/* ============================================
   BinIt - Thought Processing Web Application
   Black & White Fluid Glass Aesthetic
   ============================================ */

/* CSS Custom Properties */
:root {
    /* Colors - Black & White Palette */
    --bg-deep: #0a0a0a;
    --bg-mid: #1a1a1a;
    --glass-surface: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-highlight: rgba(255, 255, 255, 0.15);
    --glass-inner-shadow: inset 0 2px 10px rgba(0, 0, 0, 0.2);
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --text-muted: #606060;
    --accent: #f0f0f0;
    --danger: #8a8a8a;
    --memory: #e8e8e8;
    
    /* Typography */
    --font-display: 'Cormorant Garamond', serif;
    --font-body: 'Nunito Sans', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    
    /* Borders */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 30px;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 300ms ease;
    --transition-slow: 500ms ease;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-weight: 300;
    color: var(--text-primary);
    background: var(--bg-deep);
    min-height: 100vh;
    overflow-x: hidden;
    line-height: 1.6;
}

/* ============================================
   Animated Fluid Background
   ============================================ */
.background-fluid {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
    background: var(--bg-deep);
}

.fluid-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.04;
    animation: fluidMove 25s ease-in-out infinite;
}

.fluid-orb-1 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, #ffffff 0%, transparent 70%);
    top: -200px;
    left: -100px;
    animation-delay: 0s;
}

.fluid-orb-2 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, #ffffff 0%, transparent 70%);
    bottom: -150px;
    right: -100px;
    animation-delay: -8s;
}

.fluid-orb-3 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, #808080 0%, transparent 70%);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: -16s;
}

@keyframes fluidMove {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    25% {
        transform: translate(50px, -30px) scale(1.1);
    }
    50% {
        transform: translate(-30px, 50px) scale(0.95);
    }
    75% {
        transform: translate(-50px, -20px) scale(1.05);
    }
}

/* ============================================
   Glass Panel Base Styles
   ============================================ */
.glass-panel {
    background: var(--glass-surface);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--glass-inner-shadow);
}

.glass-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(10, 10, 10, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    padding: var(--spacing-md) var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* ============================================
   Header & Logo
   ============================================ */
.logo {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.logo h1 {
    font-family: var(--font-display);
    font-weight: 300;
    font-size: 2.5rem;
    letter-spacing: 0.1em;
    color: var(--text-primary);
    line-height: 1;
}

.logo-tagline {
    font-size: 0.7rem;
    color: var(--text-muted);
    letter-spacing: 0.2em;
    text-transform: uppercase;
}

/* ============================================
   Main Content Layout
   ============================================ */
.main-content {
    padding: var(--spacing-lg);
    padding-bottom: 100px;
    max-width: 1400px;
    margin: 0 auto;
    min-height: calc(100vh - 180px);
    transition: opacity var(--transition-normal), transform var(--transition-normal);
}

.section-title {
    font-family: var(--font-display);
    font-weight: 400;
    font-size: 1.5rem;
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

/* ============================================
   Input Section
   ============================================ */
.input-section {
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.input-container {
    margin-bottom: var(--spacing-lg);
}

.thought-textarea {
    width: 100%;
    min-height: 120px;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--text-primary);
    resize: vertical;
    transition: var(--transition-fast);
}

.thought-textarea::placeholder {
    color: var(--text-muted);
}

.thought-textarea:focus {
    outline: none;
    border-color: var(--glass-highlight);
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.05);
}

.input-meta {
    display: flex;
    justify-content: flex-end;
    margin-top: var(--spacing-sm);
}

.char-count {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.input-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.retention-selector {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.retention-selector label {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.glass-select {
    background: var(--glass-surface);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 0.875rem;
    cursor: pointer;
    transition: var(--transition-fast);
}

.glass-select:hover {
    background: var(--glass-highlight);
}

.glass-select:focus {
    outline: none;
    border-color: var(--glass-highlight);
}

.crumple-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: var(--glass-surface);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-md) var(--spacing-xl);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 0.875rem;
    cursor: pointer;
    transition: var(--transition-normal);
}

.crumple-btn:hover {
    background: var(--glass-highlight);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.crumple-btn:active {
    transform: translateY(0);
}

