/* ==========================================================================
   FeedTrack Pro — Design System
   ========================================================================== */

:root {
    /* ---------- Brand palette ---------- */
    --color-primary: #0f6e5f;
    --color-primary-rgb: 15, 110, 95;
    --color-primary-dark: #0a4f44;
    --color-primary-light: #e3f2ef;
    --color-secondary: #d97e2b;
    --color-secondary-rgb: 217, 126, 43;
    --color-secondary-dark: #b8641c;
    --color-secondary-light: #fbead9;

    /* ---------- Neutrals ---------- */
    --color-ink: #16221f;
    --color-gray-900: #1e2b28;
    --color-gray-700: #4b5a56;
    --color-gray-500: #7c8d89;
    --color-gray-300: #d9e2df;
    --color-gray-200: #e8edeb;
    --color-gray-100: #f3f6f5;
    --color-white: #ffffff;

    /* ---------- Semantic ---------- */
    --color-success: #0f6e5f;
    --color-success-rgb: 15, 110, 95;
    --color-warning: #d9a021;
    --color-warning-rgb: 217, 160, 33;
    --color-danger: #c0392b;
    --color-danger-rgb: 192, 57, 43;
    --color-info: #2f7ec4;
    --color-info-rgb: 47, 126, 196;

    /* ---------- Sidebar ---------- */
    --sidebar-width: 250px;
    --sidebar-width-collapsed: 70px;
    --sidebar-bg: #122420;
    --sidebar-bg-active: #1b352e;
    --brand-color: var(--color-primary);

    /* ---------- Typography ---------- */
    --font-heading: "Plus Jakarta Sans", "Segoe UI", Arial, sans-serif;
    --font-body: "Inter", "Segoe UI", Arial, sans-serif;

    /* ---------- Surface ---------- */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --shadow-sm: 0 1px 2px rgba(22, 34, 31, 0.06), 0 1px 3px rgba(22, 34, 31, 0.06);
    --shadow-md: 0 4px 10px rgba(22, 34, 31, 0.08), 0 2px 4px rgba(22, 34, 31, 0.06);
    --shadow-lg: 0 12px 28px rgba(22, 34, 31, 0.14);

    /* ---------- Bootstrap overrides (root-level, used by rgba() utilities) ---------- */
    --bs-primary: var(--color-primary);
    --bs-primary-rgb: var(--color-primary-rgb);
    --bs-success: var(--color-success);
    --bs-success-rgb: var(--color-success-rgb);
    --bs-warning: var(--color-warning);
    --bs-warning-rgb: var(--color-warning-rgb);
    --bs-danger: var(--color-danger);
    --bs-danger-rgb: var(--color-danger-rgb);
    --bs-info: var(--color-info);
    --bs-info-rgb: var(--color-info-rgb);
    --bs-link-color: var(--color-primary);
    --bs-link-hover-color: var(--color-primary-dark);
    --bs-link-color-rgb: var(--color-primary-rgb);
    --bs-body-font-family: var(--font-body);
    --bs-border-radius: var(--radius-sm);
    --bs-border-radius-lg: var(--radius-md);
}

/* ==========================================================================
   Base
   ========================================================================== */

html, body {
    height: 100%;
    background-color: var(--color-gray-100);
}

body {
    margin: 0;
    font-family: var(--font-body);
    color: var(--color-ink);
    font-size: 0.925rem;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--color-gray-900);
    letter-spacing: -0.01em;
}

h4 { font-size: 1.3rem; }
h5 { font-size: 1.08rem; }
h6 { font-size: 0.95rem; }

label, .form-label {
    font-weight: 600;
    font-size: 0.82rem;
    color: var(--color-gray-700);
    text-transform: uppercase;
    letter-spacing: 0.03em;
    margin-bottom: 0.3rem;
}

.text-muted { color: var(--color-gray-500) !important; }

a { transition: color 0.15s ease; }

/* ==========================================================================
   Bootstrap component re-theme
   ========================================================================== */

