:root {
    --primary-color: #8b5cf6;
    --primary-light: #a78bfa;
    --primary-dark: #7c3aed;
    --primary-glow: rgba(139, 92, 246, 0.25);
    --bg-light: #ffffff;
    --bg-dark: #0f0f0f;
    --text-light: #1a1a1a;
    --text-dark: #fafafa;
    
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-full: 9999px;
    
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.16);
}

[data-theme="dark"] {
    --bg-primary: var(--bg-dark);
    --text-primary: var(--text-dark);
    --bg-secondary: #1a1a1a;
    --bg-tertiary: #262626;
    --border-color: #333333;
    --text-secondary: #999999;
    --surface: rgba(255, 255, 255, 0.05);
}

[data-theme="light"] {
    --bg-primary: var(--bg-light);
    --text-primary: var(--text-light);
    --bg-secondary: #ffffff;
    --bg-tertiary: #f8f8f8;
    --border-color: #e8e8e8;
    --text-secondary: #666666;
    --surface: rgba(0, 0, 0, 0.03);
}

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

html, body {
    height: 100%;
    overflow: hidden;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Inter', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    transition: background-color 0.5s ease, color 0.5s ease;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* App Loader */
.app-loader {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    transition: opacity 0.3s ease;
}

.app-loader.fade-out {
    opacity: 0;
    pointer-events: none;
}

.loader-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-lg);
}

.loader-circle {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary-color) 100%);
    box-shadow: 0 0 40px var(--primary-glow),
                0 0 80px rgba(139, 92, 246, 0.15);
    animation: loader-breathe 2s ease-in-out infinite;
}

.loader-text {
    font-size: 24px;
    font-weight: 300;
    letter-spacing: 2px;
    color: var(--text-primary);
    opacity: 0.8;
    animation: loader-fade 2s ease-in-out infinite;
}

@keyframes loader-breathe {
    0%, 100% {
        transform: scale(1);
        opacity: 0.9;
    }
    50% {
        transform: scale(1.2);
        opacity: 1;
    }
}

@keyframes loader-fade {
    0%, 100% {
        opacity: 0.6;
    }
    50% {
        opacity: 1;
    }
}

.app-container {
    width: 100vw;
    height: 100vh;
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
    background: var(--bg-primary);
}

/* Top Bar - Minimal Info */
.top-bar {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    padding: var(--spacing-md);
    z-index: 100;
    pointer-events: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.top-timer {
    pointer-events: auto;
}

.top-timer-value {
    font-size: 18px;
    font-weight: 500;
    color: var(--text-primary);
    font-variant-numeric: tabular-nums;
}

.top-streak {
    pointer-events: auto;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.14);
    background: rgba(0, 0, 0, 0.4);
    color: var(--text-secondary);
    font-size: 13px;
    cursor: default;
}

.top-streak-icon {
    font-size: 14px;
}

.top-streak-value {
    font-weight: 500;
    color: var(--text-primary);
}

[data-theme="light"] .top-streak {
    background: rgba(255, 255, 255, 0.8);
    border-color: rgba(0, 0, 0, 0.06);
}

.top-bar button {
    border: none;
    pointer-events: auto;
}

.streak-icon {
    font-size: 16px;
}

.streak-count {
    font-weight: 500;
}

/* Breathing Container - Hero (80% of screen) */
.breathing-container {
    flex: 1;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 1;
    padding: var(--spacing-xl) var(--spacing-md);
    min-height: 0;
}

.breathing-animation {
    position: relative;
    width: 400px;
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-xl);
}

.breathing-style {
    position: absolute;
    width: 100%;
    height: 100%;
    display: none;
    align-items: center;
    justify-content: center;
}

.breathing-style.active {
    display: flex;
}

/* Circle Style */
.circle-outer {
    width: 280px;
    height: 280px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary-color) 100%);
    position: absolute;
    animation: breathe-outer var(--breath-duration, 8s) ease-in-out infinite;
    box-shadow: 0 0 50px var(--primary-glow),
                0 0 100px rgba(139, 92, 246, 0.12);
}

.circle-inner {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.4), var(--primary-color));
    position: absolute;
    animation: breathe-inner var(--breath-duration, 8s) ease-in-out infinite;
    box-shadow: inset 0 0 30px rgba(0, 0, 0, 0.1);
}

