html, body {
    max-width: 100%;
    overflow-x: hidden;
}

body {
    font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background-color: #f8fafc;
    color: #1e293b;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.main-content {
    flex: 1 0 auto;
    width: 100%;
    max-width: 100%;
    min-width: 0;
    box-sizing: border-box;
}

/* Base dark navy default */
.bg-dark-navy {
    background-color: #0f172a !important;
    transition: background-color 0.3s ease;
}

.bg-landing-navy {
    background-color: #1f3b63 !important;
}

/* Compact Navbar Styles */
.navbar-compact {
    padding-top: 0.35rem !important;
    padding-bottom: 0.35rem !important;
    font-size: 0.85rem !important;
}

.navbar-compact .navbar-brand {
    font-size: 1.05rem !important;
    font-weight: 700 !important;
}

.navbar-compact .nav-link {
    padding-top: 0.25rem !important;
    padding-bottom: 0.25rem !important;
    font-size: 0.83rem !important;
    color: rgba(255, 255, 255, 0.85) !important;
}

.navbar-compact .nav-link:hover {
    color: #ffffff !important;
}

/* ==========================================================================
   COLOR THEMES: Blue, Yellow, Green, Red
   ========================================================================== */

/* 1. BLUE THEME (Default) */
body[data-theme="blue"], body.theme-blue {
    background-color: #f0f6ff !important;
}
body[data-theme="blue"] .navbar,
body[data-theme="blue"] .navbar-dark,
body[data-theme="blue"] .bg-dark-navy,
body[data-theme="blue"] .bg-dark,
body.theme-blue .navbar,
body.theme-blue .navbar-dark,
body.theme-blue .bg-dark-navy,
body.theme-blue .bg-dark {
    background-color: #0f172a !important;
}
body[data-theme="blue"] .btn-primary,
body.theme-blue .btn-primary {
    background-color: #2563eb !important;
    border-color: #1d4ed8 !important;
    color: #ffffff !important;
}

/* 2. YELLOW THEME (Vibrant Yellow, Not Brown) */
body[data-theme="yellow"], body.theme-yellow {
    background-color: #fefce8 !important;
}
body[data-theme="yellow"] .navbar,
body[data-theme="yellow"] .navbar-dark,
body[data-theme="yellow"] .bg-dark-navy,
body[data-theme="yellow"] .bg-dark,
body.theme-yellow .navbar,
body.theme-yellow .navbar-dark,
body.theme-yellow .bg-dark-navy,
body.theme-yellow .bg-dark {
    background-color: #eab308 !important;
}
body[data-theme="yellow"] .navbar .navbar-brand,
body[data-theme="yellow"] .navbar .nav-link,
body[data-theme="yellow"] .navbar .text-white,
body[data-theme="yellow"] .navbar span,
body.theme-yellow .navbar .navbar-brand,
body.theme-yellow .navbar .nav-link,
body.theme-yellow .navbar .text-white,
body.theme-yellow .navbar span {
    color: #0f172a !important;
    font-weight: 600 !important;
}
body[data-theme="yellow"] .btn-primary,
body[data-theme="yellow"] .btn-primary:hover,
body[data-theme="yellow"] .btn-primary:focus,
body.theme-yellow .btn-primary,
body.theme-yellow .btn-primary:hover,
body.theme-yellow .btn-primary:focus {
    background-color: #eab308 !important;
    border-color: #ca8a04 !important;
    color: #0f172a !important;
    font-weight: 700 !important;
}

/* 3. GREEN THEME */
body[data-theme="green"], body.theme-green {
    background-color: #f0fdf4 !important;
}
body[data-theme="green"] .navbar,
body[data-theme="green"] .navbar-dark,
body[data-theme="green"] .bg-dark-navy,
body[data-theme="green"] .bg-dark,
body.theme-green .navbar,
body.theme-green .navbar-dark,
body.theme-green .bg-dark-navy,
body.theme-green .bg-dark {
    background-color: #059669 !important;
}
body[data-theme="green"] .navbar .navbar-brand,
body[data-theme="green"] .navbar .nav-link,
body[data-theme="green"] .navbar .text-white,
body[data-theme="green"] .navbar span,
body.theme-green .navbar .navbar-brand,
body.theme-green .navbar .nav-link,
body.theme-green .navbar .text-white,
body.theme-green .navbar span {
    color: #ffffff !important;
}
body[data-theme="green"] .btn-primary,
body[data-theme="green"] .btn-primary:hover,
body[data-theme="green"] .btn-primary:focus,
body.theme-green .btn-primary,
body.theme-green .btn-primary:hover,
body.theme-green .btn-primary:focus {
    background-color: #059669 !important;
    border-color: #047857 !important;
    color: #ffffff !important;
    font-weight: 700 !important;
}

/* 4. RED THEME */
body[data-theme="red"], body.theme-red {
    background-color: #fff1f2 !important;
}
body[data-theme="red"] .navbar,
body[data-theme="red"] .navbar-dark,
body[data-theme="red"] .bg-dark-navy,
body[data-theme="red"] .bg-dark,
body.theme-red .navbar,
body.theme-red .navbar-dark,
body.theme-red .bg-dark-navy,
body.theme-red .bg-dark {
    background-color: #dc2626 !important;
}
body[data-theme="red"] .navbar .navbar-brand,
body[data-theme="red"] .navbar .nav-link,
body[data-theme="red"] .navbar .text-white,
body[data-theme="red"] .navbar span,
body.theme-red .navbar .navbar-brand,
body.theme-red .navbar .nav-link,
body.theme-red .navbar .text-white,
body.theme-red .navbar span {
    color: #ffffff !important;
}
body[data-theme="red"] .btn-primary,
body[data-theme="red"] .btn-primary:hover,
body[data-theme="red"] .btn-primary:focus,
body.theme-red .btn-primary,
body.theme-red .btn-primary:hover,
body.theme-red .btn-primary:focus {
    background-color: #dc2626 !important;
    border-color: #b91c1c !important;
    color: #ffffff !important;
    font-weight: 700 !important;
}

