/* Global Style System & Tokens */
:root {
    /* Fonts */
    --font-sans: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-slow: 0.8s cubic-bezier(0.16, 1, 0.3, 1);

    /* Theme-specific variables (Dark by default) */
    --bg-app: radial-gradient(circle at 50% 50%, #0d1e21 0%, #060e10 100%);
    --bg-blob-1: rgba(46, 117, 102, 0.25);
    --bg-blob-2: rgba(30, 81, 105, 0.25);
    --bg-blob-3: rgba(115, 80, 140, 0.15);
    
    --card-bg: rgba(14, 28, 33, 0.6);
    --card-border: rgba(255, 255, 255, 0.06);
    --card-shadow: 0 12px 40px 0 rgba(0, 0, 0, 0.4);
    
    --text-primary: #f0f4f5;
    --text-secondary: #a3b8bc;
    --text-muted: #627b80;
    
    --primary: #45b69c;
    --primary-hover: #58cbb1;
    --primary-glow: rgba(69, 182, 156, 0.3);
    
    --secondary: #2b59c3;
    --secondary-hover: #3c6be0;
    
    --accent: #d88373;
    --accent-glow: rgba(216, 131, 115, 0.2);
    
    --input-bg: rgba(0, 0, 0, 0.2);
    --input-border: rgba(255, 255, 255, 0.08);
    --input-focus: #45b69c;
    
    --glass-blur: 16px;
    --border-radius-lg: 24px;
    --border-radius-md: 16px;
    --border-radius-sm: 10px;
}

[data-theme="light"] {
    --bg-app: radial-gradient(circle at 50% 50%, #f3f8f7 0%, #e2ecea 100%);
    --bg-blob-1: rgba(69, 182, 156, 0.15);
    --bg-blob-2: rgba(135, 206, 235, 0.2);
    --bg-blob-3: rgba(221, 160, 221, 0.15);
    
    --card-bg: rgba(255, 255, 255, 0.5);
    --card-border: rgba(255, 255, 255, 0.5);
    --card-shadow: 0 12px 40px 0 rgba(14, 28, 33, 0.06);
    
    --text-primary: #122326;
    --text-secondary: #4d666a;
    --text-muted: #829a9e;
    
    --primary: #2d8c76;
    --primary-hover: #3aa68d;
    --primary-glow: rgba(45, 140, 118, 0.25);
    
    --secondary: #3b62c4;
    --secondary-hover: #4d73d6;
    
    --accent: #c26150;
    --accent-glow: rgba(194, 97, 80, 0.2);
    
    --input-bg: rgba(255, 255, 255, 0.7);
    --input-border: rgba(14, 28, 33, 0.08);
    --input-focus: #2d8c76;
}

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

body {
    font-family: var(--font-sans);
    background: var(--bg-app);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
    transition: background var(--transition-slow), color var(--transition-normal);
    line-height: 1.5;
}

/* Background Blobs */
.glass-bg-blobs {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    transition: background-color var(--transition-slow);
}

.blob-1 {
    width: 50vw;
    height: 50vw;
    background-color: var(--bg-blob-1);
    top: -10vw;
    left: -10vw;
    animation: drift 25s infinite alternate ease-in-out;
}

.blob-2 {
    width: 45vw;
    height: 45vw;
    background-color: var(--bg-blob-2);
    bottom: -10vw;
    right: -5vw;
    animation: drift-reverse 30s infinite alternate ease-in-out;
}

.blob-3 {
    width: 30vw;
    height: 30vw;
    background-color: var(--bg-blob-3);
    top: 30%;
    left: 45%;
    animation: drift-slow 40s infinite alternate ease-in-out;
}

@keyframes drift {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(8vw, 5vw) scale(1.15); }
}

@keyframes drift-reverse {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(-5vw, -8vw) scale(1.1); }
}

@keyframes drift-slow {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(-3vw, 3vw) scale(1.2); }
}

/* Container & Layout */
.app-container {
    width: 100%;
    max-width: 1100px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Header */
.app-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2.5rem;
    padding-bottom: 1rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-icon {
    font-size: 1.8rem;
    color: var(--primary);
    animation: pulse-slow 3s infinite ease-in-out;
}

.logo h1 {
    font-size: 1.75rem;
    font-weight: 700;
    letter-spacing: -0.5px;
    background: linear-gradient(135deg, var(--text-primary) 30%, var(--primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Glassmorphism Cards */
.glass-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border-radius: var(--border-radius-lg);
    box-shadow: var(--card-shadow);
    padding: 2rem;
    transition: background var(--transition-slow), border var(--transition-slow), box-shadow var(--transition-normal), transform var(--transition-fast);
}