.btn {
    font-weight: 600;
    border-radius: var(--radius-sm);
    transition: transform 0.12s ease, box-shadow 0.12s ease, background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0) scale(0.98); }
.btn:focus { box-shadow: 0 0 0 0.2rem rgba(var(--color-primary-rgb), 0.25); }

.btn-success {
    --bs-btn-bg: var(--color-primary);
    --bs-btn-border-color: var(--color-primary);
    --bs-btn-hover-bg: var(--color-primary-dark);
    --bs-btn-hover-border-color: var(--color-primary-dark);
    --bs-btn-active-bg: var(--color-primary-dark);
    --bs-btn-active-border-color: var(--color-primary-dark);
    --bs-btn-disabled-bg: var(--color-primary);
    --bs-btn-disabled-border-color: var(--color-primary);
    box-shadow: var(--shadow-sm);
}

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

.btn-primary {
    --bs-btn-bg: var(--color-secondary);
    --bs-btn-border-color: var(--color-secondary);
    --bs-btn-hover-bg: var(--color-secondary-dark);
    --bs-btn-hover-border-color: var(--color-secondary-dark);
    --bs-btn-active-bg: var(--color-secondary-dark);
    --bs-btn-active-border-color: var(--color-secondary-dark);
    box-shadow: var(--shadow-sm);
}

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

.btn-secondary {
    --bs-btn-bg: var(--color-gray-500);
    --bs-btn-border-color: var(--color-gray-500);
    --bs-btn-hover-bg: var(--color-gray-700);
    --bs-btn-hover-border-color: var(--color-gray-700);
}

.btn-outline-secondary {
    --bs-btn-color: var(--color-gray-700);
    --bs-btn-border-color: var(--color-gray-300);
    --bs-btn-hover-bg: var(--color-gray-700);
    --bs-btn-hover-border-color: var(--color-gray-700);
}

.btn-danger, .btn-outline-danger {
    --bs-btn-color: var(--color-danger);
    --bs-btn-border-color: var(--color-danger);
    --bs-btn-bg: var(--color-danger);
    --bs-btn-hover-bg: #a4291d;
    --bs-btn-hover-border-color: #a4291d;
    --bs-btn-active-bg: #a4291d;
}

.btn-outline-danger { --bs-btn-bg: transparent; }

.badge.bg-success, .text-bg-success { background-color: var(--color-success) !important; }
.badge.bg-warning, .text-bg-warning { background-color: var(--color-warning) !important; color: #fff !important; }
.badge.bg-danger, .text-bg-danger { background-color: var(--color-danger) !important; }
.badge.bg-primary, .text-bg-primary { background-color: var(--color-primary) !important; }
.badge.bg-info, .text-bg-info { background-color: var(--color-info) !important; }
.badge.bg-secondary, .text-bg-secondary { background-color: var(--color-gray-500) !important; }

.nav-tabs { border-bottom-color: var(--color-gray-300); }
.nav-tabs .nav-link {
    font-weight: 600;
    color: var(--color-gray-700);
    border: none;
    border-bottom: 2px solid transparent;
    transition: color 0.15s ease, border-color 0.15s ease;
}
.nav-tabs .nav-link:hover { border-color: var(--color-gray-300); color: var(--color-primary); }
.nav-tabs .nav-link.active {
    color: var(--color-primary);
    background: transparent;
    border-color: var(--color-primary);
}

.form-control, .form-select {
    border-color: var(--color-gray-300);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.form-control:focus, .form-select:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 0.2rem rgba(var(--color-primary-rgb), 0.15);
}

.form-control.is-invalid, .was-validated .form-control:invalid,
.form-select.is-invalid, .was-validated .form-select:invalid {
    border-color: var(--color-danger);
}
.form-control.is-invalid:focus, .form-select.is-invalid:focus {
    box-shadow: 0 0 0 0.2rem rgba(var(--color-danger-rgb), 0.15);
}
.invalid-feedback { font-size: 0.78rem; font-weight: 500; }