.btn-icon {
    font-size: 1.2rem;
}

/* ============================================
   Thoughts Grid
   ============================================ */
.thoughts-section {
    margin-bottom: var(--spacing-xl);
}

.thoughts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

/* ============================================
   Thought Cards
   ============================================ */
.thought-card {
    position: relative;
    background: var(--glass-surface);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    min-height: 150px;
    cursor: grab;
    transition: var(--transition-normal);
    animation: cardFloat 4s ease-in-out infinite;
    user-select: none;
}

.thought-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 0 30px rgba(255, 255, 255, 0.08);
    border-color: var(--glass-highlight);
}

.thought-card.dragging {
    cursor: grabbing;
    animation: none;
    z-index: 1000;
}

/* Crumple animation states */
.thought-card.crumpling {
    animation: crumple 0.3s ease-in-out forwards;
}

.thought-card.crumpled {
    transform: scale(0.95, 0.85) rotate(5deg);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

@keyframes cardFloat {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-3px);
    }
}

@keyframes crumple {
    0% {
        transform: scale(1);
    }
    30% {
        transform: scale(1.1, 0.8) rotate(-3deg);
    }
    60% {
        transform: scale(0.9, 0.85) rotate(2deg);
    }
    100% {
        transform: scale(0.95, 0.85) rotate(0deg);
    }
}

.thought-card-content {
    margin-bottom: var(--spacing-md);
}

.thought-text {
    font-size: 0.95rem;
    color: var(--text-primary);
    line-height: 1.5;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 4;
    -webkit-box-orient: vertical;
    line-clamp: 4;
}

.thought-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.7rem;
    color: var(--text-muted);
}

.thought-date {
    opacity: 0.7;
}

.thought-days {
    padding: 2px 8px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
}

.thought-status {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent);
}

.thought-status.pending {
    background: var(--danger);
}

.thought-status.preserved {
    background: var(--memory);
    box-shadow: 0 0 8px rgba(232, 232, 232, 0.5);
}

/* ============================================
   Empty States
   ============================================ */
.empty-state {
    text-align: center;
    padding: var(--spacing-2xl);
    color: var(--text-muted);
}

.empty-state.hidden {
    display: none;
}

.empty-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
    opacity: 0.5;
}

.empty-subtitle {
    font-size: 0.875rem;
    margin-top: var(--spacing-sm);
    opacity: 0.7;
}

/* ============================================
   Trash Can Container
   ============================================ */
.trash-container {
    position: fixed;
    bottom: 120px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 90;
    display: flex;
    flex-direction: column;
    align-items: center;
    transition: var(--transition-normal);
    padding: var(--spacing-md);
    background: rgba(10, 10, 10, 0.6);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(10px);
}

.trash-container.hidden {
    opacity: 0;
    pointer-events: none;
    transform: translateX(-50%) translateY(20px);
}

.trash-can {
    position: relative;
    width: 80px;
    height: 100px;
    cursor: pointer;
    transition: var(--transition-normal);
}

.trash-can.drag-over {
    transform: scale(1.1);
}

.trash-lid {
    position: absolute;
    top: 0;
    left: -5px;
    width: 90px;
    height: 15px;
    background: var(--glass-surface);
    border: 1px solid var(--glass-border);
    border-radius: 5px 5px 0 0;
    transition: var(--transition-fast);
}

.trash-can.drag-over .trash-lid {
    transform: translateY(-10px) rotate(-15deg);
}

.trash-body {
    position: absolute;
    top: 12px;
    left: 0;
    width: 80px;
    height: 85px;
    background: var(--glass-surface);
    border: 1px solid var(--glass-border);
    border-radius: 0 0 10px 10px;
    overflow: hidden;
    transition: var(--transition-fast);
}

.trash-interior {
    position: absolute;
    top: 5px;
    left: 5px;
    right: 5px;
    bottom: 5px;
    background: rgba(0, 0, 0, 0.5);
    border-radius: 5px;
    transition: var(--transition-fast);
}

.trash-can.drag-over .trash-interior {
    background: rgba(255, 255, 255, 0.1);
}

.trash-count {
    position: absolute;
    top: -10px;
    right: -10px;
    width: 28px;
    height: 28px;
    background: var(--accent);
    color: var(--bg-deep);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 600;
}

