/* ============================================
   JustVuIt Homepage Styles
   AWS Console–Inspired Service Console
   ============================================ */

/* ----------------------------------------
   CSS Custom Properties (Design Tokens)
   ---------------------------------------- */
:root {
    /* Colors — AWS Console Dark Palette */
    --color-bg-primary: #0f1b2d;
    --color-bg-secondary: #161e2d;
    --color-bg-tertiary: #192534;
    --color-bg-elevated: #1d2b3a;
    --color-bg-hover: #243143;

    /* Text Colors */
    --color-text-primary: #d5dbdb;
    --color-text-secondary: #8d9baa;
    --color-text-tertiary: #687787;
    --color-text-muted: #506070;

    /* Accent Colors — AWS-style blue */
    --color-accent-primary: #539fe5;
    --color-accent-hover: #89bceb;
    --color-accent-active: #2e7bbf;
    --color-accent-secondary: #539fe5;

    /* Status Colors */
    --color-success: #2ea043;
    --color-warning: #e09b13;
    --color-error: #d13212;
    --color-info: #539fe5;

    /* Border Colors */
    --color-border: #364150;
    --color-border-hover: #506070;

    /* Typography — Amazon Ember-style stack */
    --font-family: 'Inter', 'Amazon Ember', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 0.9375rem;
    --font-size-lg: 1.0625rem;
    --font-size-xl: 1.1875rem;
    --font-size-2xl: 1.375rem;
    --font-size-3xl: 1.75rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;

    /* Font Weights */
    --font-weight-regular: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.25rem;
    --spacing-xl: 1.5rem;
    --spacing-2xl: 2rem;
    --spacing-3xl: 3rem;
    --spacing-4xl: 4rem;
    --spacing-5xl: 5rem;

    /* Border Radius — AWS uses tight, squared-off radii */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;

    /* Shadows — minimal and grounded */
    --shadow-sm: 0 1px 1px rgba(0, 0, 0, 0.25);
    --shadow-md: 0 1px 4px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 2px 8px rgba(0, 0, 0, 0.4);

    /* Transitions */
    --transition-fast: 120ms ease;
    --transition-base: 200ms ease;

    /* Z-Index Scale */
    --z-base: 1;
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-fixed: 300;
    --z-modal: 400;
    --z-tooltip: 500;

    /* Container */
    --container-max: 1280px;
    --container-padding: 1.5rem;
}

/* ----------------------------------------
   Reset & Base Styles
   ---------------------------------------- */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    color-scheme: dark;
    -webkit-text-size-adjust: 100%;
    -moz-text-size-adjust: 100%;
    text-size-adjust: 100%;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-regular);
    line-height: 1.5;
    color: var(--color-text-primary);
    background-color: var(--color-bg-primary);
    overflow-x: hidden;
    overscroll-behavior-y: none;
}

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

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

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

ul, ol {
    list-style: none;
}

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

/* Touch & Mobile Interaction Optimizations */
a,
button,
input,
select,
textarea {
    -webkit-tap-highlight-color: transparent;
}

a,
button {
    touch-action: manipulation;
}

*:focus-visible {
    outline: 2px solid var(--color-accent-primary);
    outline-offset: 2px;
}

/* ----------------------------------------
   Utility Classes
   ---------------------------------------- */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.gradient-text {
    color: var(--color-accent-primary);
}

/* ----------------------------------------
   Button Styles
   ---------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: 6px var(--spacing-lg);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    transition: background var(--transition-fast), border-color var(--transition-fast);
    white-space: nowrap;
    cursor: pointer;
}

.btn-primary {
    background: var(--color-accent-primary);
    color: #0f1b2d;
    border-color: var(--color-accent-primary);
}

.btn-primary:hover {
    background: var(--color-accent-hover);
    border-color: var(--color-accent-hover);
}

.btn-secondary {
    background: transparent;
    color: var(--color-text-primary);
    border: 1px solid var(--color-border);
}

.btn-secondary:hover {
    background: var(--color-bg-hover);
    border-color: var(--color-border-hover);
}

