/* ==========================================================================
   Trecker Treck — Base Styles & Typography
   Scoped CSS reset, typography, and foundational styles
   Modern dark SaaS design
   ========================================================================== */

/* --- Google Fonts: Inter --- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

/* --- Box-sizing reset scoped to .TreckerApp --- */
.TreckerApp,
.TreckerApp *,
.TreckerApp *::before,
.TreckerApp *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* --- Root wrapper font & color --- */
.TreckerApp {
    font-family: var(--trecker-font-family);
    font-size: var(--trecker-font-size-base);
    font-weight: var(--trecker-font-weight-regular);
    line-height: var(--trecker-line-height-normal);
    letter-spacing: var(--trecker-letter-spacing-normal);
    color: var(--trecker-text-primary);
    background-color: var(--trecker-bg-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
    -webkit-text-size-adjust: 100%;
    -ms-text-size-adjust: 100%;
    tab-size: 4;
}

/* --- Headings --- */
.TreckerApp h1,
.TreckerApp h2,
.TreckerApp h3,
.TreckerApp h4,
.TreckerApp h5,
.TreckerApp h6 {
    font-weight: var(--trecker-font-weight-bold);
    line-height: var(--trecker-line-height-tight);
    letter-spacing: var(--trecker-letter-spacing-tight);
    color: var(--trecker-text-primary);
    margin-bottom: var(--trecker-space-sm);
}

.TreckerApp h1 {
    font-size: var(--trecker-font-size-hero);
    font-weight: var(--trecker-font-weight-bold);
    margin-bottom: var(--trecker-space-md);
}

.TreckerApp h2 {
    font-size: var(--trecker-font-size-2xl);
    font-weight: var(--trecker-font-weight-semibold);
    margin-bottom: var(--trecker-space-md);
}

.TreckerApp h3 {
    font-size: var(--trecker-font-size-xl);
    font-weight: var(--trecker-font-weight-semibold);
}

.TreckerApp h4 {
    font-size: var(--trecker-font-size-lg);
    font-weight: var(--trecker-font-weight-semibold);
}

.TreckerApp h5 {
    font-size: var(--trecker-font-size-md);
    font-weight: var(--trecker-font-weight-medium);
}

.TreckerApp h6 {
    font-size: var(--trecker-font-size-base);
    font-weight: var(--trecker-font-weight-medium);
    color: var(--trecker-text-secondary);
}

/* --- Paragraphs --- */
.TreckerApp p {
    margin-bottom: var(--trecker-space-md);
    color: var(--trecker-text-primary);
    line-height: var(--trecker-line-height-relaxed);
}

.TreckerApp p:last-child {
    margin-bottom: 0;
}

/* --- Links --- */
.TreckerApp a {
    color: var(--trecker-text-link);
    text-decoration: none;
    transition: color var(--trecker-transition-fast);
}

.TreckerApp a:hover {
    color: var(--trecker-text-link-hover);
    text-decoration: underline;
}

.TreckerApp a:active {
    opacity: 0.8;
}

/* --- Link overrides for buttons, nav, dropdowns, footer ---
   Prevents .TreckerApp a from overriding component text colors */
.TreckerApp a.TreckerButton,
.TreckerApp a.TreckerButtonPrimary,
.TreckerApp a.TreckerButtonSecondary,
.TreckerApp a.TreckerButtonDanger,
.TreckerApp a.TreckerButtonGhost {
    text-decoration: none;
}

.TreckerApp a.TreckerButtonPrimary {
    color: #ffffff;
}

.TreckerApp a.TreckerButtonPrimary:hover {
    color: #ffffff;
    text-decoration: none;
}

.TreckerApp a.TreckerButtonSecondary {
    color: var(--trecker-text-primary);
}

.TreckerApp a.TreckerButtonSecondary:hover {
    color: var(--trecker-text-primary);
    text-decoration: none;
}

.TreckerApp a.TreckerButtonDanger {
    color: #ffffff;
}

.TreckerApp a.TreckerButtonDanger:hover {
    color: #ffffff;
    text-decoration: none;
}

.TreckerApp a.TreckerNavLink {
    color: var(--trecker-text-secondary);
    text-decoration: none;
}

.TreckerApp a.TreckerNavLink:hover {
    color: var(--trecker-text-primary);
    text-decoration: none;
}

.TreckerApp a.TreckerNavLink.TreckerNavLinkActive {
    color: var(--trecker-accent);
}

.TreckerApp a.TreckerDropdownItem {
    color: var(--trecker-text-primary);
    text-decoration: none;
}

.TreckerApp a.TreckerDropdownItem:hover {
    color: var(--trecker-text-primary);
    text-decoration: none;
}

.TreckerApp a.TreckerDropdownItem.TreckerTextError {
    color: var(--trecker-error);
}

.TreckerApp a.TreckerMobileNavLink {
    color: var(--trecker-text-primary);
    text-decoration: none;
}

.TreckerApp a.TreckerMobileNavLink:hover {
    color: var(--trecker-text-primary);
    text-decoration: none;
}

.TreckerApp a.TreckerHeaderLogo {
    color: var(--trecker-text-primary);
    text-decoration: none;
}

