/* ============================================================================
   DPWT - Modern CSS Styles (Tailwind/DaisyUI Replacement)
   Self-hosted, no external dependencies
   High Contrast Dark Athletic Theme
   ============================================================================ */

/* ============================================================================
   CSS CUSTOM PROPERTIES (VARIABLES)
   ============================================================================ */
:root {
    /* Primary Colors - Modern Navy & Coral Palette */
    --primary: #0f3460;
    --primary-focus: #16213e;
    --primary-light: #1a4d7f;
    --primary-lighter: #2563a8;
    --primary-content: #ffffff;

    /* Secondary Navy Shades */
    --navy-50: #f8f9fa;
    --navy-100: #e8ecf1;
    --navy-200: #d1d9e6;
    --navy-300: #b5bfd4;
    --navy-400: #8896b8;
    --navy-500: #5a6d8f;
    --navy-600: #3d4a63;
    --navy-700: #2a3447;
    --navy-800: #1a1f2e;
    --navy-900: #0f1419;

    /* Accent Colors */
    --secondary: #0f3460;
    --accent: #0f3460;
    --success: #0f3460;
    --warning: #0f3460;
    --error: #e94560;
    --danger: #e94560;
    --destructive: #e94560;

    /* Extended Color Palette */
    --info: #0f3460;
    --info-light: #1a4d7f;
    --info-dark: #0a2349;

    /* Base/Neutral Colors - Pitch Black Background */
    --neutral: #1a1a2e;
    --base-100: #000000;
    --base-200: #0a0a14;
    --base-300: #141420;
    --base-400: #1a1f2e;
    --base-500: #242a3a;
    --base-600: #2d3547;
    --base-content: #f9f9f9;
    --base-border: #2a3447;

    /* Text Colors */
    --text-white: #ffffff;
    --text-primary: #f9f9f9;
    --text-secondary: #e0e0e0;
    --text-tertiary: #b5bfd4;
    --text-muted: #8896b8;
    --text-light-gray: #f9f9f9;
    --text-disabled: #5a6d8f;

    /* Spacing Scale */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-24: 6rem;

    /* Font Sizes */
    --text-xs: 0.7rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.875rem;
    --text-3xl: 2.25rem;
    --text-4xl: 2.75rem;

    /* Font Weights */
    --font-normal: 400;
    --font-semibold: 600;
    --font-bold: 700;
    --font-black: 800;

    /* Line Heights */
    --leading-tight: 1.2;
    --leading-normal: 1.5;

    /* Letter Spacing */
    --tracking-tight: -0.03125rem;
    --tracking-normal: 0rem;
    --tracking-wide: 0.03125rem;
    --tracking-wider: 0.15em;
    --tracking-widest: 0.2em;

    /* Border Widths */
    --border-thin: 0.0625rem;
    --border-normal: 0.125rem;

    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;

    /* Z-index Scale */
    --z-dropdown: 50;
    --z-sticky: 60;
    --z-fixed: 70;
    --z-modal-backdrop: 80;
    --z-modal: 90;
    --z-topbar: 1000;

    /* Component Dimensions */
    --topbar-height: 3.5rem;
    --sidebar-width: 16rem;
    --modal-max-width: 48rem;
    --modal-max-height: 90vh;
    --btm-nav-height: 4rem;
    --icon-size: 1.375rem;
    --avatar-size: 4rem;
    --border-radius-full: 9999px;

    /* Opacity/Backdrop */
    --overlay-opacity: 0.6;
    --modal-backdrop-opacity: 0.7;
    --alert-bg-opacity: 0.1;

    /* Blur */
    --blur-sm: 0.25rem;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 300ms ease;
    --transition-slow: 500ms ease;
    --transition-instant: 0.2s;
    --transition-quick: 0.3s;

    /* Shadows */
    --shadow-sm: 0 0.0625rem 0.125rem 0 rgba(0, 0, 0, 0.3);
    --shadow-md: 0 0.25rem 0.375rem -0.0625rem rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 0.625rem 0.9375rem -0.1875rem rgba(0, 0, 0, 0.6);
    --shadow-xl: 0 1.25rem 1.5625rem -0.3125rem rgba(0, 0, 0, 0.7);
}

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

html {
    font-size: 1rem;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    scroll-behavior: smooth;
}

body {
    font-family:
        -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu,
        Cantarell, sans-serif;
    background: var(--base-100);
    color: var(--text-primary);
    line-height: 1.5;
    min-height: 100vh;
}