@keyframes breathe-outer {
    0%, 100% {
        transform: scale(1);
        opacity: 0.9;
    }
    50% {
        transform: scale(1.4);
        opacity: 1;
    }
}

@keyframes breathe-inner {
    0%, 100% {
        transform: scale(1);
        opacity: 0.95;
    }
    50% {
        transform: scale(1.25);
        opacity: 1;
    }
}

/* Halo Style */
.halo-ring {
    width: 320px;
    height: 320px;
    border-radius: 50%;
    border: 4px solid var(--primary-color);
    position: absolute;
    animation: breathe-halo var(--breath-duration, 8s) ease-in-out infinite;
    box-shadow: 0 0 60px var(--primary-glow);
    background: radial-gradient(circle, transparent 40%, rgba(139, 92, 246, 0.08) 100%);
}

.halo-center {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: radial-gradient(circle at 30% 30%, var(--primary-light), var(--primary-color));
    position: absolute;
    animation: breathe-center var(--breath-duration, 8s) ease-in-out infinite;
    box-shadow: 0 0 40px var(--primary-glow);
}

@keyframes breathe-halo {
    0%, 100% {
        transform: scale(1);
        opacity: 0.85;
    }
    50% {
        transform: scale(1.45);
        opacity: 1;
    }
}

@keyframes breathe-center {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.3);
    }
}

/* Wave Style */
.wave-svg {
    width: 100%;
    height: 100%;
    color: var(--primary-color);
    filter: drop-shadow(0 0 20px var(--primary-glow));
}

.wave-circle {
    animation: breathe-wave var(--breath-duration, 8s) ease-in-out infinite;
    transform-origin: center;
    stroke: var(--primary-color);
}

.wave-circle:nth-child(2) {
    animation-delay: 0.3s;
}

.wave-circle:nth-child(3) {
    animation-delay: 0.6s;
}

@keyframes breathe-wave {
    0%, 100% {
        r: 60;
        opacity: 1;
    }
    50% {
        r: 100;
        opacity: 0.2;
    }
}

/* Bloom Style */
.bloom-petal {
    width: 120px;
    height: 120px;
    background: linear-gradient(135deg, var(--primary-light), var(--primary-color));
    border-radius: 50% 0 50% 0;
    position: absolute;
    opacity: 0.5;
    animation: breathe-bloom var(--breath-duration, 8s) ease-in-out infinite;
    box-shadow: 0 0 25px var(--primary-glow);
}

.bloom-petal:nth-child(1) { transform: rotate(0deg) translateY(-100px); animation-delay: 0s; }
.bloom-petal:nth-child(2) { transform: rotate(60deg) translateY(-100px); animation-delay: 0.15s; }
.bloom-petal:nth-child(3) { transform: rotate(120deg) translateY(-100px); animation-delay: 0.3s; }
.bloom-petal:nth-child(4) { transform: rotate(180deg) translateY(-100px); animation-delay: 0.45s; }
.bloom-petal:nth-child(5) { transform: rotate(240deg) translateY(-100px); animation-delay: 0.6s; }
.bloom-petal:nth-child(6) { transform: rotate(300deg) translateY(-100px); animation-delay: 0.75s; }

@keyframes breathe-bloom {
    0%, 100% {
        transform: rotate(var(--rotation, 0deg)) translateY(-100px) scale(1);
        opacity: 0.5;
    }
    50% {
        transform: rotate(var(--rotation, 0deg)) translateY(-140px) scale(1.35);
        opacity: 0.9;
    }
}

/* Breathing Cue */
.breathing-cue {
    font-size: 28px;
    font-weight: 300;
    letter-spacing: 3px;
    color: var(--text-primary);
    opacity: 0.6;
    transition: var(--transition);
    text-transform: uppercase;
}

/* Floating Bottom Bar - Minimal Primary Controls */
.controls-panel {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--spacing-lg) var(--spacing-md);
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-md);
    z-index: 50;
    background: linear-gradient(to top, var(--bg-secondary) 0%, rgba(255, 255, 255, 0) 100%);
    pointer-events: none;
    touch-action: none;
}

.zen-mode .controls-panel {
    opacity: 0;
    pointer-events: none;
}

.primary-controls {
    display: flex;
    gap: var(--spacing-sm);
    background: var(--bg-secondary);
    padding: var(--spacing-sm);
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
    pointer-events: auto;
    touch-action: manipulation;
    position: relative;
    z-index: 51;
}