.select2-container--bootstrap-5 .select2-selection {
    border-color: var(--color-gray-300) !important;
    border-radius: var(--radius-sm) !important;
}
.select2-container--bootstrap-5.select2-container--focus .select2-selection,
.select2-container--bootstrap-5.select2-container--open .select2-selection {
    border-color: var(--color-primary) !important;
    box-shadow: 0 0 0 0.2rem rgba(var(--color-primary-rgb), 0.15) !important;
}
.select2-container--bootstrap-5 .select2-results__option--highlighted[aria-selected] {
    background-color: var(--color-primary) !important;
}

.page-link { color: var(--color-primary); }
.page-item.active .page-link { background-color: var(--color-primary); border-color: var(--color-primary); }

.table > :not(caption) > * > * { font-size: 0.88rem; }
.table-hover > tbody > tr:hover > * { background-color: var(--color-primary-light); }
.table thead th {
    font-family: var(--font-heading);
    font-size: 0.74rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--color-gray-700);
    border-bottom-width: 1px;
}

.dataTables_wrapper .dataTables_paginate .paginate_button.current,
.dataTables_wrapper .dataTables_paginate .paginate_button.current:hover {
    background: var(--color-primary) !important;
    border-color: var(--color-primary) !important;
    color: #fff !important;
}
.dataTables_wrapper .dataTables_paginate .paginate_button:hover {
    background: var(--color-primary-light) !important;
    border-color: var(--color-primary-light) !important;
    color: var(--color-primary) !important;
}

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

.app-sidebar {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: var(--sidebar-width);
    background-color: var(--sidebar-bg);
    color: #fff;
    z-index: 1040;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
    overflow-y: auto;
    transition: width 0.25s cubic-bezier(0.4, 0, 0.2, 1), transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--shadow-lg);
}

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 1.1rem 1rem;
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 700;
    color: #fff;
    border-bottom: 1px solid rgba(255,255,255,0.08);
    white-space: nowrap;
}

.sidebar-brand .bi {
    font-size: 1.4rem;
    color: var(--color-secondary);
    flex-shrink: 0;
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
    padding: 0.6rem 0.5rem;
    gap: 0.1rem;
}

.sidebar-nav .nav-link {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    padding: 0.65rem 0.75rem;
    color: rgba(255,255,255,0.72);
    text-decoration: none;
    white-space: nowrap;
    border-radius: var(--radius-sm);
    border-left: 3px solid transparent;
    font-size: 0.9rem;
    font-weight: 500;
    transition: background-color 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.sidebar-nav .nav-link:hover {
    background-color: var(--sidebar-bg-active);
    color: #fff;
}

.sidebar-nav .nav-link.active {
    background-color: var(--sidebar-bg-active);
    color: #fff;
    border-left-color: var(--color-secondary);
    font-weight: 600;
}

.sidebar-nav .nav-link.active .bi:first-child { color: var(--color-secondary); }

.sidebar-nav .nav-link .bi {
    font-size: 1.1rem;
    width: 1.4rem;
    text-align: center;
    flex-shrink: 0;
    transition: color 0.15s ease;
}

.sidebar-nav .submenu-caret {
    margin-left: auto;
    font-size: 0.8rem;
    transition: transform 0.2s ease;
}

.sidebar-nav .nav-link[aria-expanded="true"] .submenu-caret {
    transform: rotate(180deg);
}

.sidebar-nav .nav-sublink {
    padding-left: 2.5rem;
    font-size: 0.85rem;
}

.sidebar-nav .nav-sublink .bi-dot {
    font-size: 1.4rem;
    width: 1.4rem;
}

/* ==========================================================================
   Main area / topbar
   ========================================================================== */

.app-main {
    margin-left: var(--sidebar-width);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    transition: margin-left 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.app-topbar {
    display: flex;
    align-items: center;
    gap: 1rem;
    background-color: #fff;
    border-bottom: 1px solid var(--color-gray-200);
    padding: 0.6rem 1.1rem;
    position: sticky;
    top: 0;
    z-index: 1030;
}

.btn-sidebar-toggle {
    background: none;
    border: none;
    font-size: 1.4rem;
    color: var(--color-gray-700);
    line-height: 1;
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
    transition: background-color 0.15s ease, color 0.15s ease;
}
.btn-sidebar-toggle:hover { background-color: var(--color-gray-100); color: var(--color-primary); }

