/*
filename: main.css
date: March 16, 2025
programmer: James Tran
title: How Do Good? - Main Stylesheet
purpose: Provides styling for the How Do Good web application
*/

/* ┌──────────────────────────────────────┐
    GLOBAL VARIABLES
└──────────────────────────────────────┘ */
:root {
    /* Obsidian-inspired dark mode color palette */
    --bg-primary: #1e1e1e;
    --bg-secondary: #262626;
    --bg-tertiary: #2d2d2d;
    --text-primary: #e0e0e0;
    --text-secondary: #a0a0a0;
    --text-muted: #707070;
    --accent-primary: #7c9885;
    --accent-secondary: #8fa798;
    --accent-hover: #9fb5a8;
    --highlight: #b4a7d6;
    --subtle: #3a3a3a;
    --border-color: #3a3a3a;
    --success: #7c9885;
    --warning: #d4a574;
    --error: #d47c7c;

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --font-display: 'Playfair Display', serif;
    --font-size-xlarge: 3rem;
    --font-size-large: 2.5rem;
    --font-size-medium: 1.5rem;
    --font-size-small: 1rem;
    --font-size-tiny: 0.875rem;

    /* Animation timing */
    --timing-slow: 1.2s;
    --timing-medium: 0.8s;
    --timing-fast: 0.4s;
    --timing-instant: 0.2s;

    /* Spacing */
    --spacing-xlarge: 4rem;
    --spacing-large: 3rem;
    --spacing-medium: 1.5rem;
    --spacing-small: 0.75rem;
    --spacing-tiny: 0.375rem;

    /* Border radius */
    --radius-small: 4px;
    --radius-medium: 8px;
    --radius-large: 12px;
}

/* ┌──────────────────────────────────────┐
    RESET & BASE STYLES
└──────────────────────────────────────┘ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    height: 100%;
    width: 100%;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-primary);
    font-size: 16px;
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ┌──────────────────────────────────────┐
    LAYOUT
└──────────────────────────────────────┘ */
#app {
    height: 100%;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-medium);
    text-align: center;
}

.container {
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
}

/* ┌──────────────────────────────────────┐
    TYPOGRAPHY
└──────────────────────────────────────┘ */
h1 {
    font-size: var(--font-size-large);
    font-weight: 700;
    margin-bottom: var(--spacing-medium);
    color: var(--text-primary);
}

.kindness-act {
    font-size: var(--font-size-medium);
    color: var(--accent-primary);
    margin-top: var(--spacing-large);
    opacity: 0;
    transition: opacity var(--timing-medium) ease-in-out;
    line-height: 1.8;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.kindness-act.visible {
    opacity: 1;
}

/* ┌──────────────────────────────────────┐
    ANIMATIONS
└──────────────────────────────────────┘ */
.loading-dots {
    display: flex;
    justify-content: center;
    margin-top: var(--spacing-medium);
}

.dot {
    width: 10px;
    height: 10px;
    margin: 0 5px;
    border-radius: 50%;
    background-color: var(--highlight);
    animation: pulse var(--timing-slow) infinite ease-in-out;
}

.dot:nth-child(2) {
    animation-delay: 0.2s;
}

.dot:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes pulse {
    0%, 100% {
        opacity: 0.2;
        transform: scale(0.8);
    }
    50% {
        opacity: 1;
        transform: scale(1.2);
    }
}

/* ┌──────────────────────────────────────┐
    NAVIGATION
└──────────────────────────────────────┘ */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    padding: var(--spacing-small);
    background-color: var(--bg-secondary);
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 100;
}

nav ul {
    display: flex;
    list-style: none;
}

nav ul li {
    margin-left: var(--spacing-medium);
}

nav a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color var(--timing-fast) ease;
}

nav a:hover {
    color: var(--accent-primary);
}

.logo {
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--text-primary);
}

/* ┌──────────────────────────────────────┐
    STATISTICS
└──────────────────────────────────────┘ */
.statistics {
    margin-top: var(--spacing-small);
    margin-bottom: var(--spacing-medium);
    font-size: var(--font-size-tiny);
    color: var(--text-muted);
    opacity: 0;
    transition: opacity var(--timing-medium) ease-in-out;
}