.mode-btn {
    padding: 10px 24px;
    border: none;
    background: transparent;
    color: var(--text-primary);
    cursor: pointer;
    font-weight: 500;
    font-size: 14px;
    transition: var(--transition);
    font-family: inherit;
    text-transform: capitalize;
    border-radius: var(--radius-full);
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
    user-select: none;
    -webkit-user-select: none;
}

.mode-btn:hover {
    background: var(--surface);
    color: var(--primary-color);
}

.mode-btn.active {
    background: var(--primary-color);
    color: white;
    box-shadow: 0 2px 8px var(--primary-glow);
}

.settings-toggle {
    width: 44px;
    height: 44px;
    border: 1px solid var(--border-color);
    background: var(--bg-secondary);
    color: var(--text-primary);
    border-radius: var(--radius-full);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    transition: var(--transition);
    box-shadow: var(--shadow-md);
    pointer-events: auto;
    -webkit-tap-highlight-color: transparent;
    position: relative;
    z-index: 60;
    flex-shrink: 0;
    touch-action: manipulation;
    user-select: none;
    -webkit-user-select: none;
    -webkit-touch-callout: none;
}

.settings-toggle:hover {
    background: var(--surface);
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: rotate(90deg);
}

/* Settings Panel - Expandable */
.settings-panel {
    position: fixed;
    bottom: 80px;
    left: 50%;
    transform: translateX(-50%) translateY(100%);
    width: 90%;
    max-width: 400px;
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
    padding: var(--spacing-lg);
    z-index: 100;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
    max-height: calc(100vh - 200px);
    overflow-y: auto;
}

.settings-panel.open {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
    pointer-events: auto;
}

/* Backdrop for settings panel on mobile */
@media (max-width: 768px) {
    body.settings-open::before {
        content: '';
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0, 0, 0, 0.4);
        z-index: 99;
        backdrop-filter: blur(2px);
        pointer-events: auto;
    }
}

.settings-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.settings-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.settings-label {
    font-size: 12px;
    font-weight: 500;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.timer-options,
.style-selector,
.audio-selector {
    display: flex;
    gap: var(--spacing-xs);
    justify-content: center;
}

.mode-descriptions {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) 0;
}

.mode-desc-item {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.mode-desc-name {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-primary);
}

.mode-desc-text {
    font-size: 11px;
    color: var(--text-secondary);
    opacity: 0.8;
}

.audio-hint {
    font-size: 11px;
    color: var(--text-secondary);
    text-align: center;
    margin-top: var(--spacing-xs);
    opacity: 0.7;
}

.timer-btn,
.style-btn,
.audio-btn {
    padding: 8px 16px;
    border: 1px solid var(--border-color);
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border-radius: var(--radius-full);
    cursor: pointer;
    font-size: 13px;
    font-weight: 500;
    transition: var(--transition);
    font-family: inherit;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
    user-select: none;
    -webkit-user-select: none;
}

.style-btn {
    width: 36px;
    height: 36px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
}

.audio-btn {
    width: 36px;
    height: 36px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
}

.timer-btn:hover,
.style-btn:hover,
.audio-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    background: var(--surface);
}

.timer-btn.active,
.style-btn.active,
.audio-btn.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
    box-shadow: 0 2px 6px var(--primary-glow);
}

.settings-row {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
}

.control-btn {
    flex: 1;
    padding: var(--spacing-md);
    border: 1px solid var(--border-color);
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border-radius: var(--radius-md);
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    transition: var(--transition);
    font-family: inherit;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
    user-select: none;
    -webkit-user-select: none;
}

.control-btn span:first-child {
    font-size: 20px;
}

.control-label {
    font-size: 11px;
    font-weight: 500;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.control-btn:hover {
    border-color: var(--primary-color);
    background: var(--surface);
    color: var(--primary-color);
}

.control-btn.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
    box-shadow: 0 2px 8px var(--primary-glow);
}

.control-btn.active .control-label {
    color: white;
}

/* Session Complete Dialog */
.session-dialog {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    backdrop-filter: blur(20px);
    transition: var(--transition);
}

.session-dialog.hidden {
    opacity: 0;
    pointer-events: none;
}

.session-content {
    background: var(--bg-secondary);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-lg);
    max-width: 420px;
    width: 90%;
    border: 1px solid var(--border-color);
    box-sizing: border-box;
    overflow-x: hidden;
}