/* ============================================================================
   TYPOGRAPHY
   ============================================================================ */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: var(--font-black);
    letter-spacing: var(--tracking-tight);
    color: var(--text-white);
    line-height: var(--leading-tight);
}

h1 {
    font-size: var(--text-4xl);
}

h2 {
    font-size: var(--text-3xl);
}

h3 {
    font-size: var(--text-2xl);
}

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

.app {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.min-h-screen {
    min-height: 100vh;
}

.flex {
    display: flex;
}

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

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

.flex-col {
    flex-direction: column;
}

.flex-wrap {
    flex-wrap: wrap;
}

.grid {
    display: grid;
}

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

.grid-cols-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.items-center {
    align-items: center;
}

.items-start {
    align-items: flex-start;
}

.justify-between {
    justify-content: space-between;
}

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

.w-full {
    width: 100%;
}

.min-w-0 {
    min-width: 0;
}

.w-16 {
    width: 4rem;
}

.w-32 {
    width: 8rem;
}

.h-16 {
    height: 4rem;
}

.h-32 {
    height: 8rem;
}

.gap-1 {
    gap: 0.25rem;
}

.gap-2 {
    gap: 0.5rem;
}

.gap-3 {
    gap: 0.75rem;
}

.gap-4 {
    gap: 1rem;
}

.gap-5 {
    gap: 1.25rem;
}

.gap-6 {
    gap: 1.5rem;
}

.space-y-1 > * + * {
    margin-top: 0.25rem;
}

.space-y-2 > * + * {
    margin-top: 0.5rem;
}

.space-y-3 > * + * {
    margin-top: 0.75rem;
}

.space-y-4 > * + * {
    margin-top: 1rem;
}

.space-y-5 > * + * {
    margin-top: 1.25rem;
}

.space-y-6 > * + * {
    margin-top: 1.5rem;
}

/* Padding */
.p-2 {
    padding: 0.5rem;
}

.p-4 {
    padding: 1rem;
}

.p-5 {
    padding: 1.25rem;
}

.p-6 {
    padding: 1.5rem;
}

.px-2 {
    padding-left: 0.5rem;
    padding-right: 0.5rem;
}

.px-3 {
    padding-left: 0.75rem;
    padding-right: 0.75rem;
}

.px-4 {
    padding-left: 1rem;
    padding-right: 1rem;
}

.px-6 {
    padding-left: 1.5rem;
    padding-right: 1.5rem;
}

.py-2 {
    padding-top: 0.5rem;
    padding-bottom: 0.5rem;
}

.py-3 {
    padding-top: 0.75rem;
    padding-bottom: 0.75rem;
}

.pt-3 {
    padding-top: 0.75rem;
}

.pb-24 {
    padding-bottom: 6rem;
}

.m-0 {
    margin: 0;
}

.mb-1 {
    margin-bottom: 0.25rem;
}

.mb-2 {
    margin-bottom: 0.5rem;
}

.mb-3 {
    margin-bottom: 0.75rem;
}

.mb-4 {
    margin-bottom: 1rem;
}

.mb-5 {
    margin-bottom: 1.25rem;
}

.mb-6 {
    margin-bottom: 1.5rem;
}

.mt-1 {
    margin-top: 0.25rem;
}

.mt-2 {
    margin-top: 0.5rem;
}

.mt-3 {
    margin-top: 0.75rem;
}

.mt-4 {
    margin-top: 1rem;
}

.mt-5 {
    margin-top: 1.25rem;
}

.mt-6 {
    margin-top: 1.5rem;
}

.-mx-4 {
    margin-left: -1rem;
    margin-right: -1rem;
}

/* Typography Utilities */
.text-xs {
    font-size: 0.75rem;
    line-height: 1rem;
}

