/* ============================================================
   theme-dashboard.css — Modern light sidebar/header theme
   ============================================================ */

/* ---- Variables ---- */
:root {
    --sidebar-width: 250px;
    --sidebar-collapsed-width: 64px;
    --header-height: 56px;
    --sidebar-bg: #1e2a3a;
    --sidebar-text: #c8d6e5;
    --sidebar-link-hover: rgba(255,255,255,0.08);
    --sidebar-link-active-bg: #3b82f6;
    --sidebar-link-active-text: #fff;
    --header-bg: #ffffff;
    --header-border: #e5e7eb;
    --main-bg: #f3f4f6;
    --card-radius: 0.75rem;
}

/* ---- Reset site.css body margin to fit new layout ---- */
body.app-body {
    margin-bottom: 0 !important;
    min-height: 100vh;
    background-color: var(--main-bg);
    display: flex;
    flex-direction: column;
}

/* ============================================================
   TOP HEADER
   ============================================================ */
.top-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: var(--header-bg);
    border-bottom: 1px solid var(--header-border);
    display: flex;
    align-items: center;
    padding: 0 1rem;
    gap: 0.75rem;
    z-index: 1030;
    box-shadow: 0 1px 4px rgba(0,0,0,0.08);
}

.top-header .header-brand {
    font-weight: 700;
    font-size: 1.1rem;
    color: #1e2a3a;
    text-decoration: none;
    white-space: nowrap;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.top-header .header-brand:hover {
    color: var(--sidebar-link-active-bg);
}

.top-header .sidebar-toggle-btn {
    background: none;
    border: none;
    color: #4b5563;
    font-size: 1.25rem;
    cursor: pointer;
    padding: 0.25rem 0.5rem;
    border-radius: 0.375rem;
    line-height: 1;
    flex-shrink: 0;
}

.top-header .sidebar-toggle-btn:hover {
    background-color: #f3f4f6;
    color: #111827;
}

.top-header .header-spacer {
    flex: 1;
}

.top-header .header-search {
    max-width: 260px;
    flex: 1;
}

.top-header .header-search .form-control {
    font-size: 0.875rem;
    background-color: #f9fafb;
    border-color: #e5e7eb;
}

.top-header .header-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.top-header .header-icon-btn {
    background: none;
    border: none;
    color: #6b7280;
    font-size: 1.1rem;
    padding: 0.375rem 0.5rem;
    border-radius: 0.375rem;
    cursor: pointer;
    position: relative;
}

.top-header .header-icon-btn:hover {
    background-color: #f3f4f6;
    color: #111827;
}

/* ============================================================
   APP LAYOUT WRAPPER
   ============================================================ */
.app-layout {
    display: flex;
    min-height: 100vh;
    padding-top: var(--header-height);
}

/* ============================================================
   SIDEBAR
   ============================================================ */
.sidebar {
    position: fixed;
    top: var(--header-height);
    left: 0;
    bottom: 0;
    width: var(--sidebar-width);
    background: var(--sidebar-bg);
    overflow-x: hidden;
    overflow-y: auto;
    transition: width 0.25s ease, transform 0.25s ease;
    z-index: 1020;
    display: flex;
    flex-direction: column;
}

.sidebar::-webkit-scrollbar {
    width: 4px;
}

.sidebar::-webkit-scrollbar-thumb {
    background: rgba(255,255,255,0.15);
    border-radius: 2px;
}

.sidebar-nav {
    list-style: none;
    padding: 0.5rem 0;
    margin: 0;
    flex: 1;
}

.sidebar-nav .nav-section-label {
    font-size: 0.6875rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: #64748b;
    padding: 1rem 1.25rem 0.25rem;
    white-space: nowrap;
    overflow: hidden;
}

.sidebar-nav .nav-item a {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.6rem 1.25rem;
    color: var(--sidebar-text);
    text-decoration: none;
    font-size: 0.9rem;
    border-radius: 0;
    transition: background 0.15s, color 0.15s;
    white-space: nowrap;
    overflow: hidden;
}

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

.sidebar-nav .nav-item a.active {
    background-color: var(--sidebar-link-active-bg);
    color: var(--sidebar-link-active-text);
}

.sidebar-nav .nav-item .nav-icon {
    font-size: 1.05rem;
    flex-shrink: 0;
    width: 1.25rem;
    text-align: center;
}

.sidebar-nav .nav-item .nav-label {
    transition: opacity 0.2s;
}

/* Sidebar sub-menu (Management dropdown) */
.sidebar-submenu {
    list-style: none;
    padding: 0;
    margin: 0;
    background: rgba(0,0,0,0.15);
}

.sidebar-submenu .nav-item a {
    padding-left: 2.75rem;
    font-size: 0.85rem;
}

.sidebar-nav .nav-item .submenu-toggle {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.6rem 1.25rem;
    color: var(--sidebar-text);
    text-decoration: none;
    font-size: 0.9rem;
    cursor: pointer;
    background: none;
    border: none;
    width: 100%;
    white-space: nowrap;
    overflow: hidden;
    transition: background 0.15s, color 0.15s;
}

