/* ========================================================================
   NeoVTU | Complete UI System — Golden Yellow / Dark Theme
   ======================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&display=swap');

/* ── CSS Variables ─────────────────────────────────────────────────────── */
:root {
    /* Primary brand */
    --primary:        #FFB300;
    --primary-color:  #FFB300;
    --primary-hover:  #FFA000;
    --primary-light:  rgba(255, 179, 0, 0.15);
    --secondary:      #FF8F00;

    /* Backgrounds (Light Theme Default) */
    --bg-dark:        #F1F5F9;  /* Body bg */
    --bg-card:        #FFFFFF;  /* Cards */
    --bg-card-hover:  #F1F5F9;
    --bg-sidebar:     #FFFFFF;
    --surface:        #FFFFFF;

    /* Text (Light Theme Default) */
    --text-primary:   #1E293B;
    --text-light:     #1E293B;  /* Reused variable, holds dark color in light mode */
    --text-muted:     #64748B;

    /* Status */
    --success:        #10B981;
    --danger:         #EF4444;
    --warning:        #F59E0B;

    /* Borders (Light Theme Default) */
    --border-glass:   rgba(0, 0, 0, 0.08);

    /* Typography */
    --font-display:   'Outfit', sans-serif;

    /* Radius */
    --radius-sm:      8px;
    --radius-md:      16px;
    --radius-lg:      24px;
    --radius-pill:    50px;

    /* Shadows */
    --shadow-soft:    0 4px 20px rgba(0, 0, 0, 0.05);
    --shadow-glow:    0 8px 32px rgba(255, 179, 0, 0.15);

    /* Sidebar */
    --sidebar-width:  240px;
}

[data-theme="dark"] {
    --bg-dark:        #121212;
    --bg-card:        #1E1E1E;
    --bg-card-hover:  #2A2A2A;
    --bg-sidebar:     #1A1A1A;
    --surface:        #1E1E1E;

    --text-primary:   #F5F5F5;
    --text-light:     #F5F5F5;
    --text-muted:     #A0A0A0;

    --success:        #00E676;
    --danger:         #FF3D00;
    --warning:        #FFB300;

    --border-glass:   rgba(255, 255, 255, 0.07);

    --shadow-soft:    0 8px 32px rgba(0, 0, 0, 0.4);
    --shadow-glow:    0 8px 32px rgba(255, 179, 0, 0.2);
}

/* ── Reset & Base ──────────────────────────────────────────────────────── */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body, input, select, textarea, button {
    font-family: 'Outfit', sans-serif;
}

html { scroll-behavior: smooth; }

body {
    background-color: var(--bg-dark);
    color: var(--text-light);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    letter-spacing: -0.5px;
    color: var(--text-light);
    font-family: var(--font-display);
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: color 0.3s;
}
a:hover { color: var(--primary-hover); }

/* ── Background mesh (body decoration) ────────────────────────────────── */
.bg-mesh {
    position: fixed;
    inset: 0;
    background:
        radial-gradient(ellipse at 0% 0%, rgba(255,179,0,0.06) 0%, transparent 50%),
        radial-gradient(ellipse at 100% 100%, rgba(255,143,0,0.05) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
}

/* ── Text gradient utility ─────────────────────────────────────────────── */
.text-gradient {
    background: linear-gradient(90deg, var(--primary), #FFD54F);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ── Badge ─────────────────────────────────────────────────────────────── */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 10px;
    border-radius: var(--radius-pill);
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.3px;
}

/* ── Glass panel (card) ────────────────────────────────────────────────── */
.glass-panel {
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    padding: 24px;
    box-shadow: var(--shadow-soft);
    position: relative;
}

/* Legacy .card alias */
.card {
    background: var(--bg-card);
    border-radius: var(--radius-md);
    padding: 30px;
    box-shadow: var(--shadow-soft);
    border: 1px solid var(--border-glass);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.card:hover {
    box-shadow: var(--shadow-glow);
    border-color: var(--primary-light);
}

/* ── Buttons ───────────────────────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: var(--radius-pill);
    font-weight: 700;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: none;
    letter-spacing: 0.4px;
    text-decoration: none;
}
.btn.w-100 { width: 100%; }

.btn-primary {
    background: var(--primary);
    color: #000;
    box-shadow: 0 4px 15px rgba(255, 179, 0, 0.3);
}
.btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 179, 0, 0.4);
    color: #000;
}
.btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.btn-outline {
    background: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
}
.btn-outline:hover { background: var(--primary-light); }

/* ── Forms ─────────────────────────────────────────────────────────────── */
.form-group { margin-bottom: 20px; }

