/* stylelint-disable keyframes-name-pattern, selector-id-pattern, selector-no-vendor-prefix, property-no-vendor-prefix */

/* ========================================
   SecureBox - Complete CSS Stylesheet
   Modern, Responsive, Dark Mode Compatible
   ======================================== */

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

/* Root Variables for Consistent Theming */
:root {
    /* Light Theme Colors */
    --primary-color: #4a90e2;
    --primary-hover: #357abd;
    --secondary-color: #6c757d;
    --secondary-hover: #5a6268;
    --success-color: #28a745;
    --success-hover: #218838;
    --danger-color: #dc3545;
    --danger-hover: #c82333;
    --warning-color: #ffc107;
    --info-color: #17a2b8;

    /* Background Colors */
    --bg-primary: #f8f9fa;
    --bg-secondary: #fff;
    --bg-tertiary: #f1f3f4;
    --bg-card: #fff;
    --bg-input: #fff;

    /* Text Colors */
    --text-primary: #212529;
    --text-secondary: #495057;
    --text-muted: #6c757d;
    --text-light: #adb5bd;

    /* Border Colors */
    --border-primary: #dee2e6;
    --border-secondary: #ced4da;
    --border-focus: #4a90e2;

    /* Shadow Colors */
    --shadow-light: hsl(0deg 0% 0% / 10%);

    /* 10% black opacity */
    --shadow-medium: hsl(0deg 0% 0% / 15%);

    /* 15% black opacity */
    --shadow-heavy: hsl(0deg 0% 0% / 30%);

    /* 30% black opacity */
    --shadow-accent: hsl(212deg 68% 59% / 40%);

    /* Blue accent shadow */

    /* Spacing - Viewport Height (vh) */
    --spacing-xs: 0.4vh;
    --spacing-sm: 0.8vh;
    --spacing-md: 1.2vh;
    --spacing-lg: 1.6vh;
    --spacing-xl: 2vh;
    --spacing-2xl: 2.4vh;
    --spacing-3xl: 3.2vh;
    --spacing-4xl: 4vh;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 50px;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* Font Sizes */
    --font-xs: 0.7rem;
    --font-sm: 0.75rem;
    --font-base: 0.9rem;
    --font-lg: 1rem;
    --font-xl: 1.1rem;
    --font-2xl: 1.25rem;
    --font-3xl: 1.5rem;
    --font-4xl: 1.9rem;

    /* Font Weight */
    --fw-thin: 100;
    --fw-light: 300;
    --fw-normal: 400;
    --fw-medium: 500;
    --fw-semi: 600;
    --fw-bold: 700;
    --fw-extra: 800;
    --fw-black: 900;

    /* Z-Index Layers */
    --z-base: 1;
    --z-level-2: 2;
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-fixed: 300;
    --z-modal: 400;
    --z-popover: 500;
    --z-tooltip: 600;
    --z-notification: 1000;

    /* Height Variables */
    --height-xl: 25rem;

    /* 25rem for large content areas */
}

/* Dark Theme Variables */
body.dark-mode {
    --bg-primary: #1a1a1a;
    --bg-secondary: #2d3748;
    --bg-tertiary: #252525;
    --bg-card: #2d3748;
    --bg-input: #2d3748;
    --text-primary: #f7fafc;
    --text-secondary: #e2e8f0;
    --text-muted: #a0aec0;
    --text-light: #718096;
    --border-primary: #4a5568;
    --border-secondary: #4a5568;
    --border-focus: #63b3ed;
    --primary-color: #4299e1;
    --primary-hover: #63b3ed;
}

/* Base HTML and Body Styles */
html {
    font-size: var(--font-base);
    scroll-behavior: smooth;
    scrollbar-width: thin;
    scrollbar-color: var(--border-secondary) var(--bg-tertiary);
}

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

/* Page Layout Structure */
.page-wrapper {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.main-content {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    padding: var(--spacing-xl) 0;
}

/* ========================================
   CONTAINER AND LAYOUT
   ======================================== */

.container {
    width: 100%;
    max-width: 600px;
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
    text-align: center;
}

/* ========================================
   TYPOGRAPHY
   ======================================== */

h1,
h2,
h3,
h4,
h5,
h6 {
    color: var(--text-secondary);
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: var(--spacing-lg);
}