/* ----------------------------------------
   Navigation — AWS-style top bar
   ---------------------------------------- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-fixed);
    padding: 0;
    padding-top: env(safe-area-inset-top, 0px);
    background: var(--color-bg-secondary);
    border-bottom: 1px solid var(--color-border);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 max(var(--container-padding), env(safe-area-inset-right, 0px));
    padding-left: max(var(--container-padding), env(safe-area-inset-left, 0px));
    height: 48px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
}

.nav-logo i {
    color: var(--color-accent-primary);
    font-size: var(--font-size-lg);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
}

.nav-link {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
}

.nav-link:hover {
    color: var(--color-text-primary);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.nav-toggle {
    display: none;
    width: 24px;
    height: 24px;
    position: relative;
}

.hamburger,
.hamburger::before,
.hamburger::after {
    position: absolute;
    width: 20px;
    height: 2px;
    background: var(--color-text-primary);
    border-radius: 1px;
    transition: all var(--transition-base);
}

.hamburger {
    top: 50%;
    transform: translateY(-50%);
}

.hamburger::before,
.hamburger::after {
    content: '';
    left: 0;
}

.hamburger::before {
    top: -6px;
}

.hamburger::after {
    top: 6px;
}

.nav-toggle.active .hamburger {
    background: transparent;
}

.nav-toggle.active .hamburger::before {
    top: 0;
    transform: rotate(45deg);
}

.nav-toggle.active .hamburger::after {
    top: 0;
    transform: rotate(-45deg);
}

/* ----------------------------------------
   Welcome Banner — compact header with search
   ---------------------------------------- */
.welcome-banner {
    padding: var(--spacing-3xl) 0 var(--spacing-2xl);
    padding-top: calc(var(--spacing-3xl) + 48px);
    background: var(--color-bg-secondary);
    border-bottom: 1px solid var(--color-border);
}

.welcome-banner .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-2xl);
}

.welcome-content {
    flex: 1;
    min-width: 0;
}

.welcome-title {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    line-height: 1.25;
    letter-spacing: -0.01em;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-xs);
}

.welcome-subtitle {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    line-height: 1.5;
}

.welcome-search {
    flex-shrink: 0;
    width: 320px;
}

.search-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.search-wrapper > i {
    position: absolute;
    left: var(--spacing-md);
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    pointer-events: none;
}

.search-wrapper input {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md) var(--spacing-sm) calc(var(--spacing-md) + 24px);
    font-size: var(--font-size-sm);
    font-family: var(--font-family);
    color: var(--color-text-primary);
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    outline: none;
    transition: border-color var(--transition-fast);
}

.search-wrapper input::placeholder {
    color: var(--color-text-muted);
}

.search-wrapper input:focus {
    border-color: var(--color-accent-primary);
    box-shadow: 0 0 0 2px rgba(83, 159, 229, 0.25);
}

.search-shortcut {
    position: absolute;
    right: var(--spacing-sm);
    padding: 1px 6px;
    font-size: var(--font-size-xs);
    font-family: var(--font-family);
    color: var(--color-text-muted);
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: 3px;
    pointer-events: none;
}

/* ----------------------------------------
   Portal Access — Buyer / Vendor cards
   ---------------------------------------- */
.portal-access {
    padding: var(--spacing-2xl) 0;
    background: var(--color-bg-primary);
}

.portal-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
}

.portal-card {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    padding: var(--spacing-xl);
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    cursor: pointer;
    text-align: left;
    transition: border-color var(--transition-fast), background var(--transition-fast);
}

.portal-card:hover {
    background: var(--color-bg-elevated);
    border-color: var(--color-accent-primary);
}

.portal-card-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: var(--color-bg-hover);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    flex-shrink: 0;
}

.portal-card-icon i {
    font-size: var(--font-size-xl);
    color: var(--color-accent-primary);
}

.portal-card-body {
    flex: 1;
    min-width: 0;
}

.portal-card-title {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-xs);
}

.portal-card-desc {
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
    line-height: 1.4;
}