/* Subtabs Clean & Fully Responsive Navigation */
.subtabs-wrapper {
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    overflow: hidden !important;
}

.subtabs-wrapper .nav-pills {
    display: flex !important;
    width: 100% !important;
    max-width: 100% !important;
    margin: 0 !important;
    gap: 4px !important;
    padding: 2px !important;
    box-sizing: border-box !important;
}

/* Tab Colors - Sleek Black Style */
.nav-pills .nav-link,
.subtabs-wrapper .nav-pills .nav-link {
    color: #0f172a !important;
    background-color: transparent !important;
    transition: all 0.15s ease-in-out !important;
}

.nav-pills .nav-link:hover,
.subtabs-wrapper .nav-pills .nav-link:hover {
    background-color: #f1f5f9 !important;
    color: #000000 !important;
}

.nav-pills .nav-link.active,
.subtabs-wrapper .nav-pills .nav-link.active,
body .subtabs-wrapper .nav-pills .nav-link.active,
body[data-theme] .subtabs-wrapper .nav-pills .nav-link.active,
body[data-theme] .nav-pills .nav-link.active,
body.theme-blue .subtabs-wrapper .nav-pills .nav-link.active,
body.theme-yellow .subtabs-wrapper .nav-pills .nav-link.active,
body.theme-green .subtabs-wrapper .nav-pills .nav-link.active,
body.theme-red .subtabs-wrapper .nav-pills .nav-link.active {
    background-color: #000000 !important;
    border-color: #000000 !important;
    color: #ffffff !important;
    font-weight: 700 !important;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2) !important;
}

/* Desktop: Single Row Equal-width Tabs */
@media (min-width: 992px) {
    .subtabs-wrapper .nav-pills {
        flex-wrap: nowrap !important;
    }

    .subtabs-wrapper .nav-pills .nav-item {
        flex: 1 1 0% !important;
        min-width: 0 !important;
        display: flex !important;
    }

    .subtabs-wrapper .nav-pills .nav-link {
        width: 100% !important;
        white-space: nowrap !important;
        overflow: hidden !important;
        text-overflow: ellipsis !important;
        padding: 7px 4px !important;
        display: flex !important;
        align-items: center !important;
        justify-content: center !important;
        font-weight: 600 !important;
        font-size: 0.73rem !important;
        border-radius: 6px !important;
        transition: all 0.15s ease-in-out !important;
    }
}

/* Tablet & Mobile: Wrap into Clean Grid of Pills (Inside Container) */
@media (max-width: 991.98px) {
    .subtabs-wrapper {
        overflow: visible !important;
    }

    .subtabs-wrapper .nav-pills {
        flex-wrap: wrap !important;
    }

    .subtabs-wrapper .nav-pills .nav-item {
        flex: 1 1 calc(33.333% - 4px) !important;
        min-width: 0 !important;
        display: flex !important;
    }

    .subtabs-wrapper .nav-pills .nav-link {
        width: 100% !important;
        padding: 7px 8px !important;
        font-size: 0.75rem !important;
        white-space: nowrap !important;
        overflow: hidden !important;
        text-overflow: ellipsis !important;
        display: flex !important;
        align-items: center !important;
        justify-content: center !important;
        border-radius: 6px !important;
        font-weight: 600 !important;
    }
}

@media (max-width: 575.98px) {
    .subtabs-wrapper .nav-pills .nav-item {
        flex: 1 1 calc(50% - 4px) !important;
    }
}

/* Hero Section */
.hero-banner {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 60%, #1e40af 100%);
    color: #ffffff;
    padding: 80px 0 60px 0;
    position: relative;
    overflow: hidden;
}

.hero-title {
    font-weight: 800;
    letter-spacing: -0.5px;
    font-size: 2.5rem;
}

.feature-card {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 16px;
    padding: 24px;
    transition: all 0.25s ease-in-out;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px -6px rgba(0, 0, 0, 0.08);
}

.icon-box {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    margin-bottom: 16px;
}

.icon-box-blue {
    background-color: #eff6ff;
    color: #2563eb;
}

.icon-box-green {
    background-color: #f0fdf4;
    color: #16a34a;
}

.icon-box-purple {
    background-color: #faf5ff;
    color: #9333ea;
}

.icon-box-amber {
    background-color: #fffbeb;
    color: #d97706;
}

/* Auth Cards */
.auth-card {
    border-radius: 16px;
    border: 1px solid #e2e8f0;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.05);
    background: #ffffff;
    padding: 32px;
}

.auth-title {
    font-weight: 700;
    color: #0f172a;
}

/* Stat Cards */
.stat-card {
    border-radius: 14px;
    border: 1px solid #e2e8f0;
    background: #ffffff;
    padding: 20px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
}

.stat-value {
    font-size: 1.75rem;
    font-weight: 800;
    color: #0f172a;
}

#advanced-pane {
    width: 100%;
    max-width: 100%;
    min-width: 0;
    box-sizing: border-box;
}

#advanced-pane .card {
    width: 100%;
    max-width: 100%;
    min-width: 0;
    box-sizing: border-box;
}

.preview-scroll-container {
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
}

@media (max-width: 767.98px) {
    #previewPaper {
        min-width: 520px !important;
        padding: 1rem !important;
    }
}

.btn:disabled,
.btn.disabled,
button:disabled {
    opacity: 0.55 !important;
    cursor: not-allowed !important;
    pointer-events: none !important;
    box-shadow: none !important;
}