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

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

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

h4 {
    font-size: var(--font-xl);
}

h5 {
    font-size: var(--font-lg);
}

h6 {
    font-size: var(--font-base);
}

p {
    margin-bottom: var(--spacing-lg);
    color: var(--text-light);
}

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

a:hover {
    color: var(--primary-hover);
    text-decoration: underline;
}

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

/* ========================================
   FILE SELECTION STYLES
   ======================================== */

.file-selection-container {
    margin: var(--spacing-2xl) 0;
}

.file-selection-label {
    display: block;
    margin-bottom: var(--spacing-lg);
    font-weight: 600;
    color: var(--primary-color);
    font-size: var(--font-lg);
}

.file-drop-zone {
    position: relative;
    border: 2px dashed var(--primary-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-4xl) var(--spacing-xl);
    background: linear-gradient(135deg, var(--bg-tertiary) 0%, var(--bg-secondary) 100%);
    transition: all var(--transition-normal);
    cursor: pointer;
    margin-bottom: var(--spacing-xl);
    overflow: hidden;
}

.file-drop-zone::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
}

.file-drop-zone:hover {
    border-color: var(--primary-hover);
    background: var(--bg-secondary);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px var(--shadow-light);
}

.file-drop-zone:hover::before {
    left: 100%;
}

.file-drop-zone.drag-over {
    border-color: var(--success-color);
    background: var(--bg-secondary);
    border-style: solid;
    animation: pulse 1s ease-in-out infinite alternate;
}

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

    100% {
        transform: scale(1.02);
    }
}

.file-drop-content {
    text-align: center;
    position: relative;
    z-index: var(--z-base);
    pointer-events: none;
}

.file-upload-icon {
    width: 48px;
    height: 48px;
    color: var(--primary-color);
    margin-bottom: var(--spacing-lg);
    transition: transform var(--transition-normal);
}

.file-drop-zone:hover .file-upload-icon {
    transform: translateY(-4px);
    color: var(--primary-hover);
}

.file-drop-text {
    font-size: var(--font-lg);
    margin: 0 0 var(--spacing-sm) 0;
    color: var(--text-secondary);
    font-weight: 500;
}

.file-drop-subtext {
    font-size: var(--font-base);
    margin: 0;
    color: var(--text-muted);
    overflow-wrap: break-word;
}

.formats-label {
    display: inline-block;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--text-secondary);
}

.formats-list {
    display: inline-block;
    font-family: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, 'Courier New', monospace;
    font-size: var(--font-sm);
    background: linear-gradient(135deg, rgb(74 144 226 / 10%) 0%, rgb(74 144 226 / 5%) 100%);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    word-break: break-all;
    border: 1px solid rgb(74 144 226 / 20%);
}

.file-input-hidden {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
    z-index: var(--z-level-2);
}

/* ========================================
   SELECTED FILES DISPLAY
   ======================================== */

.selected-files-container {
    background: var(--bg-card);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-2xl);
    margin-top: var(--spacing-xl);
    box-shadow: 0 4px 20px var(--shadow-light);
    animation: slideInUp 0.3s ease-out;
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.selected-files-title {
    margin: 0 0 var(--spacing-lg) 0;
    font-size: var(--font-xl);
    color: var(--text-secondary);
    text-align: left;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.selected-files-title::before {
    content: "📁";
    font-size: var(--font-2xl);
}

.file-list-wrapper {
    max-height: var(--height-xl);
    overflow-y: auto;
    border-radius: var(--radius-md);
    background: var(--bg-tertiary);
    margin-bottom: var(--spacing-xl);
    border: 1px solid var(--border-primary);
}

.file-list-wrapper::-webkit-scrollbar {
    width: 8px;
}

.file-list-wrapper::-webkit-scrollbar-track {
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
}

.file-list-wrapper::-webkit-scrollbar-thumb {
    background: var(--border-secondary);
    border-radius: var(--radius-sm);
}

.file-list-wrapper::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

.file-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.file-list li {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
    background: var(--bg-card);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
}

.file-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 4px;
    height: 100%;
    background: var(--primary-color);
    transform: scaleY(0);
    transition: transform var(--transition-fast);
}

.file-list li:hover {
    background: var(--bg-tertiary);
    transform: translateX(4px);
    box-shadow: 0 4px 12px var(--shadow-light);
}

.file-list li:hover::before {
    transform: scaleY(1);
}

.file-list li:last-child {
    margin-bottom: 0;
}

.file-info {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    flex-grow: 1;
    text-align: left;
    gap: var(--spacing-xs);
}