.portal-card-arrow {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    flex-shrink: 0;
    transition: color var(--transition-fast);
}

.portal-card:hover .portal-card-arrow {
    color: var(--color-accent-primary);
}

/* ----------------------------------------
   Service Console — AWS-style service grid
   ---------------------------------------- */
.service-console {
    padding: var(--spacing-2xl) 0 var(--spacing-4xl);
    background: var(--color-bg-primary);
}

/* Category Filter */
.category-filter {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-2xl);
}

.category-btn {
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-secondary);
    background: transparent;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.category-btn:hover {
    color: var(--color-text-primary);
    border-color: var(--color-border-hover);
}

.category-btn.active {
    color: #0f1b2d;
    background: var(--cat-color, var(--color-accent-primary));
    border-color: var(--cat-color, var(--color-accent-primary));
}

/* No Results */
.no-results {
    text-align: center;
    padding: var(--spacing-4xl) 0;
    color: var(--color-text-muted);
}

.no-results i {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--spacing-md);
    display: block;
}

.no-results p {
    font-size: var(--font-size-sm);
}

/* Service Grid */
.service-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(min(100%, 280px), 1fr));
    gap: var(--spacing-lg);
}

/* Category Group */
.service-category {
    grid-column: 1 / -1;
    margin-top: var(--spacing-lg);
}

.service-category:first-child {
    margin-top: 0;
}

.category-heading {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--color-border);
    margin-bottom: var(--spacing-lg);
}

.category-heading::before {
    content: '';
    display: inline-block;
    width: 3px;
    height: 14px;
    background: var(--cat-color, var(--color-accent-primary));
    border-radius: 2px;
    flex-shrink: 0;
}

.category-services {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(min(100%, 280px), 1fr));
    gap: var(--spacing-lg);
}

/* Service Card */
.service-card {
    display: flex;
    flex-direction: column;
    position: relative;
    padding: var(--spacing-xl);
    padding-right: calc(var(--spacing-xl) + 52px);
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-top: 2px solid var(--cat-color, var(--color-border));
    border-radius: var(--radius-md);
    cursor: pointer;
    text-align: left;
    transition: border-color var(--transition-fast), background var(--transition-fast);
}

.service-card:hover {
    background: var(--cat-bg, var(--color-bg-elevated));
    border-color: var(--cat-color, var(--color-accent-primary));
    border-top-color: var(--cat-color, var(--color-accent-primary));
}

/* Icon — positioned top-right of card */
.service-icon {
    position: absolute;
    top: var(--spacing-xl);
    right: var(--spacing-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    min-width: 36px;
    min-height: 36px;
    background: var(--cat-bg, var(--color-bg-hover));
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.service-icon i {
    font-size: var(--font-size-sm);
    color: var(--cat-color, var(--color-accent-primary));
    line-height: 1;
}

.service-title {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-xs);
}

.service-description {
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
    line-height: 1.5;
    flex: 1;
}

.service-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-md);
}

.service-tag {
    padding: 1px var(--spacing-sm);
    font-size: 0.6875rem;
    color: var(--color-text-tertiary);
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: 3px;
}

/* ----------------------------------------
   Category Colors — AWS-style service accents
   Each category defines --cat-color and --cat-bg.
   Cards, headings, and filter buttons inherit via
   [data-category] — no JS color mapping needed.
   ---------------------------------------- */

/* Procurement — warm amber */
.service-card[data-category="Procurement"],
.service-category[data-category="Procurement"],
.category-btn[data-category="Procurement"] {
    --cat-color: #e09b13;
    --cat-bg: rgba(224, 155, 19, 0.10);
}

/* Analytics — data blue */
.service-card[data-category="Analytics"],
.service-category[data-category="Analytics"],
.category-btn[data-category="Analytics"] {
    --cat-color: #539fe5;
    --cat-bg: rgba(83, 159, 229, 0.10);
}

