@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&display=swap');

:root {
    --bg-primary: #0b0813;
    --bg-secondary: #131024;
    --bg-accent-glow: radial-gradient(circle at 50% -20%, rgba(123, 97, 255, 0.15) 0%, rgba(0, 0, 0, 0) 60%);
    --card-bg: rgba(25, 22, 45, 0.45);
    --card-border: rgba(255, 255, 255, 0.08);
    --card-border-hover: rgba(123, 97, 255, 0.3);
    
    --text-primary: #ffffff;
    --text-secondary: #9e9bb0;
    --text-muted: #625f77;
    
    --color-accent: #7b61ff;
    --color-accent-rgb: 123, 97, 255;
    --color-cyan: #0df;
    --color-cyan-rgb: 0, 221, 255;
    --color-rose: #ff4a86;
    --color-rose-rgb: 255, 74, 134;
    --color-success: #05c46b;
    --color-warning: #ffc048;
    
    --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.35);
    --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.5);
    --shadow-accent: 0 0 20px rgba(123, 97, 255, 0.25);
    --shadow-cyan: 0 0 20px rgba(0, 221, 255, 0.25);
    --shadow-rose: 0 0 20px rgba(255, 74, 134, 0.25);
    
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    
    --sidebar-width: 260px;
    --header-height: 70px;
}

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

body {
    font-family: 'Plus Jakarta Sans', sans-serif;
    background-color: var(--bg-primary);
    background-image: var(--bg-accent-glow);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    display: flex;
}

/* Scrollbar styling */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
    background: var(--card-border);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--color-accent);
}

/* Sidebar Layout */
aside {
    width: var(--sidebar-width);
    background: rgba(14, 11, 26, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-right: 1px solid var(--card-border);
    display: flex;
    flex-direction: column;
    height: 100vh;
    position: fixed;
    left: 0;
    top: 0;
    z-index: 100;
    transition: var(--transition-normal);
}

.brand {
    padding: 30px 24px;
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.3rem;
    font-weight: 800;
    letter-spacing: 0.5px;
    color: var(--text-primary);
    text-transform: uppercase;
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-cyan) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.brand svg {
    stroke: var(--color-accent);
    filter: drop-shadow(0 0 8px rgba(123, 97, 255, 0.5));
}

.nav-links {
    list-style: none;
    padding: 10px 14px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex-grow: 1;
}

.nav-links li a {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 14px 18px;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: 12px;
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition-fast);
}

.nav-links li a:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.03);
}

.nav-links li.active a {
    color: var(--text-primary);
    background: rgba(123, 97, 255, 0.15);
    border: 1px solid rgba(123, 97, 255, 0.25);
    box-shadow: var(--shadow-accent);
}

.nav-links li a svg {
    transition: var(--transition-fast);
    flex-shrink: 0;
}

.nav-links li.active a svg {
    stroke: var(--color-cyan);
    filter: drop-shadow(0 0 6px rgba(0, 221, 255, 0.6));
}

.sidebar-footer {
    padding: 24px;
    border-top: 1px solid var(--card-border);
    font-size: 0.8rem;
    color: var(--text-muted);
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.sidebar-footer a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
}

.sidebar-footer a:hover {
    color: var(--color-accent);
}

/* Main Content Area */
main {
    margin-left: var(--sidebar-width);
    flex-grow: 1;
    min-height: 100vh;
    padding: 40px;
    position: relative;
    z-index: 10;
    display: flex;
    flex-direction: column;
}

/* App Header & Responsive trigger */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
}

.header-title h1 {
    font-size: 2.2rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    margin-bottom: 6px;
    background: linear-gradient(180deg, #ffffff 0%, #a5a2b8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.header-title p {
    color: var(--text-secondary);
    font-size: 1rem;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.nav-toggle {
    display: none;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    color: var(--text-primary);
    width: 44px;
    height: 44px;
    border-radius: 12px;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    transition: var(--transition-fast);
}

.nav-toggle:hover {
    border-color: var(--color-accent);
    background: rgba(123, 97, 255, 0.1);
}