.sidebar-nav .nav-item .submenu-toggle:hover {
    background-color: var(--sidebar-link-hover);
    color: #fff;
}

.sidebar-nav .nav-item .submenu-toggle .chevron {
    margin-left: auto;
    font-size: 0.75rem;
    transition: transform 0.2s;
    flex-shrink: 0;
}

.sidebar-nav .nav-item .submenu-toggle.open .chevron {
    transform: rotate(90deg);
}

.sidebar-submenu.collapsed {
    display: none;
}

/* ============================================================
   COLLAPSED SIDEBAR STATE
   ============================================================ */
body.sidebar-collapsed .sidebar {
    width: var(--sidebar-collapsed-width);
}

body.sidebar-collapsed .sidebar-nav .nav-label,
body.sidebar-collapsed .sidebar-nav .nav-section-label,
body.sidebar-collapsed .sidebar-nav .submenu-toggle .nav-label,
body.sidebar-collapsed .sidebar-nav .submenu-toggle .chevron,
body.sidebar-collapsed .sidebar-submenu {
    opacity: 0;
    pointer-events: none;
    overflow: hidden;
    width: 0;
}

body.sidebar-collapsed .sidebar-nav .nav-item a,
body.sidebar-collapsed .sidebar-nav .nav-item .submenu-toggle {
    justify-content: center;
    padding-left: 0;
    padding-right: 0;
    gap: 0;
}

body.sidebar-collapsed .sidebar-nav .nav-item .nav-icon {
    width: auto;
}

/* ============================================================
   MAIN CONTENT AREA
   ============================================================ */
.main-content-wrapper {
    flex: 1;
    margin-left: var(--sidebar-width);
    transition: margin-left 0.25s ease;
    min-width: 0;
    display: flex;
    flex-direction: column;
    min-height: calc(100vh - var(--header-height));
}

body.sidebar-collapsed .main-content-wrapper {
    margin-left: var(--sidebar-collapsed-width);
}

.main-content-inner {
    flex: 1;
    padding: 1.5rem;
}

/* ============================================================
   FOOTER
   ============================================================ */
.app-footer {
    position: static !important;
    width: auto !important;
    line-height: normal !important;
    padding: 0.75rem 1.5rem;
    font-size: 0.875rem;
    color: #6b7280;
    border-top: 1px solid #e5e7eb;
    background: #fff;
}

/* ============================================================
   KPI CARDS
   ============================================================ */
.kpi-card {
    border: none;
    border-radius: var(--card-radius);
    color: #fff;
    overflow: hidden;
    position: relative;
    height: 100%;
}

.kpi-card .card-body {
    position: relative;
    z-index: 1;
    padding: 1.25rem 1.5rem;
}

.kpi-card .kpi-icon {
    font-size: 2.5rem;
    opacity: 0.25;
    position: absolute;
    right: 1rem;
    bottom: 0.5rem;
    z-index: 0;
}

.kpi-card .kpi-value {
    font-size: 2rem;
    font-weight: 700;
    line-height: 1.2;
    margin: 0.25rem 0 0;
}

.kpi-card .kpi-label {
    font-size: 0.85rem;
    opacity: 0.9;
    margin: 0;
}

.kpi-card .kpi-link {
    font-size: 0.8rem;
    color: rgba(255,255,255,0.8);
    text-decoration: none;
}

.kpi-card .kpi-link:hover {
    color: #fff;
    text-decoration: underline;
}

.kpi-bg-blue    { background: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%); }
.kpi-bg-green   { background: linear-gradient(135deg, #22c55e 0%, #15803d 100%); }
.kpi-bg-orange  { background: linear-gradient(135deg, #f97316 0%, #c2410c 100%); }
.kpi-bg-purple  { background: linear-gradient(135deg, #a855f7 0%, #7e22ce 100%); }

/* ============================================================
   CHART CARDS
   ============================================================ */
.chart-card {
    border: none;
    border-radius: var(--card-radius);
    box-shadow: 0 1px 3px rgba(0,0,0,0.07);
    background: #fff;
}

.chart-card .card-header {
    background: #fff;
    border-bottom: 1px solid #f3f4f6;
    font-weight: 600;
    font-size: 0.95rem;
    padding: 1rem 1.25rem;
    border-radius: var(--card-radius) var(--card-radius) 0 0;
}

.chart-card .card-body {
    padding: 1rem;
}

/* ============================================================
   LOGIN PAGE (dedicated _LoginLayout)
   ============================================================ */
body.login-body {
    overflow: hidden;
    height: 100vh;
}

.login-wrapper {
    height: 100vh;
    overflow: hidden;
    background: linear-gradient(135deg, #1e2a3a 0%, #2d3f56 60%, #3b82f6 100%);
    display: flex;
    flex-direction: column;
}

.login-lang-bar {
    display: flex;
    justify-content: flex-end;
    padding: 0.5rem 1rem;
    flex-shrink: 0;
}

.login-lang-bar .header-icon-btn {
    color: rgba(255,255,255,0.75);
}

.login-lang-bar .header-icon-btn:hover {
    background-color: rgba(255,255,255,0.1);
    color: #fff;
}