.TreckerApp a.TreckerHeaderLogo:hover {
    color: var(--trecker-text-primary);
    text-decoration: none;
}

.TreckerApp a.TreckerFooterLink {
    color: var(--trecker-text-secondary);
    text-decoration: none;
}

.TreckerApp a.TreckerFooterLink:hover {
    color: var(--trecker-accent);
    text-decoration: none;
}

/* --- Lists --- */
.TreckerApp ul,
.TreckerApp ol {
    list-style: none;
    margin: 0;
    padding: 0;
}

/* --- Images --- */
.TreckerApp img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* --- Horizontal rules --- */
.TreckerApp hr {
    border: none;
    height: 1px;
    background-color: var(--trecker-border);
    margin: var(--trecker-space-lg) 0;
}

/* --- Strong & emphasis --- */
.TreckerApp strong,
.TreckerApp b {
    font-weight: var(--trecker-font-weight-semibold);
}

.TreckerApp em,
.TreckerApp i {
    font-style: italic;
}

/* --- Small text --- */
.TreckerApp small {
    font-size: var(--trecker-font-size-sm);
    color: var(--trecker-text-secondary);
}

/* --- Code (inline) --- */
.TreckerApp code {
    font-family: var(--trecker-font-mono);
    font-size: 0.875em;
    background-color: var(--trecker-bg-tertiary);
    padding: 2px 6px;
    border-radius: var(--trecker-border-radius-sm);
}

/* --- Pre (code block) --- */
.TreckerApp pre {
    font-family: var(--trecker-font-mono);
    font-size: var(--trecker-font-size-sm);
    background-color: var(--trecker-bg-secondary);
    border: 1px solid var(--trecker-border);
    border-radius: var(--trecker-border-radius-md);
    padding: var(--trecker-space-md);
    overflow-x: auto;
    margin-bottom: var(--trecker-space-md);
}

/* --- Selection highlight --- */
.TreckerApp ::selection {
    background-color: rgba(255, 138, 61, 0.3);
    color: var(--trecker-text-primary);
}

.TreckerApp ::-moz-selection {
    background-color: rgba(255, 138, 61, 0.3);
    color: var(--trecker-text-primary);
}

/* --- Scrollbar styling (WebKit) --- */
.TreckerApp ::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

.TreckerApp ::-webkit-scrollbar-track {
    background: transparent;
}

.TreckerApp ::-webkit-scrollbar-thumb {
    background-color: var(--trecker-text-tertiary);
    border-radius: var(--trecker-border-radius-full);
    border: 2px solid transparent;
    background-clip: content-box;
}

.TreckerApp ::-webkit-scrollbar-thumb:hover {
    background-color: var(--trecker-text-secondary);
}

/* Firefox scrollbar */
.TreckerApp {
    scrollbar-width: thin;
    scrollbar-color: var(--trecker-text-tertiary) transparent;
}

/* --- Focus visible (accessibility) --- */
.TreckerApp :focus-visible {
    outline: 2px solid var(--trecker-border-focus);
    outline-offset: 2px;
    border-radius: var(--trecker-border-radius-sm);
}

.TreckerApp :focus:not(:focus-visible) {
    outline: none;
}

/* --- Skip link (accessibility) --- */
.TreckerSkipLink {
    position: absolute;
    top: -100%;
    left: var(--trecker-space-md);
    z-index: var(--trecker-z-tooltip);
    padding: var(--trecker-space-sm) var(--trecker-space-md);
    background: var(--trecker-accent-gradient);
    color: #ffffff;
    font-size: var(--trecker-font-size-sm);
    font-weight: var(--trecker-font-weight-semibold);
    border-radius: var(--trecker-border-radius-full);
    text-decoration: none;
    transition: top var(--trecker-transition-fast);
}

.TreckerSkipLink:focus {
    top: var(--trecker-space-md);
}

/* --- Table base resets --- */
.TreckerApp table {
    border-collapse: collapse;
    border-spacing: 0;
    width: 100%;
}

/* --- Button resets within .TreckerApp --- */
.TreckerApp button {
    font-family: inherit;
    font-size: inherit;
    line-height: inherit;
    color: inherit;
    background: none;
    border: none;
    cursor: pointer;
    -webkit-appearance: none;
    appearance: none;
}

/* --- Input resets within .TreckerApp --- */
.TreckerApp input,
.TreckerApp textarea,
.TreckerApp select {
    font-family: inherit;
    font-size: inherit;
    line-height: inherit;
    color: inherit;
    -webkit-appearance: none;
    appearance: none;
}

/* --- Placeholder color --- */
.TreckerApp input::placeholder,
.TreckerApp textarea::placeholder {
    color: var(--trecker-text-tertiary);
    opacity: 1;
}

/* --- Mark / highlight --- */
.TreckerApp mark {
    background-color: rgba(255, 138, 61, 0.2);
    color: var(--trecker-text-primary);
    padding: 1px 4px;
    border-radius: 3px;
}

/* --- Blockquote --- */
.TreckerApp blockquote {
    border-left: 3px solid var(--trecker-accent);
    padding-left: var(--trecker-space-md);
    margin: var(--trecker-space-md) 0;
    color: var(--trecker-text-secondary);
    font-style: italic;
}