@import url('https://fonts.googleapis.com/css2?family=Instrument+Sans:ital,wght@0,400..700;1,400..700&family=Space+Grotesk:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
    --radius: 0.625rem;
    --radius-xl: 0.875rem;
    --radius-2xl: 1rem;
    --radius-surface: 1.25rem;
    
    --background: #fcfcfc;
    --foreground: #222630;
    --card: #ffffff;
    --card-foreground: #222630;
    --popover: #ffffff;
    --popover-foreground: #222630;
    
    --primary: #e9585d;
    --primary-foreground: #ffffff;
    --primary-700: #c43a3c;
    
    --secondary: #f3f4f6;
    --secondary-foreground: #222630;
    --muted: #f3f4f6;
    --muted-foreground: #455263;
    
    --accent: #ebecf0;
    --accent-foreground: #222630;
    
    --destructive: #dc2828;
    --destructive-foreground: #fafafa;
    
    --border: #e5e7eb;
    --input: #e5e7eb;
    --ring: #e9585d;
    --warning: #c67a10;
    
    --font-sans: 'Instrument Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-heading: 'Space Grotesk', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.05);
}

.dark {
    --background: #191c24;
    --foreground: #ebedef;
    --card: #20242c;
    --card-foreground: #ebedef;
    --popover: #20242c;
    --popover-foreground: #ebedef;
    
    --primary: #e9585d;
    --primary-foreground: #ffffff;
    --primary-700: #e9585d;
    
    --secondary: #2c323a;
    --secondary-foreground: #ebedef;
    --muted: #2c323a;
    --muted-foreground: #929caa;
    
    --accent: #303740;
    --accent-foreground: #ebedef;
    
    --destructive: #dc2828;
    --destructive-foreground: #fafafa;
    
    --border: #303740;
    --input: #303740;
    --ring: #dd3c41;
    --warning: #f5b13d;
    
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.5);
}

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

html, body {
    height: 100%;
    font-family: var(--font-sans);
    background-color: var(--background);
    color: var(--foreground);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    transition: background-color 0.25s ease, color 0.25s ease;
}

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

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

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

/* Header & Navigation */
header.app-header {
    position: sticky;
    top: 0;
    z-index: 40;
    width: 100%;
    border-bottom: 1px solid var(--border);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    background: color-mix(in srgb, var(--background) 85%, transparent);
    transition: border-color 0.2s, background-color 0.2s;
}

.nav-container {
    max-width: 72rem;
    margin: 0 auto;
    display: flex;
    height: 3.5rem;
    align-items: center;
    justify-content: space-between;
    padding: 0 1rem;
}

/* Animated Logo */
.logo-root {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    height: 2.25rem;
    user-select: none;
}

.logo-icon {
    height: 100%;
    width: auto;
    flex-shrink: 0;
}

.logo-wm {
    display: flex;
    align-items: baseline;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.32rem;
    letter-spacing: -0.04em;
    line-height: 1;
}

.logo-w1 {
    color: var(--foreground);
}

.logo-dot {
    display: inline-block;
    width: 0.3em;
    height: 0.3em;
    margin: 0.28em 0.12em 0;
    border-radius: 50%;
    background: radial-gradient(circle at 35% 30%, #fa7a7a, #ec5a5d 55%, #d6494b);
    align-self: center;
}

.logo-w2 {
    color: #ec5a5d;
}

/* Logo SVG Keyframe Animations */
.logo-arc-1 {
    opacity: 0.72;
    animation: svelte-1c0vaeg-logo-arc-in-1 1.6s 0.55s ease-out both;
    transform-origin: 50px 48px;
}
.logo-arc-2 {
    opacity: 0.36;
    animation: svelte-1c0vaeg-logo-arc-in-2 1.6s 0.7s ease-out both;
    transform-origin: 50px 48px;
}

.animate .logo-bar {
    animation: svelte-1c0vaeg-logo-bar-in 0.45s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.animate .logo-packet {
    transform-origin: 50px 48px;
    animation: svelte-1c0vaeg-logo-pop 0.5s 0.28s cubic-bezier(0.34, 1.56, 0.64, 1) both;
}

.animate .logo-halo {
    transform-origin: 50px 48px;
    animation: svelte-1c0vaeg-logo-pop 0.6s 0.32s ease-out both;
}

