/* ============================================================================

   CORE.CSS - Universal Platform Styles
   Uses semantic tokens from base.css - theme-agnostic

   Loaded by all pages. Screen-specific styles are in pages/:
     - pages/screen.css        (Screen Chrome — shared by R/M/H)
     - pages/trading.css       (Trading Components — trader only)
     - pages/widgets.css       (Widget Grid & Widget System — trader only)
     - pages/dashboard.css     (Account Management Dashboard)
     - pages/order-history.css (Order History)
     - pages/reports.css       (Reports)
     - pages/manuals.css       (User Manuals)
     - pages/profile.css       (Profile)

   TABLE OF CONTENTS
   -----------------
   1. Global Resets & Base Styles
   2. Utility Classes
   3. Toolbar & Navigation
   4. Buttons
   5. Form Elements
   6. Icon Buttons
   7. Tables
   8. Mobile Responsive
   9. Accessibility & States

   ============================================================================ */

/* ============================================================================
   1. GLOBAL RESETS & BASE STYLES
   ============================================================================ */

/* Reset browser defaults for full-bleed layout */
html,
body {
    margin: 0;
    padding: 0;
    border: 0;
    width: 100%;
    min-height: 100vh;
    display: block;
    overflow-x: hidden;
    font-family: var(--font-family-base);
}

/* Bootstrap container reset */
.container-fluid {
    padding: 0;
    margin: 0;
    width: 100%;
    max-width: 100%;
}

/* Main layout with toolbar offset */
body.trading-layout {
    /* Bootstrap variable overrides mapped to base palette */
    --bs-body-bg: var(--bg-primary);
    --bs-body-color: var(--text-primary);
    --bs-border-color: var(--border-default);
    --bs-link-color: var(--color-primary);
    --bs-link-hover-color: var(--color-primary--hover);

    --bs-primary: var(--color-primary);
    --bs-primary-rgb: 27, 79, 114;
    --bs-primary-text: var(--text-on-primary);

    --bs-info: var(--color-info);
    --bs-info-rgb: 37, 99, 235;
    --bs-info-text: var(--color-info);

    --bs-success: var(--color-success);
    --bs-success-rgb: 16, 185, 129;
    --bs-success-text: var(--text-on-success);

    --bs-warning: var(--color-warning);
    --bs-warning-rgb: 245, 158, 11;
    --bs-warning-text: var(--color-warning);

    --bs-danger: var(--color-danger);
    --bs-danger-rgb: 216, 67, 21;
    --bs-danger-text: var(--text-on-danger);

    --bs-secondary: var(--text-secondary);
    --bs-secondary-rgb: 148, 163, 184;

    --bs-light: var(--gray-200);
    --bs-light-rgb: 226, 232, 240;
    --bs-dark: var(--gray-900);
    --bs-dark-rgb: 15, 23, 42;

    background: var(--bg-primary);
    margin: 0;
    padding: 0;
    padding-top: var(--toolbar-offset);
    width: 100%;
    overflow-x: hidden;
}

/* Prevent double offset on nested containers */
.container-fluid.trading-layout {
    padding-top: 0;
}

/* Custom scrollbars */
*::-webkit-scrollbar {
    width: var(--space-3);
    height: var(--space-3);
}

*::-webkit-scrollbar-track {
    background: var(--scrollbar-track);
}

*::-webkit-scrollbar-thumb {
    background: var(--scrollbar-thumb);
    border-radius: var(--radius-md);
}

*::-webkit-scrollbar-thumb:hover {
    background: var(--scrollbar-thumb--hover);
}

/* Accessible focus rings */
*:focus-visible {
    outline: 2px solid var(--border-focus);
    outline-offset: 2px;
}

/* Performance optimization */
* {
    will-change: auto;
}

/* ============================================================================
   2. UTILITY CLASSES
   ============================================================================ */

/* Display utilities */
.hidden {
    display: none;
}

/* Trading color utilities - bid/ask institutional perspective */
.bg-bid {
    background: var(--color-bid);
}

.bg-bid--hover:hover {
    background: var(--color-bid--hover);
}

.bg-ask {
    background: var(--color-ask);
}

.bg-ask--hover:hover {
    background: var(--color-ask--hover);
}

.text-bid {
    color: var(--color-bid);
}

.text-ask {
    color: var(--color-ask);
}

.border-bid {
    border-color: var(--color-bid);
}

.border-ask {
    border-color: var(--color-ask);
}

/* Background utilities */
.bg-primary {
    background: var(--bg-primary);
}

.bg-secondary {
    background: var(--bg-secondary);
}

.bg-widget {
    background: var(--bg-widget);
}

.bg-toolbar {
    background: var(--bg-toolbar);
}

/* Text utilities */
.text-primary {
    color: var(--text-primary);
}

.text-secondary {
    color: var(--text-secondary);
}

.text-tertiary {
    color: var(--text-tertiary);
}

.text-inverse {
    color: var(--text-inverse);
}

/* Text weight utilities */
.text-normal {
    font-weight: var(--font-weight-normal);
}

