/**
 * offthegoop.cloud - Common Stylesheet
 * Shared styling for all integrated applications
 */

/* ===== Root Variables ===== */
:root {
    /* Color scheme */
    --color-background: #08090A;
    --color-surface: #0B0D0E;
    --color-surface-variant: #101214;
    --color-primary: #0066cc;
    --color-primary-hover: #0055aa;
    --color-secondary: #5c7fee;
    --color-accent: #00c2ff;

    /* Text colors */
    --color-text-primary: #FFFFFF;
    --color-text-secondary: #DADADA;
    --color-text-muted: #7F7F7F;

    /* UI elements */
    --color-border: #222222;
    --color-success: #27ae60;
    --color-warning: #f1c40f;
    --color-error: #e74c3c;
    --color-info: #0066cc;

    /* Typography */
    --font-family-base: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Helvetica Neue', sans-serif;
    --font-size-xs: 0.75rem;   /* 12px */
    --font-size-sm: 0.875rem;  /* 14px */
    --font-size-md: 1rem;      /* 16px */
    --font-size-lg: 1.125rem;  /* 18px */
    --font-size-xl: 1.25rem;   /* 20px */
    --font-size-2xl: 1.5rem;   /* 24px */
    --font-size-3xl: 1.875rem; /* 30px */

    /* Font weights */
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;

    /* Spacing */
    --spacing-xxs: 0.25rem;    /* 4px */
    --spacing-xs: 0.5rem;      /* 8px */
    --spacing-sm: 0.75rem;     /* 12px */
    --spacing-md: 1rem;        /* 16px */
    --spacing-lg: 1.5rem;      /* 24px */
    --spacing-xl: 2rem;        /* 32px */
    --spacing-2xl: 3rem;       /* 48px */

    /* Border radius */
    --radius-sm: 0.25rem;     /* 4px */
    --radius-md: 0.5rem;      /* 8px */
    --radius-lg: 1rem;        /* 16px */
    --radius-xl: 1.5rem;      /* 24px */
    --radius-full: 9999px;    /* Pill shape */

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 300ms ease;
    --transition-slow: 500ms ease;

    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.18);
    --shadow-xl: 0 12px 24px rgba(0, 0, 0, 0.24);

    /* Z-index layers */
    --z-base: 1;
    --z-above: 10;
    --z-header: 100;
    --z-modal: 1000;
    --z-toast: 2000;
}

/* ===== Container (Layout) ===== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.container-narrow {
    max-width: 900px;
}

.container-wide {
    max-width: 1400px;
}

/* ===== Animation Definitions ===== */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeOut {
    from { opacity: 1; }
    to { opacity: 0; }
}

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

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

.fade-in {
    animation: fadeIn var(--transition-slow) forwards;
}

.fade-out {
    animation: fadeOut var(--transition-normal) forwards;
}

.pulse {
    animation: pulse 2s infinite;
}

/* ===== Button Components ===== */
.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-primary);
    color: white;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-md);
    border: none;
    font-family: var(--font-family-base);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-normal);
    user-select: none;
    line-height: 1.5;
    gap: var(--spacing-xs);
}

.button:hover, .button:focus {
    background-color: var(--color-primary-hover);
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    color: white;
}

.button:active {
    transform: translateY(-1px);
}

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

.button-secondary:hover {
    background-color: rgba(255, 255, 255, 0.05);
    color: var(--color-text-primary);
}

.button-success {
    background-color: var(--color-success);
}

.button-success:hover {
    background-color: #219653;
}

.button-warning {
    background-color: var(--color-warning);
    color: #000;
}

.button-warning:hover {
    background-color: #d6ab0a;
    color: #000;
}

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

.button-danger:hover {
    background-color: #c0392b;
}

.button-sm {
    padding: var(--spacing-xxs) var(--spacing-sm);
    font-size: var(--font-size-xs);
}

.button-lg {
    padding: var(--spacing-sm) var(--spacing-xl);
    font-size: var(--font-size-md);
}

.button-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    border-radius: var(--radius-full);
    padding: 0;
}

.button-block {
    display: flex;
    width: 100%;
}

.button:disabled, .button.disabled {
    opacity: 0.6;
    pointer-events: none;
    cursor: not-allowed;
}

/* ===== Form Components ===== */
.form-group {
    margin-bottom: var(--spacing-lg);
}