.celebration-icon {
    font-size: 48px;
    margin-bottom: var(--spacing-md);
    animation: celebrate 0.6s ease-out;
}

@keyframes celebrate {
    0% {
        transform: scale(0) rotate(0deg);
        opacity: 0;
    }
    50% {
        transform: scale(1.2) rotate(180deg);
    }
    100% {
        transform: scale(1) rotate(360deg);
        opacity: 1;
    }
}

.session-content h2 {
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
    font-weight: 300;
    font-size: 28px;
    letter-spacing: 0.5px;
}

.session-message {
    color: var(--text-secondary);
    font-size: 16px;
    margin-bottom: var(--spacing-lg);
}

/* Email Capture */
.email-capture {
    margin-top: var(--spacing-lg);
}

.email-prompt {
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: var(--spacing-md);
}

.email-form {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    width: 100%;
    box-sizing: border-box;
}

.email-input {
    flex: 1;
    padding: 10px 16px;
    border: 1.5px solid var(--border-color);
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border-radius: var(--radius-full);
    font-size: 14px;
    font-family: inherit;
    transition: var(--transition);
    touch-action: manipulation;
    appearance: none;
    -webkit-appearance: none;
}

.email-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.1);
}

.email-input.error {
    border-color: #ef4444;
    animation: shake 0.3s;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

.email-submit {
    padding: 10px 24px;
    border: none;
    background: var(--primary-color);
    color: white;
    border-radius: var(--radius-full);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
    user-select: none;
    -webkit-user-select: none;
}

.email-submit:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px var(--primary-glow);
}

.email-success {
    color: var(--primary-color);
    font-size: 14px;
    padding: var(--spacing-md);
}

.skip-email-btn {
    padding: var(--spacing-xs) var(--spacing-md);
    border: none;
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 13px;
    opacity: 0.7;
    transition: var(--transition);
    border-radius: var(--radius-full);
    font-family: inherit;
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
    user-select: none;
    -webkit-user-select: none;
}

.skip-email-btn:hover {
    opacity: 1;
    color: var(--text-primary);
}

/* Post-Email Options */
.post-email-options {
    margin-top: var(--spacing-lg);
}

.mood-section {
    margin-bottom: var(--spacing-lg);
}

.mood-prompt {
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: var(--spacing-md);
}

.mood-options {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    margin-bottom: var(--spacing-md);
    flex-wrap: wrap;
    max-width: 100%;
    box-sizing: border-box;
}

.mood-btn {
    width: 56px;
    height: 56px;
    border: 1.5px solid var(--border-color);
    background: var(--bg-tertiary);
    border-radius: var(--radius-full);
    cursor: pointer;
    font-size: 28px;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: inherit;
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
    user-select: none;
    -webkit-user-select: none;
}

.mood-btn:hover {
    border-color: var(--primary-color);
    transform: translateY(-2px) scale(1.05);
    background: var(--surface);
}

.finish-btn {
    padding: 12px 32px;
    border: none;
    background: var(--primary-color);
    color: white;
    border-radius: var(--radius-full);
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
    width: 100%;
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
    user-select: none;
    -webkit-user-select: none;
}

.share-btn {
    padding: 10px 24px;
    border: 1px solid var(--border-color);
    background: transparent;
    color: var(--text-secondary);
    border-radius: var(--radius-full);
    font-size: 14px;
    font-weight: 400;
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
    width: 100%;
    margin-top: var(--spacing-sm);
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
    user-select: none;
    -webkit-user-select: none;
}

.share-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    background: var(--surface);
}

.email-benefits {
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    text-align: left;
    padding: 0 var(--spacing-sm);
}

.benefit-item {
    font-size: 12px;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
    line-height: 1.5;
}

.install-prompt {
    position: fixed;
    bottom: var(--spacing-lg);
    left: 50%;
    transform: translateX(-50%);
    z-index: 2000;
    max-width: 90%;
    width: 400px;
}

.install-prompt-content {
    background: var(--bg-secondary);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
    text-align: center;
}

.install-prompt-content p {
    color: var(--text-primary);
    font-size: 14px;
    margin-bottom: var(--spacing-md);
}

.install-prompt-buttons {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
}

.install-btn,
.dismiss-btn {
    padding: 8px 20px;
    border-radius: var(--radius-full);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
    touch-action: manipulation;
}