/* Communication — green */
.service-card[data-category="Communication"],
.service-category[data-category="Communication"],
.category-btn[data-category="Communication"] {
    --cat-color: #2ea043;
    --cat-bg: rgba(46, 160, 67, 0.10);
}

/* AI & Automation — purple */
.service-card[data-category="AI & Automation"],
.service-category[data-category="AI & Automation"],
.category-btn[data-category="AI & Automation"] {
    --cat-color: #a371f7;
    --cat-bg: rgba(163, 113, 247, 0.10);
}

/* Administration — cool slate-blue */
.service-card[data-category="Administration"],
.service-category[data-category="Administration"],
.category-btn[data-category="Administration"] {
    --cat-color: #79c0ff;
    --cat-bg: rgba(121, 192, 255, 0.10);
}

/* ----------------------------------------
   Footer — AWS-style footer
   ---------------------------------------- */
.footer {
    padding: var(--spacing-3xl) 0 var(--spacing-2xl);
    background: var(--color-bg-secondary);
    border-top: 1px solid var(--color-border);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-3xl);
    margin-bottom: var(--spacing-2xl);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-primary);
}

.footer-logo i {
    color: var(--color-accent-primary);
}

.footer-tagline {
    font-size: var(--font-size-xs);
    color: var(--color-text-tertiary);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-2xl);
}

.footer-column h4 {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-md);
}

.footer-column ul {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-column a {
    font-size: var(--font-size-sm);
    color: var(--color-accent-primary);
    transition: color var(--transition-fast);
}

.footer-column a:hover {
    color: var(--color-accent-hover);
}

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--color-border);
}

.footer-bottom p {
    font-size: var(--font-size-xs);
    color: var(--color-text-tertiary);
}

.footer-social {
    display: flex;
    gap: var(--spacing-sm);
}

.footer-social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: transparent;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text-tertiary);
    transition: border-color var(--transition-fast), color var(--transition-fast);
}

.footer-social a:hover {
    border-color: var(--color-accent-primary);
    color: var(--color-accent-primary);
}

/* ----------------------------------------
   Responsive Design
   ---------------------------------------- */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 48px;
        left: 0;
        right: 0;
        flex-direction: column;
        background: var(--color-bg-secondary);
        border-bottom: 1px solid var(--color-border);
        padding: var(--spacing-lg);
        gap: var(--spacing-md);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-base);
    }

    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav-actions {
        display: none;
    }

    .nav-toggle {
        display: block;
    }

    .welcome-banner .container {
        flex-direction: column;
        align-items: stretch;
        text-align: center;
    }

    .welcome-search {
        width: 100%;
    }

    .portal-cards {
        grid-template-columns: 1fr;
    }

    .category-services {
        grid-template-columns: 1fr;
    }

    .service-grid {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
        text-align: center;
    }

    .footer-logo {
        justify-content: center;
    }

    .footer-links {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }
}

@media (max-width: 480px) {
    :root {
        --container-padding: 1rem;
    }

    .welcome-title {
        font-size: var(--font-size-2xl);
    }

    .category-filter {
        gap: var(--spacing-xs);
    }

    .service-card {
        padding: var(--spacing-lg);
        padding-right: calc(var(--spacing-lg) + 48px);
    }

    .service-icon {
        top: var(--spacing-lg);
        right: var(--spacing-lg);
    }
}

@media (max-width: 360px) {
    :root {
        --container-padding: 0.75rem;
    }

    .welcome-subtitle {
        font-size: var(--font-size-xs);
    }
}

/* ----------------------------------------
   Touch Device Optimizations
   ---------------------------------------- */
@media (hover: none) and (pointer: coarse) {
    /* Minimum 44px touch targets (WCAG 2.5.8) */
    .nav-link {
        min-height: 44px;
        display: flex;
        align-items: center;
    }

    .btn {
        min-height: 44px;
    }

    .footer-social a {
        width: 44px;
        height: 44px;
    }

    .category-btn {
        min-height: 44px;
        display: inline-flex;
        align-items: center;
    }

