds4u-alertbar { background: #2b2210; color: #f5c46b; border-color: #4a3a15; }
.ds4u-alertbar__track { display: flex; gap: 2.5rem; white-space: nowrap; animation: ds4u-marquee 30s linear infinite; }
.ds4u-alertbar:hover .ds4u-alertbar__track { animation-play-state: paused; }
@keyframes ds4u-marquee { from { transform: translateX(30%); } to { transform: translateX(-100%); } }
@media (prefers-reduced-motion: reduce) { .ds4u-alertbar__track { animation: none; flex-wrap: wrap; white-space: normal; } }

.ds4u-content { flex: 1 0 auto; padding: 1.25rem 1rem 2rem; }
.ds4u-footer {
    display: flex; flex-wrap: wrap; gap: .5rem 1.5rem; justify-content: space-between;
    padding: 1rem; font-size: .85rem; color: var(--bs-secondary-color); border-top: 1px solid var(--ds4u-border);
}

@media (min-width: 992px) {
    .ds4u-sidebar { transform: none; }
    .ds4u-backdrop { display: none; }
    .ds4u-main { margin-left: var(--ds4u-sidebar-w); }
    .ds4u-content { padding: 1.5rem 1.75rem 2.5rem; }
    .ds4u-topbar { padding: 0 1.25rem; }
    body.ds4u-collapsed .ds4u-sidebar { width: var(--ds4u-sidebar-w-collapsed); }
    body.ds4u-collapsed .ds4u-main { margin-left: var(--ds4u-sidebar-w-collapsed); }
    body.ds4u-collapsed .ds4u-logo-text, body.ds4u-collapsed .ds4u-nav__link span,
    body.ds4u-collapsed .ds4u-nav__chev, body.ds4u-collapsed .ds4u-nav__sub span { display: none; }
    body.ds4u-collapsed .ds4u-nav__sub { margin-left: 0; padding-left: 0; border: 0; }
    body.ds4u-collapsed .ds4u-nav__sub a, body.ds4u-collapsed .ds4u-nav__link { justify-content: center; }
}

/* ------------------------------------------------------------- building blocks */
.ds4u-page-head { display: flex; flex-wrap: wrap; align-items: center; gap: .75rem 1rem; margin-bottom: 1.25rem; }
.ds4u-page-head h2 { font-size: 1.35rem; font-weight: 700; margin: 0; }
.ds4u-page-head p { margin: .15rem 0 0; color: var(--bs-secondary-color); font-size: .925rem; }
.ds4u-page-head .ds4u-actions { margin-left: auto; display: flex; flex-wrap: wrap; gap: .5rem; }

.card { border-color: var(--ds4u-border); border-radius: var(--ds4u-radius); box-shadow: var(--ds4u-shadow); background: var(--ds4u-surface); }
.card-header { background: transparent; border-bottom-color: var(--ds4u-border); font-weight: 600; padding: .9rem 1.1rem; }
.card-body { padding: 1.1rem; }
@media (min-width: 768px) { .card-body { padding: 1.35rem; } }

.ds4u-stat { display: flex; gap: 1rem; align-items: center; }
.ds4u-stat__icon { width: 48px; height: 48px; border-radius: 12px; display: grid; place-items: center; font-size: 1.35rem; flex: 0 0 auto; }
.ds4u-stat__label { color: var(--bs-secondary-color); font-size: .85rem; }
.ds4u-stat__value { font-size: 1.5rem; font-weight: 700; line-height: 1.2; }
.ds4u-tone-blue { background: #e8eeff; color: #2f5bea; }
.ds4u-tone-green { background: #e3f8ef; color: #12945a; }
.ds4u-tone-amber { background: #fff3dc; color: #b26a00; }
.ds4u-tone-red { background: #ffe8e8; color: #c62828; }
.ds4u-tone-teal { background: #dff7f4; color: #0f8f83; }
.ds4u-tone-violet { background: #f0e9ff; color: #6b3fd4; }
[data-bs-theme="dark"] [class*="ds4u-tone-"] { background: rgba(255, 255, 255, .06); }

.form-label { font-weight: 500; font-size: .9rem; margin-bottom: .35rem; }
.form-control, .form-select { border-color: var(--ds4u-border); }
.form-control:focus, .form-select:focus { border-color: var(--ds4u-primary); box-shadow: 0 0 0 .2rem rgba(47, 91, 234, .15); }
.form-text { font-size: .8rem; }
.ds4u-counter { font-size: .8rem; color: var(--bs-secondary-color); display: flex; gap: 1rem; flex-wrap: wrap; }

