/*
 * CARING Healthcare Platform - Global Styles
 * Design System: Clean, professional, healthcare-focused
 *
 * Colors: cream #F6F3EC, tan #ECE4DA, brown #B9A590, text #574C3F, dark #36302A
 * Typography: Inter font family
 * Supports: light mode (default) + dark mode (prefers-color-scheme & [data-theme])
 */

/* ============================================================================
   Google Fonts: Inter
   ============================================================================ */

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

/* ============================================================================
   CSS Reset / Normalize
   ============================================================================ */

*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    text-size-adjust: 100%;
    -moz-tab-size: 4;
    tab-size: 4;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto,
                 Oxygen, Ubuntu, Cantarell, 'Fira Sans', 'Droid Sans',
                 'Helvetica Neue', sans-serif;
    line-height: 1.6;
    color: var(--color-text-primary);
    background-color: var(--color-bg-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    min-height: 100vh;
}

img,
picture,
video,
canvas,
svg {
    display: block;
    max-width: 100%;
}

input,
button,
textarea,
select {
    font: inherit;
    color: inherit;
}

button {
    cursor: pointer;
    background: none;
    border: none;
}

a {
    color: inherit;
    text-decoration: none;
}

ul, ol {
    list-style: none;
}

table {
    border-collapse: collapse;
    border-spacing: 0;
}

hr {
    border: none;
    border-top: 1px solid var(--color-border);
    margin: var(--space-xl) 0;
}

/* Remove default search cancel button */
input[type="search"]::-webkit-search-decoration,
input[type="search"]::-webkit-search-cancel-button,
input[type="search"]::-webkit-search-results-button,
input[type="search"]::-webkit-search-results-decoration {
    -webkit-appearance: none;
}

/* ============================================================================
   CSS Custom Properties - Light Mode (Default)
   ============================================================================ */

:root {
    /* ── Core Palette ── */
    --color-cream:     #F6F3EC;
    --color-tan:       #ECE4DA;
    --color-brown:     #B9A590;
    --color-text:      #574C3F;
    --color-dark:      #36302A;

    /* ── Backgrounds ── */
    --color-bg-primary:    #F6F3EC;
    --color-bg-secondary:  #ECE4DA;
    --color-bg-tertiary:   #FFFFFF;
    --color-bg-elevated:   #FFFFFF;

    /* ── Accents ── */
    --color-accent-light:   #B9A590;
    --color-accent-medium:  #9D8B7A;
    --color-accent-dark:    #574C3F;
    --color-accent-darkest: #36302A;

    /* ── Text ── */
    --color-text-primary:   #36302A;
    --color-text-secondary: #574C3F;
    --color-text-muted:     #9D8B7A;
    --color-text-light:     #B9A590;
    --color-text-inverse:   #FFFFFF;

    /* ── Status / Semantic ── */
    --color-success:       #16A085;
    --color-success-light: #E8F5F2;
    --color-success-dark:  #0C6B58;
    --color-warning:       #F39C12;
    --color-warning-light: #FEF4E8;
    --color-warning-dark:  #B7790F;
    --color-error:         #E74C3C;
    --color-error-light:   #FDEBEA;
    --color-error-dark:    #C0392B;
    --color-info:          #3498DB;
    --color-info-light:    #EBF5FD;
    --color-info-dark:     #2C81BA;

    /* ── Borders ── */
    --color-border:       #ECE4DA;
    --color-border-light: #F6F3EC;
    --color-border-dark:  #B9A590;

    /* ── Shadows ── */
    --shadow-sm:  0 1px 2px 0 rgba(54, 48, 42, 0.05);
    --shadow-md:  0 4px 6px -1px rgba(54, 48, 42, 0.1),
                  0 2px 4px -1px rgba(54, 48, 42, 0.06);
    --shadow-lg:  0 10px 15px -3px rgba(54, 48, 42, 0.1),
                  0 4px 6px -2px rgba(54, 48, 42, 0.05);
    --shadow-xl:  0 20px 25px -5px rgba(54, 48, 42, 0.1),
                  0 10px 10px -5px rgba(54, 48, 42, 0.04);