.text-sm {
    font-size: 0.875rem;
    line-height: 1.25rem;
}

.text-xl {
    font-size: 1.25rem;
    line-height: 1.75rem;
}

.text-2xl {
    font-size: 1.5rem;
    line-height: 2rem;
}

.text-3xl {
    font-size: 1.875rem;
    line-height: 2.25rem;
}

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

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

.font-black {
    font-weight: var(--font-black);
}

.uppercase {
    text-transform: uppercase;
}

.tracking-tight {
    letter-spacing: var(--tracking-tight);
}

.tracking-wide {
    letter-spacing: var(--tracking-wide);
}

.tracking-wider {
    letter-spacing: var(--tracking-wider);
}

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

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

/* Colors */
.bg-base-100 {
    background-color: var(--base-100);
}

.bg-base-200 {
    background-color: var(--base-200);
}

.bg-base-300 {
    background-color: var(--base-300);
}

.bg-white {
    background-color: #ffffff;
}

.bg-primary {
    background-color: var(--primary);
    background-image: linear-gradient(
        135deg,
        var(--primary) 0%,
        var(--primary-focus) 100%
    );
}

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

.text-gray-200 {
    color: #d0d0d0;
}

.text-gray-300 {
    color: #b0b0b0;
}

.text-gray-400 {
    color: #969696;
}

.text-gray-500 {
    color: #757575;
}

.text-blue-400 {
    color: #5fa3f5;
}

.text-green-400 {
    color: #66bb6a;
}

.text-red-400 {
    color: #ff5252;
}

.opacity-90 {
    opacity: 0.9;
}

/* Borders */
.border {
    border-width: 0.0625rem;
    border-style: solid;
}

.border-2 {
    border-width: 0.125rem;
    border-style: solid;
}

.border-t {
    border-top-width: 0.0625rem;
    border-top-style: solid;
}

.border-base-300 {
    border-color: var(--base-300);
}

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

.border-blue-400 {
    border-color: #5fa3f5;
}

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

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

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

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

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

/* Layout */
.relative {
    position: relative;
}

.z-50 {
    z-index: 50;
}

.cursor-pointer {
    cursor: pointer;
}

.overflow-hidden {
    overflow: hidden;
}

.object-cover {
    object-fit: cover;
}

.transition-all {
    transition: all var(--transition-base);
}

.animate-pulse {
    animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

@keyframes pulse {
    0%,
    100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

/* ============================================================================
   BUTTONS
   ============================================================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-2) var(--space-4);
    font-weight: var(--font-bold);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wide);
    border: var(--border-normal) solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
    font-size: var(--text-base);
    outline: none;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

/* Button Sizes */
.btn-sm {
    padding: var(--space-1) var(--space-3);
    font-size: var(--text-sm);
}

.btn-md {
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-base);
}

.btn-lg {
    padding: var(--space-3) var(--space-6);
    font-size: var(--text-lg);
}

.btn-tall {
    height: 5rem;
}

.btn-block {
    width: 100%;
}

/* Button Variants */
.btn-primary {
    background-color: var(--primary);
    color: var(--text-white);
    border-color: var(--primary);
}

.btn-primary:hover:not(:disabled) {
    background-color: var(--primary-focus);
    border-color: var(--primary-focus);
}

.btn-danger,
.btn-destructive {
    background-color: var(--danger);
    color: var(--text-white);
    border-color: var(--danger);
}

.btn-danger:hover:not(:disabled),
.btn-destructive:hover:not(:disabled) {
    background-color: #cc3a50;
    border-color: #cc3a50;
}

.btn-outline {
    background-color: transparent;
    color: var(--text-primary);
    border: var(--border-normal) solid var(--base-border);
}

.btn-outline:hover:not(:disabled) {
    background-color: var(--base-400);
    border-color: var(--base-border);
}

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

.btn-ghost:hover:not(:disabled) {
    background-color: var(--base-400);
}

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

.hover\:text-white:hover {
    color: var(--text-white);
}

.hover\:bg-gray-100:hover {
    background-color: var(--text-light-gray);
}

.hover\:bg-base-300:hover {
    background-color: var(--base-400);
}

.hover\:text-blue-400:hover {
    color: var(--primary);
}

.hover\:border-primary:hover {
    border-color: var(--primary);
}

.hover\:border-blue-400:hover {
    border-color: var(--primary);
}

/* ============================================================================
   CARDS
   ============================================================================ */
.card {
    background-color: var(--base-200);
    border: var(--border-thin) solid var(--base-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-fast);
    margin-bottom: var(--space-6);
}

.card:hover {
    border-color: var(--primary);
    background-color: var(--base-300);
}

.card-body {
    padding: var(--space-6);
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.card-header {
    padding: var(--space-6);
    border-bottom: var(--border-thin) solid var(--base-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
}