.file-name {
    font-weight: var(--fw-semi);
    color: var(--text-secondary);
    word-break: break-all;
    line-height: 1.4;
}

.file-size {
    font-size: var(--font-sm);
    color: var(--text-muted);
    font-family: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, 'Courier New', monospace;
}

.remove-file {
    background: linear-gradient(135deg, var(--danger-color) 0%, var(--danger-hover) 100%);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-sm);
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    transition: all var(--transition-fast);
    min-width: 80px;
    box-shadow: 0 2px 4px rgb(220 53 69 / 20%);
}

.remove-file:hover {
    background: linear-gradient(135deg, var(--danger-hover) 0%, #a71e2a 100%);
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgb(220 53 69 / 30%);
}

.remove-file:active {
    transform: translateY(0);
}

.remove-file svg {
    width: 14px;
    height: 14px;
}

/* ========================================
   FILE ACTIONS
   ======================================== */

.file-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* ========================================
   FORM STYLES
   ======================================== */

.form-fields {
    margin-top: var(--spacing-xl);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.form-group {
    text-align: left;
}

.form-group label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
    color: var(--text-secondary);
    font-size: var(--font-base);
}

.label-icon {
    width: 18px;
    height: 18px;
    color: var(--primary-color);
    flex-shrink: 0;
}

input,
/* stylelint-disable-line */
select,
textarea {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    border: 2px solid var(--border-secondary);
    border-radius: var(--radius-md);
    font-size: var(--font-base);
    font-family: inherit;
    background-color: var(--bg-input);
    color: var(--text-primary);
    transition: all var(--transition-fast);
    box-sizing: border-box;
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px rgb(74 144 226 / 10%);
    background-color: var(--bg-secondary);
}

input::placeholder {
    color: var(--text-muted);
    opacity: 0.8;
}

/* Retention Field Styling */
.retention-field {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin: var(--spacing-sm) 0;
}

.retention-field label {
    flex-shrink: 0;
    font-weight: 600;
    color: var(--text-secondary);
    margin: 0;
    min-width: 140px;
}

.retention-field select {
    flex: 1;
    margin: 0;
}

/* ========================================
   PROGRESS BAR
   ======================================== */

.progress-container {
    margin-top: var(--spacing-lg);
    display: none;
    animation: fadeInUp 0.3s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

#uploadProgress {
    width: 100%;
    height: 24px;
    border-radius: var(--radius-lg);
    border: none;
    background-color: var(--bg-tertiary);
    overflow: hidden;
    appearance: none;
}

#uploadProgress::-webkit-progress-bar {
    background-color: var(--bg-tertiary);
    border-radius: var(--radius-lg);
}

#uploadProgress::-webkit-progress-value {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--success-color) 100%);
    border-radius: var(--radius-lg);
    transition: width 0.3s ease;
}

#uploadProgress::-moz-progress-bar {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--success-color) 100%);
    border-radius: var(--radius-lg);
}

#progressText {
    display: block;
    margin-top: var(--spacing-sm);
    font-weight: 600;
    color: var(--primary-color);
    text-align: center;
    font-size: var(--font-base);
}

/* ========================================
   SUCCESS PAGE STYLES
   ======================================== */

.success-container {
    text-align: center;
    padding: var(--spacing-4xl) var(--spacing-xl);
    max-width: 600px;
    margin: 0 auto;
}

.success-message {
    background: linear-gradient(135deg, #d4edda 0%, #e8f5e8 100%);
    border: 1px solid #c3e6cb;
    border-radius: var(--radius-lg);
    padding: var(--spacing-3xl);
    margin: var(--spacing-xl) 0;
    box-shadow: 0 8px 32px var(--shadow-light);
    position: relative;
    overflow: hidden;
}

body.dark-mode .success-message {
    background: linear-gradient(135deg, #1e3a28 0%, #2d4a3d 100%);
    border-color: #2d5a3d;
}

.success-message::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgb(40 167 69 / 10%) 0%, transparent 70%);
    animation: rotate 20s linear infinite;
}

@keyframes rotate {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

.success-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--spacing-xl) auto;
    display: block;
    position: relative;
    z-index: var(--z-base);
    animation: bounceIn 0.6s ease-out;
}

@keyframes bounceIn {
    0% {
        opacity: 0;
        transform: scale(0.3);
    }

    50% {
        opacity: 1;
        transform: scale(1.1);
    }

    100% {
        opacity: 1;
        transform: scale(1);
    }
}

.success-actions {
    margin-top: var(--spacing-3xl);
    position: relative;
    z-index: var(--z-base);
}