.login-lang-bar .dropdown-menu {
    background: #fff;
}

.login-content {
    flex: 1;
    padding: 1rem 1rem 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-footer {
    padding: 0.75rem 1rem;
    font-size: 0.875rem;
    color: rgba(255,255,255,0.45);
    flex-shrink: 0;
}

.login-card {
    background: #fff;
    border-radius: 1rem;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
    width: 100%;
    max-width: 420px;
    overflow: hidden;
}

.login-card-header {
    background: linear-gradient(135deg, #1d4ed8 0%, #3b82f6 100%);
    padding: 2rem 2rem 1.5rem;
    text-align: center;
    color: #fff;
}

@keyframes logo-entrance {
    from {
        opacity: 0;
        transform: scale(0.8) translateY(-10px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

@keyframes logo-float {
    0%, 100% { transform: translateY(0); }
    50%       { transform: translateY(-6px); }
}

.login-brand-logo {
    display: block;
    margin: 0 auto 0.75rem;
    width: 150px;
    border-radius: 50%;
    animation: logo-entrance 0.6s cubic-bezier(0.34, 1.56, 0.64, 1) both;
}

@media (prefers-reduced-motion: no-preference) {
    .login-brand-logo {
        animation:
            logo-entrance 0.6s cubic-bezier(0.34, 1.56, 0.64, 1) both,
            logo-float 3s ease-in-out 0.6s infinite;
    }
}

.login-brand-icon {
    font-size: 2.5rem;
    display: block;
    margin-bottom: 0.5rem;
}

.login-brand-name {
    font-size: 1.3rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    margin: 0;
}

.login-brand-subtitle {
    font-size: 0.8rem;
    opacity: 0.65;
    margin: 0.25rem 0 0;
}

.login-card-body {
    padding: 2rem;
}

.login-card-body .form-label {
    font-weight: 500;
    color: #374151;
}

.login-card-body .form-control {
    border-color: #e5e7eb;
    border-radius: 0.5rem;
    padding: 0.6rem 0.875rem;
}

.login-card-body .form-control:focus {
    border-color: #3b82f6;
    box-shadow: 0 0 0 3px rgba(59,130,246,0.15);
}

.login-submit-btn {
    background: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
    border: none;
    border-radius: 0.5rem;
    padding: 0.7rem;
    font-weight: 600;
    font-size: 1rem;
    letter-spacing: 0.02em;
    transition: opacity 0.2s, transform 0.1s;
}

.login-submit-btn:hover {
    opacity: 0.92;
    transform: translateY(-1px);
}

.login-submit-btn:active {
    transform: translateY(0);
}

/* ============================================================
   RESPONSIVE — MOBILE
   ============================================================ */
@media (max-width: 767.98px) {
    .sidebar {
        transform: translateX(-100%);
        width: var(--sidebar-width) !important;
    }

    body.sidebar-open .sidebar {
        transform: translateX(0);
    }

    /* Overlay when sidebar is open on mobile */
    body.sidebar-open::before {
        content: '';
        position: fixed;
        inset: 0;
        background: rgba(0,0,0,0.4);
        z-index: 1015;
    }

    body.sidebar-collapsed .sidebar {
        transform: translateX(-100%);
    }

    .main-content-wrapper {
        margin-left: 0 !important;
    }

    .top-header .header-search {
        display: none;
    }
}

/* ============================================================
   RTL OVERRIDES
   ============================================================ */
html[dir="rtl"] .sidebar {
    left: auto;
    right: 0;
    transform: none;
}

html[dir="rtl"] .main-content-wrapper {
    margin-left: 0;
    margin-right: var(--sidebar-width);
}

html[dir="rtl"] body.sidebar-collapsed .main-content-wrapper {
    margin-left: 0;
    margin-right: var(--sidebar-collapsed-width);
}

html[dir="rtl"] .sidebar-nav .nav-item a {
    flex-direction: row-reverse;
}

html[dir="rtl"] .sidebar-nav .nav-item .submenu-toggle {
    flex-direction: row-reverse;
}

html[dir="rtl"] .sidebar-nav .nav-item .submenu-toggle .chevron {
    margin-left: 0;
    margin-right: auto;
    transform: rotate(180deg);
}

html[dir="rtl"] .sidebar-nav .nav-item .submenu-toggle.open .chevron {
    transform: rotate(90deg);
}

html[dir="rtl"] .sidebar-submenu .nav-item a {
    padding-right: 2.75rem;
    padding-left: 1.25rem;
}

html[dir="rtl"] .kpi-card .kpi-icon {
    right: auto;
    left: 1rem;
}

html[dir="rtl"] .top-header {
    flex-direction: row-reverse;
}

html[dir="rtl"] .top-header .header-spacer {
    flex: 1;
}

/* RTL mobile */
@media (max-width: 767.98px) {
    html[dir="rtl"] .sidebar {
        transform: translateX(100%);
    }

    html[dir="rtl"] body.sidebar-open .sidebar {
        transform: translateX(0);
    }

    html[dir="rtl"] body.sidebar-collapsed .sidebar {
        transform: translateX(100%);
    }
}