.card-header h2,
.card-header h3,
.card-header h4 {
    margin: 0;
    font-size: var(--text-xl);
}

.card-content {
    padding: var(--space-6);
    flex: 1;
}

.card-footer {
    padding: var(--space-6);
    border-top: var(--border-thin) solid var(--base-border);
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: var(--space-3);
}

/* ============================================================================
   FORM ELEMENTS
   ============================================================================ */
.form-control {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    width: 100%;
    margin-bottom: var(--space-4);
}

.modal-box .form-control {
    margin-bottom: var(--space-6);
}

.label {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    cursor: pointer;
}

.label-text {
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    color: var(--text-primary);
}

.input,
.textarea,
.select {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    background-color: var(--base-100);
    border: var(--border-thin) solid var(--base-border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: var(--text-base);
    font-weight: var(--font-semibold);
    transition: border-color var(--transition-base);
    outline: none;
}

.input::placeholder,
.textarea::placeholder {
    color: var(--text-muted);
    opacity: 1;
}

.input:focus,
.textarea:focus,
.select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(95, 163, 245, 0.1);
}

.input-bordered {
    border: var(--border-normal) solid var(--base-border);
}

.textarea {
    resize: vertical;
    min-height: 5rem;
    font-family: inherit;
    line-height: var(--leading-normal);
}

.select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23d0d0d0' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    padding-right: 2.5rem;
}

.select option {
    background-color: var(--base-100);
    color: var(--text-primary);
}

.focus\:border-primary:focus {
    border-color: var(--primary);
}

.focus\:border-blue-400:focus {
    border-color: #5fa3f5;
}

input[type="checkbox"] {
    width: 1.25rem;
    height: 1.25rem;
    accent-color: var(--primary);
    cursor: pointer;
}

/* ============================================================================
   BADGES
   ============================================================================ */
.badge {
    display: inline-block;
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-xs);
    font-weight: var(--font-bold);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wide);
    border-radius: 9999px;
    background-color: var(--base-400);
    color: var(--text-primary);
    border: var(--border-thin) solid var(--base-border);
}

.badge-primary {
    background-color: var(--primary-light);
    color: var(--text-white);
}

.badge-danger,
.badge-destructive {
    background-color: var(--danger);
    color: var(--text-white);
    border-color: var(--danger);
}

.badge-outline {
    background-color: transparent;
    border: var(--border-thin) solid var(--base-border);
    color: var(--text-secondary);
}

.badge-sm {
    padding: var(--space-1) var(--space-2);
    font-size: var(--text-xs);
}

.badge-lg {
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-sm);
}

/* ============================================================================
   STATS
   ============================================================================ */
.stats {
    display: grid;
    gap: var(--space-4);
    background-color: var(--base-200);
    border: var(--border-thin) solid var(--base-border);
    border-radius: var(--radius-lg);
    overflow: visible;
    padding: var(--space-6);
}

.stats-vertical {
    grid-template-columns: 1fr;
    gap: var(--space-4);
}

.stat {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    padding: var(--space-6);
    background-color: var(--base-300);
    border: var(--border-thin) solid var(--base-border);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.stat:hover {
    background-color: var(--base-400);
    border-color: var(--primary);
}

.stat-title {
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
    letter-spacing: var(--tracking-widest);
    text-transform: uppercase;
    color: var(--text-muted);
}

.stat-value {
    font-size: var(--space-12);
    font-weight: var(--font-black);
    line-height: 1;
    color: var(--text-white);
}

@media (min-width: 1024px) {
    .lg\:stats-horizontal {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

/* ============================================================================
   MODAL
   ============================================================================ */
.modal {
    position: fixed;
    inset: 0;
    z-index: 999;
    display: none;
    align-items: center;
    justify-content: center;
    padding: var(--space-4);
    background-color: rgba(0, 0, 0, var(--modal-backdrop-opacity));
    backdrop-filter: blur(var(--blur-sm));
}

.modal-open {
    display: flex;
}

.modal-box {
    background-color: var(--base-200);
    border: var(--border-thin) solid var(--base-border);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    max-width: var(--modal-max-width);
    width: 100%;
    max-height: var(--modal-max-height);
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
}

.modal-action {
    display: flex;
    justify-content: flex-end;
    gap: var(--space-4);
    margin-top: var(--space-8);
}