    /* ── Spacing Scale ── */
    --space-xs:  0.25rem;   /*  4px */
    --space-sm:  0.5rem;    /*  8px */
    --space-md:  0.75rem;   /* 12px */
    --space-lg:  1rem;      /* 16px */
    --space-xl:  1.5rem;    /* 24px */
    --space-2xl: 2rem;      /* 32px */
    --space-3xl: 3rem;      /* 48px */
    --space-4xl: 4rem;      /* 64px */

    /* ── Border Radius ── */
    --radius-sm:   0.25rem;  /*  4px */
    --radius-md:   0.375rem; /*  6px */
    --radius-lg:   0.5rem;   /*  8px */
    --radius-xl:   0.75rem;  /* 12px */
    --radius-2xl:  1rem;     /* 16px */
    --radius-full: 9999px;

    /* ── Typography Scale ── */
    --font-family-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI',
                        Roboto, sans-serif;
    --font-family-mono: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', Consolas,
                        monospace;

    --font-size-xs:   0.75rem;   /* 12px */
    --font-size-sm:   0.875rem;  /* 14px */
    --font-size-base: 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-size-4xl:  2.25rem;   /* 36px */
    --font-size-5xl:  3rem;      /* 48px */

    --font-weight-light:    300;
    --font-weight-normal:   400;
    --font-weight-medium:   500;
    --font-weight-semibold: 600;
    --font-weight-bold:     700;

    --line-height-tight:   1.25;
    --line-height-snug:    1.375;
    --line-height-normal:  1.5;
    --line-height-relaxed: 1.75;

    --letter-spacing-tight: -0.025em;
    --letter-spacing-normal: 0;
    --letter-spacing-wide:  0.025em;
    --letter-spacing-wider: 0.05em;

    /* ── Layout ── */
    --container-max-width: 1200px;
    --sidebar-width:       250px;
    --sidebar-width-collapsed: 64px;
    --header-height:       64px;

    /* ── Transitions ── */
    --transition-fast:   150ms ease-in-out;
    --transition-normal: 250ms ease-in-out;
    --transition-slow:   350ms ease-in-out;

    /* ── Z-Index Scale ── */
    --z-base:           1;
    --z-dropdown:       1000;
    --z-sticky:         1020;
    --z-fixed:          1030;
    --z-modal-backdrop: 1040;
    --z-modal:          1050;
    --z-popover:        1060;
    --z-tooltip:        1070;
    --z-toast:          1080;
}

/* ============================================================================
   CSS Custom Properties - Dark Mode
   ============================================================================ */

/* Via prefers-color-scheme media query */
@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
        --color-bg-primary:    #1A1714;
        --color-bg-secondary:  #252118;
        --color-bg-tertiary:   #2F2A24;
        --color-bg-elevated:   #3A342D;

        --color-accent-light:   #C4AE96;
        --color-accent-medium:  #A89279;
        --color-accent-dark:    #D4C4B0;
        --color-accent-darkest: #E8DDD0;

        --color-text-primary:   #F0EBE4;
        --color-text-secondary: #C4B9AA;
        --color-text-muted:     #8A7E70;
        --color-text-light:     #6B6156;
        --color-text-inverse:   #1A1714;

        --color-success-light: #0F2D26;
        --color-warning-light: #2D2210;
        --color-error-light:   #2D1210;
        --color-info-light:    #102030;

        --color-border:       #3A342D;
        --color-border-light: #2F2A24;
        --color-border-dark:  #5A5046;

