/* ============================================
   MARKET TITAN - Layout System
   Comprehensive layout utilities and templates
   ============================================ */

/* ===== BASE RESET ===== */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    font-size: var(--text-base);
    line-height: var(--leading-normal);
    color: var(--text-primary);
    background-color: var(--bg-primary);
    overflow-x: hidden;
}

/* ===== TYPOGRAPHY RESET ===== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: var(--leading-tight);
    color: var(--text-primary);
}

h1 { font-size: var(--text-5xl); }
h2 { font-size: var(--text-4xl); }
h3 { font-size: var(--text-3xl); }
h4 { font-size: var(--text-2xl); }
h5 { font-size: var(--text-xl); }
h6 { font-size: var(--text-lg); }

p {
    margin-bottom: var(--space-4);
}

a {
    color: var(--accent-blue);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--accent-blue-dim);
}

ul, ol {
    list-style-position: inside;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

/* ===== RESPONSIVE BREAKPOINTS ===== */
/* Mobile: 375px - 767px */
/* Tablet: 768px - 1023px */
/* Desktop: 1024px - 1920px+ */

/* ===== CONTAINER CLASSES ===== */
.container {
    width: 100%;
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--space-4);
    padding-right: var(--space-4);
}

.container-sm {
    max-width: 640px;
}

.container-md {
    max-width: 768px;
}

.container-lg {
    max-width: 1024px;
}

.container-xl {
    max-width: 1280px;
}

.container-2xl {
    max-width: var(--container-max);
}

.container-fluid {
    max-width: 100%;
}

/* Responsive containers */
@media (min-width: 640px) {
    .container { max-width: 640px; }
}

@media (min-width: 768px) {
    .container { max-width: 768px; }
    .container {
        padding-left: var(--space-6);
        padding-right: var(--space-6);
    }
}

@media (min-width: 1024px) {
    .container { max-width: 1024px; }
}

@media (min-width: 1280px) {
    .container { max-width: 1280px; }
}

@media (min-width: 1536px) {
    .container { max-width: var(--container-max); }
    .container {
        padding-left: var(--space-8);
        padding-right: var(--space-8);
    }
}

/* ===== GRID SYSTEM (12-COLUMN) ===== */
.grid {
    display: grid;
    gap: var(--space-4);
}

.grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
.grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid-cols-5 { grid-template-columns: repeat(5, minmax(0, 1fr)); }
.grid-cols-6 { grid-template-columns: repeat(6, minmax(0, 1fr)); }
.grid-cols-7 { grid-template-columns: repeat(7, minmax(0, 1fr)); }
.grid-cols-8 { grid-template-columns: repeat(8, minmax(0, 1fr)); }
.grid-cols-9 { grid-template-columns: repeat(9, minmax(0, 1fr)); }
.grid-cols-10 { grid-template-columns: repeat(10, minmax(0, 1fr)); }
.grid-cols-11 { grid-template-columns: repeat(11, minmax(0, 1fr)); }
.grid-cols-12 { grid-template-columns: repeat(12, minmax(0, 1fr)); }

/* Column spanning */
.col-span-1 { grid-column: span 1 / span 1; }
.col-span-2 { grid-column: span 2 / span 2; }
.col-span-3 { grid-column: span 3 / span 3; }
.col-span-4 { grid-column: span 4 / span 4; }
.col-span-5 { grid-column: span 5 / span 5; }
.col-span-6 { grid-column: span 6 / span 6; }
.col-span-7 { grid-column: span 7 / span 7; }
.col-span-8 { grid-column: span 8 / span 8; }
.col-span-9 { grid-column: span 9 / span 9; }
.col-span-10 { grid-column: span 10 / span 10; }
.col-span-11 { grid-column: span 11 / span 11; }
.col-span-12 { grid-column: span 12 / span 12; }
.col-span-full { grid-column: 1 / -1; }

/* Row spanning */
.row-span-1 { grid-row: span 1 / span 1; }
.row-span-2 { grid-row: span 2 / span 2; }
.row-span-3 { grid-row: span 3 / span 3; }
.row-span-4 { grid-row: span 4 / span 4; }
.row-span-5 { grid-row: span 5 / span 5; }
.row-span-6 { grid-row: span 6 / span 6; }

