/* ==========================================================================
   Experimentos e Bugigangas do Eric - Modern UI Stylesheet
   Compatível com Bootstrap 5.3+ (Light & Dark Theme Native Support)
   ========================================================================== */

:root {
    --app-font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji";
    --app-font-mono: SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
    --app-primary-gradient: linear-gradient(135deg, #0d6efd 0%, #6610f2 100%);
    --app-cloud-azure: #0078d4;
    --app-cloud-aws: #ff9900;
    --app-cloud-oci: #f80000;
    --app-cloud-gcp: #34a853;
    --app-card-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.07), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --app-card-shadow-hover: 0 20px 35px -10px rgba(0, 0, 0, 0.12), 0 8px 12px -3px rgba(0, 0, 0, 0.07);
    --app-glass-bg: rgba(255, 255, 255, 0.85);
    --app-glass-border: rgba(226, 232, 240, 0.8);
}

[data-bs-theme="dark"] {
    --app-card-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.4), 0 4px 6px -2px rgba(0, 0, 0, 0.2);
    --app-card-shadow-hover: 0 20px 35px -10px rgba(0, 0, 0, 0.6), 0 8px 12px -3px rgba(0, 0, 0, 0.3);
    --app-glass-bg: rgba(24, 26, 32, 0.85);
    --app-glass-border: rgba(255, 255, 255, 0.1);
}

body {
    font-family: var(--app-font);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    padding-top: 76px; /* Altura da navbar fixa */
    background-color: var(--bs-body-bg);
    color: var(--bs-body-color);
    -webkit-font-smoothing: antialiased;
}

main {
    flex: 1 0 auto;
}

/* --------------------------------------------------------------------------
   Navbar & Header
   -------------------------------------------------------------------------- */
.navbar-glass {
    background-color: var(--app-glass-bg) !important;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--app-glass-border);
    transition: all 0.3s ease;
}

.brand-gradient {
    font-weight: 700;
    background: var(--app-primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.navbar-nav .nav-link {
    font-weight: 500;
    border-radius: 8px;
    padding: 0.5rem 0.9rem !important;
    transition: all 0.2s ease;
}

.navbar-nav .nav-link:hover {
    color: var(--bs-primary) !important;
    background-color: rgba(13, 110, 253, 0.08);
}

.navbar-nav .nav-link.active {
    color: var(--bs-primary) !important;
    background-color: rgba(13, 110, 253, 0.12);
    font-weight: 600;
}

/* --------------------------------------------------------------------------
   Nav Pills Custom Styling (Garante contraste e legibilidade impecável)
   -------------------------------------------------------------------------- */
.nav-pills .nav-link {
    color: var(--bs-body-color) !important;
    background-color: var(--bs-secondary-bg);
    border: 1px solid var(--bs-border-color-translucent);
    font-weight: 500;
    transition: all 0.2s ease;
}

.nav-pills .nav-link:hover {
    color: var(--bs-primary) !important;
    background-color: var(--bs-tertiary-bg);
}

.nav-pills .nav-link.active {
    background: var(--app-primary-gradient) !important;
    color: #ffffff !important;
    font-weight: 600;
    border-color: transparent !important;
    box-shadow: 0 4px 12px rgba(13, 110, 253, 0.35);
}

/* --------------------------------------------------------------------------
   Cards & Bento-Grid
   -------------------------------------------------------------------------- */
.feature-card {
    border-radius: 16px;
    border: 1px solid var(--bs-border-color-translucent);
    box-shadow: var(--app-card-shadow);
    transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.25s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.25s ease;
    background-color: var(--bs-card-bg);
    overflow: hidden;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--app-card-shadow-hover);
    border-color: rgba(13, 110, 253, 0.4);
}

.card-icon-wrapper {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

/* --------------------------------------------------------------------------
   Hero Section
   -------------------------------------------------------------------------- */
.hero-section {
    padding: 3.5rem 0 2.5rem;
    position: relative;
}

.hero-title {
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1.15;
}

.hero-gradient-text {
    background: var(--app-primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--bs-secondary-color);
    max-width: 680px;
}

/* --------------------------------------------------------------------------
   Dropzone (Juntador de PDF)
   -------------------------------------------------------------------------- */
.pdf-dropzone {
    border: 2px dashed var(--bs-primary-border-subtle);
    border-radius: 18px;
    background-color: var(--bs-tertiary-bg);
    padding: 3rem 1.5rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.25s ease;
    position: relative;
}

.pdf-dropzone:hover,
.pdf-dropzone.dragover {
    border-color: var(--bs-primary);
    background-color: rgba(13, 110, 253, 0.05);
    transform: scale(1.008);
}

.pdf-file-list {
    max-height: 280px;
    overflow-y: auto;
}

.pdf-file-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1rem;
    background-color: var(--bs-secondary-bg);
    border-radius: 10px;
    margin-bottom: 0.5rem;
    border: 1px solid var(--bs-border-color-translucent);
}

/* --------------------------------------------------------------------------
   Multi-Cloud Lab
   -------------------------------------------------------------------------- */
.cloud-header-azure {
    border-left: 4px solid var(--app-cloud-azure);
}

.cloud-header-aws {
    border-left: 4px solid var(--app-cloud-aws);
}

.cloud-header-oci {
    border-left: 4px solid var(--app-cloud-oci);
}

.cloud-header-gcp {
    border-left: 4px solid var(--app-cloud-gcp);
}

.tech-item-row {
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--bs-border-color-translucent);
    transition: background-color 0.15s ease;
}

.tech-item-row:last-child {
    border-bottom: none;
}

.tech-item-row:hover {
    background-color: var(--bs-tertiary-bg);
}

.tech-result-box {
    font-family: var(--app-font-mono);
    font-size: 0.85rem;
    max-height: 160px;
    overflow-y: auto;
    word-break: break-all;
    white-space: pre-wrap;
    background-color: var(--bs-secondary-bg);
    border-radius: 8px;
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--bs-border-color-translucent);
    display: none;
}

.tech-result-box.has-content {
    display: block;
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
footer {
    border-top: 1px solid var(--bs-border-color-translucent);
    background-color: var(--bs-tertiary-bg);
    padding: 2rem 0;
    margin-top: 4rem;
}

.footer-formula {
    font-family: var(--app-font-mono);
    font-size: 0.9rem;
    color: var(--bs-secondary-color);
}

/* --------------------------------------------------------------------------
   Floating Cookie Consent Card
   -------------------------------------------------------------------------- */
.cookie-consent-card {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    max-width: 440px;
    z-index: 1080;
    border-radius: 16px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.25);
    background-color: var(--bs-body-bg);
    border: 1px solid var(--bs-border-color);
    animation: slideUpFade 0.4s ease-out;
}

@keyframes slideUpFade {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* --------------------------------------------------------------------------
   Web Watcher / Watchdog Styles
   -------------------------------------------------------------------------- */
.watchdog-card {
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.watchdog-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
}

.watchdog-card.is-changed {
    border-color: rgba(255, 193, 7, 0.6) !important;
    box-shadow: 0 0 25px rgba(255, 193, 7, 0.2);
}

.watchdog-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    display: inline-block;
}

.watchdog-pulse {
    animation: watchdogPulse 1.6s ease-out infinite;
}

@keyframes watchdogPulse {
    0% {
        box-shadow: 0 0 0 0 rgba(13, 202, 240, 0.6);
    }
    70% {
        box-shadow: 0 0 0 8px rgba(13, 202, 240, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(13, 202, 240, 0);
    }
}