/* ============================================================================
   BOTTOM NAVIGATION
   ============================================================================ */
.btm-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(0, 1fr));
    background-color: var(--base-400);
    border-top: var(--border-thin) solid var(--base-border);
    z-index: var(--z-dropdown);
    height: var(--btm-nav-height);
}

.btm-nav button {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-1);
    border: none;
    background: none;
    color: var(--text-secondary);
    font-weight: var(--font-semibold);
    font-size: var(--text-xs);
    text-transform: uppercase;
    cursor: pointer;
    transition:
        color var(--transition-fast),
        background-color var(--transition-fast);
}

.btm-nav button:hover {
    background-color: var(--base-300);
}

.btm-nav button.active {
    color: var(--primary);
    background-color: var(--base-300);
}

/* ============================================================================
   PROGRESS BAR
   ============================================================================ */
.progress {
    height: var(--space-3);
    width: 100%;
    appearance: none;
    overflow: hidden;
    border-radius: var(--border-radius-full);
    background-color: var(--base-300);
}

.progress::-webkit-progress-bar {
    background-color: var(--base-300);
    border-radius: var(--border-radius-full);
}

.progress::-webkit-progress-value {
    background: linear-gradient(
        135deg,
        var(--primary) 0%,
        var(--primary-focus) 100%
    );
    border-radius: var(--border-radius-full);
    transition: width var(--transition-slow);
}

.progress::-moz-progress-bar {
    background: linear-gradient(
        135deg,
        var(--primary) 0%,
        var(--primary-focus) 100%
    );
    border-radius: var(--border-radius-full);
    transition: width var(--transition-slow);
}

.progress-primary::-webkit-progress-value {
    background: linear-gradient(
        135deg,
        var(--primary) 0%,
        var(--primary-focus) 100%
    );
}

.progress-primary::-moz-progress-bar {
    background: linear-gradient(
        135deg,
        var(--primary) 0%,
        var(--primary-focus) 100%
    );
}

/* ============================================================================
   AVATAR
   ============================================================================ */
.avatar {
    display: inline-block;
    position: relative;
}

.avatar > div {
    position: relative;
    width: var(--avatar-size);
    height: var(--avatar-size);
    border-radius: var(--border-radius-full);
    overflow: hidden;
}

.avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* ============================================================================
   COLLAPSE / ACCORDION
   ============================================================================ */
.collapse {
    border: var(--border-thin) solid var(--base-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.collapse:has(> input[type="checkbox"]:checked) {
    border-color: var(--primary);
}

.collapse > input[type="checkbox"] {
    display: none;
}

.collapse-title {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4);
    font-weight: var(--font-semibold);
    cursor: pointer;
    background-color: var(--base-400);
    border-bottom: var(--border-thin) solid var(--base-border);
}

.collapse-arrow .collapse-title::after {
    content: "";
    display: inline-block;
    width: var(--space-6);
    height: var(--space-6);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='currentColor'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 14l-7 7m0 0l-7-7m7 7V3'/%3E%3C/svg%3E");
    background-size: contain;
    transition: transform var(--transition-base);
}

.collapse > input[type="checkbox"]:checked ~ .collapse-title::after {
    transform: rotate(180deg);
}

.collapse-content {
    padding: var(--space-4);
    background-color: var(--base-100);
}

.collapse > input[type="checkbox"]:checked ~ .collapse-content {
    display: block;
}

/* ============================================================================
   ALERT
   ============================================================================ */
.alert {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-4) var(--space-6);
    border-radius: var(--radius-lg);
    border: var(--border-thin) solid var(--base-border);
    background-color: var(--base-300);
}

.alert-success {
    border-color: var(--success);
    background-color: var(--base-400);
}

.alert-warning {
    border-color: var(--warning);
    background-color: var(--base-400);
}

.alert-error,
.alert-danger {
    border-color: var(--error);
    background-color: rgba(233, 69, 96, var(--alert-bg-opacity));
}

/* ============================================================================
   SCROLLBAR
   ============================================================================ */
::-webkit-scrollbar {
    width: 0.5rem;
    height: 0.5rem;
}

::-webkit-scrollbar-track {
    background: var(--base-100);
}

::-webkit-scrollbar-thumb {
    background-color: var(--base-300);
    border-radius: var(--border-radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background-color: var(--base-300);
}