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

.form-input, .form-textarea, .form-select {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text-primary);
    font-family: var(--font-family-base);
    font-size: var(--font-size-md);
    transition: all var(--transition-normal);
}

.form-input:focus, .form-textarea:focus, .form-select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px rgba(0, 102, 204, 0.2);
}

.form-textarea {
    min-height: 100px;
    resize: vertical;
}

.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3E%3Cpath stroke='%237F7F7F' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3E%3C/svg%3E");
    background-position: right var(--spacing-sm) center;
    background-repeat: no-repeat;
    background-size: 1.5em;
    padding-right: 2.5rem;
}

.form-error {
    color: var(--color-error);
    font-size: var(--font-size-xs);
    margin-top: var(--spacing-xxs);
}

.form-hint {
    color: var(--color-text-muted);
    font-size: var(--font-size-xs);
    margin-top: var(--spacing-xxs);
}

/* ===== Card Component ===== */
.card {
    background-color: var(--color-surface);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    overflow: hidden;
    transition: all var(--transition-normal);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.card-header {
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
}

.card-title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    margin: 0;
}

.card-body {
    padding: var(--spacing-lg);
}

.card-footer {
    padding: var(--spacing-md) var(--spacing-lg);
    border-top: 1px solid var(--color-border);
}

/* ===== Badge Component ===== */
.badge {
    display: inline-flex;
    align-items: center;
    padding: var(--spacing-xxs) var(--spacing-xs);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    line-height: 1;
    letter-spacing: 0.01em;
}

.badge-primary {
    background-color: rgba(0, 102, 204, 0.2);
    color: var(--color-primary);
}

.badge-success {
    background-color: rgba(39, 174, 96, 0.2);
    color: var(--color-success);
}

.badge-warning {
    background-color: rgba(241, 196, 15, 0.2);
    color: var(--color-warning);
}

.badge-error {
    background-color: rgba(231, 76, 60, 0.2);
    color: var(--color-error);
}

.badge-info {
    background-color: rgba(52, 152, 219, 0.2);
    color: #3498db;
}

/* ===== Alert Component ===== */
.alert {
    display: flex;
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    align-items: flex-start;
}

.alert-icon {
    margin-right: var(--spacing-sm);
    font-size: var(--font-size-lg);
    flex-shrink: 0;
}

.alert-content {
    flex-grow: 1;
}

.alert-title {
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-xxs);
}

.alert-close {
    background: none;
    border: none;
    color: inherit;
    cursor: pointer;
    padding: 0;
    font-size: var(--font-size-xl);
    opacity: 0.7;
    transition: opacity var(--transition-fast);
    margin-left: var(--spacing-sm);
}

.alert-close:hover {
    opacity: 1;
}

.alert-info {
    background-color: rgba(0, 102, 204, 0.1);
    border-left: 4px solid var(--color-info);
    color: var(--color-text-secondary);
}

.alert-success {
    background-color: rgba(39, 174, 96, 0.1);
    border-left: 4px solid var(--color-success);
    color: var(--color-text-secondary);
}

.alert-warning {
    background-color: rgba(241, 196, 15, 0.1);
    border-left: 4px solid var(--color-warning);
    color: var(--color-text-secondary);
}

.alert-error {
    background-color: rgba(231, 76, 60, 0.1);
    border-left: 4px solid var(--color-error);
    color: var(--color-text-secondary);
}

/* ===== Loading Spinner ===== */
.spinner {
    display: inline-block;
    width: 30px;
    height: 30px;
    border: 3px solid rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    border-top-color: var(--color-primary);
    animation: spin 1s linear infinite;
}

.spinner-sm {
    width: 20px;
    height: 20px;
    border-width: 2px;
}

.spinner-lg {
    width: 40px;
    height: 40px;
    border-width: 4px;
}

/* ===== Tooltip Component ===== */
.tooltip-container {
    position: relative;
    display: inline-block;
}

.tooltip {
    visibility: hidden;
    position: absolute;
    z-index: var(--z-above);
    bottom: 125%;
    left: 50%;
    transform: translateX(-50%);
    width: max-content;
    max-width: 200px;
    background-color: var(--color-surface-variant);
    color: var(--color-text-secondary);
    text-align: center;
    border-radius: var(--radius-md);
    padding: var(--spacing-xs) var(--spacing-sm);
    opacity: 0;
    transition: opacity var(--transition-normal), visibility var(--transition-normal);
    font-size: var(--font-size-xs);
    pointer-events: none;
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
}