/* Auto-fit grids (responsive without media queries) */
.grid-auto-fit {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.grid-auto-fit-sm {
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
}

.grid-auto-fit-lg {
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
}

/* Gap utilities */
.gap-0 { gap: 0; }
.gap-1 { gap: var(--space-1); }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.gap-5 { gap: var(--space-5); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }
.gap-10 { gap: var(--space-10); }
.gap-12 { gap: var(--space-12); }

/* Responsive grid columns */
@media (min-width: 640px) {
    .sm\:grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
    .sm\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .sm\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .sm\:grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
    .sm\:grid-cols-6 { grid-template-columns: repeat(6, minmax(0, 1fr)); }
    .sm\:grid-cols-12 { grid-template-columns: repeat(12, minmax(0, 1fr)); }
}

@media (min-width: 768px) {
    .md\:grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
    .md\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .md\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .md\:grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
    .md\:grid-cols-6 { grid-template-columns: repeat(6, minmax(0, 1fr)); }
    .md\:grid-cols-12 { grid-template-columns: repeat(12, minmax(0, 1fr)); }
}

@media (min-width: 1024px) {
    .lg\:grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
    .lg\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .lg\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .lg\:grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
    .lg\:grid-cols-6 { grid-template-columns: repeat(6, minmax(0, 1fr)); }
    .lg\:grid-cols-12 { grid-template-columns: repeat(12, minmax(0, 1fr)); }
}

/* ===== FLEXBOX UTILITIES ===== */
.flex {
    display: flex;
}

.inline-flex {
    display: inline-flex;
}

/* Flex direction */
.flex-row { flex-direction: row; }
.flex-row-reverse { flex-direction: row-reverse; }
.flex-col { flex-direction: column; }
.flex-col-reverse { flex-direction: column-reverse; }

/* Flex wrap */
.flex-wrap { flex-wrap: wrap; }
.flex-wrap-reverse { flex-wrap: wrap-reverse; }
.flex-nowrap { flex-wrap: nowrap; }

/* Justify content */
.justify-start { justify-content: flex-start; }
.justify-end { justify-content: flex-end; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-around { justify-content: space-around; }
.justify-evenly { justify-content: space-evenly; }

/* Align items */
.items-start { align-items: flex-start; }
.items-end { align-items: flex-end; }
.items-center { align-items: center; }
.items-baseline { align-items: baseline; }
.items-stretch { align-items: stretch; }

/* Align self */
.self-auto { align-self: auto; }
.self-start { align-self: flex-start; }
.self-end { align-self: flex-end; }
.self-center { align-self: center; }
.self-stretch { align-self: stretch; }

/* Flex grow/shrink */
.flex-1 { flex: 1 1 0%; }
.flex-auto { flex: 1 1 auto; }
.flex-initial { flex: 0 1 auto; }
.flex-none { flex: none; }

.grow { flex-grow: 1; }
.grow-0 { flex-grow: 0; }

.shrink { flex-shrink: 1; }
.shrink-0 { flex-shrink: 0; }

/* ===== DASHBOARD LAYOUT ===== */
.layout-dashboard {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* News Ticker (Fixed Top Bar) */
.ticker {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--ticker-height);
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-subtle);
    z-index: var(--z-fixed);
    overflow: hidden;
}

/* Main Dashboard Area */
.dashboard-main {
    display: flex;
    margin-top: var(--ticker-height);
    min-height: calc(100vh - var(--ticker-height));
}

/* Dashboard Content Area */
.dashboard-content {
    flex: 1;
    padding: var(--space-6);
    overflow-y: auto;
}

/* Right Sidebar (Chat/Leaderboard) */
.sidebar-right {
    width: var(--chat-width);
    background: var(--bg-secondary);
    border-left: 1px solid var(--border-subtle);
    overflow-y: auto;
    transition: transform var(--transition-base), width var(--transition-base);
}

.sidebar-right.collapsed {
    transform: translateX(100%);
    width: 0;
}

/* Sidebar toggle button */
.sidebar-toggle {
    position: fixed;
    top: calc(var(--ticker-height) + var(--space-4));
    right: var(--space-4);
    z-index: var(--z-sticky);
    width: 40px;
    height: 40px;
    background: var(--bg-elevated);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.sidebar-toggle:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
    border-color: var(--border-medium);
}