.install-btn {
    background: var(--primary-color);
    color: white;
    border: none;
}

.install-btn:hover {
    background: var(--primary-dark);
}

.dismiss-btn {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

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

.finish-btn:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px var(--primary-glow);
}

/* Onboarding */
.onboarding {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.85);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    backdrop-filter: blur(20px);
    transition: var(--transition);
}

.onboarding.hidden {
    opacity: 0;
    pointer-events: none;
}

.onboarding-content {
    background: var(--bg-secondary);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-lg);
    max-width: 400px;
    width: 90%;
    border: 1px solid var(--border-color);
}

.onboarding-content h2 {
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
    font-weight: 300;
    font-size: 28px;
    letter-spacing: 0.5px;
}

.onboarding-content p {
    color: var(--text-secondary);
    font-size: 16px;
    margin-bottom: var(--spacing-sm);
    line-height: 1.6;
}

.onboarding-hint {
    color: var(--primary-color);
    font-size: 14px;
    font-weight: 500;
    margin-top: var(--spacing-md);
}

.onboarding-btn {
    margin-top: var(--spacing-lg);
    padding: 12px 40px;
    border: none;
    background: var(--primary-color);
    color: white;
    border-radius: var(--radius-full);
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
}

.onboarding-btn:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 16px var(--primary-glow);
}

/* Responsive */
@media (max-width: 768px) {
    .breathing-animation {
        width: 320px;
        height: 320px;
    }
    
    .circle-outer {
        width: 240px;
        height: 240px;
    }
    
    .circle-inner {
        width: 170px;
        height: 170px;
    }
    
    .breathing-cue {
        font-size: 24px;
    }
    
    .mode-btn {
        padding: 8px 20px;
        font-size: 13px;
        opacity: 1 !important;
        visibility: visible !important;
        background: transparent !important;
    }
    
    .mode-btn.active {
        background: var(--primary-color) !important;
        color: white !important;
    }
    
    .settings-panel {
        width: 95%;
        bottom: 100px;
        max-height: calc(100vh - 150px);
        padding: var(--spacing-md);
        position: fixed;
    }
    
    .settings-panel.open {
        z-index: 150;
    }
    
    .settings-toggle {
        width: 48px;
        height: 48px;
        font-size: 20px;
        background: var(--bg-secondary) !important;
        border: 1px solid var(--border-color) !important;
        color: var(--text-primary) !important;
        opacity: 1 !important;
        visibility: visible !important;
    }
    
    .controls-panel {
        padding: var(--spacing-md) var(--spacing-sm);
        position: fixed;
        z-index: 1000;
        pointer-events: none;
    }
    
    .primary-controls {
        z-index: 1001;
        pointer-events: auto;
        touch-action: manipulation;
        opacity: 1 !important;
        visibility: visible !important;
        display: flex !important;
    }
    
    .settings-toggle {
        z-index: 1002;
        pointer-events: auto;
        touch-action: manipulation;
    }
    
    /* Chrome-specific fix for touch events */
    @supports (-webkit-appearance: none) {
        .controls-panel * {
            -webkit-touch-callout: none;
        }
    }
    
    .timer-btn,
    .style-btn {
        padding: 10px 18px;
        font-size: 14px;
        min-width: 44px;
        min-height: 44px;
    }
    
    .control-btn {
        padding: var(--spacing-sm);
        min-height: 60px;
    }
    
    .control-btn span:first-child {
        font-size: 22px;
    }
    
    .control-label {
        font-size: 12px;
    }
    
    /* Session Complete Dialog - Mobile Improvements */
    .session-dialog {
        padding: var(--spacing-md);
        align-items: flex-end;
    }
    
    .session-content {
        width: 100%;
        max-width: 100%;
        max-height: 90vh;
        padding: var(--spacing-lg) var(--spacing-md);
        border-radius: var(--radius-lg) var(--radius-lg) 0 0;
        overflow-y: auto;
        overflow-x: hidden;
        -webkit-overflow-scrolling: touch;
        margin: 0;
        box-sizing: border-box;
    }
    
    .session-content h2 {
        font-size: 24px;
        margin-bottom: var(--spacing-xs);
    }
    
    .session-message {
        font-size: 15px;
        margin-bottom: var(--spacing-md);
    }
    
    .celebration-icon {
        font-size: 40px;
        margin-bottom: var(--spacing-sm);
    }
    