@keyframes svelte-1c0vaeg-logo-bar-in {
    0% { transform: translate(-10px); opacity: 0; }
    100% { transform: translate(0); opacity: 1; }
}
@keyframes svelte-1c0vaeg-logo-pop {
    0% { transform: scale(0); opacity: 0; }
    100% { transform: scale(1); opacity: 1; }
}
@keyframes svelte-1c0vaeg-logo-arc-in-1 {
    0% { transform: scale(0.55); opacity: 0; }
    22% { transform: scale(1); opacity: 0.95; }
    45% { opacity: 0.4; }
    68% { opacity: 0.95; }
    100% { transform: scale(1); opacity: 0.72; }
}
@keyframes svelte-1c0vaeg-logo-arc-in-2 {
    0% { transform: scale(0.55); opacity: 0; }
    22% { transform: scale(1); opacity: 0.7; }
    45% { opacity: 0.15; }
    68% { opacity: 0.7; }
    100% { transform: scale(1); opacity: 0.36; }
}

/* Nav Menu Links */
.nav-links {
    display: none;
    align-items: center;
    gap: 0.25rem;
    position: relative;
}
@media (min-width: 1024px) {
    .nav-links {
        display: flex;
    }
}

.nav-link {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.375rem 0.75rem;
    border-radius: 0.5rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--muted-foreground);
    transition: color 0.15s ease, background-color 0.15s ease;
    cursor: pointer;
}
.nav-link:hover {
    color: var(--foreground);
}
.nav-link.active {
    color: var(--primary);
}

.nav-divider {
    height: 1.25rem;
    width: 1px;
    background-color: var(--border);
    margin: 0 0.25rem;
    display: none;
}
@media (min-width: 1024px) {
    .nav-divider {
        display: block;
    }
}

/* Nav Action Buttons */
.nav-actions {
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

.icon-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    border-radius: 0.375rem;
    color: var(--muted-foreground);
    transition: background-color 0.15s ease, color 0.15s ease;
}
.icon-btn:hover {
    background-color: var(--accent);
    color: var(--foreground);
}

/* Main Content Area */
main.main-content {
    flex: 1;
    max-width: 72rem;
    width: 100%;
    margin: 0 auto;
    padding: 1.5rem 1rem;
}

/* Hero & Status Bar */
.savr-header {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.65rem;
    margin-bottom: 0.75rem;
    width: 100%;
}
@media (min-width: 768px) {
    .savr-header {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
    }
}

.savr-title-group {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    max-width: 100%;
}

.typing-title {
    font-family: var(--font-heading);
    font-size: clamp(0.85rem, 3.8vw, 1.125rem);
    font-weight: 600;
    color: var(--foreground);
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    min-height: 1.5rem;
    letter-spacing: -0.01em;
    line-height: 1.25;
}

.typing-caret {
    display: inline-block;
    width: 2px;
    height: 1.1em;
    background-color: var(--primary);
    animation: blink-caret 1s infinite;
    vertical-align: middle;
}
@keyframes blink-caret {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

/* Save Indicator */
.save-ind {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    position: relative;
    width: 1.5rem;
    height: 1.5rem;
    cursor: default;
}
.save-ind svg {
    width: 1.25rem;
    height: 1.25rem;
}
.save-ind .track {
    stroke: var(--border);
    stroke-width: 2;
}
.save-ind .arc {
    stroke: var(--primary);
    stroke-width: 2;
    stroke-linecap: round;
    stroke-dasharray: 56.5;
    stroke-dashoffset: 56.5;
    transform-origin: center;
}
.save-ind.saving .arc {
    animation: spin-save 1s linear infinite;
    stroke-dashoffset: 20;
}
@keyframes spin-save {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}
.save-ind .tick {
    stroke: #10b981;
    stroke-width: 2.2;
    stroke-linecap: round;
    stroke-linejoin: round;
    opacity: 0;
    transition: opacity 0.2s ease;
}
.save-ind.saved .tick {
    opacity: 1;
}
.save-ind.saved .track {
    stroke: #10b981;
    opacity: 0.3;
}
.save-ind.resting .tick {
    opacity: 1;
    stroke: var(--muted-foreground);
}