        --shadow-sm:  0 1px 2px 0 rgba(0, 0, 0, 0.2);
        --shadow-md:  0 4px 6px -1px rgba(0, 0, 0, 0.3),
                      0 2px 4px -1px rgba(0, 0, 0, 0.2);
        --shadow-lg:  0 10px 15px -3px rgba(0, 0, 0, 0.3),
                      0 4px 6px -2px rgba(0, 0, 0, 0.2);
        --shadow-xl:  0 20px 25px -5px rgba(0, 0, 0, 0.3),
                      0 10px 10px -5px rgba(0, 0, 0, 0.2);

        color-scheme: dark;
    }
}

/* Via explicit data-theme attribute (manual toggle) */
[data-theme="dark"] {
    --color-bg-primary:    #1A1714;
    --color-bg-secondary:  #252118;
    --color-bg-tertiary:   #2F2A24;
    --color-bg-elevated:   #3A342D;

    --color-accent-light:   #C4AE96;
    --color-accent-medium:  #A89279;
    --color-accent-dark:    #D4C4B0;
    --color-accent-darkest: #E8DDD0;

    --color-text-primary:   #F0EBE4;
    --color-text-secondary: #C4B9AA;
    --color-text-muted:     #8A7E70;
    --color-text-light:     #6B6156;
    --color-text-inverse:   #1A1714;

    --color-success-light: #0F2D26;
    --color-warning-light: #2D2210;
    --color-error-light:   #2D1210;
    --color-info-light:    #102030;

    --color-border:       #3A342D;
    --color-border-light: #2F2A24;
    --color-border-dark:  #5A5046;

    --shadow-sm:  0 1px 2px 0 rgba(0, 0, 0, 0.2);
    --shadow-md:  0 4px 6px -1px rgba(0, 0, 0, 0.3),
                  0 2px 4px -1px rgba(0, 0, 0, 0.2);
    --shadow-lg:  0 10px 15px -3px rgba(0, 0, 0, 0.3),
                  0 4px 6px -2px rgba(0, 0, 0, 0.2);
    --shadow-xl:  0 20px 25px -5px rgba(0, 0, 0, 0.3),
                  0 10px 10px -5px rgba(0, 0, 0, 0.2);

    color-scheme: dark;
}

/* ============================================================================
   Typography
   ============================================================================ */

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-family-sans);
    font-weight: var(--font-weight-semibold);
    line-height: var(--line-height-tight);
    color: var(--color-text-primary);
    margin-bottom: var(--space-lg);
    letter-spacing: var(--letter-spacing-tight);
}

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

p {
    margin-bottom: var(--space-lg);
    color: var(--color-text-secondary);
}

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

    &:hover,
    &:focus {
        color: var(--color-accent-darkest);
        text-decoration: underline;
    }
}

small {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

strong {
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
}

code, kbd, pre, samp {
    font-family: var(--font-family-mono);
    font-size: 0.875em;
}

code {
    background: var(--color-bg-secondary);
    padding: 0.125em 0.375em;
    border-radius: var(--radius-sm);
}

pre {
    background: var(--color-bg-secondary);
    padding: var(--space-lg);
    border-radius: var(--radius-md);
    overflow-x: auto;

    & code {
        background: none;
        padding: 0;
    }
}

/* ============================================================================
   Layout Utilities
   ============================================================================ */

.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.container-fluid {
    width: 100%;
    padding: 0 var(--space-lg);
}

/* Flexbox */
.d-flex        { display: flex; }
.d-inline-flex { display: inline-flex; }
.flex-column   { flex-direction: column; }
.flex-row      { flex-direction: row; }
.flex-wrap     { flex-wrap: wrap; }
.flex-nowrap   { flex-wrap: nowrap; }

.justify-start   { justify-content: flex-start; }
.justify-center  { justify-content: center; }
.justify-end     { justify-content: flex-end; }
.justify-between { justify-content: space-between; }
.justify-around  { justify-content: space-around; }

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

.flex-1    { flex: 1; }
.flex-auto { flex: auto; }
.flex-none { flex: none; }
.flex-grow { flex-grow: 1; }
.flex-shrink-0 { flex-shrink: 0; }