/* ========================================
   DOWNLOAD PAGE STYLES
   ======================================== */

.download-info {
    background: var(--bg-card);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-3xl);
    margin: var(--spacing-xl) 0;
    box-shadow: 0 8px 32px var(--shadow-light);
}

.file-info-section {
    margin-bottom: var(--spacing-3xl);
}

.file-info-section h3 {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    color: var(--text-secondary);
    font-size: var(--font-xl);
    font-weight: 600;
}

.section-icon {
    width: 24px;
    height: 24px;
    color: var(--primary-color);
    flex-shrink: 0;
}

.file-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-sm);
    color: var(--text-secondary);
    font-weight: 500;
    transition: all var(--transition-fast);
}

.file-item:hover {
    background: var(--bg-secondary);
    box-shadow: 0 4px 12px var(--shadow-light);
}

.file-item:last-child {
    margin-bottom: 0;
}

.file-icon {
    width: 20px;
    height: 20px;
    color: var(--primary-color);
    flex-shrink: 0;
}

.download-form-section {
    border-top: 1px solid var(--border-primary);
    padding-top: var(--spacing-3xl);
}

.download-form {
    max-width: 400px;
    margin: 0 auto;
}

.form-actions {
    text-align: center;
    margin-top: var(--spacing-3xl);
}

.page-actions {
    text-align: center;
    margin: var(--spacing-3xl) 0;
}

/* ========================================
   ERROR MESSAGES
   ======================================== */

.error-message {
    color: var(--danger-color);
    font-size: var(--font-base);
    margin-top: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    background: linear-gradient(135deg, #fdf2f2 0%, #fef5f5 100%);
    border: 1px solid #fecaca;
    border-radius: var(--radius-md);
    display: none;
    border-left: 4px solid var(--danger-color);
    font-weight: 500;
    animation: slideInDown 0.3s ease-out;
}

/* Exception for error pages - allow error messages to display */
.error-content .error-message {
    display: block;
}

body.dark-mode .error-message {
    background: linear-gradient(135deg, #2d1b1b 0%, #3d2626 100%);
    border-color: #4a2c2c;
    color: #f87171;
}

@keyframes slideInDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Domain Error Specific */
#domainError {
    margin-top: var(--spacing-sm);
}

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */

/* Large Tablets and Small Desktops */
@media (width <=1024px) {
    .container {
        max-width: 90%;
        padding: 0 var(--spacing-lg);
    }

    .file-drop-zone {
        padding: var(--spacing-3xl) var(--spacing-lg);
    }
}

/* Tablets */
@media (width <=768px) {
    :root {
        --font-base: 16px;

        /* Prevent zoom on mobile */
        --font-lg: 18px;
        --font-xl: 20px;
        --font-2xl: 22px;
        --font-3xl: 26px;
        --font-4xl: 32px;
    }

    .site-title {
        font-size: var(--font-3xl);
    }

    .logo {
        height: 45px;
    }

    .slider {
        width: 56px;
        height: 30px;
    }

    .slider::before {
        width: 22px;
        height: 22px;
        left: 3px;
        top: 3px;
    }

    input:checked+.slider::before {
        transform: translateX(26px);
    }

    .container {
        padding: 0 var(--spacing-md);
    }

    .file-drop-zone {
        padding: var(--spacing-2xl) var(--spacing-lg);
    }

    .file-drop-subtext {
        font-size: var(--font-sm);
    }

    .formats-list {
        font-size: var(--font-xs);
        display: block;
        margin-top: var(--spacing-xs);
        word-break: break-all;
    }

    .file-actions {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .btn-secondary,
    .btn-danger,
    .btn-primary {
        width: 100%;
        justify-content: center;
    }

    .file-list li {
        flex-direction: column;
        align-items: stretch;
        gap: var(--spacing-md);
    }

    .file-info {
        align-items: center;
        text-align: center;
    }

    .remove-file {
        align-self: center;
        min-width: auto;
        width: fit-content;
    }

    .file-list-wrapper {
        max-height: 250px;
    }

    .retention-field {
        flex-direction: column;
        align-items: stretch;
        gap: var(--spacing-sm);
    }

    .retention-field label {
        text-align: left;
        min-width: auto;
    }

    .download-info {
        padding: var(--spacing-xl);
    }

    .download-form {
        max-width: 100%;
    }

    .success-container {
        padding: var(--spacing-2xl) var(--spacing-md);
    }