.sidebar-right.collapsed ~ .sidebar-toggle {
    right: var(--space-4);
}

.sidebar-right:not(.collapsed) ~ .sidebar-toggle {
    right: calc(var(--chat-width) + var(--space-4));
}

/* ===== PAGE TEMPLATES ===== */

/* Full-Width Landing Page */
.page-landing {
    min-height: 100vh;
    background: var(--gradient-hero);
}

.landing-hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--space-8) var(--space-4);
}

.landing-section {
    padding: var(--space-16) var(--space-4);
}

/* Dashboard with Sidebars */
.page-dashboard {
    display: grid;
    grid-template-rows: var(--ticker-height) 1fr;
    min-height: 100vh;
}

.page-dashboard .ticker {
    grid-row: 1;
}

.page-dashboard .dashboard-main {
    grid-row: 2;
    margin-top: 0;
}

/* Centered Content Pages */
.page-centered {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-8) var(--space-4);
}

.page-centered-content {
    width: 100%;
    max-width: 600px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: var(--space-8);
}

/* Standard Content Page */
.page-content {
    min-height: 100vh;
    padding-top: var(--ticker-height);
}

.page-content-inner {
    max-width: 900px;
    margin: 0 auto;
    padding: var(--space-8) var(--space-4);
}

/* ===== SPACING UTILITIES ===== */

/* Margin */
.m-0 { margin: 0; }
.m-1 { margin: var(--space-1); }
.m-2 { margin: var(--space-2); }
.m-3 { margin: var(--space-3); }
.m-4 { margin: var(--space-4); }
.m-5 { margin: var(--space-5); }
.m-6 { margin: var(--space-6); }
.m-8 { margin: var(--space-8); }
.m-10 { margin: var(--space-10); }
.m-12 { margin: var(--space-12); }
.m-16 { margin: var(--space-16); }
.m-20 { margin: var(--space-20); }
.m-auto { margin: auto; }

/* Margin X-axis */
.mx-0 { margin-left: 0; margin-right: 0; }
.mx-1 { margin-left: var(--space-1); margin-right: var(--space-1); }
.mx-2 { margin-left: var(--space-2); margin-right: var(--space-2); }
.mx-3 { margin-left: var(--space-3); margin-right: var(--space-3); }
.mx-4 { margin-left: var(--space-4); margin-right: var(--space-4); }
.mx-5 { margin-left: var(--space-5); margin-right: var(--space-5); }
.mx-6 { margin-left: var(--space-6); margin-right: var(--space-6); }
.mx-8 { margin-left: var(--space-8); margin-right: var(--space-8); }
.mx-auto { margin-left: auto; margin-right: auto; }

/* Margin Y-axis */
.my-0 { margin-top: 0; margin-bottom: 0; }
.my-1 { margin-top: var(--space-1); margin-bottom: var(--space-1); }
.my-2 { margin-top: var(--space-2); margin-bottom: var(--space-2); }
.my-3 { margin-top: var(--space-3); margin-bottom: var(--space-3); }
.my-4 { margin-top: var(--space-4); margin-bottom: var(--space-4); }
.my-5 { margin-top: var(--space-5); margin-bottom: var(--space-5); }
.my-6 { margin-top: var(--space-6); margin-bottom: var(--space-6); }
.my-8 { margin-top: var(--space-8); margin-bottom: var(--space-8); }
.my-12 { margin-top: var(--space-12); margin-bottom: var(--space-12); }
.my-16 { margin-top: var(--space-16); margin-bottom: var(--space-16); }

/* Margin Top */
.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--space-1); }
.mt-2 { margin-top: var(--space-2); }
.mt-3 { margin-top: var(--space-3); }
.mt-4 { margin-top: var(--space-4); }
.mt-5 { margin-top: var(--space-5); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }
.mt-10 { margin-top: var(--space-10); }
.mt-12 { margin-top: var(--space-12); }
.mt-16 { margin-top: var(--space-16); }
.mt-20 { margin-top: var(--space-20); }