/* Pages Layout */
.page {
    display: none;
    flex-direction: column;
    gap: 30px;
    animation: fadeIn var(--transition-normal);
}

.page.active {
    display: flex;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(12px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Buttons & Controls */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 12px 24px;
    border-radius: 12px;
    font-family: inherit;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-fast);
    border: 1px solid transparent;
}

.btn-primary {
    background: var(--color-accent);
    color: #fff;
    box-shadow: var(--shadow-accent);
}

.btn-primary:hover {
    background: #6248e3;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(123, 97, 255, 0.4);
}

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

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--text-secondary);
    transform: translateY(-2px);
}

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

.btn-outline:hover {
    border-color: var(--color-accent);
    background: rgba(123, 97, 255, 0.08);
}

.btn-danger {
    background: rgba(255, 74, 134, 0.15);
    color: var(--color-rose);
    border: 1px solid rgba(255, 74, 134, 0.25);
}

.btn-danger:hover {
    background: var(--color-rose);
    color: white;
    box-shadow: var(--shadow-rose);
}

/* Glass Cards */
.card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    padding: 26px;
    box-shadow: var(--shadow-md);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    transition: border-color var(--transition-fast), transform var(--transition-fast);
    position: relative;
    overflow: hidden;
}

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

.card-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 18px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.card-title svg {
    color: var(--color-cyan);
}

/* GRID LAYOUTS */
.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.grid-1-2 {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 30px;
}

/* DASHBOARD SPECIFICS */
.welcome-banner {
    background: linear-gradient(135deg, rgba(123, 97, 255, 0.25) 0%, rgba(0, 221, 255, 0.08) 100%);
    border: 1px solid rgba(123, 97, 255, 0.2);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 40px;
}

.welcome-text h2 {
    font-size: 1.8rem;
    font-weight: 800;
    margin-bottom: 8px;
}

.welcome-text p {
    color: var(--text-secondary);
    font-size: 1.05rem;
    line-height: 1.6;
    max-width: 550px;
}

.quote-card {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: 160px;
    border-left: 4px solid var(--color-cyan);
}

.quote-text {
    font-size: 1.15rem;
    font-style: italic;
    line-height: 1.6;
    color: #e3e1f0;
}

.quote-author {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-cyan);
    margin-top: 15px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.metric-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.metric-card {
    text-align: center;
    padding: 20px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--card-border);
    border-radius: 16px;
}

.metric-val {
    font-size: 2rem;
    font-weight: 800;
    color: var(--color-cyan);
    margin-bottom: 6px;
    text-shadow: 0 0 10px rgba(0, 221, 255, 0.3);
}

.metric-lbl {
    font-size: 0.8rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* MOOD TRACKER DESIGN */
.mood-selector {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 24px;
}

.mood-btn {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    padding: 16px 8px;
    border-radius: 16px;
    border: 1px solid var(--card-border);
    background: rgba(255, 255, 255, 0.02);
    cursor: pointer;
    transition: var(--transition-fast);
}

.mood-btn:hover {
    transform: translateY(-4px);
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--text-secondary);
}

.mood-btn.active[data-mood="5"] {
    background: rgba(5, 196, 107, 0.15);
    border-color: var(--color-success);
    box-shadow: 0 0 15px rgba(5, 196, 107, 0.25);
}
.mood-btn.active[data-mood="4"] {
    background: rgba(0, 221, 255, 0.15);
    border-color: var(--color-cyan);
    box-shadow: 0 0 15px rgba(0, 221, 255, 0.25);
}
.mood-btn.active[data-mood="3"] {
    background: rgba(255, 192, 72, 0.15);
    border-color: var(--color-warning);
    box-shadow: 0 0 15px rgba(255, 192, 72, 0.25);
}
.mood-btn.active[data-mood="2"] {
    background: rgba(123, 97, 255, 0.15);
    border-color: var(--color-accent);
    box-shadow: 0 0 15px rgba(123, 97, 255, 0.25);
}
.mood-btn.active[data-mood="1"] {
    background: rgba(255, 74, 134, 0.15);
    border-color: var(--color-rose);
    box-shadow: 0 0 15px rgba(255, 74, 134, 0.25);
}