.tooltip::after {
    content: "";
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border-width: 5px;
    border-style: solid;
    border-color: var(--color-surface-variant) transparent transparent transparent;
}

.tooltip-container:hover .tooltip,
.tooltip-container:focus-within .tooltip {
    visibility: visible;
    opacity: 1;
}

/* ===== Pill Navigation ===== */
.pill-nav {
    display: flex;
    background-color: var(--color-surface);
    border-radius: var(--radius-full);
    padding: var(--spacing-xxs);
    width: fit-content;
    border: 1px solid var(--color-border);
}

.pill-link {
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-muted);
    text-decoration: none;
    transition: all var(--transition-normal);
}

.pill-link.active,
.pill-link:hover {
    background-color: rgba(255, 255, 255, 0.05);
    color: var(--color-text-primary);
}

.pill-link.active {
    background-color: rgba(255, 255, 255, 0.1);
}

/* ===== Progress Bar ===== */
.progress {
    height: 8px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background-color: var(--color-primary);
    border-radius: var(--radius-full);
    transition: width var(--transition-slow);
}

.progress-bar-success {
    background-color: var(--color-success);
}

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

.progress-bar-danger {
    background-color: var(--color-error);
}

.progress-striped .progress-bar {
    background-image: linear-gradient(
        45deg,
        rgba(255, 255, 255, 0.15) 25%,
        transparent 25%,
        transparent 50%,
        rgba(255, 255, 255, 0.15) 50%,
        rgba(255, 255, 255, 0.15) 75%,
        transparent 75%,
        transparent
    );
    background-size: 1rem 1rem;
}

.progress-animated .progress-bar {
    animation: progress-animation 1s linear infinite;
}

@keyframes progress-animation {
    0% { background-position: 0 0; }
    100% { background-position: 1rem 0; }
}

/* ===== Utility Classes ===== */
/* Display */
.d-none { display: none !important; }
.d-inline { display: inline !important; }
.d-inline-block { display: inline-block !important; }
.d-block { display: block !important; }
.d-flex { display: flex !important; }
.d-inline-flex { display: inline-flex !important; }
.d-grid { display: grid !important; }

/* Flex utilities */
.flex-row { flex-direction: row !important; }
.flex-column { flex-direction: column !important; }
.flex-grow-1 { flex-grow: 1 !important; }
.flex-shrink-0 { flex-shrink: 0 !important; }
.flex-wrap { flex-wrap: wrap !important; }
.flex-nowrap { flex-wrap: nowrap !important; }
.justify-content-start { justify-content: flex-start !important; }
.justify-content-end { justify-content: flex-end !important; }
.justify-content-center { justify-content: center !important; }
.justify-content-between { justify-content: space-between !important; }
.justify-content-around { justify-content: space-around !important; }
.align-items-start { align-items: flex-start !important; }
.align-items-end { align-items: flex-end !important; }
.align-items-center { align-items: center !important; }
.align-items-baseline { align-items: baseline !important; }
.align-items-stretch { align-items: stretch !important; }
.align-self-start { align-self: flex-start !important; }
.align-self-end { align-self: flex-end !important; }
.align-self-center { align-self: center !important; }
.align-self-baseline { align-self: baseline !important; }
.align-self-stretch { align-self: stretch !important; }

/* Text alignment */
.text-left { text-align: left !important; }
.text-center { text-align: center !important; }
.text-right { text-align: right !important; }

/* Text styles */
.text-primary { color: var(--color-primary) !important; }
.text-success { color: var(--color-success) !important; }
.text-warning { color: var(--color-warning) !important; }
.text-danger { color: var(--color-error) !important; }
.text-muted { color: var(--color-text-muted) !important; }
.text-white { color: white !important; }
.text-truncate {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.text-break { word-break: break-word !important; }
.text-uppercase { text-transform: uppercase !important; }
.text-capitalize { text-transform: capitalize !important; }
.fw-normal { font-weight: var(--font-weight-normal) !important; }
.fw-medium { font-weight: var(--font-weight-medium) !important; }
.fw-semibold { font-weight: var(--font-weight-semibold) !important; }
.fw-bold { font-weight: var(--font-weight-bold) !important; }
.fs-xs { font-size: var(--font-size-xs) !important; }
.fs-sm { font-size: var(--font-size-sm) !important; }
.fs-md { font-size: var(--font-size-md) !important; }
.fs-lg { font-size: var(--font-size-lg) !important; }
.fs-xl { font-size: var(--font-size-xl) !important; }
.fs-2xl { font-size: var(--font-size-2xl) !important; }
.fs-3xl { font-size: var(--font-size-3xl) !important; }