.glass-card:hover {
    box-shadow: var(--card-shadow), 0 0 30px rgba(69, 182, 156, 0.05);
}

/* Affirmation Card */
.affirmation-section {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
    margin-bottom: 2.5rem;
    position: relative;
    overflow: hidden;
}

.affirmation-content {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    flex: 1;
}

.quote-icon {
    font-size: 1.5rem;
    color: var(--primary);
    opacity: 0.4;
    margin-bottom: 0.25rem;
}

#affirmation-text {
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--text-primary);
    line-height: 1.6;
    animation: fadeIn var(--transition-normal);
}

#affirmation-author {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-style: italic;
}

/* Dashboard Grid */
.dashboard-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 2rem;
    margin-bottom: 2.5rem;
}

.card-header {
    margin-bottom: 2rem;
}

.card-header h2 {
    font-size: 1.4rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-primary);
}

.card-header h2 i {
    color: var(--primary);
}

.subtitle {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-top: 0.25rem;
}

/* Buttons */
.icon-btn {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    color: var(--text-primary);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 1.1rem;
    transition: all var(--transition-fast);
}

.icon-btn:hover {
    transform: scale(1.05);
    background: var(--primary);
    color: white;
    border-color: var(--primary);
    box-shadow: 0 0 15px var(--primary-glow);
}

.icon-btn .icon-sun {
    display: none;
}

[data-theme="light"] .icon-btn .icon-sun {
    display: block;
}

[data-theme="light"] .icon-btn .icon-moon {
    display: none;
}

.primary-btn {
    background: linear-gradient(135deg, var(--primary) 0%, #39a288 100%);
    border: none;
    color: white;
    padding: 0.85rem 1.75rem;
    font-size: 1rem;
    font-weight: 600;
    font-family: var(--font-sans);
    border-radius: var(--border-radius-md);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: all var(--transition-fast);
    box-shadow: 0 4px 15px var(--primary-glow);
}

.primary-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--primary-glow);
    filter: brightness(1.05);
}

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

.secondary-btn {
    background: transparent;
    border: 1px solid var(--primary);
    color: var(--primary);
    padding: 0.65rem 1.25rem;
    font-size: 0.9rem;
    font-weight: 600;
    font-family: var(--font-sans);
    border-radius: var(--border-radius-md);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: all var(--transition-fast);
}

.secondary-btn:hover {
    background: var(--primary-glow);
    transform: translateY(-1px);
}

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

.preset-btn {
    background: var(--input-bg);
    border: 1px solid var(--input-border);
    color: var(--text-secondary);
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
    font-weight: 500;
    font-family: var(--font-sans);
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

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

.preset-btn.active {
    background: var(--primary-glow);
    border-color: var(--primary);
    color: var(--primary);
}

/* Breathing Widget Styles */
.breathing-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 250px;
    margin-bottom: 2rem;
}

.breathing-circle-outer {
    width: 180px;
    height: 180px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(69, 182, 156, 0.1) 0%, rgba(69, 182, 156, 0.02) 100%);
    border: 1px solid rgba(69, 182, 156, 0.2);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: relative;
    transition: all 4s ease-in-out;
}

.breathing-circle-inner {
    position: absolute;
    width: 80%;
    height: 80%;
    border-radius: 50%;
    background: radial-gradient(circle, var(--primary) 0%, rgba(69, 182, 156, 0.6) 100%);
    z-index: 1;
    opacity: 0.15;
    transition: transform 4s ease-in-out, opacity 4s ease-in-out;
    box-shadow: 0 0 30px var(--primary-glow);
}

#breathing-instruction {
    font-size: 1.2rem;
    font-weight: 600;
    z-index: 2;
    color: var(--text-primary);
    letter-spacing: 0.5px;
    text-transform: uppercase;
    transition: all 0.3s ease;
}

#breathing-timer {
    font-size: 2.2rem;
    font-weight: 700;
    z-index: 2;
    color: var(--primary);
    margin-top: 0.25rem;
    transition: all 0.3s ease;
}

/* Dynamic Classes for Breathing States */
.breathing-circle-outer.inhale {
    box-shadow: 0 0 50px rgba(69, 182, 156, 0.3);
    border-color: rgba(69, 182, 156, 0.5);
}
.breathing-circle-outer.inhale .breathing-circle-inner {
    transform: scale(1.25);
    opacity: 0.45;
}