    .auth-toggle-password {
        width: 44px;
        height: 44px;
    }

    .auth-modal-close {
        width: 44px;
        height: 44px;
    }

    .auth-resend-btn {
        min-height: 44px;
        display: inline-flex;
        align-items: center;
    }
}

/* ----------------------------------------
   Safe Area Insets (Notched Phones)
   ---------------------------------------- */
@supports (padding: env(safe-area-inset-bottom)) {
    .footer-bottom {
        padding-bottom: calc(var(--spacing-md) + env(safe-area-inset-bottom));
    }

    .nav-menu.active {
        padding-left: env(safe-area-inset-left);
        padding-right: env(safe-area-inset-right);
    }
}

/* ----------------------------------------
   Auth Modal
   ---------------------------------------- */
.auth-modal-overlay {
    position: fixed;
    inset: 0;
    z-index: var(--z-modal);
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.75);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-base), visibility var(--transition-base);
}

.auth-modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.auth-modal {
    position: relative;
    width: 100%;
    max-width: 440px;
    margin: var(--spacing-md);
    padding: var(--spacing-2xl);
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    transform: translateY(12px);
    opacity: 0;
    transition: transform var(--transition-base), opacity var(--transition-base);
    max-height: 90vh;
    overflow-y: auto;
}

.auth-modal-overlay.active .auth-modal {
    transform: translateY(0);
    opacity: 1;
}

.auth-modal-close {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: var(--radius-sm);
    color: var(--color-text-tertiary);
    transition: all var(--transition-fast);
}

.auth-modal-close:hover {
    background: var(--color-bg-hover);
    color: var(--color-text-primary);
}

.auth-modal-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.auth-modal-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-sm);
}

.auth-modal-logo i {
    color: var(--color-accent-primary);
}

.auth-modal-portal-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-tertiary);
    font-weight: var(--font-weight-medium);
}

.auth-modal-portal-label.portal-buyer {
    color: var(--color-accent-primary);
}

.auth-modal-portal-label.portal-vendor {
    color: var(--color-accent-secondary);
}

/* Auth Tabs */
.auth-tabs {
    display: flex;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs);
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-xl);
}

.auth-tab {
    flex: 1;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-tertiary);
    border-radius: var(--radius-xs);
    transition: all var(--transition-fast);
}

.auth-tab.active {
    background: var(--color-bg-tertiary);
    color: var(--color-text-primary);
    border: 1px solid var(--color-border);
}

.auth-tab:hover:not(.active) {
    color: var(--color-text-secondary);
}

/* Auth Form */
.auth-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.auth-field-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.auth-field label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xs);
}

.auth-input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.auth-input-wrapper > i {
    position: absolute;
    left: var(--spacing-md);
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    pointer-events: none;
}

.auth-input-wrapper input {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-md) var(--spacing-md) calc(var(--spacing-md) + 24px);
    font-size: var(--font-size-base);
    font-family: var(--font-family);
    color: var(--color-text-primary);
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    outline: none;
    transition: border-color var(--transition-fast);
}

.auth-input-wrapper input::placeholder {
    color: var(--color-text-muted);
}

.auth-input-wrapper input:focus {
    border-color: var(--color-accent-primary);
    box-shadow: 0 0 0 2px rgba(83, 159, 229, 0.25);
}

.auth-toggle-password {
    position: absolute;
    right: var(--spacing-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    color: var(--color-text-muted);
    border-radius: var(--radius-xs);
    transition: color var(--transition-fast);
}

.auth-toggle-password:hover {
    color: var(--color-text-secondary);
}

/* Auth Error */
.auth-error {
    font-size: var(--font-size-sm);
    color: var(--color-error);
    min-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: all var(--transition-fast);
}

.auth-error.visible {
    min-height: 20px;
    opacity: 1;
}

/* Auth Submit Button */
.auth-submit {
    position: relative;
    width: 100%;
    margin-top: var(--spacing-sm);
    padding: 8px var(--spacing-xl);
}