.table { --bs-table-bg: transparent; vertical-align: middle; }
.table > thead th { font-size: .8rem; text-transform: uppercase; letter-spacing: .03em; color: var(--bs-secondary-color); font-weight: 600; white-space: nowrap; border-bottom-width: 1px; }
.table-responsive { border-radius: var(--ds4u-radius); }
div.dt-container .dt-paging .dt-paging-button { border-radius: .4rem !important; }
div.dt-container { font-size: .925rem; }
.badge { font-weight: 600; }
.badge-soft-success { background: #e3f8ef; color: #12945a; }
.badge-soft-danger { background: #ffe8e8; color: #c62828; }
.badge-soft-warning { background: #fff3dc; color: #b26a00; }
.badge-soft-secondary { background: rgba(127, 140, 170, .15); color: var(--bs-secondary-color); }
.badge-soft-primary { background: var(--ds4u-primary-50); color: var(--ds4u-primary); }

.ds4u-filters { display: grid; gap: .75rem; grid-template-columns: 1fr; align-items: end; }
@media (min-width: 576px) { .ds4u-filters { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 992px) { .ds4u-filters { grid-template-columns: repeat(4, minmax(0, 1fr)); } }

.ds4u-empty { text-align: center; padding: 2.5rem 1rem; color: var(--bs-secondary-color); }
.ds4u-empty i { font-size: 2rem; display: block; margin-bottom: .5rem; }

.ds4u-dropzone {
    border: 2px dashed var(--ds4u-border); border-radius: var(--ds4u-radius); padding: 1.75rem 1rem;
    text-align: center; cursor: pointer; transition: border-color .15s, background .15s;
}
.ds4u-dropzone:hover, .ds4u-dropzone.dragover { border-color: var(--ds4u-primary); background: var(--ds4u-primary-50); }

.btn .spinner-border { width: 1rem; height: 1rem; border-width: .15em; }
.ds4u-toasts { z-index: 1090; }
code.ds4u-code, pre.ds4u-code { background: rgba(127, 140, 170, .12); border-radius: .4rem; padding: .15rem .4rem; }
pre.ds4u-code { padding: .9rem 1rem; white-space: pre-wrap; word-break: break-all; }

/* ------------------------------------------------------------- auth pages */
body.ds4u-auth { background: var(--ds4u-body-bg); }
.ds4u-auth__wrap { min-height: 100vh; display: grid; grid-template-columns: 1fr; }
@media (min-width: 992px) { .ds4u-auth__wrap { grid-template-columns: 1.05fr 1fr; } }
.ds4u-auth__aside {
    flex-direction: column; justify-content: space-between; padding: 3rem; color: #fff;
    background: radial-gradient(1200px 600px at -10% -10%, rgba(19, 181, 166, .35), transparent 60%),
                linear-gradient(160deg, #0f1b3d 0%, #1b2f6e 55%, #2f5bea 100%);
}
.ds4u-auth__logo { display: flex; align-items: center; gap: .75rem; font-weight: 700; font-size: 1.25rem; }
.ds4u-auth__logo img { max-height: 48px; }
.ds4u-auth__headline { font-size: 2.25rem; font-weight: 800; line-height: 1.15; margin: 3rem 0 1.5rem; }
.ds4u-auth__points { list-style: none; padding: 0; margin: 0; display: grid; gap: .85rem; font-size: 1.05rem; opacity: .95; }
.ds4u-auth__points i { margin-right: .5rem; color: #7ee3d8; }
.ds4u-auth__panel { display: grid; place-items: center; padding: 2rem 1rem; }
.ds4u-auth__card { width: 100%; max-width: 420px; }
.ds4u-auth__card h1 { font-size: 1.6rem; font-weight: 800; }
.ds4u-otp { display: flex; gap: .5rem; justify-content: space-between; }
.ds4u-otp input { width: 3rem; height: 3.25rem; text-align: center; font-size: 1.35rem; font-weight: 700; }
.ds4u-captcha { display: flex; gap: .5rem; align-items: center; }
.ds4u-captcha img { border-radius: .5rem; border: 1px solid var(--ds4u-border); background: #eef2f7; }

@media print {
    .ds4u-sidebar, .ds4u-topbar, .ds4u-footer, .ds4u-alertbar, .btn { display: none !important; }
    .ds4u-main { margin: 0 !important; }
}