/* Toolbar Buttons */
.savr-toolbar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.375rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.375rem;
    font-size: 0.875rem;
    font-weight: 500;
    height: 2rem;
    padding: 0 0.75rem;
    border-radius: 0.375rem;
    border: 1px solid var(--border);
    background-color: var(--card);
    color: var(--foreground);
    box-shadow: var(--shadow-sm);
    transition: background-color 0.15s ease, border-color 0.15s ease, transform 0.1s ease;
    white-space: nowrap;
}
.btn:hover {
    background-color: var(--accent);
}
.btn:active {
    transform: scale(0.98);
}
.btn svg {
    width: 0.875rem;
    height: 0.875rem;
    flex-shrink: 0;
}

.btn-primary {
    background-color: var(--primary);
    color: var(--primary-foreground);
    border-color: var(--primary);
}
.btn-primary:hover {
    background-color: var(--primary-700);
}

.btn-destructive {
    background-color: var(--destructive);
    color: var(--destructive-foreground);
    border-color: var(--destructive);
}
.btn-destructive:hover {
    opacity: 0.9;
}

.btn-counter {
    background: var(--muted);
    font-size: 0.75rem;
    padding: 0.1rem 0.4rem;
    border-radius: 9999px;
    font-weight: 600;
    color: var(--muted-foreground);
}

/* Main Textarea */
.textarea-container {
    position: relative;
    width: 100%;
}

.savr-textarea {
    width: 100%;
    min-height: 55vh;
    padding: 1.25rem;
    font-family: inherit;
    font-size: 11pt;
    line-height: 1.625;
    background-color: var(--card);
    color: var(--foreground);
    border: 2px solid var(--primary);
    border-radius: var(--radius-xl);
    resize: vertical;
    outline: none;
    transition: box-shadow 0.2s ease, border-color 0.2s ease;
}
.savr-textarea:focus {
    box-shadow: 0 0 0 4px color-mix(in srgb, var(--primary) 15%, transparent), var(--shadow-md);
}
.savr-textarea::placeholder {
    color: color-mix(in srgb, var(--muted-foreground) 60%, transparent);
}

/* Locked Overlay */
.locked-overlay {
    position: absolute;
    inset: 0;
    background-color: color-mix(in srgb, var(--card) 92%, transparent);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-radius: var(--radius-xl);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    z-index: 10;
    border: 2px dashed var(--primary);
    text-align: center;
    padding: 2rem;
}
.locked-overlay h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--foreground);
}
.locked-overlay p {
    font-size: 0.875rem;
    color: var(--muted-foreground);
    max-width: 24rem;
}

/* Textarea Meta Bar */
.textarea-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.45rem 0.25rem;
    font-size: 0.75rem;
    color: var(--muted-foreground);
}

/* Feedback Pill */
.feedback-pill-container {
    display: flex;
    justify-content: center;
    margin: 1.5rem 0;
}
.feedback-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.375rem 0.875rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    color: var(--muted-foreground);
    background: var(--card);
    border: 1px solid var(--border);
    transition: color 0.15s ease, background-color 0.15s ease;
    cursor: pointer;
}
.feedback-pill:hover {
    color: var(--primary);
    background: color-mix(in srgb, var(--primary) 6%, var(--card));
}

/* How Simple.Savr Works Accordion */
.guide-section {
    margin-top: 4rem;
    border-top: 1px solid var(--border);
    padding-top: 0.5rem;
}

.accordion-trigger {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--muted-foreground);
    text-align: left;
    transition: color 0.2s ease;
}
.accordion-trigger:hover {
    color: var(--foreground);
}
.accordion-icon {
    width: 1rem;
    height: 1rem;
    transition: transform 0.3s ease;
}
.accordion-trigger[aria-expanded="true"] .accordion-icon {
    transform: rotate(180deg);
}

.accordion-content {
    display: none;
    max-width: 42rem;
    padding-bottom: 2rem;
    color: var(--muted-foreground);
    font-size: 0.875rem;
    line-height: 1.65;
}
.accordion-content.expanded {
    display: block;
    animation: fadeIn 0.25s ease-out;
}
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-4px); }
    to { opacity: 1; transform: translateY(0); }
}
.accordion-content h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--foreground);
    margin: 1.25rem 0 0.5rem 0;
}
.accordion-content ol {
    margin-left: 1.25rem;
    margin-top: 0.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}
.accordion-content a {
    color: var(--primary);
}
.accordion-content a:hover {
    text-decoration: underline;
}