.auth-submit.loading {
    cursor: not-allowed;
    opacity: 0.7;
}

.auth-forgot-password {
    text-align: center;
    margin-top: var(--spacing-sm);
}

.auth-forgot-password a {
    color: var(--color-accent-primary);
    font-size: var(--font-size-xs);
    text-decoration: none;
}

.auth-forgot-password a:hover {
    text-decoration: underline;
}

.auth-spinner {
    position: absolute;
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Auth Modal Responsive */
@media (max-width: 480px) {
    .auth-modal {
        margin: var(--spacing-sm);
        padding: var(--spacing-lg);
    }

    .auth-field-row {
        grid-template-columns: 1fr;
    }
}

/* ----------------------------------------
   Auth Verification & Dynamic State Styles
   Used by account-authority.js for injected UI
   ---------------------------------------- */

/* Verification Code Entry */
.auth-verify-icon {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.auth-verify-icon i {
    font-size: 28px;
    color: var(--color-accent-secondary);
}

.auth-verify-title {
    color: var(--color-text-primary);
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    margin: 0 0 var(--spacing-sm);
    text-align: center;
}

.auth-verify-subtitle {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    text-align: center;
    margin: 0 0 var(--spacing-xl);
    line-height: 1.5;
}

.auth-verify-subtitle strong {
    color: var(--color-text-primary);
}

/* Verification code input — 16px min prevents iOS zoom */
.auth-verify-code-input {
    letter-spacing: 0.35em !important;
    text-align: center !important;
    font-weight: var(--font-weight-semibold) !important;
    font-variant-numeric: tabular-nums;
}

.auth-verify-expiry {
    color: var(--color-text-muted);
    font-size: var(--font-size-xs);
    text-align: center;
    margin: var(--spacing-sm) 0 0;
}

.auth-verify-resend-wrapper {
    text-align: center;
    margin-top: var(--spacing-sm);
}

.auth-resend-btn {
    background: none;
    border: none;
    color: var(--color-accent-secondary);
    cursor: pointer;
    font-size: var(--font-size-xs);
    font-family: var(--font-family);
    text-decoration: underline;
    padding: var(--spacing-xs) 0;
    transition: color var(--transition-fast);
}

.auth-resend-btn:hover {
    color: var(--color-text-primary);
}

/* Verification Success */
.auth-verify-success {
    text-align: center;
    padding: var(--spacing-xl) 0;
}

.auth-verify-success i {
    font-size: 48px;
    color: var(--color-success);
    margin-bottom: var(--spacing-md);
    display: block;
}

.auth-verify-success h3 {
    color: var(--color-text-primary);
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    margin: 0 0 var(--spacing-sm);
}

.auth-verify-success p {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    margin: 0;
}

/* Forgot Password */
.auth-forgot-description {
    text-align: center;
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    line-height: 1.5;
    margin: 0 0 var(--spacing-xl);
}

.auth-back-link {
    display: inline-block;
    color: var(--color-accent-primary);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    text-decoration: none;
    transition: color var(--transition-fast);
    margin-top: var(--spacing-xl);
}

.auth-back-link:hover {
    color: var(--color-accent-hover);
}

/* Forgot Password Success */
.auth-forgot-success {
    text-align: center;
    padding: var(--spacing-2xl) 0 var(--spacing-md);
}

.auth-forgot-success-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    margin: 0 auto var(--spacing-xl);
    border-radius: 50%;
    background: rgba(83, 159, 229, 0.1);
    border: 1px solid rgba(83, 159, 229, 0.2);
}

.auth-forgot-success-icon i {
    font-size: 24px;
    color: var(--color-accent-primary);
}

.auth-forgot-success .auth-forgot-heading {
    color: var(--color-text-primary);
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    margin: 0 0 var(--spacing-sm);
}

.auth-forgot-success p {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    line-height: 1.6;
    margin: 0 0 var(--spacing-sm);
}

.auth-forgot-success strong {
    color: var(--color-text-primary);
    font-weight: var(--font-weight-medium);
}

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

    html {
        scroll-behavior: auto;
    }
}