.topbar-brand {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.05rem;
    color: var(--color-gray-900);
}

.topbar-user {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 0.6rem;
    color: var(--color-gray-700);
    font-weight: 500;
}

.topbar-user .bi-person-circle { font-size: 1.3rem; color: var(--color-primary); }

.btn-logout {
    color: var(--color-danger);
    font-size: 1.2rem;
    margin-left: 0.4rem;
    transition: transform 0.15s ease;
}
.btn-logout:hover { transform: scale(1.12); }

.app-content { padding: 1.25rem; flex: 1; }

.app-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(16, 26, 24, 0.5);
    z-index: 1035;
}

/* ---------- Desktop manual collapse ---------- */
body.sidebar-collapsed .app-sidebar { width: var(--sidebar-width-collapsed); }
body.sidebar-collapsed .app-main { margin-left: var(--sidebar-width-collapsed); }
body.sidebar-collapsed .brand-label,
body.sidebar-collapsed .link-label { display: none; }

/* ---------- Tablet: icon-only automatically ---------- */
@media (max-width: 991.98px) and (min-width: 768px) {
    .app-sidebar { width: var(--sidebar-width-collapsed); }
    .app-main { margin-left: var(--sidebar-width-collapsed); }
    .brand-label, .link-label { display: none; }

    body.sidebar-collapsed .app-sidebar { width: var(--sidebar-width); }
    body.sidebar-collapsed .app-main { margin-left: var(--sidebar-width); }
    body.sidebar-collapsed .brand-label,
    body.sidebar-collapsed .link-label { display: inline; }
}

/* ---------- Mobile: off-canvas drawer ---------- */
@media (max-width: 767.98px) {
    .app-sidebar { width: var(--sidebar-width); transform: translateX(-100%); }
    .app-main { margin-left: 0; }
    body.sidebar-open .app-sidebar { transform: translateX(0); }
    body.sidebar-open .app-backdrop { display: block; }
    .brand-label, .link-label { display: inline; }
    .app-content { padding: 0.85rem; }
    .app-topbar { padding: 0.5rem 0.75rem; }
}

/* ==========================================================================
   Cards / panels
   ========================================================================== */

.card {
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: box-shadow 0.2s ease;
}

.card-header {
    background-color: #fff;
    border-bottom: 1px solid var(--color-gray-200);
    border-radius: var(--radius-md) var(--radius-md) 0 0 !important;
    font-family: var(--font-heading);
    font-weight: 700;
    padding: 0.9rem 1.1rem;
}

.card-body { padding: 1.1rem; }

/* KPI card */
.kpi-card {
    background: #fff;
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    padding: 1.1rem 1.25rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: transform 0.18s ease, box-shadow 0.18s ease;
}
.kpi-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }

.kpi-card .kpi-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    flex-shrink: 0;
    background: var(--color-primary-light);
    color: var(--color-primary);
}

.kpi-card .kpi-icon.kpi-icon-warn {
    background: rgba(var(--color-warning-rgb), 0.15);
    color: var(--color-warning);
}

.kpi-card .kpi-label {
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--color-gray-500);
    margin-bottom: 0.15rem;
}

.kpi-card .kpi-value {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-gray-900);
    line-height: 1.2;
}

/* ==========================================================================
   Modals — fade + slide-in
   ========================================================================== */

.modal-content {
    border: none;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
}

.modal-header {
    border-bottom: 1px solid var(--color-gray-200);
    font-family: var(--font-heading);
}

.modal.fade .modal-dialog {
    transform: translateY(-24px) scale(0.97);
    transition: transform 0.25s cubic-bezier(0.34, 1.2, 0.64, 1), opacity 0.2s ease;
    opacity: 0;
}

.modal.show .modal-dialog {
    transform: translateY(0) scale(1);
    opacity: 1;
}

/* ==========================================================================
   Empty state
   ========================================================================== */

.empty-state {
    text-align: center;
    padding: 3.5rem 1.5rem;
    border: 1.5px dashed var(--color-gray-300);
    border-radius: var(--radius-md);
    background-color: #fff;
    color: var(--color-gray-500);
}