/* Footer */
footer.app-footer {
    border-top: 1px solid var(--border);
    padding: 1.25rem 1rem;
    margin-top: auto;
    font-size: 0.875rem;
    color: var(--muted-foreground);
}

.footer-container {
    max-width: 72rem;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
}
@media (min-width: 640px) {
    .footer-container {
        flex-direction: row;
    }
}
.footer-left {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.footer-links {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}
.footer-links a:hover {
    color: var(--foreground);
}

/* Modal System */
.modal-backdrop {
    position: fixed;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.45);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    display: none;
    place-items: center;
    z-index: 100;
    padding: 1rem;
}
.modal-backdrop.open {
    display: grid;
    animation: fadeIn 0.15s ease-out;
}

.modal-card {
    background-color: var(--card);
    color: var(--foreground);
    border: 1px solid var(--border);
    border-radius: var(--radius-surface);
    width: 100%;
    max-width: 32rem;
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    max-height: 88vh;
    animation: modalPop 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}
@keyframes modalPop {
    0% { transform: scale(0.96); opacity: 0; }
    100% { transform: scale(1); opacity: 1; }
}

.modal-header {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.modal-title {
    font-size: 1.125rem;
    font-weight: 600;
}
.modal-close-btn {
    width: 1.75rem;
    height: 1.75rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 0.375rem;
    color: var(--muted-foreground);
}
.modal-close-btn:hover {
    background-color: var(--accent);
    color: var(--foreground);
}

.modal-body {
    padding: 1.5rem;
    overflow-y: auto;
}

.modal-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 0.5rem;
    background: color-mix(in srgb, var(--muted) 30%, var(--card));
}

/* Form Styles */
.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    margin-bottom: 1rem;
}
.form-label {
    font-size: 0.875rem;
    font-weight: 500;
}
.form-hint {
    font-size: 0.775rem;
    color: var(--muted-foreground);
}
.form-input {
    width: 100%;
    padding: 0.55rem 0.75rem;
    border: 1px solid var(--border);
    background-color: var(--background);
    color: var(--foreground);
    border-radius: 0.5rem;
    font-size: 0.875rem;
    font-family: inherit;
    outline: none;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.form-input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--primary) 15%, transparent);
}

/* Tabs */
.tabs-nav {
    display: flex;
    border-bottom: 1px solid var(--border);
    gap: 0.5rem;
    padding: 0 1.5rem;
    background-color: var(--card);
}
.tab-btn {
    padding: 0.75rem 0.5rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--muted-foreground);
    border-bottom: 2px solid transparent;
    cursor: pointer;
    transition: color 0.15s, border-color 0.15s;
}
.tab-btn:hover {
    color: var(--foreground);
}
.tab-btn.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
}

/* Dropzone */
.dropzone-box {
    border: 2px dashed var(--border);
    border-radius: var(--radius-xl);
    padding: 2.5rem 1.5rem;
    text-align: center;
    cursor: pointer;
    background-color: color-mix(in srgb, var(--muted) 40%, transparent);
    transition: border-color 0.2s, background-color 0.2s;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
}
.dropzone-box:hover, .dropzone-box.dragover {
    border-color: var(--primary);
    background-color: color-mix(in srgb, var(--primary) 5%, transparent);
}
.dropzone-icon {
    width: 2.5rem;
    height: 2.5rem;
    color: var(--primary);
}

/* File item list */
.file-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-top: 1rem;
}
.file-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.65rem 0.85rem;
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    background-color: var(--background);
    gap: 0.75rem;
}
.file-info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    min-width: 0;
}
.file-thumb {
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 0.375rem;
    object-fit: cover;
    background: var(--muted);
    flex-shrink: 0;
}
.file-name {
    font-size: 0.875rem;
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.file-sub {
    font-size: 0.75rem;
    color: var(--muted-foreground);
}
.file-actions {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    flex-shrink: 0;
}