/* ---------- My services (/Services) ---------- */
.ds4u-service { transition: box-shadow .15s ease, transform .15s ease; }
.ds4u-service--on:hover { box-shadow: 0 .5rem 1.25rem rgba(20, 30, 60, .08); transform: translateY(-2px); }
.ds4u-service--off { opacity: .85; }
.ds4u-service__mark { font-size: 1.5rem; line-height: 1; }

/* =====================================================================
   Compose pages (Send SMS / WhatsApp / RCS): one screen
   [Campaign details | phone preview]  [Contacts & file upload]  [options + Send]
   ===================================================================== */
.cmp .card { border-radius: .7rem; }
.cmp .card-header { display: flex; align-items: center; gap: .5rem; padding: .5rem .9rem; font-size: .86rem; font-weight: 600; background: transparent; border-bottom: 1px solid var(--ds4u-border); }
.cmp .card-header > i:first-child { color: var(--ds4u-primary); }
.cmp .card-body { padding: .75rem .9rem; }
.cmp .form-label { font-size: .74rem; font-weight: 600; margin-bottom: .2rem; color: var(--bs-body-color); }
.cmp .form-label .req { color: var(--bs-danger); }
.cmp .form-control, .cmp .form-select { font-size: .84rem; }
.cmp .cmp-hint { font-size: .68rem; color: var(--bs-secondary-color); margin-top: .15rem; line-height: 1.25; }
.cmp .cmp-meta { font-size: .68rem; color: var(--bs-secondary-color); font-weight: 500; white-space: nowrap; }
.cmp textarea.cmp-area { height: 132px; resize: vertical; font-size: .84rem; }
.cmp textarea.cmp-numbers { font-family: var(--bs-font-monospace); font-size: .78rem; }
.cmp .btn-pick { width: 100%; border-style: solid; border-width: 1.5px; font-weight: 600; font-size: .84rem; }
.cmp .cmp-chips { display: flex; flex-wrap: wrap; gap: .4rem; align-items: center; }
.cmp .cmp-chip { display: inline-flex; align-items: center; gap: .3rem; border: 1px solid var(--ds4u-border); border-radius: 999px; padding: .12rem .6rem; font-size: .72rem; font-weight: 600; background: var(--ds4u-surface); }
.cmp .cmp-chip strong { font-weight: 700; color: var(--ds4u-primary); }
.cmp .cmp-chip .btn-link { padding: 0; line-height: 1; color: var(--bs-danger); }
.cmp .cmp-total { font-size: .76rem; font-weight: 600; color: var(--ds4u-primary); white-space: nowrap; }
.cmp .cmp-options { display: flex; flex-wrap: wrap; align-items: center; gap: .6rem 1.6rem; }
.cmp .cmp-options .form-check { margin: 0; font-size: .8rem; font-weight: 600; }
.cmp .cmp-sendbar { display: flex; flex-wrap: wrap; justify-content: center; gap: .5rem; padding-top: .7rem; margin-top: .7rem; border-top: 1px solid var(--ds4u-border); }
.cmp .cmp-sendbar .btn { min-width: 140px; font-weight: 600; }
.cmp .cmp-schedule { display: flex; gap: .4rem; align-items: center; }
.cmp .ds4u-dropzone.cmp-drop { padding: .35rem .5rem; font-size: .7rem; margin-top: .3rem; }
/* phone preview */
.cmp-phone { width: 100%; max-width: 250px; margin: 0 auto; border: 8px solid #1f2430; border-radius: 30px; background: #f4f6fb; overflow: hidden; box-shadow: 0 8px 24px -10px rgba(15, 27, 61, .45); }
.cmp-phone__status { display: flex; justify-content: space-between; padding: .2rem .8rem; font-size: .62rem; background: #fff; color: #333; }
.cmp-phone__bar { display: flex; align-items: center; gap: .45rem; padding: .4rem .6rem; background: #fff; border-bottom: 1px solid #eceff5; color: #222; }
.cmp-phone__avatar { width: 28px; height: 28px; border-radius: 50%; background: #3b6cf6; color: #fff; display: grid; place-items: center; font-weight: 700; font-size: .75rem; flex: 0 0 auto; }
.cmp-phone__name { font-weight: 600; font-size: .78rem; line-height: 1.1; }
.cmp-phone__sub { font-size: .62rem; color: #6b7280; }
.cmp-phone__screen { height: 300px; overflow-y: auto; padding: .55rem .5rem; }
.cmp-phone__day { text-align: center; font-size: .6rem; color: #8a94a6; margin-bottom: .4rem; }
.cmp-bubble { background: #e9ecf3; color: #1f2937; border-radius: 14px 14px 14px 4px; padding: .45rem .6rem; font-size: .74rem; white-space: pre-wrap; word-break: break-word; max-width: 94%; }
.cmp-bubble .var { background: #fff3cd; color: #8a6d00; border-radius: 4px; padding: 0 .2rem; font-size: .68rem; }
.cmp-bubble__time { font-size: .58rem; color: #8a94a6; margin-top: .2rem; padding-left: .2rem; }
.cmp-phone__input { display: flex; align-items: center; gap: .4rem; padding: .35rem .5rem; background: #fff; border-top: 1px solid #eceff5; font-size: .68rem; color: #9aa3b5; }
.cmp-phone__input span { flex: 1; border: 1px solid #e3e7ef; border-radius: 999px; padding: .18rem .6rem; }
.cmp-phone--wa .cmp-phone__bar { background: #075e54; color: #fff; border: 0; }
.cmp-phone--wa .cmp-phone__sub { color: #cfe9e4; }
.cmp-phone--wa .cmp-phone__screen { background: #efeae2; }
.cmp-phone--wa .cmp-bubble { background: #fff; border-radius: 4px 12px 12px 12px; box-shadow: 0 1px 1px rgba(0, 0, 0, .08); }
[data-bs-theme="dark"] .cmp-phone { border-color: #000; }
/* Roomy compose variant: clearer labels, more air between fields (Send SMS / WhatsApp / RCS) */
.cmp--roomy .card-body { padding: 1rem 1.15rem; }
.cmp--roomy .card-header { padding: .65rem 1.15rem; font-size: .92rem; }
.cmp--roomy .form-label { font-size: .8rem; margin-bottom: .3rem; }
.cmp--roomy .form-control, .cmp--roomy .form-select { font-size: .88rem; min-height: 38px; }
.cmp--roomy .row.g-3 { --bs-gutter-y: 1rem; }
.cmp--roomy textarea.cmp-area { height: 150px; }
.cmp--roomy .cmp-hint { font-size: .72rem; margin-top: .25rem; }
.cmp--roomy .cmp-counter { display: flex; flex-wrap: wrap; gap: .3rem .9rem; font-size: .74rem; margin-top: .35rem; color: var(--bs-secondary-color); }
.cmp--roomy .cmp-options { padding: .3rem 0; }
.cmp--roomy .cmp-sendbar .btn { min-width: 170px; }
.cmp--roomy .cmp-section-title { font-size: .7rem; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; color: var(--bs-secondary-color); margin: .2rem 0 .6rem; }
/* Many To Many sheet preview (scrolls inside its box) */
.cmp .cmp-sheet { border: 1px solid var(--ds4u-border); border-radius: .5rem; height: 150px; max-height: 260px; overflow: auto; background: var(--ds4u-surface); resize: vertical; }
.cmp .cmp-sheet table { margin: 0; font-size: .74rem; white-space: nowrap; }
.cmp .cmp-sheet thead th { position: sticky; top: 0; background: var(--bs-tertiary-bg); z-index: 1; font-weight: 600; }
.cmp .cmp-sheet td, .cmp .cmp-sheet th { padding: .25rem .5rem; }
.cmp-preview-note { text-align: center; font-size: .66rem; color: var(--bs-secondary-color); margin-top: .4rem; }
@media (min-width: 1200px) { .cmp-preview-col { border-left: 1px dashed var(--ds4u-border); } }