/* Margin Bottom */
.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--space-1); }
.mb-2 { margin-bottom: var(--space-2); }
.mb-3 { margin-bottom: var(--space-3); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-5 { margin-bottom: var(--space-5); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }
.mb-10 { margin-bottom: var(--space-10); }
.mb-12 { margin-bottom: var(--space-12); }
.mb-16 { margin-bottom: var(--space-16); }
.mb-20 { margin-bottom: var(--space-20); }

/* Margin Left */
.ml-0 { margin-left: 0; }
.ml-1 { margin-left: var(--space-1); }
.ml-2 { margin-left: var(--space-2); }
.ml-3 { margin-left: var(--space-3); }
.ml-4 { margin-left: var(--space-4); }
.ml-5 { margin-left: var(--space-5); }
.ml-6 { margin-left: var(--space-6); }
.ml-8 { margin-left: var(--space-8); }
.ml-auto { margin-left: auto; }

/* Margin Right */
.mr-0 { margin-right: 0; }
.mr-1 { margin-right: var(--space-1); }
.mr-2 { margin-right: var(--space-2); }
.mr-3 { margin-right: var(--space-3); }
.mr-4 { margin-right: var(--space-4); }
.mr-5 { margin-right: var(--space-5); }
.mr-6 { margin-right: var(--space-6); }
.mr-8 { margin-right: var(--space-8); }
.mr-auto { margin-right: auto; }

/* Padding */
.p-0 { padding: 0; }
.p-1 { padding: var(--space-1); }
.p-2 { padding: var(--space-2); }
.p-3 { padding: var(--space-3); }
.p-4 { padding: var(--space-4); }
.p-5 { padding: var(--space-5); }
.p-6 { padding: var(--space-6); }
.p-8 { padding: var(--space-8); }
.p-10 { padding: var(--space-10); }
.p-12 { padding: var(--space-12); }
.p-16 { padding: var(--space-16); }
.p-20 { padding: var(--space-20); }

/* Padding X-axis */
.px-0 { padding-left: 0; padding-right: 0; }
.px-1 { padding-left: var(--space-1); padding-right: var(--space-1); }
.px-2 { padding-left: var(--space-2); padding-right: var(--space-2); }
.px-3 { padding-left: var(--space-3); padding-right: var(--space-3); }
.px-4 { padding-left: var(--space-4); padding-right: var(--space-4); }
.px-5 { padding-left: var(--space-5); padding-right: var(--space-5); }
.px-6 { padding-left: var(--space-6); padding-right: var(--space-6); }
.px-8 { padding-left: var(--space-8); padding-right: var(--space-8); }
.px-12 { padding-left: var(--space-12); padding-right: var(--space-12); }

/* Padding Y-axis */
.py-0 { padding-top: 0; padding-bottom: 0; }
.py-1 { padding-top: var(--space-1); padding-bottom: var(--space-1); }
.py-2 { padding-top: var(--space-2); padding-bottom: var(--space-2); }
.py-3 { padding-top: var(--space-3); padding-bottom: var(--space-3); }
.py-4 { padding-top: var(--space-4); padding-bottom: var(--space-4); }
.py-5 { padding-top: var(--space-5); padding-bottom: var(--space-5); }
.py-6 { padding-top: var(--space-6); padding-bottom: var(--space-6); }
.py-8 { padding-top: var(--space-8); padding-bottom: var(--space-8); }
.py-12 { padding-top: var(--space-12); padding-bottom: var(--space-12); }
.py-16 { padding-top: var(--space-16); padding-bottom: var(--space-16); }

/* Padding Top */
.pt-0 { padding-top: 0; }
.pt-1 { padding-top: var(--space-1); }
.pt-2 { padding-top: var(--space-2); }
.pt-3 { padding-top: var(--space-3); }
.pt-4 { padding-top: var(--space-4); }
.pt-5 { padding-top: var(--space-5); }
.pt-6 { padding-top: var(--space-6); }
.pt-8 { padding-top: var(--space-8); }
.pt-12 { padding-top: var(--space-12); }
.pt-16 { padding-top: var(--space-16); }

/* Padding Bottom */
.pb-0 { padding-bottom: 0; }
.pb-1 { padding-bottom: var(--space-1); }
.pb-2 { padding-bottom: var(--space-2); }
.pb-3 { padding-bottom: var(--space-3); }
.pb-4 { padding-bottom: var(--space-4); }
.pb-5 { padding-bottom: var(--space-5); }
.pb-6 { padding-bottom: var(--space-6); }
.pb-8 { padding-bottom: var(--space-8); }
.pb-12 { padding-bottom: var(--space-12); }
.pb-16 { padding-bottom: var(--space-16); }