/* Grid */
.d-grid     { display: grid; }
.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)); }

.gap-xs { gap: var(--space-xs); }
.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }
.gap-xl { gap: var(--space-xl); }
.gap-2xl { gap: var(--space-2xl); }

/* ============================================================================
   Spacing Utilities
   ============================================================================ */

/* Margin */
.m-0   { margin: 0; }
.m-xs  { margin: var(--space-xs); }
.m-sm  { margin: var(--space-sm); }
.m-md  { margin: var(--space-md); }
.m-lg  { margin: var(--space-lg); }
.m-xl  { margin: var(--space-xl); }
.m-2xl { margin: var(--space-2xl); }
.m-auto { margin: auto; }

.mt-0   { margin-top: 0; }
.mt-xs  { margin-top: var(--space-xs); }
.mt-sm  { margin-top: var(--space-sm); }
.mt-md  { margin-top: var(--space-md); }
.mt-lg  { margin-top: var(--space-lg); }
.mt-xl  { margin-top: var(--space-xl); }
.mt-2xl { margin-top: var(--space-2xl); }

.mb-0   { margin-bottom: 0; }
.mb-xs  { margin-bottom: var(--space-xs); }
.mb-sm  { margin-bottom: var(--space-sm); }
.mb-md  { margin-bottom: var(--space-md); }
.mb-lg  { margin-bottom: var(--space-lg); }
.mb-xl  { margin-bottom: var(--space-xl); }
.mb-2xl { margin-bottom: var(--space-2xl); }

.ml-auto { margin-left: auto; }
.mr-auto { margin-right: auto; }

/* Padding */
.p-0   { padding: 0; }
.p-xs  { padding: var(--space-xs); }
.p-sm  { padding: var(--space-sm); }
.p-md  { padding: var(--space-md); }
.p-lg  { padding: var(--space-lg); }
.p-xl  { padding: var(--space-xl); }
.p-2xl { padding: var(--space-2xl); }

.px-0  { padding-left: 0; padding-right: 0; }
.px-xs { padding-left: var(--space-xs); padding-right: var(--space-xs); }
.px-sm { padding-left: var(--space-sm); padding-right: var(--space-sm); }
.px-md { padding-left: var(--space-md); padding-right: var(--space-md); }
.px-lg { padding-left: var(--space-lg); padding-right: var(--space-lg); }
.px-xl { padding-left: var(--space-xl); padding-right: var(--space-xl); }

.py-0  { padding-top: 0; padding-bottom: 0; }
.py-xs { padding-top: var(--space-xs); padding-bottom: var(--space-xs); }
.py-sm { padding-top: var(--space-sm); padding-bottom: var(--space-sm); }
.py-md { padding-top: var(--space-md); padding-bottom: var(--space-md); }
.py-lg { padding-top: var(--space-lg); padding-bottom: var(--space-lg); }
.py-xl { padding-top: var(--space-xl); padding-bottom: var(--space-xl); }

/* ============================================================================
   Display & Positioning Utilities
   ============================================================================ */

.d-none         { display: none; }
.d-block        { display: block; }
.d-inline       { display: inline; }
.d-inline-block { display: inline-block; }

.position-relative { position: relative; }
.position-absolute { position: absolute; }
.position-fixed    { position: fixed; }
.position-sticky   { position: sticky; }

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

/* ============================================================================
   Text Utilities
   ============================================================================ */

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

.text-primary   { color: var(--color-text-primary); }
.text-secondary { color: var(--color-text-secondary); }
.text-muted     { color: var(--color-text-muted); }
.text-success   { color: var(--color-success); }
.text-warning   { color: var(--color-warning); }
.text-error     { color: var(--color-error); }
.text-info      { color: var(--color-info); }