/* =====================================================================
   Report pages (_ReportsNav): breadcrumb + [date range | report buttons | actions] + "Filter Records"
   ===================================================================== */
.rpt-head { display: flex; align-items: center; flex-wrap: wrap; gap: .5rem; padding: .6rem .9rem; margin-bottom: .75rem; background: var(--ds4u-surface); border: 1px solid #b9cbe8; border-radius: .5rem; font-size: 1rem; color: #3a4a66; }
.rpt-head i { color: #5a7bb5; margin-right: .2rem; }
.rpt-head__sep { color: #9aa7bd; }
/* report pages only show data: every download / export button is hidden (Download Center has them) */
.rpt-page :is(a, button):has(> .bi-download, > .bi-cloud-download, > .bi-cloud-arrow-down, > .bi-filetype-csv, > .bi-file-earmark-excel, > .bi-file-earmark-arrow-down) { display: none !important; }
.rpt-bar { display: flex; flex-wrap: wrap; align-items: center; gap: .6rem; margin-bottom: .75rem; }
.rpt-range { display: inline-flex; align-items: center; gap: .45rem; padding: .45rem .8rem; min-width: 230px; background: var(--ds4u-surface); border: 1px solid var(--ds4u-border); border-radius: .55rem; box-shadow: var(--ds4u-shadow); cursor: pointer; margin: 0 .6rem 0 0; font-size: .86rem; }
.rpt-range input { border: 0; outline: 0; background: transparent; flex: 1 1 auto; min-width: 0; font-weight: 500; cursor: pointer; color: var(--bs-body-color); }
.rpt-range .rpt-range__alt { border: 0; outline: 0; background: transparent; width: 100%; font-weight: 500; cursor: pointer; color: var(--bs-body-color); }
.rpt-btns { display: flex; flex-wrap: wrap; align-items: center; gap: .55rem; }
.rpt-tabs { display: flex; flex-wrap: wrap; gap: .55rem; margin: 0; padding: 0; list-style: none; border: 0; }
.rpt-tabs .nav-item { margin: 0; }
.rpt-btn, .rpt-tabs .nav-link { display: inline-flex; align-items: center; justify-content: center; gap: .45rem; min-width: 118px; padding: .5rem 1rem; border: 0 !important; border-radius: .55rem !important; background: #eceff3 !important; color: #3d4756 !important; font-size: .86rem; font-weight: 500; text-decoration: none; white-space: nowrap; transition: background .15s, color .15s; }
.rpt-btn:hover, .rpt-tabs .nav-link:hover { background: #e1e6ec !important; color: #1f2937 !important; }
.rpt-btn.active, .rpt-tabs .nav-link.active { background: #2f6650 !important; color: #fff !important; box-shadow: 0 4px 10px -6px rgba(31, 79, 60, .8); }
[data-bs-theme="dark"] .rpt-btn, [data-bs-theme="dark"] .rpt-tabs .nav-link { background: #1d2738 !important; color: #c7d0e0 !important; }
.rpt-filter { overflow: hidden; }
.rpt-filter__head { display: flex; align-items: center; justify-content: space-between; width: 100%; padding: .6rem .95rem; border: 0; background: #f3f5f8; font-weight: 500; font-size: .9rem; color: #2d3748; text-align: left; }
[data-bs-theme="dark"] .rpt-filter__head { background: #182234; color: #d6deeb; }
.rpt-filter__head i.bi-funnel-fill { margin-right: .3rem; }
.rpt-filter__head .bi-chevron-down { transition: transform .2s; }
.rpt-filter__head.open .bi-chevron-down { transform: rotate(180deg); }