/* Spacing (margin) */
.m-0 { margin: 0 !important; }
.mt-0 { margin-top: 0 !important; }
.mr-0 { margin-right: 0 !important; }
.mb-0 { margin-bottom: 0 !important; }
.ml-0 { margin-left: 0 !important; }
.mx-0 { margin-left: 0 !important; margin-right: 0 !important; }
.my-0 { margin-top: 0 !important; margin-bottom: 0 !important; }

.m-1 { margin: var(--spacing-xxs) !important; }
.mt-1 { margin-top: var(--spacing-xxs) !important; }
.mr-1 { margin-right: var(--spacing-xxs) !important; }
.mb-1 { margin-bottom: var(--spacing-xxs) !important; }
.ml-1 { margin-left: var(--spacing-xxs) !important; }
.mx-1 { margin-left: var(--spacing-xxs) !important; margin-right: var(--spacing-xxs) !important; }
.my-1 { margin-top: var(--spacing-xxs) !important; margin-bottom: var(--spacing-xxs) !important; }

.m-2 { margin: var(--spacing-xs) !important; }
.mt-2 { margin-top: var(--spacing-xs) !important; }
.mr-2 { margin-right: var(--spacing-xs) !important; }
.mb-2 { margin-bottom: var(--spacing-xs) !important; }
.ml-2 { margin-left: var(--spacing-xs) !important; }
.mx-2 { margin-left: var(--spacing-xs) !important; margin-right: var(--spacing-xs) !important; }
.my-2 { margin-top: var(--spacing-xs) !important; margin-bottom: var(--spacing-xs) !important; }

.m-3 { margin: var(--spacing-sm) !important; }
.mt-3 { margin-top: var(--spacing-sm) !important; }
.mr-3 { margin-right: var(--spacing-sm) !important; }
.mb-3 { margin-bottom: var(--spacing-sm) !important; }
.ml-3 { margin-left: var(--spacing-sm) !important; }
.mx-3 { margin-left: var(--spacing-sm) !important; margin-right: var(--spacing-sm) !important; }
.my-3 { margin-top: var(--spacing-sm) !important; margin-bottom: var(--spacing-sm) !important; }

.m-4 { margin: var(--spacing-md) !important; }
.mt-4 { margin-top: var(--spacing-md) !important; }
.mr-4 { margin-right: var(--spacing-md) !important; }
.mb-4 { margin-bottom: var(--spacing-md) !important; }
.ml-4 { margin-left: var(--spacing-md) !important; }
.mx-4 { margin-left: var(--spacing-md) !important; margin-right: var(--spacing-md) !important; }
.my-4 { margin-top: var(--spacing-md) !important; margin-bottom: var(--spacing-md) !important; }

.m-5 { margin: var(--spacing-lg) !important; }
.mt-5 { margin-top: var(--spacing-lg) !important; }
.mr-5 { margin-right: var(--spacing-lg) !important; }
.mb-5 { margin-bottom: var(--spacing-lg) !important; }
.ml-5 { margin-left: var(--spacing-lg) !important; }
.mx-5 { margin-left: var(--spacing-lg) !important; margin-right: var(--spacing-lg) !important; }
.my-5 { margin-top: var(--spacing-lg) !important; margin-bottom: var(--spacing-lg) !important; }

.m-6 { margin: var(--spacing-xl) !important; }
.mt-6 { margin-top: var(--spacing-xl) !important; }
.mr-6 { margin-right: var(--spacing-xl) !important; }
.mb-6 { margin-bottom: var(--spacing-xl) !important; }
.ml-6 { margin-left: var(--spacing-xl) !important; }
.mx-6 { margin-left: var(--spacing-xl) !important; margin-right: var(--spacing-xl) !important; }
.my-6 { margin-top: var(--spacing-xl) !important; margin-bottom: var(--spacing-xl) !important; }

.m-auto { margin: auto !important; }
.mt-auto { margin-top: auto !important; }
.mr-auto { margin-right: auto !important; }
.mb-auto { margin-bottom: auto !important; }
.ml-auto { margin-left: auto !important; }
.mx-auto { margin-left: auto !important; margin-right: auto !important; }
.my-auto { margin-top: auto !important; margin-bottom: auto !important; }