.text-xs   { font-size: var(--font-size-xs); }
.text-sm   { font-size: var(--font-size-sm); }
.text-base { font-size: var(--font-size-base); }
.text-lg   { font-size: var(--font-size-lg); }
.text-xl   { font-size: var(--font-size-xl); }
.text-2xl  { font-size: var(--font-size-2xl); }
.text-3xl  { font-size: var(--font-size-3xl); }

.font-light    { font-weight: var(--font-weight-light); }
.font-normal   { font-weight: var(--font-weight-normal); }
.font-medium   { font-weight: var(--font-weight-medium); }
.font-semibold { font-weight: var(--font-weight-semibold); }
.font-bold     { font-weight: var(--font-weight-bold); }

.truncate {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.line-clamp-2 {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.line-clamp-3 {
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.whitespace-nowrap { white-space: nowrap; }
.break-words       { overflow-wrap: break-word; }

/* ============================================================================
   Background, Border & Shadow Utilities
   ============================================================================ */

.bg-primary   { background-color: var(--color-bg-primary); }
.bg-secondary { background-color: var(--color-bg-secondary); }
.bg-white     { background-color: var(--color-bg-tertiary); }
.bg-elevated  { background-color: var(--color-bg-elevated); }

.border        { border: 1px solid var(--color-border); }
.border-0      { border: 0; }
.border-top    { border-top: 1px solid var(--color-border); }
.border-bottom { border-bottom: 1px solid var(--color-border); }
.border-left   { border-left: 1px solid var(--color-border); }
.border-right  { border-right: 1px solid var(--color-border); }

.rounded       { border-radius: var(--radius-md); }
.rounded-sm    { border-radius: var(--radius-sm); }
.rounded-lg    { border-radius: var(--radius-lg); }
.rounded-xl    { border-radius: var(--radius-xl); }
.rounded-2xl   { border-radius: var(--radius-2xl); }
.rounded-full  { border-radius: var(--radius-full); }
.rounded-none  { border-radius: 0; }

.shadow-none { box-shadow: none; }
.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); }

/* ============================================================================
   Width & Height
   ============================================================================ */

.w-full      { width: 100%; }
.w-auto      { width: auto; }
.h-full      { height: 100%; }
.h-auto      { height: auto; }
.min-h-screen { min-height: 100vh; }
.min-h-0     { min-height: 0; }
.max-w-sm    { max-width: 24rem; }
.max-w-md    { max-width: 28rem; }
.max-w-lg    { max-width: 32rem; }
.max-w-xl    { max-width: 36rem; }
.max-w-2xl   { max-width: 42rem; }
.max-w-full  { max-width: 100%; }

/* ============================================================================
   Cards & Containers
   ============================================================================ */

.card {
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: box-shadow var(--transition-normal);

    &:hover {
        box-shadow: var(--shadow-md);
    }
}

.card-header {
    padding: var(--space-xl);
    border-bottom: 1px solid var(--color-border);
    background: var(--color-bg-primary);
}

.card-body {
    padding: var(--space-xl);
}

.card-footer {
    padding: var(--space-xl);
    border-top: 1px solid var(--color-border);
    background: var(--color-bg-primary);
}

/* ============================================================================
   Buttons
   ============================================================================ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    font-family: var(--font-family-sans);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    line-height: 1;
    text-decoration: none;
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
    user-select: none;

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

    &:disabled {
        opacity: 0.6;
        cursor: not-allowed;
        pointer-events: none;
    }
}

.btn-primary {
    background: var(--color-accent-dark);
    color: var(--color-text-inverse);
    border-color: var(--color-accent-dark);

    &:hover:not(:disabled) {
        background: var(--color-accent-darkest);
        border-color: var(--color-accent-darkest);
    }
}

.btn-secondary {
    background: var(--color-bg-tertiary);
    color: var(--color-text-primary);
    border-color: var(--color-border-dark);

    &:hover:not(:disabled) {
        background: var(--color-bg-secondary);
        border-color: var(--color-accent-dark);
    }
}