/* Fullscreen Drag Overlay */
.fullscreen-drag-overlay {
    position: fixed;
    inset: 0;
    background-color: rgba(233, 88, 93, 0.12);
    backdrop-filter: blur(4px);
    z-index: 200;
    display: none;
    place-items: center;
    border: 4px dashed var(--primary);
    pointer-events: none;
}
.fullscreen-drag-overlay.active {
    display: grid;
}
.drag-overlay-message {
    background: var(--card);
    color: var(--foreground);
    padding: 1.5rem 2.5rem;
    border-radius: var(--radius-surface);
    font-weight: 600;
    font-size: 1.25rem;
    box-shadow: var(--shadow-xl);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

/* Sonner Toasts */
.toast-container {
    position: fixed;
    bottom: 1.25rem;
    right: 1.25rem;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    pointer-events: none;
}
.toast {
    background: var(--card);
    color: var(--foreground);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 0.85rem 1rem;
    font-size: 0.875rem;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 0.65rem;
    pointer-events: auto;
    animation: toastIn 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    overflow: hidden;
    max-width: 22rem;
}
@keyframes toastIn {
    from { transform: translateY(1rem) scale(0.95); opacity: 0; }
    to { transform: translateY(0) scale(1); opacity: 1; }
}
.toast::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    height: 3px;
    background: var(--primary);
    width: 100%;
    animation: toastProgress 4s linear forwards;
}
@keyframes toastProgress {
    from { width: 100%; }
    to { width: 0%; }
}

/* Dropdown Menu */
.dropdown {
    position: relative;
}
.dropdown-menu {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 0.35rem;
    min-width: 11rem;
    background-color: var(--popover);
    color: var(--popover-foreground);
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    box-shadow: var(--shadow-lg);
    padding: 0.25rem;
    display: none;
    z-index: 50;
}
.dropdown-menu.show {
    display: block;
    animation: fadeIn 0.15s ease-out;
}
.dropdown-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.45rem 0.65rem;
    font-size: 0.825rem;
    border-radius: 0.375rem;
    color: var(--foreground);
    cursor: pointer;
}
.dropdown-item:hover {
    background-color: var(--accent);
}

/* Mobile Drawer */
.mobile-drawer {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: 18rem;
    background: var(--card);
    border-left: 1px solid var(--border);
    z-index: 150;
    transform: translateX(100%);
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    display: flex;
    flex-direction: column;
    padding: 1.25rem;
    box-shadow: var(--shadow-xl);
}
.mobile-drawer.open {
    transform: translateX(0);
}
.mobile-drawer-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}
.mobile-nav-links {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}
.mobile-nav-links a {
    padding: 0.65rem 0.85rem;
    border-radius: 0.5rem;
    font-size: 0.95rem;
    font-weight: 500;
}
.mobile-nav-links a:hover {
    background-color: var(--accent);
}

/* ==========================================================
   Comprehensive Responsive Mobile & Tablet Design System
   ========================================================== */

@media (max-width: 768px) {
    .nav-links {
        display: none !important;
    }
    .nav-divider {
        display: none !important;
    }
    .icon-btn[aria-label="Open menu"] {
        display: inline-flex !important;
    }
}

@media (max-width: 640px) {
    /* Header & Navigation */
    .app-header {
        height: 3.25rem;
    }
    .nav-container {
        padding: 0 0.75rem;
        height: 3.25rem;
    }
    .logo-icon {
        width: 32px;
        height: 32px;
    }
    .logo-w1, .logo-w2 {
        font-size: 1.15rem;
    }
    .nav-actions {
        gap: 0.25rem;
    }
    .icon-btn {
        width: 2.25rem;
        height: 2.25rem;
    }

    /* Main Container */
    main.main-content {
        padding: 0.85rem 0.65rem 1.5rem 0.65rem;
    }

    /* Hero Title & Status */
    .savr-header {
        gap: 0.5rem;
        margin-bottom: 0.65rem;
    }
    .savr-title-group {
        gap: 0.4rem;
    }
    .typing-title {
        font-size: 0.95rem;
    }