/* ============================================================================
   FOCUS STATES
   ============================================================================ */
*:focus-visible {
    outline: 0.125rem solid var(--primary);
    outline-offset: 0.125rem;
}

::selection {
    background-color: var(--primary);
    color: white;
}

/* ============================================================================
   RESPONSIVE DESIGN
   ============================================================================ */
@media (max-width: 640px) {
    .modal-box {
        max-width: 100%;
        margin: 0;
        border-radius: var(--radius-lg);
    }

    .text-3xl {
        font-size: var(--text-3xl);
        line-height: var(--space-8);
    }

    .text-2xl {
        font-size: 1.25rem;
        line-height: 1.75rem;
    }
}

@media (min-width: 768px) {
    h1 {
        font-size: var(--text-4xl);
    }

    h2 {
        font-size: var(--text-3xl);
    }
}

/* ============================================================================
   PRINT STYLES
   ============================================================================ */
@media print {
    .btm-nav,
    .btn,
    .modal {
        display: none !important;
    }
}

/* Exercise Card Styling */
.exercise-card {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.exercise-card-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 0.5rem;
}

.exercise-card-buttons {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    justify-content: flex-end;
}

/* Update Toast Notification */
.update-toast {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: #424242;
    color: #ffffff;
    padding: 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    z-index: 999;
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.3);
    animation: slideUp 0.3s ease-in-out;
}

@keyframes slideUp {
    from {
        transform: translateY(100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.update-toast__content {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 16px;
}

.update-toast__text {
    margin: 0;
}

.update-toast__title {
    margin: 0;
    font-weight: 600;
    font-size: 16px;
    line-height: 1.5;
}

.update-toast__message {
    margin: 0;
    font-size: 14px;
    opacity: 0.9;
    line-height: 1.4;
}

.update-toast__actions {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-left: 16px;
}

.update-toast__btn {
    padding: 8px 16px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-weight: 600;
    font-size: 14px;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.update-toast__btn--dismiss {
    background-color: transparent;
    color: #ffffff;
    font-size: 20px;
    padding: 4px 8px;
    opacity: 0.7;
    min-width: auto;
}

.update-toast__btn--dismiss:hover {
    opacity: 1;
}

.update-toast__btn--update {
    background-color: #5fa3f5;
    color: #ffffff;
}

.update-toast__btn--update:hover {
    background-color: #4a89d9;
}

/* Mobile responsive */
@media (max-width: 640px) {
    .update-toast {
        flex-direction: column;
        gap: 12px;
        align-items: stretch;
    }

    .update-toast__content {
        flex-direction: column;
        gap: 8px;
    }

    .update-toast__actions {
        margin-left: 0;
        flex-direction: row;
        justify-content: flex-end;
        gap: 8px;
    }

    .update-toast__btn {
        min-width: 80px;
    }
}

/* ============================================================================
   APP LAYOUT
   ============================================================================ */
.app-bar {
    display: flex;
    align-items: center;
    height: var(--topbar-height);
    background: var(--base-100);
    color: var(--text-white);
    box-shadow: var(--shadow-md);
    padding: 0 var(--space-2);
    z-index: var(--z-topbar);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
}

.main-content {
    padding-top: var(--topbar-height);
}

.menu-btn {
    background: none;
    border: none;
    color: inherit;
    font-size: var(--text-3xl);
    cursor: pointer;
    display: flex;
    align-items: center;
    padding: var(--space-2);
    margin-right: var(--space-2);
}

.app-bar-title {
    font-size: var(--text-xl);
    font-weight: 500;
    margin-left: var(--space-2);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ============================================================================
   SIDE MENU STYLES
   ============================================================================ */
.dpwt-side-menu {
    position: relative;
    width: 0;
    z-index: 70;
}

.dpwt-side-menu__toggle {
    width: 2.5rem;
    height: 2.5rem;
    padding: var(--space-2);
    border: none;
    background: none;
    box-shadow: none;
    border-radius: var(--radius-sm);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-1);
    cursor: pointer;
    transition: background var(--transition-instant);
}

.dpwt-side-menu__toggle span {
    width: var(--icon-size);
    height: var(--border-normal);
    background: var(--text-white);
    transition:
        transform var(--transition-quick),
        opacity var(--transition-quick);
}

.dpwt-side-menu__toggle[data-open="true"] span:nth-child(1) {
    transform: translateY(0.4375rem) rotate(45deg);
}