.mood-emoji {
    font-size: 2.2rem;
    filter: drop-shadow(0 4px 6px rgba(0, 0, 0, 0.2));
}

.mood-label {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--text-secondary);
}

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

.tag-selector {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 24px;
}

.tag-btn {
    padding: 8px 16px;
    border-radius: 20px;
    border: 1px solid var(--card-border);
    background: transparent;
    color: var(--text-secondary);
    font-family: inherit;
    font-size: 0.85rem;
    cursor: pointer;
    transition: var(--transition-fast);
}

.tag-btn:hover {
    border-color: var(--text-secondary);
    color: var(--text-primary);
}

.tag-btn.active {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: white;
    box-shadow: var(--shadow-accent);
}

textarea.input-field {
    width: 100%;
    min-height: 100px;
    padding: 14px;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.95rem;
    line-height: 1.5;
    resize: vertical;
    outline: none;
    transition: var(--transition-fast);
    margin-bottom: 20px;
}

textarea.input-field:focus {
    border-color: var(--color-accent);
    box-shadow: 0 0 10px rgba(123, 97, 255, 0.15);
}

/* Mood Chart */
.chart-container {
    width: 100%;
    height: 250px;
    position: relative;
    margin-top: 10px;
}

.chart-svg {
    width: 100%;
    height: 100%;
    overflow: visible;
}

.chart-grid-line {
    stroke: rgba(255, 255, 255, 0.05);
    stroke-width: 1;
}

.chart-axis-text {
    fill: var(--text-muted);
    font-size: 10px;
    font-weight: 500;
}

.chart-line {
    fill: none;
    stroke: url(#chart-gradient);
    stroke-width: 4;
    stroke-linecap: round;
    filter: drop-shadow(0 6px 10px rgba(123, 97, 255, 0.4));
}

.chart-area {
    fill: url(#chart-area-gradient);
}

.chart-point {
    fill: var(--bg-primary);
    stroke: var(--color-cyan);
    stroke-width: 3;
    r: 6;
    transition: r var(--transition-fast), stroke-width var(--transition-fast);
    cursor: pointer;
}

.chart-point:hover {
    r: 8;
    stroke-width: 4;
}

/* History logs list */
.log-list {
    display: flex;
    flex-direction: column;
    gap: 14px;
    max-height: 400px;
    overflow-y: auto;
    padding-right: 6px;
}

.log-item {
    padding: 16px;
    border-radius: 14px;
    border: 1px solid var(--card-border);
    background: rgba(255, 255, 255, 0.01);
    display: flex;
    align-items: center;
    gap: 16px;
    transition: var(--transition-fast);
}

.log-item:hover {
    background: rgba(255, 255, 255, 0.03);
}

.log-mood-indicator {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.log-details {
    flex-grow: 1;
}

.log-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 4px;
}

.log-date {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.log-note {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.4;
}

.log-tags {
    display: flex;
    gap: 6px;
    margin-top: 6px;
}

.log-tag {
    font-size: 0.75rem;
    padding: 2px 8px;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-muted);
    border: 1px solid var(--card-border);
}

.log-delete {
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 6px;
    border-radius: 6px;
    transition: var(--transition-fast);
}

.log-delete:hover {
    color: var(--color-rose);
    background: rgba(255, 74, 134, 0.1);
}

/* BREATHING TOOL */
.breathing-box {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 50px 20px;
    min-height: 450px;
    position: relative;
}

.breathing-circle-container {
    width: 250px;
    height: 250px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 40px;
}

.breathing-outer-ring {
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    border: 1px dashed rgba(123, 97, 255, 0.3);
}

.breathing-circle {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(13, 255, 255, 0.4) 0%, rgba(123, 97, 255, 0.55) 70%);
    box-shadow: 0 0 40px rgba(123, 97, 255, 0.4), inset 0 0 20px rgba(0, 221, 255, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: width 4s cubic-bezier(0.4, 0, 0.2, 1), height 4s cubic-bezier(0.4, 0, 0.2, 1), background 2s ease;
    z-index: 2;
    position: relative;
}

.breathing-circle::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: inherit;
    filter: blur(20px);
    opacity: 0.6;
    z-index: -1;
}