.btn-outline {
    background: transparent;
    color: var(--color-accent-dark);
    border-color: var(--color-accent-dark);

    &:hover:not(:disabled) {
        background: var(--color-accent-dark);
        color: var(--color-text-inverse);
    }
}

.btn-ghost {
    background: transparent;
    color: var(--color-text-secondary);
    border-color: transparent;

    &:hover:not(:disabled) {
        background: var(--color-bg-secondary);
        color: var(--color-text-primary);
    }
}

.btn-success { background: var(--color-success); color: white; border-color: var(--color-success); }
.btn-warning { background: var(--color-warning); color: white; border-color: var(--color-warning); }
.btn-error   { background: var(--color-error);   color: white; border-color: var(--color-error); }

.btn-sm    { padding: var(--space-sm) var(--space-md); font-size: var(--font-size-xs); }
.btn-lg    { padding: var(--space-lg) var(--space-2xl); font-size: var(--font-size-base); }
.btn-block { display: flex; width: 100%; }

.btn-icon {
    width: 2.25rem;
    height: 2.25rem;
    padding: 0;
    border-radius: var(--radius-md);

    & svg {
        width: 1.125rem;
        height: 1.125rem;
    }
}

/* ============================================================================
   Forms
   ============================================================================ */

.form-group {
    margin-bottom: var(--space-xl);
}

.form-label {
    display: block;
    margin-bottom: var(--space-sm);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-primary);

    &.required::after {
        content: ' *';
        color: var(--color-error);
    }
}

.form-control {
    display: block;
    width: 100%;
    padding: var(--space-md);
    font-size: var(--font-size-base);
    line-height: var(--line-height-normal);
    color: var(--color-text-primary);
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: border-color var(--transition-fast),
                box-shadow var(--transition-fast);

    &:focus {
        outline: none;
        border-color: var(--color-accent-dark);
        box-shadow: 0 0 0 3px rgba(87, 76, 63, 0.1);
    }

    &::placeholder {
        color: var(--color-text-muted);
    }

    &:disabled {
        background: var(--color-bg-secondary);
        color: var(--color-text-muted);
        cursor: not-allowed;
    }

    &.is-invalid {
        border-color: var(--color-error);

        &:focus {
            box-shadow: 0 0 0 3px rgba(231, 76, 60, 0.15);
        }
    }

    &.is-valid {
        border-color: var(--color-success);

        &:focus {
            box-shadow: 0 0 0 3px rgba(22, 160, 133, 0.15);
        }
    }
}

.form-select {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='m6 8 4 4 4-4'/%3e%3c/svg%3e");
    background-position: right 0.5rem center;
    background-repeat: no-repeat;
    background-size: 1.5em 1.5em;
    padding-right: 2.5rem;
    appearance: none;
}

.form-text {
    margin-top: var(--space-xs);
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.form-error {
    margin-top: var(--space-xs);
    font-size: var(--font-size-sm);
    color: var(--color-error);
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.form-check {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
}

.form-check-input {
    width: 1.125rem;
    height: 1.125rem;
    margin: 0;
    cursor: pointer;
    accent-color: var(--color-accent-dark);
}

.form-check-label {
    margin: 0;
    cursor: pointer;
    font-size: var(--font-size-sm);
}

/* ============================================================================
   Alerts & Status Badges
   ============================================================================ */

.alert {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    padding: var(--space-lg);
    border: 1px solid;
    border-radius: var(--radius-md);
    margin-bottom: var(--space-lg);
}

.alert-success { background: var(--color-success-light); border-color: var(--color-success); color: var(--color-success-dark); }
.alert-warning { background: var(--color-warning-light); border-color: var(--color-warning); color: var(--color-warning-dark); }
.alert-error   { background: var(--color-error-light);   border-color: var(--color-error);   color: var(--color-error-dark); }
.alert-info    { background: var(--color-info-light);    border-color: var(--color-info);    color: var(--color-info-dark); }