.form-label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-muted);
    font-size: 0.88rem;
    font-weight: 600;
}

.form-control {
    width: 100%;
    padding: 13px 18px;
    background: #ffffff !important;
    border: 1px solid #cbd5e1 !important;
    border-radius: var(--radius-sm);
    color: #1e293b !important;
    font-size: 0.95rem;
    transition: all 0.3s;
    outline: none;
}
.form-control::placeholder { color: rgba(0, 0, 0, 0.4); }
.form-control:focus {
    border-color: var(--primary) !important;
    background: rgba(255, 179, 0, 0.02) !important;
    box-shadow: 0 0 0 3px var(--primary-light);
}
.form-control:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

[data-theme="dark"] .form-control {
    background: rgba(255, 255, 255, 0.04) !important;
    border: 1px solid rgba(255, 255, 255, 0.1) !important;
    color: #F5F5F5 !important;
}
[data-theme="dark"] .form-control::placeholder {
    color: rgba(255, 255, 255, 0.25);
}
[data-theme="dark"] .form-control:focus {
    background: rgba(255, 179, 0, 0.05) !important;
}

select.form-control { cursor: pointer; }
select.form-control option { background-color: var(--bg-card); color: var(--text-light); }

/* Password toggle wrapper */
.form-group.has-icon { position: relative; }
.form-group.has-icon .form-control { padding-right: 48px; }
.form-group.has-icon > button {
    position: absolute;
    right: 14px;
    top: 38px;
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 1rem;
    padding: 4px;
    transition: color 0.2s;
}
.form-group.has-icon > button:hover { color: var(--primary); }

/* Flex row for side-by-side fields */
.flex-row { display: flex; gap: 16px; }
.flex-row > .form-group { flex: 1; margin-bottom: 0; }

/* ── Dashboard layout ──────────────────────────────────────────────────── */
.dashboard-wrapper {
    display: flex;
    min-height: 100vh;
    position: relative;
}

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    min-width: var(--sidebar-width);
    background: var(--bg-sidebar);
    border-right: 1px solid var(--border-glass);
    display: flex;
    flex-direction: column;
    position: sticky;
    top: 0;
    height: 100vh;
    overflow-y: auto;
    z-index: 100;
    transition: transform 0.3s ease;
    scrollbar-width: thin;
}
.sidebar::-webkit-scrollbar { width: 6px; }
.sidebar::-webkit-scrollbar-track { background: transparent; }
.sidebar::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 10px; }

.nav-brand {
    padding: 22px 20px 18px;
    border-bottom: 1px solid var(--border-glass);
}

.sidebar-user {
    padding: 18px 20px;
    text-align: center;
    border-bottom: 1px solid var(--border-glass);
    margin-bottom: 10px;
}

.sidebar-section-label {
    padding: 14px 20px 6px;
    font-size: 0.6rem;
    letter-spacing: 2px;
    color: #555;
    font-weight: 700;
    text-transform: uppercase;
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 11px 20px;
    font-size: 0.84rem;
    font-weight: 600;
    color: var(--text-muted);
    text-decoration: none;
    border-left: 3px solid transparent;
    transition: all 0.2s;
}
.sidebar-link i { font-size: 0.95rem; width: 18px; text-align: center; flex-shrink: 0; }
.sidebar-link:hover {
    color: var(--primary);
    background: rgba(255, 179, 0, 0.07);
    border-left-color: rgba(255, 179, 0, 0.4);
}
.sidebar-link.active {
    color: var(--primary);
    background: rgba(255, 179, 0, 0.1);
    border-left-color: var(--primary);
}

/* Mobile header and hamburger toggle */
.mobile-header {
    display: none;
}

/* Sidebar backdrop (mobile) */
.sidebar-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    z-index: 99;
    backdrop-filter: blur(2px);
}
.sidebar-backdrop.open { display: block; }

/* Main content area */
.main-content {
    flex: 1;
    padding: 28px 30px;
    overflow-x: hidden;
    min-width: 0;
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
}

/* Top header bar inside main content */
.top-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 28px;
    flex-wrap: wrap;
    gap: 14px;
}

/* Wallet balance badge shown in service pages */
.balance-badge {
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    padding: 10px 20px;
    text-align: right;
}
.balance-badge small {
    display: block;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    margin-bottom: 2px;
}
.balance-badge h3 {
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--primary);
}

/* ── Service grid & cards ──────────────────────────────────────────────── */
.grid-services {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 14px;
    margin-bottom: 30px;
}