    /* Email form - stack vertically on mobile */
    .email-form {
        flex-direction: column;
        gap: var(--spacing-sm);
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
    }
    
    .email-input {
        width: 100%;
        padding: 12px 16px;
        font-size: 16px; /* Prevents zoom on iOS */
        min-height: 44px;
    }
    
    .email-submit {
        width: 100%;
        padding: 12px 24px;
        font-size: 16px;
        min-height: 44px;
        touch-action: manipulation;
    }
    
    .skip-email-btn {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 14px;
        min-height: 44px;
        touch-action: manipulation;
        width: 100%;
        display: block;
        margin-top: var(--spacing-sm);
        text-align: center;
    }
    
    /* Mood buttons - optimized for mobile alignment using grid */
    .mood-options {
        display: grid;
        grid-template-columns: repeat(5, 1fr);
        gap: var(--spacing-sm);
        justify-items: center;
        align-items: center;
        padding: 0;
        margin: 0 auto;
        max-width: 100%;
        box-sizing: border-box;
    }
    
    .mood-btn {
        width: 56px;
        height: 56px;
        font-size: 28px;
        touch-action: manipulation;
        -webkit-tap-highlight-color: transparent;
        flex-shrink: 0;
        box-sizing: border-box;
        margin: 0;
    }
    
    /* On larger mobile screens, all 5 in one row */
    @media (min-width: 380px) and (max-width: 768px) {
        .mood-options {
            grid-template-columns: repeat(5, 1fr);
            gap: var(--spacing-xs);
        }
        
        .mood-btn {
            width: 54px;
            height: 54px;
            font-size: 27px;
        }
    }
    
    /* On medium mobile screens, 3-2 grid layout */
    @media (min-width: 340px) and (max-width: 379px) {
        .mood-options {
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-sm);
            max-width: 240px;
        }
        
        .mood-btn:nth-child(4),
        .mood-btn:nth-child(5) {
            grid-column: span 1;
        }
        
        /* Center the last 2 buttons */
        .mood-btn:nth-child(4) {
            grid-column: 2;
        }
        
        .mood-btn {
            width: 56px;
            height: 56px;
            font-size: 28px;
        }
    }
    
    /* On smaller screens, 3-2 grid with smaller buttons */
    @media (max-width: 339px) {
        .mood-options {
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-xs);
            max-width: 220px;
        }
        
        .mood-btn:nth-child(4) {
            grid-column: 2;
        }
        
        .mood-btn {
            width: 52px;
            height: 52px;
            font-size: 26px;
        }
    }
    
    .mood-prompt {
        font-size: 15px;
        margin-bottom: var(--spacing-lg);
    }
    
    .finish-btn {
        padding: 14px 32px;
        font-size: 16px;
        min-height: 50px;
        touch-action: manipulation;
        margin-top: var(--spacing-sm);
        width: 100%;
        box-sizing: border-box;
        max-width: 100%;
    }
    
    .email-capture {
        margin-top: var(--spacing-md);
    }
    
    .email-prompt {
        font-size: 15px;
        margin-bottom: var(--spacing-lg);
        line-height: 1.5;
    }
    
    .post-email-options {
        margin-top: var(--spacing-md);
    }
    
    .mood-section {
        margin-bottom: var(--spacing-md);
    }
    
    .top-bar-status {
        width: 100%;
        justify-content: center;
    }
    
    .mode-descriptions {
        font-size: 12px;
    }
    
    .email-benefits {
        font-size: 11px;
    }
    
    .share-btn {
        font-size: 13px;
        padding: 8px 20px;
    }
    
    .top-bar {
        padding: var(--spacing-sm) var(--spacing-md);
    }
}

/* Mode-specific durations */
.app-container[data-mode="breathe"] {
    --breath-duration: 8s;
}

.app-container[data-mode="reset"] {
    --breath-duration: 6s;
}

.app-container[data-mode="meditate"] {
    --breath-duration: 12s;
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .breathing-animation * {
        animation: none !important;
    }
    
    .circle-outer,
    .circle-inner,
    .halo-ring,
    .halo-center,
    .wave-circle,
    .bloom-petal {
        animation: none !important;
        transform: scale(1.2) !important;
        opacity: 0.9 !important;
    }
    
    .loader-circle {
        animation: none !important;
    }
    
    .breathing-cue {
        transition: none !important;
    }
}