.badge {
    display: inline-flex;
    align-items: center;
    padding: var(--space-xs) var(--space-sm);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-wider);
}

.badge-success { background: var(--color-success-light); color: var(--color-success); }
.badge-warning { background: var(--color-warning-light); color: var(--color-warning); }
.badge-error   { background: var(--color-error-light);   color: var(--color-error); }
.badge-info    { background: var(--color-info-light);    color: var(--color-info); }
.badge-neutral {
    background: var(--color-bg-secondary);
    color: var(--color-text-muted);
}

/* ============================================================================
   Loading & Animation
   ============================================================================ */

.loading-spinner {
    display: inline-block;
    width: 1rem;
    height: 1rem;
    border: 2px solid var(--color-border);
    border-radius: 50%;
    border-top-color: var(--color-accent-dark);
    animation: caring-spin 0.8s linear infinite;
}

.loading-spinner--lg {
    width: 2rem;
    height: 2rem;
    border-width: 3px;
}

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

.fade-in {
    animation: caring-fade-in 0.3s ease-in-out;
}

@keyframes caring-fade-in {
    from { opacity: 0; transform: translateY(10px); }
    to   { opacity: 1; transform: translateY(0); }
}

.slide-up {
    animation: caring-slide-up 0.3s ease-out;
}

@keyframes caring-slide-up {
    from { opacity: 0; transform: translateY(20px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ============================================================================
   Container Queries
   ============================================================================ */

.cq-container {
    container-type: inline-size;
}

.cq-container-named {
    container-type: inline-size;
    container-name: card;
}

@container (max-width: 400px) {
    .cq-stack {
        flex-direction: column;
    }

    .cq-hide {
        display: none;
    }

    .cq-full-width {
        width: 100%;
    }
}

@container (min-width: 600px) {
    .cq-row {
        flex-direction: row;
    }

    .cq-cols-2 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

/* ============================================================================
   Accessibility
   ============================================================================ */

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

/* Skip link for keyboard navigation */
.skip-link {
    position: absolute;
    top: -100%;
    left: var(--space-lg);
    padding: var(--space-md) var(--space-lg);
    background: var(--color-accent-dark);
    color: var(--color-text-inverse);
    border-radius: var(--radius-md);
    z-index: var(--z-tooltip);
    transition: top var(--transition-fast);

    &:focus {
        top: var(--space-lg);
    }
}

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

/* Reduce motion for users who prefer it */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* ============================================================================
   Responsive Breakpoints
   ============================================================================ */

/* Small screens (tablets) */
@media (min-width: 640px) {
    .container { padding: 0 var(--space-xl); }

    .sm\:d-flex  { display: flex; }
    .sm\:d-none  { display: none; }
    .sm\:d-block { display: block; }
    .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\:flex-row { flex-direction: row; }
}

/* Medium screens (small laptops) */
@media (min-width: 768px) {
    .md\:d-flex  { display: flex; }
    .md\:d-none  { display: none; }
    .md\:d-block { display: block; }
    .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\:flex-row { flex-direction: row; }
}

/* Large screens (desktops) */
@media (min-width: 1024px) {
    .container { padding: 0 var(--space-2xl); }

    .lg\:d-flex  { display: flex; }
    .lg\:d-none  { display: none; }
    .lg\:d-block { display: block; }
    .lg\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .lg\:grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

/* Extra large screens */
@media (min-width: 1280px) {
    .xl\:grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
    .xl\:grid-cols-5 { grid-template-columns: repeat(5, minmax(0, 1fr)); }
}

/* ============================================================================
   Print Styles
   ============================================================================ */

@media print {
    body {
        background: white;
        color: black;
    }

    .d-print-none {
        display: none !important;
    }

    .card {
        box-shadow: none;
        border: 1px solid #ccc;
    }
}