.service-card {
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    padding: 20px 14px;
    text-align: center;
    text-decoration: none;
    color: var(--text-light);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    transition: all 0.25s;
    cursor: pointer;
}
.service-card i {
    font-size: 1.8rem;
    color: var(--primary);
    margin-bottom: 6px;
}
.service-card:hover {
    border-color: rgba(255, 179, 0, 0.4);
    background: rgba(255, 179, 0, 0.05);
    transform: translateY(-4px);
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.3);
    color: var(--text-light);
}

/* ── Data table ────────────────────────────────────────────────────────── */
.table-responsive {
    display: block;
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
}
.data-table thead th {
    text-align: left;
    padding: 0 12px 12px 0;
    color: #666;
    font-size: 0.68rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-bottom: 1px solid var(--border-glass);
}
.data-table tbody td {
    padding: 12px 12px 12px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    vertical-align: middle;
}
.data-table tbody tr:last-child td { border-bottom: none; }
.data-table tbody tr:hover td { background: rgba(255, 255, 255, 0.02); }
.text-center { text-align: center; }

/* ── Network selector (data/airtime pages) ─────────────────────────────── */
.network-selector { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }

.net-item input[type="radio"] { display: none; }
.net-item span {
    display: block;
    padding: 12px 8px;
    text-align: center;
    border: 1px solid var(--border-glass);
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.25s;
    font-weight: 600;
    font-size: 0.82rem;
    color: var(--text-muted);
}
.net-item input:checked + span {
    background: var(--primary);
    border-color: var(--primary);
    color: #000;
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(255, 179, 0, 0.3);
}

/* Price box */
.price-box {
    background: rgba(255, 179, 0, 0.06);
    border: 1px dashed var(--primary);
    padding: 14px 18px;
    border-radius: 12px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

/* ── Fade-in animation ─────────────────────────────────────────────────── */
.animate-fade-in {
    animation: fadeIn 0.5s ease both;
}
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(12px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ── Auth pages ────────────────────────────────────────────────────────── */
.auth-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 40px 20px;
    background: radial-gradient(ellipse at bottom left, rgba(255,179,0,0.1), transparent 55%),
                radial-gradient(ellipse at top right, rgba(255,143,0,0.06), transparent 55%);
    z-index: 1;
}

.auth-card {
    width: 100%;
    max-width: 500px;
    text-align: center;
    z-index: 10;
}

.auth-header { margin-bottom: 28px; }

.auth-icon {
    width: 62px;
    height: 62px;
    background: var(--primary);
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 14px;
    box-shadow: 0 6px 20px rgba(255, 179, 0, 0.35);
}
.auth-icon i { font-size: 1.5rem; color: #000; }

.auth-title {
    font-size: 1.8rem;
    font-weight: 800;
    margin-bottom: 6px;
    font-family: var(--font-display);
}

.auth-subtitle {
    color: var(--text-muted);
    font-size: 0.92rem;
}

/* Alert boxes */
.alert-error {
    background: rgba(255, 61, 0, 0.08);
    border: 1px solid rgba(255, 61, 0, 0.2);
    color: var(--danger);
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    margin-bottom: 20px;
    font-size: 0.88rem;
    text-align: left;
    display: flex;
    align-items: center;
    gap: 10px;
}

/* OTP page specific */
.auth-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    position: relative;
    z-index: 1;
}
.auth-bg {
    position: fixed;
    inset: 0;
    background:
        radial-gradient(circle at 80% 20%, rgba(255,179,0,0.08) 0%, transparent 50%),
        radial-gradient(circle at 20% 80%, rgba(255,143,0,0.06) 0%, transparent 50%);
    z-index: 0;
    pointer-events: none;
}

.otp-input {
    text-align: center;
    letter-spacing: 12px;
    font-size: 2rem;
    font-weight: 700;
    padding: 18px;
}
.resend-timer {
    text-align: center;
    margin-top: 20px;
    font-size: 0.88rem;
    color: var(--text-muted);
}

/* ── Pulse animation (network status dots) ─────────────────────────────── */
@keyframes pulse {
    0%   { transform: scale(0.9); opacity: 0.6; }
    50%  { transform: scale(1.2); opacity: 1; }
    100% { transform: scale(0.9); opacity: 0.6; }
}