/* Padding Left */
.pl-0 { padding-left: 0; }
.pl-1 { padding-left: var(--space-1); }
.pl-2 { padding-left: var(--space-2); }
.pl-3 { padding-left: var(--space-3); }
.pl-4 { padding-left: var(--space-4); }
.pl-5 { padding-left: var(--space-5); }
.pl-6 { padding-left: var(--space-6); }
.pl-8 { padding-left: var(--space-8); }

/* Padding Right */
.pr-0 { padding-right: 0; }
.pr-1 { padding-right: var(--space-1); }
.pr-2 { padding-right: var(--space-2); }
.pr-3 { padding-right: var(--space-3); }
.pr-4 { padding-right: var(--space-4); }
.pr-5 { padding-right: var(--space-5); }
.pr-6 { padding-right: var(--space-6); }
.pr-8 { padding-right: var(--space-8); }

/* ===== DISPLAY UTILITIES ===== */
.block { display: block; }
.inline-block { display: inline-block; }
.inline { display: inline; }
.hidden { display: none; }

/* Visibility */
.visible { visibility: visible; }
.invisible { visibility: hidden; }

/* Overflow */
.overflow-auto { overflow: auto; }
.overflow-hidden { overflow: hidden; }
.overflow-visible { overflow: visible; }
.overflow-scroll { overflow: scroll; }

.overflow-x-auto { overflow-x: auto; }
.overflow-y-auto { overflow-y: auto; }
.overflow-x-hidden { overflow-x: hidden; }
.overflow-y-hidden { overflow-y: hidden; }

/* Position */
.static { position: static; }
.fixed { position: fixed; }
.absolute { position: absolute; }
.relative { position: relative; }
.sticky { position: sticky; }

/* Width */
.w-full { width: 100%; }
.w-auto { width: auto; }
.w-screen { width: 100vw; }
.w-fit { width: fit-content; }

.w-1\/2 { width: 50%; }
.w-1\/3 { width: 33.333333%; }
.w-2\/3 { width: 66.666667%; }
.w-1\/4 { width: 25%; }
.w-3\/4 { width: 75%; }

/* Height */
.h-full { height: 100%; }
.h-auto { height: auto; }
.h-screen { height: 100vh; }
.h-fit { height: fit-content; }

/* Min/Max Width */
.min-w-0 { min-width: 0; }
.min-w-full { min-width: 100%; }
.max-w-full { max-width: 100%; }
.max-w-screen { max-width: 100vw; }

/* Min/Max Height */
.min-h-0 { min-height: 0; }
.min-h-full { min-height: 100%; }
.min-h-screen { min-height: 100vh; }
.max-h-full { max-height: 100%; }
.max-h-screen { max-height: 100vh; }

/* Text Alignment */
.text-left { text-align: left; }
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-justify { text-align: justify; }

/* Vertical Alignment */
.align-baseline { vertical-align: baseline; }
.align-top { vertical-align: top; }
.align-middle { vertical-align: middle; }
.align-bottom { vertical-align: bottom; }

/* White Space */
.whitespace-normal { white-space: normal; }
.whitespace-nowrap { white-space: nowrap; }
.whitespace-pre { white-space: pre; }
.whitespace-pre-line { white-space: pre-line; }
.whitespace-pre-wrap { white-space: pre-wrap; }

/* Text Overflow */
.truncate {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.text-ellipsis { text-overflow: ellipsis; }
.text-clip { text-overflow: clip; }

/* Object Fit */
.object-contain { object-fit: contain; }
.object-cover { object-fit: cover; }
.object-fill { object-fit: fill; }
.object-none { object-fit: none; }

/* Cursor */
.cursor-auto { cursor: auto; }
.cursor-pointer { cursor: pointer; }
.cursor-not-allowed { cursor: not-allowed; }

/* Pointer Events */
.pointer-events-none { pointer-events: none; }
.pointer-events-auto { pointer-events: auto; }