/* State-based scaling controlled by JS */
.breathing-circle.inhale {
    width: 230px;
    height: 230px;
    background: radial-gradient(circle, rgba(13, 255, 255, 0.6) 0%, rgba(123, 97, 255, 0.7) 70%);
    box-shadow: 0 0 60px rgba(0, 221, 255, 0.5), inset 0 0 30px rgba(0, 221, 255, 0.7);
}

.breathing-circle.hold {
    box-shadow: 0 0 70px rgba(255, 192, 72, 0.4), inset 0 0 30px rgba(255, 192, 72, 0.5);
}

.breathing-circle.exhale {
    width: 120px;
    height: 120px;
    background: radial-gradient(circle, rgba(255, 74, 134, 0.4) 0%, rgba(123, 97, 255, 0.5) 70%);
    box-shadow: 0 0 30px rgba(255, 74, 134, 0.3), inset 0 0 20px rgba(255, 74, 134, 0.4);
}

.breathing-text {
    font-size: 1.5rem;
    font-weight: 800;
    color: white;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
    pointer-events: none;
    letter-spacing: 0.5px;
}

.breathing-timer {
    font-size: 2.8rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 10px;
    font-variant-numeric: tabular-nums;
}

.breathing-subtext {
    font-size: 1.1rem;
    color: var(--color-cyan);
    font-weight: 600;
    margin-bottom: 30px;
    height: 24px;
    text-shadow: 0 0 10px rgba(0, 221, 255, 0.2);
}

.breathing-controls {
    display: flex;
    gap: 16px;
    align-items: center;
}

.settings-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 0;
    border-bottom: 1px solid var(--card-border);
}

.settings-row:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.settings-label {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.settings-title {
    font-weight: 600;
    font-size: 0.95rem;
}

.settings-desc {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.select-control {
    background: var(--bg-primary);
    border: 1px solid var(--card-border);
    color: var(--text-primary);
    padding: 8px 12px;
    border-radius: 8px;
    outline: none;
    font-family: inherit;
    cursor: pointer;
}

.select-control:focus {
    border-color: var(--color-accent);
}

/* REFLECTION JOURNAL */
.journal-editor {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.journal-header-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.journal-date-input {
    background: transparent;
    border: none;
    border-bottom: 1px solid var(--card-border);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 1.1rem;
    font-weight: 600;
    outline: none;
    padding: 4px 0;
}

.journal-title-input {
    background: transparent;
    border: none;
    border-bottom: 2px solid var(--card-border);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 1.6rem;
    font-weight: 800;
    outline: none;
    padding: 8px 0;
    width: 100%;
    transition: var(--transition-fast);
}

.journal-title-input:focus {
    border-color: var(--color-accent);
}

.journal-prompts-container {
    background: rgba(123, 97, 255, 0.05);
    border: 1px solid rgba(123, 97, 255, 0.15);
    border-radius: 12px;
    padding: 16px;
}

.journal-prompt-title {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--color-cyan);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.journal-prompt-text {
    font-size: 0.95rem;
    color: #cbcae3;
    line-height: 1.5;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.btn-text {
    background: transparent;
    border: none;
    color: var(--color-accent);
    cursor: pointer;
    font-weight: 600;
    font-size: 0.85rem;
}

.btn-text:hover {
    color: var(--color-cyan);
    text-decoration: underline;
}

.journal-body {
    min-height: 250px;
    font-size: 1.05rem;
    line-height: 1.6;
}

/* Journal logs list side */
.journal-sidebar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.journal-list {
    display: flex;
    flex-direction: column;
    gap: 14px;
    max-height: 600px;
    overflow-y: auto;
    padding-right: 6px;
}

.journal-card {
    padding: 16px;
    border-radius: 14px;
    border: 1px solid var(--card-border);
    background: rgba(255, 255, 255, 0.01);
    cursor: pointer;
    transition: var(--transition-fast);
}

.journal-card:hover {
    background: rgba(255, 255, 255, 0.03);
    border-color: var(--card-border-hover);
    transform: translateY(-2px);
}