.dpwt-side-menu__toggle[data-open="true"] span:nth-child(2) {
    opacity: 0;
}

.dpwt-side-menu__toggle[data-open="true"] span:nth-child(3) {
    transform: translateY(-0.4375rem) rotate(-45deg);
}

.dpwt-side-menu__overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, var(--overlay-opacity));
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-quick);
    z-index: var(--z-modal-backdrop);
}

.dpwt-side-menu__overlay[data-open="true"] {
    opacity: 1;
    pointer-events: auto;
}

.dpwt-side-menu__drawer {
    position: fixed;
    top: var(--topbar-height);
    left: 0;
    width: var(--sidebar-width);
    height: calc(100vh - var(--topbar-height));
    background: var(--base-100);
    border-right: var(--border-thin) solid var(--base-300);
    display: flex;
    flex-direction: column;
    transform: translateX(-100%);
    transition:
        transform var(--transition-quick),
        box-shadow var(--transition-quick);
    box-shadow: none;
    z-index: var(--z-modal);
}

.dpwt-side-menu__drawer[data-open="true"] {
    transform: translateX(0);
    box-shadow: var(--shadow-xl);
}

.dpwt-side-menu__header {
    padding: var(--space-6);
    border-bottom: var(--border-thin) solid var(--base-border);
}

.dpwt-side-menu__nav {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-4);
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.dpwt-side-menu__nav button {
    width: 100%;
    text-align: left;
    padding: var(--space-3) var(--space-4);
    border: none;
    border-radius: var(--radius-lg);
    background: transparent;
    color: var(--text-secondary);
    font-weight: var(--font-black);
    letter-spacing: var(--tracking-wider);
    cursor: pointer;
    transition:
        background var(--transition-instant),
        color var(--transition-instant);
}

.dpwt-side-menu__nav button[data-active="true"] {
    background: var(--base-400);
    color: var(--text-white);
}

.dpwt-side-menu__footer {
    padding: var(--space-4) var(--space-6);
    border-top: var(--border-thin) solid var(--base-border);
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.dpwt-side-menu__force-update-btn {
    width: 100%;
    padding: var(--space-2) var(--space-3);
    border: var(--border-thin) solid var(--base-400);
    border-radius: var(--radius-md);
    background: var(--base-200);
    color: var(--text-secondary);
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    letter-spacing: var(--tracking-wide);
    cursor: pointer;
    transition: all var(--transition-quick);
    text-transform: uppercase;
}

.dpwt-side-menu__force-update-btn:hover {
    background: var(--base-300);
    color: var(--text-primary);
    border-color: var(--base-500);
}

.dpwt-side-menu__force-update-btn:active {
    transform: scale(0.98);
}

.dpwt-side-menu__update-badge {
    padding: var(--space-2) var(--space-3);
    background: var(--primary-light);
    color: var(--primary);
    border-radius: var(--radius-md);
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
    letter-spacing: var(--tracking-wide);
    text-align: center;
    text-transform: uppercase;
}

.dpwt-side-menu__version {
    text-transform: uppercase;
    font-size: var(--text-xs);
    letter-spacing: var(--tracking-widest);
    color: var(--text-muted);
}

.dpwt-side-menu__footer-link {
    color: var(--accent);
    text-decoration: underline;
    font-weight: var(--font-semibold);
    letter-spacing: var(--tracking-wide);
    transition: color var(--transition-instant);
}

.dpwt-side-menu__footer-link:hover {
    color: var(--primary);
}

@media (min-width: 1024px) {
    .dpwt-side-menu {
        width: var(--sidebar-width);
        flex-shrink: 0;
    }

    .dpwt-side-menu__toggle,
    .dpwt-side-menu__overlay {
        display: none;
    }

    .dpwt-side-menu__drawer {
        position: sticky;
        top: var(--topbar-height);
        height: calc(100vh - var(--topbar-height));
        background: var(--base-100);
        transform: translateX(0) !important;
        box-shadow: none !important;
    }
}

/* ============================================================================
   IMAGE ERROR STATES
   ============================================================================ */
.image-error {
    display: none;
}

@media (min-width: 1024px) {
    .app {
        flex-direction: row;
    }
    .main-content {
        flex: 1;
    }
}

/* ============================================================================
   PROGRESS BAR STYLES
   ============================================================================ */
.progress-tall {
    height: 0.75rem;
}