    /* Symmetrical Mobile Toolbar */
    .savr-toolbar {
        display: grid;
        grid-template-columns: 1fr 1fr 1fr 1fr 2.5rem;
        gap: 0.3rem;
        width: 100%;
    }
    .savr-toolbar .btn {
        height: 2.25rem;
        padding: 0 0.25rem;
        font-size: 0.775rem;
        gap: 0.2rem;
        border-radius: 0.4rem;
        justify-content: center;
        min-width: 0;
    }
    .savr-toolbar .btn svg {
        width: 0.85rem;
        height: 0.85rem;
    }
    .btn-counter {
        padding: 0 4px;
        font-size: 0.65rem;
        height: 1rem;
        min-width: 1rem;
        line-height: 1rem;
    }

    /* Textarea Container */
    .savr-textarea-wrap {
        border-radius: 0.75rem;
    }
    .savr-textarea {
        min-height: 46vh;
        padding: 0.85rem 0.75rem;
        font-size: 15px !important; /* Prevents unwanted iOS auto-zoom */
        line-height: 1.5;
        border-radius: 0.75rem;
    }

    /* Meta Bar Below Textarea */
    .textarea-meta {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.4rem;
        padding: 0.5rem 0.15rem;
        font-size: 0.725rem;
    }
    .textarea-meta > div:first-child {
        display: flex;
        align-items: center;
        gap: 0.4rem;
        width: 100%;
        justify-content: space-between;
    }
    #char-counter {
        font-size: 0.7rem;
        color: var(--muted-foreground);
    }
    .network-badge {
        font-size: 0.725rem;
        max-width: 100%;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    /* Feedback Pill */
    .feedback-pill-container {
        margin: 1.25rem 0;
    }
    .feedback-pill {
        font-size: 0.725rem;
        padding: 0.35rem 0.75rem;
    }

    /* Guide / Accordion */
    .guide-section {
        margin-top: 2.5rem;
    }
    .accordion-trigger {
        font-size: 0.825rem;
        padding: 0.85rem 0;
    }
    .accordion-content {
        font-size: 0.8rem;
        line-height: 1.55;
        padding-bottom: 1.5rem;
    }

    /* Footer */
    footer.app-footer {
        padding: 1.25rem 0.75rem;
        font-size: 0.775rem;
    }
    .footer-container {
        flex-direction: column;
        text-align: center;
        gap: 0.75rem;
    }
    .footer-left {
        flex-direction: column;
        gap: 0.35rem;
    }
    .footer-links {
        gap: 1rem;
        justify-content: center;
    }

    /* Modals on Mobile */
    .modal-backdrop {
        padding: 0.65rem;
        align-items: center;
    }
    .modal-card {
        width: 100% !important;
        max-width: 100% !important;
        max-height: 90vh;
        border-radius: 0.875rem;
    }
    .modal-header {
        padding: 0.85rem 1rem;
    }
    .modal-title {
        font-size: 1rem;
    }
    .modal-body {
        padding: 1rem;
        max-height: 65vh;
    }
    .modal-footer {
        padding: 0.75rem 1rem;
    }
    .modal-tabs {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        gap: 0.2rem;
        padding: 0 0.5rem;
    }
    .modal-tabs::-webkit-scrollbar {
        display: none;
    }
    .tab-btn {
        padding: 0.45rem 0.6rem;
        font-size: 0.775rem;
        white-space: nowrap;
    }

    /* QR Code Box Scaling */
    #link-qr-mount {
        padding: 6px;
    }
    #link-qr-mount img, #link-qr-mount canvas {
        width: 140px !important;
        height: 140px !important;
        max-width: 100%;
    }
    #link-code-display {
        font-size: 1.25rem !important;
    }

    /* Secret Note QR */
    #sn-ready-qr img, #sn-ready-qr canvas {
        width: 130px !important;
        height: 130px !important;
    }

    /* File List Items */
    .file-item {
        padding: 0.65rem 0.75rem;
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
    .file-actions {
        width: 100%;
        justify-content: flex-end;
    }

    /* Mobile Drawer */
    .mobile-drawer {
        width: 16.5rem;
    }

    /* Toast Notifications */
    .toast-container {
        top: auto;
        bottom: 1rem;
        right: 0.75rem;
        left: 0.75rem;
        align-items: center;
    }
    .toast {
        width: 100%;
        max-width: 100%;
        padding: 0.65rem 0.85rem;
        font-size: 0.8rem;
    }
}