/* ── Responsive ────────────────────────────────────────────────────────── */
@media (max-width: 900px) {
    .wallet-grid { grid-template-columns: 1fr !important; }
    .grid-services { grid-template-columns: repeat(auto-fit, minmax(130px, 1fr)); }
    .network-selector { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .sidebar {
        position: fixed;
        left: 0;
        top: 0;
        height: 100vh;
        transform: translateX(-100%);
        z-index: 150;
        width: 260px;
        min-width: 260px;
    }
    .sidebar.open { transform: translateX(0); }
    .mobile-header {
        display: flex;
        justify-content: space-between;
        align-items: center;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        height: 60px;
        background: var(--bg-card);
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
        border-bottom: 1px solid var(--border-glass);
        padding: 0 16px;
        z-index: 100;
    }
    .mobile-logo-container {
        display: flex;
        align-items: center;
        gap: 8px;
    }
    .mobile-logo {
        height: 30px;
        width: 30px;
        object-fit: contain;
    }
    .mobile-app-name {
        font-family: var(--font-display);
        font-size: 1.2rem;
        font-weight: 800;
        background: linear-gradient(135deg, var(--primary), var(--secondary));
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
    }
    .mobile-menu-toggle {
        background: rgba(255,255,255,0.05);
        border: 1px solid var(--border-glass);
        color: var(--text-light);
        padding: 8px 12px;
        border-radius: var(--radius-sm);
        cursor: pointer;
        font-size: 1.1rem;
        transition: all 0.3s ease;
    }
    .mobile-menu-toggle:hover {
        background: rgba(255,255,255,0.1);
        color: var(--primary);
    }
    .main-content { padding: 20px 16px 20px 16px; }
    .top-header { margin-top: 65px; }
    .flex-row { flex-direction: column; gap: 0; }
    .flex-row > .form-group { margin-bottom: 20px; }
    .auth-card { max-width: 100%; }
}

@media (max-width: 480px) {
    .grid-services { grid-template-columns: repeat(2, 1fr); }
    .network-selector { grid-template-columns: repeat(2, 1fr); }
    .auth-wrapper { padding: 20px 14px; }
    .glass-panel, .card { padding: 18px; }
    .btn { font-size: 0.88rem; padding: 12px 20px; }
    
    .reward-row {
        font-size: 0.85rem !important;
    }
    .reward-row strong {
        font-size: 0.95rem !important;
    }
    .referral-stats {
        gap: 8px !important;
    }
    .referral-stat-card {
        padding: 10px !important;
    }
    .referral-stat-card strong {
        font-size: 1rem !important;
    }
    .referral-link-container {
        flex-direction: column;
        align-items: stretch !important;
        gap: 8px !important;
    }
    .referral-link-text {
        text-align: center;
        white-space: normal !important;
        word-break: break-all !important;
        font-size: 0.75rem !important;
        padding: 8px 12px !important;
    }
}

/* Toggle Switch */
.toggle {
  position: relative;
  display: inline-block;
  width: 40px;
  height: 24px;
}
.toggle input {
  opacity: 0;
  width: 0;
  height: 0;
}
.toggle-slider {
  position: absolute;
  cursor: pointer;
  top: 0; left: 0; right: 0; bottom: 0;
  background-color: rgba(255, 255, 255, 0.1);
  transition: .4s;
  border-radius: 24px;
  border: 1px solid rgba(255, 255, 255, 0.2);
}
.toggle-slider:before {
  position: absolute;
  content: '';
  height: 16px;
  width: 16px;
  left: 3px;
  bottom: 3px;
  background-color: var(--text-muted);
  transition: .4s;
  border-radius: 50%;
}
input:checked + .toggle-slider {
  background-color: var(--primary);
  border-color: var(--primary);
}
input:checked + .toggle-slider:before {
  transform: translateX(16px);
  background-color: #000;
}

/* Quick Actions Scrollbar styling */
.quick-actions-scroll::-webkit-scrollbar {
    height: 5px;
}
.quick-actions-scroll::-webkit-scrollbar-track {
    background: transparent;
}
.quick-actions-scroll::-webkit-scrollbar-thumb {
    background: rgba(255, 179, 0, 0.25);
    border-radius: 10px;
}
.quick-actions-scroll::-webkit-scrollbar-thumb:hover {
    background: var(--primary);
}

/* Sidebar Close Button */
.sidebar-close {
    display: none;
}
@media (max-width: 768px) {
    .sidebar-close {
        display: block !important;
    }
}

/* Repositioned site footer within dashboard main content */
.main-content .site-footer {
    margin-top: auto !important;
    padding-left: 0;
    padding-right: 0;
    background: transparent;
    width: 100%;
}

/* Hide mobile header when sidebar is open */
.sidebar.open ~ .mobile-header {
    display: none !important;
}

/* Network status grid */
.network-status-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}
@media (max-width: 768px) {
    .network-status-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 12px !important;
    }
}

/* Responsive grid stacking for inline grids */
@media (max-width: 768px) {
    [style*="grid-template-columns"] {
        grid-template-columns: 1fr !important;
    }
}