.text-medium {
    font-weight: var(--font-weight-medium);
}

.text-semibold {
    font-weight: var(--font-weight-semibold);
}

.text-bold {
    font-weight: var(--font-weight-bold);
}

/* Border utilities */
.border-default {
    border: 1px solid var(--border-default);
}

.border-strong {
    border: 2px solid var(--border-strong);
}

.border-subtle {
    border: 1px solid var(--border-subtle);
}

/* Border radius utilities */
.rounded-sm {
    border-radius: var(--radius-sm);
}

.rounded-md {
    border-radius: var(--radius-md);
}

.rounded-lg {
    border-radius: var(--radius-lg);
}

.rounded-xl {
    border-radius: var(--radius-xl);
}

.rounded-full {
    border-radius: var(--radius-full);
}

/* Shadow utilities */
.shadow-sm {
    box-shadow: var(--shadow-sm);
}

.shadow-md {
    box-shadow: var(--shadow-md);
}

.shadow-lg {
    box-shadow: var(--shadow-lg);
}

.shadow-xl {
    box-shadow: var(--shadow-xl);
}

/* Status utilities */
.bg-success {
    background: var(--color-success);
}

.bg-warning {
    background: var(--color-warning);
}

.bg-danger {
    background: var(--color-danger);
}

.bg-info {
    background: var(--color-info);
}

.text-success {
    color: var(--color-success);
}

.text-warning {
    color: var(--color-warning);
}

.text-danger {
    color: var(--color-danger);
}

.text-info {
    color: var(--color-info);
    font-weight: var(--font-weight-bold);
}

/* ============================================================================
   3. TOOLBAR & NAVIGATION
   ============================================================================ */

/* Main toolbar - fixed at top */
.trd-toolbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--toolbar-height);
    padding: var(--space-2) var(--space-5);
    background: var(--bg-toolbar);
    border-bottom: 1px solid var(--border-subtle);
    z-index: var(--z-toolbar);
    width: 100%;
    margin: 0;
}

/* Sub-toolbar - below main toolbar */
.sub-toolbar {
    position: fixed;
    top: var(--toolbar-height);
    left: 0;
    right: 0;
    height: var(--sub-toolbar-height);
    display: flex;
    align-items: center;
    gap: var(--space-5);
    padding: 0 var(--space-6);
    background: var(--bg-primary);
    z-index: var(--z-sub-toolbar);
}

.sub-toolbar > :first-child {
    margin-right: auto;
}

/* Toolbar layout sections */
.toolbar-left {
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.toolbar-center {
    flex: 1 1 auto;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: var(--space-1) var(--space-5);
}

.toolbar-right {
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

/* Logo styling */
.navbar-logo img,
.logo-image {
    max-height: var(--logo-max-height);
    height: auto;
    width: auto;
    object-fit: contain;
    margin: 0;
    padding: 0;
    vertical-align: middle;
}

.logo-image:hover {
    opacity: 0.9;
}

/* ============================================================================
   4. BUTTONS
   ============================================================================ */

/* --- Base Button --- */
.trd-button {
    background: var(--bg-button);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-lg);
    color: var(--text-primary);
    font-weight: var(--font-weight-medium);
    font-size: var(--font-size-12);
    padding: var(--space-2) var(--space-3);
    min-height: var(--button-height-standard);
    cursor: pointer;
    transition: var(--transition-fast);
    transform: translateZ(0);
}

.trd-button:hover {
    background: var(--bg-button--hover);
}

/* ============================================================================
   5. FORM ELEMENTS
   ============================================================================ */

/* --- Input Fields --- */
.trd-input {
    background: var(--bg-input);
    color: var(--text-primary);
    font-weight: var(--font-weight-medium);
    font-size: var(--font-size-11);
    padding: var(--space-2) var(--space-3);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-sm);
    width: 100%;
    box-sizing: border-box;
    transition: var(--transition-fast);
}

.trd-input:focus {
    border-color: var(--border-focus);
    outline: none;
}

.trd-input:disabled {
    opacity: var(--opacity-disabled);
    cursor: not-allowed;
}

/* --- Select Dropdowns --- */
select.trd-select,
.instrument-type-select,
.search-instrument-select {
    background: var(--bg-input);
    color: var(--text-primary);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-sm);
    padding: var(--space-2) var(--space-3);
    font-size: var(--font-size-11);
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23f0f6fc' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6,9 12,15 18,9'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right var(--space-3) center;
    background-size: var(--space-5);
    padding-right: var(--space-8);
}

select.trd-select option {
    background: var(--bg-widget);
    color: var(--text-primary);
    padding: var(--space-3) var(--space-4);
}

/* --- Dropdown Menus --- */
.dropdown-menu {
    background: var(--bg-widget);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    min-width: 12.5rem;
    max-height: 25rem;
    overflow-y: auto;
    margin-top: var(--space-1);
    padding: var(--space-2);
}

.dropdown-item {
    color: var(--text-primary);
    padding: var(--space-3) var(--space-4);
    font-size: var(--font-size-12);
    background: transparent;
    border: none;
    cursor: pointer;
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
    text-align: left;
    width: 100%;
}