/* =====================================================================
   Compact density - more on one screen, less scrolling (all pages)
   ===================================================================== */
:root { --ds4u-topbar-h: 56px; }
.ds4u-content { padding: .9rem .9rem 1.5rem; }
@media (min-width: 992px) { .ds4u-content { padding: 1rem 1.25rem 1.75rem; } }
.ds4u-topbar__title { font-size: 1rem; }
.ds4u-icon-btn { width: 36px; height: 36px; }
.ds4u-chip { padding: .22rem .6rem; font-size: .8rem; }
.ds4u-avatar { width: 30px; height: 30px; }
.ds4u-nav { padding: .5rem .6rem 1.5rem; }
.ds4u-nav__link { padding: .45rem .7rem; font-size: .9rem; }
.ds4u-nav__sub a { padding: .32rem .7rem; font-size: .85rem; }
.ds4u-page-head { margin-bottom: .75rem; gap: .5rem .75rem; }
.ds4u-page-head h2 { font-size: 1.12rem; }
.ds4u-page-head p { font-size: .8rem; margin-top: .05rem; }
.ds4u-page-head .btn { padding: .3rem .7rem; font-size: .82rem; }
.card-header { padding: .6rem .9rem; font-size: .9rem; }
.card-body { padding: .85rem .9rem; }
@media (min-width: 768px) { .card-body { padding: .95rem 1rem; } }
.card.mb-3, .row.mb-3, .mb-3.card { margin-bottom: .75rem !important; }
.row.g-3 { --bs-gutter-x: .85rem; --bs-gutter-y: .85rem; }
.form-label { font-size: .8rem; margin-bottom: .2rem; }
.form-control, .form-select { font-size: .875rem; }
.form-control:not(textarea):not(.form-control-lg), .form-select:not(.form-select-lg) { padding-top: .32rem; padding-bottom: .32rem; }
.form-text { font-size: .72rem; margin-top: .15rem; }
.btn { font-size: .875rem; }
.ds4u-filters { gap: .5rem .6rem; }
@media (min-width: 1200px) { .ds4u-filters { grid-template-columns: repeat(6, minmax(0, 1fr)); } }
.table > thead th { font-size: .72rem; padding-top: .45rem; padding-bottom: .45rem; }
.table > tbody td { padding-top: .4rem; padding-bottom: .4rem; font-size: .85rem; }
div.dt-container { font-size: .85rem; }
div.dt-container .dt-length, div.dt-container .dt-search, div.dt-container .dt-info, div.dt-container .dt-paging { font-size: .8rem; }
.ds4u-stat__icon { width: 40px; height: 40px; font-size: 1.15rem; }
.ds4u-stat__value { font-size: 1.25rem; }
.ds4u-empty { padding: 1.5rem 1rem; }
.ds4u-footer { padding: .6rem 1rem; font-size: .78rem; }
.modal-header { padding: .7rem 1rem; }
.modal-body { padding: .9rem 1rem; }
.modal-footer { padding: .55rem 1rem; }