.journal-card.active {
    background: rgba(123, 97, 255, 0.08);
    border-color: var(--color-accent);
}

.journal-card-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 6px;
}

.journal-card-date {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 600;
}

.journal-card-title {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 8px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.journal-card-preview {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* MINDFULNESS HUB */
.soundscape-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 290px), 1fr));
    gap: 16px;
}

.sound-card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: 16px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: var(--transition-fast);
    flex-wrap: wrap;
    gap: 12px;
}

.sound-card:hover {
    border-color: var(--card-border-hover);
    background: rgba(255, 255, 255, 0.04);
}

.sound-card.playing {
    border-color: var(--color-cyan);
    background: rgba(0, 221, 255, 0.05);
}

.sound-info {
    display: flex;
    align-items: center;
    gap: 16px;
    flex: 1 1 180px;
}

.sound-icon-box {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: rgba(123, 97, 255, 0.1);
    color: var(--color-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
    flex-shrink: 0;
}

.sound-card.playing .sound-icon-box {
    background: rgba(0, 221, 255, 0.15);
    color: var(--color-cyan);
    box-shadow: var(--shadow-cyan);
}

.sound-name {
    font-weight: 700;
    font-size: 1.05rem;
    margin-bottom: 4px;
}

.sound-desc {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.sound-controls {
    display: flex;
    align-items: center;
    gap: 14px;
    flex: 1 0 130px;
    justify-content: flex-end;
}

.volume-slider {
    width: 80px;
    height: 4px;
    -webkit-appearance: none;
    appearance: none;
    background: var(--card-border);
    border-radius: 2px;
    outline: none;
    transition: var(--transition-fast);
}

.volume-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--color-accent);
    cursor: pointer;
    box-shadow: 0 0 6px rgba(123, 97, 255, 0.5);
    transition: var(--transition-fast);
}

.sound-card.playing .volume-slider::-webkit-slider-thumb {
    background: var(--color-cyan);
    box-shadow: 0 0 6px rgba(0, 221, 255, 0.5);
}

.btn-play-sound {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--card-border);
    border: none;
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
}

.btn-play-sound:hover {
    background: var(--color-accent);
    transform: scale(1.1);
}

.sound-card.playing .btn-play-sound {
    background: var(--color-cyan);
    color: #0b0813;
}

/* Quick guides section */
.guide-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.guide-item {
    border: 1px solid var(--card-border);
    border-radius: 12px;
    padding: 16px;
    cursor: pointer;
    transition: var(--transition-fast);
}

.guide-item:hover {
    background: rgba(255, 255, 255, 0.02);
    border-color: var(--color-accent);
}

.guide-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
    font-weight: 700;
}

.guide-category {
    font-size: 0.75rem;
    text-transform: uppercase;
    color: var(--color-cyan);
    letter-spacing: 0.5px;
}

.guide-body {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* Notification/Toast Banner */
.toast-container {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.toast {
    background: rgba(19, 16, 36, 0.9);
    border: 1px solid var(--color-accent);
    border-radius: 12px;
    padding: 16px 20px;
    color: var(--text-primary);
    box-shadow: var(--shadow-lg), var(--shadow-accent);
    backdrop-filter: blur(12px);
    display: flex;
    align-items: center;
    gap: 12px;
    transform: translateY(50px);
    opacity: 0;
    animation: slideUp 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
}

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

.toast.success {
    border-color: var(--color-success);
    box-shadow: 0 8px 32px rgba(5, 196, 107, 0.15);
}

/* MOBILE RESPONSIVENESS */
@media (max-width: 1024px) {
    :root {
        --sidebar-width: 240px;
    }
    .grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }
    .soundscape-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    aside {
        transform: translateX(-100%);
    }
    aside.open {
        transform: translateX(0);
    }
    main {
        margin-left: 0;
        padding: 24px;
    }
    .nav-toggle {
        display: flex;
    }
    .grid-2, .grid-3, .grid-1-2 {
        grid-template-columns: 1fr;
    }
    .welcome-banner {
        flex-direction: column;
        text-align: center;
        gap: 20px;
        padding: 24px;
    }
    .welcome-text p {
        max-width: 100%;
    }
}