.empty-state .bi {
    font-size: 2.75rem;
    display: block;
    margin-bottom: 0.75rem;
    color: var(--color-gray-300);
}

.empty-state strong { color: var(--color-gray-700); }

/* ==========================================================================
   Toast / snackbar notifications
   ========================================================================== */

.ftp-toast-stack {
    position: fixed;
    top: 1.1rem;
    right: 1.1rem;
    z-index: 1090;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    max-width: min(360px, calc(100vw - 2.2rem));
}

.ftp-toast {
    display: flex;
    align-items: flex-start;
    gap: 0.65rem;
    background: #fff;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-lg);
    padding: 0.8rem 0.95rem;
    border-left: 4px solid var(--color-info);
    font-size: 0.86rem;
    font-weight: 500;
    color: var(--color-gray-900);
    transform: translateX(120%);
    opacity: 0;
    transition: transform 0.3s cubic-bezier(0.34, 1.15, 0.64, 1), opacity 0.3s ease;
}

.ftp-toast.ftp-toast-in { transform: translateX(0); opacity: 1; }
.ftp-toast.ftp-toast-out { transform: translateX(120%); opacity: 0; }

.ftp-toast .bi { font-size: 1.15rem; flex-shrink: 0; margin-top: 0.05rem; }
.ftp-toast .ftp-toast-msg { flex: 1; line-height: 1.35; }
.ftp-toast .ftp-toast-close {
    background: none;
    border: none;
    color: var(--color-gray-500);
    font-size: 0.9rem;
    line-height: 1;
    padding: 0.1rem;
    flex-shrink: 0;
}

.ftp-toast-success { border-left-color: var(--color-success); }
.ftp-toast-success .bi { color: var(--color-success); }
.ftp-toast-error { border-left-color: var(--color-danger); }
.ftp-toast-error .bi { color: var(--color-danger); }
.ftp-toast-warning { border-left-color: var(--color-warning); }
.ftp-toast-warning .bi { color: var(--color-warning); }
.ftp-toast-info { border-left-color: var(--color-info); }
.ftp-toast-info .bi { color: var(--color-info); }

@media (max-width: 480px) {
    .ftp-toast-stack { left: 0.6rem; right: 0.6rem; top: 0.6rem; max-width: none; }
}

/* ==========================================================================
   Loading spinner / skeleton
   ========================================================================== */

.btn.ftp-loading {
    position: relative;
    color: transparent !important;
    pointer-events: none;
}

.btn.ftp-loading::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 1rem;
    height: 1rem;
    margin: -0.5rem 0 0 -0.5rem;
    border: 2px solid rgba(255,255,255,0.4);
    border-top-color: #fff;
    border-radius: 50%;
    animation: ftp-spin 0.6s linear infinite;
}

.btn.btn-outline-secondary.ftp-loading::after,
.btn.btn-outline-success.ftp-loading::after,
.btn.btn-outline-primary.ftp-loading::after,
.btn.btn-outline-danger.ftp-loading::after {
    border: 2px solid rgba(var(--color-primary-rgb), 0.25);
    border-top-color: var(--color-primary);
}

@keyframes ftp-spin {
    to { transform: rotate(360deg); }
}

.ftp-table-loading {
    position: relative;
    min-height: 140px;
}

.ftp-skeleton-row {
    height: 14px;
    border-radius: 4px;
    background: linear-gradient(90deg, var(--color-gray-200) 25%, var(--color-gray-100) 37%, var(--color-gray-200) 63%);
    background-size: 400% 100%;
    animation: ftp-skeleton 1.4s ease infinite;
    margin: 0.55rem 0;
}

@keyframes ftp-skeleton {
    0% { background-position: 100% 50%; }
    100% { background-position: 0 50%; }
}

/* ==========================================================================
   Misc utility
   ========================================================================== */

.fade-in { animation: ftp-fade-in 0.3s ease both; }
@keyframes ftp-fade-in {
    from { opacity: 0; transform: translateY(6px); }
    to { opacity: 1; transform: translateY(0); }
}

.kpi-value.counting { transition: none; }