/* =====================================================================
   Phones / small tablets
   ===================================================================== */
@media (max-width: 767.98px) {
    .ds4u-content { padding: .6rem .55rem 5rem; }
    .ds4u-topbar { padding: 0 .5rem; gap: .25rem; }
    .ds4u-topbar__title { font-size: .95rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
    .ds4u-page-head { flex-direction: column; align-items: stretch; }
    .ds4u-page-head .ds4u-actions { margin-left: 0; }
    .ds4u-page-head .ds4u-actions .btn { flex: 1 1 auto; }
    .card { border-radius: .6rem; }
    .card-header { flex-wrap: wrap; }
    .table-responsive, div.dt-container .dt-layout-table { overflow-x: auto; -webkit-overflow-scrolling: touch; }
    div.dt-container .dt-layout-row { flex-wrap: wrap; gap: .4rem; }
    div.dt-container .dt-search input { width: 100% !important; margin-left: 0 !important; }
    .modal-dialog { margin: .5rem; }
    .rpt-range { width: 100%; margin-right: 0; }
    .rpt-btn, .rpt-tabs .nav-link { min-width: 0; flex: 1 1 auto; padding: .45rem .7rem; }
    .rpt-btns, .rpt-tabs { width: 100%; }
    .ds4u-alertbar { font-size: .78rem; }
    /* compose pages: phone preview at the end, smaller; Send button always reachable */
    .cmp-preview-col { order: 5; }
    .cmp-phone__screen, .rcs-phone__screen { height: 240px !important; }
    .cmp .cmp-sendbar { position: sticky; bottom: 0; z-index: 10; background: var(--ds4u-surface); margin: .5rem -.9rem -.85rem; padding: .55rem; border-radius: 0 0 .6rem .6rem; box-shadow: 0 -6px 14px -10px rgba(15, 27, 61, .35); }
    .cmp .cmp-sendbar .btn { flex: 1 1 auto; }
    .cmp .cmp-options { gap: .5rem 1rem; }
    input, select, textarea { font-size: 16px !important; }   /* iOS: no zoom on focus */
}

/* Download Center */
.dlc-range { display: flex; flex-wrap: wrap; align-items: center; gap: .6rem; margin-bottom: .9rem; }
.dlc-grid { display: grid; gap: .9rem; grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); }
.dlc-card .card-header { display: flex; align-items: center; gap: .5rem; }
.dlc-card .card-header i { color: var(--ds4u-primary); }
.dlc-row { display: flex; align-items: center; gap: .75rem; padding: .6rem 0; border-bottom: 1px dashed var(--ds4u-border); }
.dlc-row:last-child { border-bottom: 0; }
.dlc-row > div { flex: 1 1 auto; min-width: 0; }
.dlc-row strong { display: block; font-size: .88rem; }
.dlc-row small { display: block; color: var(--bs-secondary-color); font-size: .74rem; }
.dlc-row .btn { white-space: nowrap; }
@media (max-width: 575.98px) { .dlc-grid { grid-template-columns: 1fr; } }