/* Spacing (padding) */
.p-0 { padding: 0 !important; }
.pt-0 { padding-top: 0 !important; }
.pr-0 { padding-right: 0 !important; }
.pb-0 { padding-bottom: 0 !important; }
.pl-0 { padding-left: 0 !important; }
.px-0 { padding-left: 0 !important; padding-right: 0 !important; }
.py-0 { padding-top: 0 !important; padding-bottom: 0 !important; }

.p-1 { padding: var(--spacing-xxs) !important; }
.pt-1 { padding-top: var(--spacing-xxs) !important; }
.pr-1 { padding-right: var(--spacing-xxs) !important; }
.pb-1 { padding-bottom: var(--spacing-xxs) !important; }
.pl-1 { padding-left: var(--spacing-xxs) !important; }
.px-1 { padding-left: var(--spacing-xxs) !important; padding-right: var(--spacing-xxs) !important; }
.py-1 { padding-top: var(--spacing-xxs) !important; padding-bottom: var(--spacing-xxs) !important; }

.p-2 { padding: var(--spacing-xs) !important; }
.pt-2 { padding-top: var(--spacing-xs) !important; }
.pr-2 { padding-right: var(--spacing-xs) !important; }
.pb-2 { padding-bottom: var(--spacing-xs) !important; }
.pl-2 { padding-left: var(--spacing-xs) !important; }
.px-2 { padding-left: var(--spacing-xs) !important; padding-right: var(--spacing-xs) !important; }
.py-2 { padding-top: var(--spacing-xs) !important; padding-bottom: var(--spacing-xs) !important; }

.p-3 { padding: var(--spacing-sm) !important; }
.pt-3 { padding-top: var(--spacing-sm) !important; }
.pr-3 { padding-right: var(--spacing-sm) !important; }
.pb-3 { padding-bottom: var(--spacing-sm) !important; }
.pl-3 { padding-left: var(--spacing-sm) !important; }
.px-3 { padding-left: var(--spacing-sm) !important; padding-right: var(--spacing-sm) !important; }
.py-3 { padding-top: var(--spacing-sm) !important; padding-bottom: var(--spacing-sm) !important; }

.p-4 { padding: var(--spacing-md) !important; }
.pt-4 { padding-top: var(--spacing-md) !important; }
.pr-4 { padding-right: var(--spacing-md) !important; }
.pb-4 { padding-bottom: var(--spacing-md) !important; }
.pl-4 { padding-left: var(--spacing-md) !important; }
.px-4 { padding-left: var(--spacing-md) !important; padding-right: var(--spacing-md) !important; }
.py-4 { padding-top: var(--spacing-md) !important; padding-bottom: var(--spacing-md) !important; }

.p-5 { padding: var(--spacing-lg) !important; }
.pt-5 { padding-top: var(--spacing-lg) !important; }
.pr-5 { padding-right: var(--spacing-lg) !important; }
.pb-5 { padding-bottom: var(--spacing-lg) !important; }
.pl-5 { padding-left: var(--spacing-lg) !important; }
.px-5 { padding-left: var(--spacing-lg) !important; padding-right: var(--spacing-lg) !important; }
.py-5 { padding-top: var(--spacing-lg) !important; padding-bottom: var(--spacing-lg) !important; }

.p-6 { padding: var(--spacing-xl) !important; }
.pt-6 { padding-top: var(--spacing-xl) !important; }
.pr-6 { padding-right: var(--spacing-xl) !important; }
.pb-6 { padding-bottom: var(--spacing-xl) !important; }
.pl-6 { padding-left: var(--spacing-xl) !important; }
.px-6 { padding-left: var(--spacing-xl) !important; padding-right: var(--spacing-xl) !important; }
.py-6 { padding-top: var(--spacing-xl) !important; padding-bottom: var(--spacing-xl) !important; }

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

.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;
}

.sr-only-focusable:not(:focus) {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* Responsive display utilities */
@media (max-width: 767.98px) {
    .d-none-mobile { display: none !important; }
}

@media (min-width: 768px) and (max-width: 1023.98px) {
    .d-none-tablet { display: none !important; }
}

@media (min-width: 1024px) {
    .d-none-desktop { display: none !important; }
}