.breathing-circle-outer.hold {
    box-shadow: 0 0 60px rgba(216, 131, 115, 0.25);
    border-color: rgba(216, 131, 115, 0.4);
}
.breathing-circle-outer.hold .breathing-circle-inner {
    transform: scale(1.25);
    opacity: 0.55;
    background: radial-gradient(circle, var(--accent) 0%, rgba(216, 131, 115, 0.6) 100%);
    box-shadow: 0 0 35px var(--accent-glow);
}
.breathing-circle-outer.hold #breathing-timer {
    color: var(--accent);
}

.breathing-circle-outer.exhale {
    box-shadow: 0 0 20px rgba(69, 182, 156, 0.1);
    border-color: rgba(69, 182, 156, 0.2);
}
.breathing-circle-outer.exhale .breathing-circle-inner {
    transform: scale(0.75);
    opacity: 0.15;
}

.breathing-controls {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.25rem;
}

.breathing-presets {
    display: flex;
    gap: 0.5rem;
}

/* Journal Styles */
.journal-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    margin-bottom: 2.5rem;
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.input-group label {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.input-group input {
    background: var(--input-bg);
    border: 1px solid var(--input-border);
    border-radius: var(--border-radius-md);
    padding: 0.85rem 1.25rem;
    font-family: var(--font-sans);
    color: var(--text-primary);
    font-size: 0.95rem;
    width: 100%;
    outline: none;
    transition: all var(--transition-fast);
}

.input-group input::placeholder {
    color: var(--text-muted);
}

.input-group input:focus {
    border-color: var(--input-focus);
    background: var(--card-bg);
    box-shadow: 0 0 10px var(--primary-glow);
}

.submit-btn {
    width: 100%;
}

/* Journal Log & List */
.journal-log {
    border-top: 1px solid var(--card-border);
    padding-top: 2rem;
}

.journal-log h3 {
    font-size: 1.1rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1.25rem;
    color: var(--text-primary);
}

.journal-log h3 i {
    color: var(--primary);
}

.journal-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    max-height: 380px;
    overflow-y: auto;
    padding-right: 0.5rem;
}

/* Scrollbar styles */
.journal-list::-webkit-scrollbar {
    width: 6px;
}

.journal-list::-webkit-scrollbar-track {
    background: transparent;
}

.journal-list::-webkit-scrollbar-thumb {
    background: var(--card-border);
    border-radius: 10px;
}

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

.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 3rem 1rem;
    text-align: center;
    color: var(--text-muted);
    gap: 1rem;
}

.empty-icon {
    font-size: 2.2rem;
    opacity: 0.4;
    animation: float 4s infinite ease-in-out;
}

.empty-state p {
    font-size: 0.9rem;
    max-width: 280px;
    line-height: 1.5;
}

/* Reflection Cards */
.reflection-card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--card-border);
    border-radius: var(--border-radius-md);
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    position: relative;
    animation: slideIn var(--transition-normal);
}

[data-theme="light"] .reflection-card {
    background: rgba(0, 0, 0, 0.02);
}

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

.reflection-date {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--primary);
}

.delete-entry-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 0.9rem;
    padding: 0.25rem;
    border-radius: 4px;
    transition: all var(--transition-fast);
}

.delete-entry-btn:hover {
    color: var(--accent);
    transform: scale(1.1);
}

.reflection-items {
    list-style-type: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.reflection-items li {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.4;
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
}

.reflection-items li::before {
    content: "•";
    color: var(--primary);
    font-weight: bold;
    font-size: 1.1rem;
    line-height: 1;
    margin-top: -1px;
}

/* Footer */
.app-footer {
    text-align: center;
    margin-top: auto;
    padding: 2rem 0 1rem;
    color: var(--text-muted);
    font-size: 0.85rem;
    border-top: 1px solid var(--card-border);
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

@keyframes pulse-slow {
    0%, 100% { transform: scale(1); opacity: 0.8; }
    50% { transform: scale(1.1); opacity: 1; }
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

/* Responsive Styles */
@media (max-width: 820px) {
    .dashboard-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .app-header {
        margin-bottom: 1.5rem;
    }
    
    .affirmation-section {
        flex-direction: column;
        align-items: flex-start;
        gap: 1.25rem;
        padding: 1.5rem;
    }
    
    .affirmation-section button {
        align-self: flex-end;
    }
}

@media (max-width: 480px) {
    .app-container {
        padding: 1rem 1rem;
    }
    
    .logo h1 {
        font-size: 1.4rem;
    }
    
    .glass-card {
        padding: 1.25rem;
    }
    
    .breathing-container {
        min-height: 200px;
    }
    
    .breathing-circle-outer {
        width: 150px;
        height: 150px;
    }
}