    .success-message {
        padding: var(--spacing-xl);
    }
}

/* Mobile Phones */
@media (width <=480px) {
    .site-title {
        font-size: var(--font-2xl);
        margin: var(--spacing-sm) 0;
    }

    .logo {
        height: 35px;
    }

    .container {
        padding: 0 var(--spacing-sm);
    }

    .file-drop-zone {
        padding: var(--spacing-xl) var(--spacing-md);
    }

    .file-upload-icon {
        width: 40px;
        height: 40px;
    }

    .file-drop-text {
        font-size: var(--font-base);
    }

    .selected-files-container,
    .download-info {
        padding: var(--spacing-lg);
        margin: var(--spacing-md) 0;
    }

    .file-list li {
        padding: var(--spacing-sm) var(--spacing-md);
    }

    .success-message {
        padding: var(--spacing-lg);
    }

    .success-icon {
        width: 48px;
        height: 48px;
    }
}

/* Extra Small Devices */
@media (width <=320px) {
    .file-drop-zone {
        padding: var(--spacing-lg) var(--spacing-sm);
    }

    .selected-files-container,
    .download-info {
        padding: var(--spacing-md);
    }

    .file-actions {
        gap: var(--spacing-xs);
    }

    input[type="submit"],
    .btn-primary,
    .btn-secondary,
    .btn-danger {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: var(--font-sm);
    }
}

/* ========================================
   ACCESSIBILITY & UTILITIES
   ======================================== */

/* Focus Management */
*:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

input:focus,
select:focus,
textarea:focus,
a:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}


/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
    /* stylelint-disable-line */

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* High Contrast Mode Support */
@media (prefers-contrast: more) {
    /* stylelint-disable-line */

    :root {
        --primary-color: #06c;
        --border-primary: #000;
        --border-secondary: #000;
        --text-primary: #000;
        --bg-primary: #fff;
    }

    body.dark-mode {
        --primary-color: #6cf;
        --border-primary: #fff;
        --border-secondary: #fff;
        --text-primary: #fff;
        --bg-primary: #000;
    }
}

/* Print Styles */
@media print {
    /* stylelint-disable-line */

    .dark-mode-switch,
    .file-actions,
    .progress-container {
        display: none !important;
    }

    .page-wrapper {
        min-height: auto;
    }

    .container {
        max-width: 100%;
        padding: 0;
    }

    .file-drop-zone,
    .selected-files-container,
    .download-info {
        border: 2px solid #000;
        box-shadow: none;
        break-inside: avoid;
    }

    .file-list li {
        break-inside: avoid;
    }

    body {
        background: white;
        color: black;
    }
}

/* ========================================
   CUSTOM SCROLLBAR
   ======================================== */

::-webkit-scrollbar {
    width: 12px;
}

::-webkit-scrollbar-track {
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, var(--border-secondary) 0%, var(--text-muted) 100%);
    border-radius: var(--radius-md);
    border: 2px solid var(--bg-tertiary);
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, var(--text-muted) 0%, var(--text-secondary) 100%);
}

/* ========================================
   LOADING STATES
   ======================================== */

.loading {
    position: relative;
    pointer-events: none;
    opacity: 0.6;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid transparent;
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    z-index: var(--z-base);
}

/* ========================================
   SELECTION STYLES
   ======================================== */

::selection {
    background: rgb(74 144 226 / 30%);
    color: var(--text-primary);
}

::-moz-selection {
    background: rgb(74 144 226 / 30%);
    color: var(--text-primary);
}

/* ========================================
   VENDOR PREFIXES & COMPATIBILITY
   ======================================== */

/* WebKit Input Appearance Reset */
input[type="search"]::-webkit-search-decoration,
input[type="search"]::-webkit-search-results-decoration {
    display: none;
}

/* Firefox Input Number Arrows */
input[type="number"] {
    -moz-appearance: textfield;
}

/* iOS Safari Input Zoom Prevention */
@supports (-webkit-touch-callout: none) {
    /* stylelint-disable-line */

    input,
    select,
    textarea {
        font-size: 16px;
    }
}

/* Edge/IE Specific Fixes */
@supports (-ms-ime-align: auto) {
    .file-drop-zone {
        display: flex;
        /* stylelint-disable-line */
        -ms-flex-align: center;
        -ms-flex-pack: center;
    }
}

/* ========================================
   END OF STYLESHEET
   ======================================== */