.trash-hint {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: var(--spacing-sm);
    opacity: 0.7;
}

.trash-container.hovering .trash-hint {
    opacity: 1;
    color: var(--text-primary);
}

/* Trash swallow animation */
@keyframes swallow {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(0.8);
    }
    100% {
        transform: scale(0);
        opacity: 0;
    }
}

.thought-card.swallowed {
    animation: swallow 0.4s ease-in forwards;
}

/* ============================================
   Tab Navigation
   ============================================ */
.tab-navigation {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    display: flex;
    justify-content: space-around;
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    border: 1px solid var(--glass-border);
    border-bottom: none;
    z-index: 100;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(20px);
}

.tab-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-family: var(--font-body);
    font-size: 0.7rem;
    cursor: pointer;
    padding: var(--spacing-sm);
    transition: var(--transition-fast);
    position: relative;
}

.tab-btn:hover {
    color: var(--text-secondary);
}

.tab-btn.active {
    color: var(--text-primary);
}

.tab-icon {
    font-size: 1.5rem;
}

.tab-badge {
    position: absolute;
    top: 0;
    right: 50%;
    transform: translateX(15px);
    background: var(--danger);
    color: var(--text-primary);
    font-size: 0.65rem;
    font-weight: 600;
    padding: 2px 6px;
    border-radius: 10px;
    min-width: 18px;
    text-align: center;
}

.tab-badge.hidden {
    display: none;
}

/* ============================================
   Tab Panels
   ============================================ */
.tab-panels {
    display: none;
    padding: var(--spacing-lg);
    padding-bottom: 120px;
    max-width: 1000px;
    margin: 0 auto;
    min-height: calc(100vh - 180px);
}

.tab-panels.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

.tab-panel {
    display: none;
}

.tab-panel.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ============================================
   Calendar/Timeline View
   ============================================ */
.calendar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
}

.calendar-header h3 {
    font-family: var(--font-display);
    font-weight: 400;
    font-size: 1.25rem;
}

.calendar-nav {
    width: 36px;
    height: 36px;
    background: var(--glass-surface);
    border: 1px solid var(--glass-border);
    border-radius: 50%;
    color: var(--text-primary);
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition-fast);
}

.calendar-nav:hover {
    background: var(--glass-highlight);
}

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 4px;
    margin-bottom: var(--spacing-lg);
}

.calendar-day-header {
    text-align: center;
    font-size: 0.7rem;
    color: var(--text-muted);
    padding: var(--spacing-sm);
    font-weight: 600;
}

.calendar-day {
    aspect-ratio: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: var(--glass-surface);
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    cursor: pointer;
    transition: var(--transition-fast);
    position: relative;
}

.calendar-day:hover {
    border-color: var(--glass-border);
    background: var(--glass-highlight);
}

.calendar-day.other-month {
    opacity: 0.3;
}

.calendar-day.today {
    border-color: var(--glass-highlight);
}

.calendar-day.has-thoughts::after {
    content: '';
    position: absolute;
    bottom: 4px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent);
}

.calendar-day.has-pending::after {
    background: var(--danger);
}

.calendar-day.has-preserved::after {
    background: var(--memory);
}

.calendar-legend {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    font-size: 0.75rem;
    color: var(--text-muted);
}

.legend-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.legend-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.legend-dot.active-dot { background: var(--accent); }
.legend-dot.pending-dot { background: var(--danger); }
.legend-dot.preserved-dot { background: var(--memory); }

/* ============================================
   Pending Review List
   ============================================ */
.pending-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.pending-item {
    background: var(--glass-surface);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
}

.pending-text {
    font-size: 1rem;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.pending-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
    font-size: 0.75rem;
    color: var(--text-muted);
}

.pending-actions {
    display: flex;
    gap: var(--spacing-md);
}

.action-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: var(--glass-surface);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 0.875rem;
    cursor: pointer;
    transition: var(--transition-fast);
}

.action-btn:hover {
    background: var(--glass-highlight);
}

.action-btn.burn-btn:hover {
    border-color: var(--danger);
    color: var(--danger);
}

.action-btn.preserve-btn:hover {
    border-color: var(--memory);
    color: var(--memory);
}