.dropdown-item:hover {
    background: var(--bg-button--hover);
    color: var(--text-primary);
}

.dropdown-header {
    color: var(--text-secondary);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    font-size: var(--font-size-10);
    letter-spacing: 0.5px;
    padding: var(--space-2) var(--space-4);
}

.dropdown-divider {
    height: 1px;
    background: var(--border-subtle);
    margin: var(--space-2) 0;
    opacity: 0.3;
}

/* ============================================================================
   6. ICON BUTTONS
   ============================================================================ */

.icon-btn {
    width: var(--space-12);
    height: var(--space-8);
    border: 2px solid var(--border-subtle);
    background-color: rgba(0, 0, 0, 0.04);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-18);
    cursor: pointer;
    transition: var(--transition-base);
}

.icon-btn:hover {
    background-color: var(--bg-button--hover);
    color: var(--text-primary);
    transform: translateX(2px);
}

.icon-btn.active {
    background-color: var(--color-primary);
    color: var(--text-inverse);
}

/* Hamburger menu button - hidden on desktop, shown on mobile */
.mobile-hamburger {
    display: none;
}

.icon-btn.icon-btn-with-label {
    width: auto;
    padding: 0 var(--space-3);
    gap: var(--space-2);
    font-size: var(--font-size-12);
    font-weight: var(--font-weight-semibold);
    text-decoration: none;
}

.icon-btn.icon-btn-with-label i {
    font-size: var(--font-size-18);
}

/* ============================================================================
   7. TABLES
   ============================================================================ */

/* --- Base Table Styles --- */
.table {
    width: 100%;
    margin-bottom: var(--space-2);
    color: var(--text-primary);
}

.table th,
.table td {
    padding: var(--space-2) var(--space-3);
    color: var(--text-primary);
    font-weight: var(--font-weight-medium);
    vertical-align: middle;
}

.table thead th {
    background: var(--bg-toolbar);
    color: var(--text-primary);
    font-weight: var(--font-weight-semibold);
    border-color: var(--border-default);
}

.table tbody td {
    background-color: transparent;
    color: var(--text-primary);
    border-color: var(--border-default);
}

.table-hover tbody tr:hover {
    background-color: var(--bg-button--hover);
}

.table-hover tbody tr:hover td {
    background-color: var(--bg-button--hover);
    color: var(--text-primary);
}

/* --- Zebra Striped Tables --- */
.table-striped tbody tr:nth-child(even),
.table-striped tbody tr:nth-child(even) td {
    background-color: var(--bg-table-row-even);
}

.table-striped tbody tr:nth-child(odd),
.table-striped tbody tr:nth-child(odd) td {
    background-color: var(--bg-table-row-odd);
}

/* Maintain hover effect over zebra stripes */
.table-striped.table-hover tbody tr:hover,
.table-striped.table-hover tbody tr:hover td {
    background-color: var(--bg-button--hover);
}

/* Hidden table cell */
.hidden-cell {
    display: none;
}

/* ============================================================================
   8. MOBILE RESPONSIVE
   ============================================================================ */

/* Desktop-only visibility */
.desktop-only {
    display: flex;
}

@media (max-width: 768px), (pointer: coarse) {
    /* Hide desktop-only elements on mobile/touch */
    .desktop-only {
        display: none !important;
    }
}

@media (max-width: 768px) {
    /* Compact toolbar spacing */
    .trd-toolbar {
        padding: 0 var(--space-2);
    }

    /* Hamburger visible on mobile */
    .mobile-hamburger {
        display: flex;
    }

    /* Dropdown items — bigger touch targets */
    .dropdown-item {
        padding: var(--space-3) var(--space-4);
        font-size: var(--font-size-12);
        min-height: 44px;
        display: flex;
        align-items: center;
    }

    /* Wider scrollbar for touch */
    *::-webkit-scrollbar {
        width: 10px;
        height: 10px;
    }
}

@media (max-width: 430px) {
    /* Tighter toolbar on phone */
    .trd-toolbar {
        padding: 0 var(--space-1);
    }

    /* Compact dropdowns */
    .dropdown-menu {
        min-width: auto;
        padding: var(--space-1);
    }

    .dropdown-item {
        font-size: var(--font-size-11);
        padding: var(--space-2) var(--space-3);
        min-height: 40px;
    }
}

/* ============================================================================
   9. ACCESSIBILITY & STATES
   ============================================================================ */

/* --- HTMX Loading Indicators --- */
.htmx-indicator {
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.htmx-request .htmx-indicator,
.htmx-indicator.htmx-request {
    opacity: 1;
}

.trd-loading-anchor {
    position: relative;
}

.trd-loading-indicator {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: none;
    z-index: 5;
}

/* --- Reduced Motion --- */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms;
        animation-iteration-count: 1;
        transition-duration: 0.01ms;
        scroll-behavior: auto;
    }
}

/* ============================================================================
   END OF CORE.CSS
   ============================================================================ */