/* User Select */
.select-none { user-select: none; }
.select-text { user-select: text; }
.select-all { user-select: all; }
.select-auto { user-select: auto; }

/* ===== RESPONSIVE UTILITIES ===== */

/* Mobile (default) - 375px to 767px */
/* All base styles apply to mobile by default */

/* Tablet - 768px to 1023px */
@media (min-width: 768px) {
    .md\:block { display: block; }
    .md\:inline-block { display: inline-block; }
    .md\:inline { display: inline; }
    .md\:flex { display: flex; }
    .md\:grid { display: grid; }
    .md\:hidden { display: none; }

    .md\:flex-row { flex-direction: row; }
    .md\:flex-col { flex-direction: column; }

    .md\:w-1\/2 { width: 50%; }
    .md\:w-1\/3 { width: 33.333333%; }
    .md\:w-2\/3 { width: 66.666667%; }
    .md\:w-full { width: 100%; }

    .md\:text-left { text-align: left; }
    .md\:text-center { text-align: center; }
    .md\:text-right { text-align: right; }

    /* Adjust dashboard for tablet */
    .dashboard-content {
        padding: var(--space-8);
    }
}

/* Desktop - 1024px and above */
@media (min-width: 1024px) {
    .lg\:block { display: block; }
    .lg\:inline-block { display: inline-block; }
    .lg\:inline { display: inline; }
    .lg\:flex { display: flex; }
    .lg\:grid { display: grid; }
    .lg\:hidden { display: none; }

    .lg\:flex-row { flex-direction: row; }
    .lg\:flex-col { flex-direction: column; }

    .lg\:w-1\/2 { width: 50%; }
    .lg\:w-1\/3 { width: 33.333333%; }
    .lg\:w-2\/3 { width: 66.666667%; }
    .lg\:w-1\/4 { width: 25%; }
    .lg\:w-3\/4 { width: 75%; }
    .lg\:w-full { width: 100%; }

    .lg\:text-left { text-align: left; }
    .lg\:text-center { text-align: center; }
    .lg\:text-right { text-align: right; }
}

/* Mobile-only utilities */
@media (max-width: 767px) {
    .mobile-only { display: block; }
    .desktop-only { display: none; }

    /* Stack dashboard vertically on mobile */
    .dashboard-main {
        flex-direction: column;
    }

    .sidebar-right {
        position: fixed;
        top: var(--ticker-height);
        right: 0;
        bottom: 0;
        width: 100%;
        max-width: var(--chat-width);
        z-index: var(--z-modal);
        box-shadow: var(--shadow-xl);
    }

    .dashboard-content {
        padding: var(--space-4);
    }

    /* Hide sidebar toggle on mobile when sidebar is visible */
    .sidebar-right:not(.collapsed) ~ .sidebar-toggle {
        right: calc(100% - var(--chat-width) - var(--space-4));
    }
}

/* Desktop-only utilities */
@media (min-width: 768px) {
    .mobile-only { display: none; }
    .desktop-only { display: block; }
}

/* Large desktop optimizations - 1536px and above */
@media (min-width: 1536px) {
    .dashboard-content {
        padding: var(--space-12);
    }

    .xl\:grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
    .xl\:grid-cols-6 { grid-template-columns: repeat(6, minmax(0, 1fr)); }
    .xl\:grid-cols-12 { grid-template-columns: repeat(12, minmax(0, 1fr)); }
}

/* Ultra-wide optimizations - 1920px and above */
@media (min-width: 1920px) {
    .container-2xl {
        max-width: 1600px;
    }
}

/* ===== ACCESSIBILITY ===== */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

.not-sr-only {
    position: static;
    width: auto;
    height: auto;
    padding: 0;
    margin: 0;
    overflow: visible;
    clip: auto;
    white-space: normal;
}

/* Focus visible for keyboard navigation */
.focus-visible:focus-visible {
    outline: 2px solid var(--accent-blue);
    outline-offset: 2px;
}

/* ===== PRINT STYLES ===== */
@media print {
    .no-print {
        display: none !important;
    }

    .ticker,
    .sidebar-right,
    .sidebar-toggle {
        display: none !important;
    }

    .dashboard-content {
        margin-top: 0 !important;
        padding: 0 !important;
    }

    body {
        background: white;
        color: black;
    }
}