/* ============================================
   Memorial Grid
   ============================================ */
.memorial-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.memory-card {
    background: var(--glass-surface);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    position: relative;
    overflow: hidden;
    animation: shimmer 3s ease-in-out infinite;
}

@keyframes shimmer {
    0%, 100% {
        box-shadow: inset 0 0 0 rgba(255, 255, 255, 0);
    }
    50% {
        box-shadow: inset 0 0 30px rgba(255, 255, 255, 0.03);
    }
}

.memory-title {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 400;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--glass-border);
    padding-bottom: var(--spacing-sm);
}

.memory-text {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

.memory-date {
    font-size: 0.7rem;
    color: var(--text-muted);
}

.memory-delete {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    width: 24px;
    height: 24px;
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    opacity: 0;
    transition: var(--transition-fast);
}

.memory-card:hover .memory-delete {
    opacity: 1;
}

.memory-delete:hover {
    color: var(--danger);
}

/* ============================================
   Particle Effects
   ============================================ */
.particle-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1000;
}

.particle {
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
    animation: particleFly 2s ease-out forwards;
}

@keyframes particleFly {
    0% {
        opacity: 1;
        transform: translate(0, 0) scale(1);
    }
    100% {
        opacity: 0;
        transform: translate(var(--tx), var(--ty)) scale(0);
    }
}

/* ============================================
   Toast Notifications
   ============================================ */
.toast-container {
    position: fixed;
    top: 80px;
    right: var(--spacing-lg);
    z-index: 200;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.toast {
    background: var(--glass-surface);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-md) var(--spacing-lg);
    color: var(--text-primary);
    font-size: 0.875rem;
    animation: toastIn 0.3s ease;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.toast.fade-out {
    animation: toastOut 0.3s ease forwards;
}

@keyframes toastIn {
    from {
        opacity: 0;
        transform: translateX(100px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes toastOut {
    from {
        opacity: 1;
        transform: translateX(0);
    }
    to {
        opacity: 0;
        transform: translateX(100px);
    }
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 640px) {
    .logo h1 {
        font-size: 1.8rem;
    }
    
    .logo-tagline {
        display: none;
    }
    
    .main-content {
        padding: var(--spacing-md);
        padding-bottom: 100px;
    }
    
    .tab-panels {
        padding: var(--spacing-md);
        padding-bottom: 100px;
    }
    
    .input-section {
        padding: var(--spacing-lg);
    }
    
    .input-controls {
        flex-direction: column;
        align-items: stretch;
    }
    
    .crumple-btn {
        justify-content: center;
    }
    
    .thoughts-grid {
        grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    }
    
    .trash-container {
        bottom: 100px;
        left: 10px;
        right: 10px;
        transform: none;
    }
    
    .trash-container.hidden {
        transform: translateY(20px);
    }
    
    .trash-can {
        width: 60px;
        height: 75px;
    }
    
    .trash-body {
        width: 60px;
        height: 65px;
    }
    
    .trash-lid {
        width: 70px;
    }
    
    .tab-panels {
        padding: var(--spacing-md);
        padding-bottom: 100px;
    }
    
    .calendar-grid {
        gap: 2px;
    }
    
    .calendar-day {
        font-size: 0.7rem;
    }
    
    .pending-actions {
        flex-direction: column;
    }
    
    .memorial-grid {
        grid-template-columns: 1fr;
    }
}

@media (min-width: 641px) and (max-width: 1024px) {
    .thoughts-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .memorial-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1025px) {
    .thoughts-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .memorial-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* ============================================
   Utility Classes
   ============================================ */
.hidden {
    display: none !important;
}

.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;
}

/* ============================================
    Page Transitions
    ============================================ */
.main-content.view-hidden {
    display: none;
}

/* Improved glass panel layering */
.glass-panel {
    position: relative;
    z-index: 1;
}

.input-section {
    position: relative;
    z-index: 2;
}

.thoughts-section {
    position: relative;
    z-index: 1;
}

/* Better tab panel spacing */
#timelinePanel,
#pendingPanel,
#memorialPanel {
    padding-top: var(--spacing-md);
}

/* Smooth page transitions */
body {
    overflow-y: auto;
}