/* ┌──────────────────────────────────────┐
    BUTTONS & ACTIONS
└──────────────────────────────────────┘ */
.action-buttons {
    display: flex;
    gap: var(--spacing-medium);
    justify-content: center;
    margin-top: var(--spacing-large);
    flex-wrap: wrap;
    transition: opacity var(--timing-fast) ease-in-out;
}

.action-button {
    padding: var(--spacing-small) var(--spacing-medium);
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-medium);
    font-family: var(--font-primary);
    font-size: var(--font-size-small);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--timing-fast) ease;
    min-width: 160px;
}

.action-button:hover:not(:disabled) {
    background-color: var(--accent-primary);
    border-color: var(--accent-primary);
    color: var(--bg-primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(124, 152, 133, 0.3);
}

.action-button:active:not(:disabled) {
    transform: translateY(0);
}

.action-button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.share-button {
    background-color: var(--bg-tertiary);
}

.refresh-button {
    background-color: var(--accent-primary);
    color: var(--bg-primary);
    border-color: var(--accent-primary);
}

.refresh-button:hover:not(:disabled) {
    background-color: var(--accent-hover);
    border-color: var(--accent-hover);
}

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

/* ┌──────────────────────────────────────┐
    FOOTER
└──────────────────────────────────────┘ */
.footer {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: var(--spacing-small);
    text-align: center;
    font-size: 0.9rem;
    background-color: var(--bg-secondary);
    opacity: 0.8;
    transition: opacity var(--timing-fast) ease;
    z-index: 100;
}

.footer:hover {
    opacity: 1;
}

.coffee-link {
    color: var(--text-secondary);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: 2rem;
    transition: all var(--timing-fast) ease;
    border: 1px solid var(--subtle);
}

.coffee-link:hover {
    background-color: rgba(189, 147, 249, 0.1);
    color: var(--highlight);
    border-color: var(--highlight);
    transform: translateY(-2px);
}

.coffee-icon {
    font-size: 1.1rem;
}

/* Add to your responsive styles section */
@media (max-width: 768px) {
    .footer {
        padding: var(--spacing-small) 0;
    }
    
    .coffee-link {
        padding: 0.4rem 0.8rem;
        font-size: 0.85rem;
    }
}

/* ┌──────────────────────────────────────┐
    FOCUS STYLES (Accessibility)
└──────────────────────────────────────┘ */
*:focus-visible {
    outline: 2px solid var(--accent-primary);
    outline-offset: 2px;
}

a:focus-visible,
button:focus-visible {
    outline: 2px solid var(--accent-primary);
    outline-offset: 4px;
}

/* ┌──────────────────────────────────────┐
    RESPONSIVE STYLES
└──────────────────────────────────────┘ */

/* Tablet and below */
@media (max-width: 768px) {
    :root {
        --font-size-xlarge: 2.5rem;
        --font-size-large: 2rem;
        --font-size-medium: 1.2rem;
        --spacing-large: 2rem;
        --spacing-medium: 1rem;
    }

    #app {
        padding: var(--spacing-small);
    }

    .container {
        padding: 0 var(--spacing-small);
    }

    nav {
        padding: var(--spacing-small);
        flex-direction: column;
        gap: var(--spacing-small);
    }

    nav ul {
        margin: 0;
    }

    nav ul li {
        margin-left: var(--spacing-small);
    }

    .kindness-act {
        font-size: 1.1rem;
        line-height: 1.6;
        padding: 0 var(--spacing-small);
    }

    .action-buttons {
        flex-direction: column;
        gap: var(--spacing-small);
        width: 100%;
        max-width: 300px;
        margin-left: auto;
        margin-right: auto;
    }

    .action-button {
        width: 100%;
    }

    .footer {
        position: relative;
        margin-top: var(--spacing-large);
    }
}

/* Mobile */
@media (max-width: 480px) {
    :root {
        --font-size-xlarge: 2rem;
        --font-size-large: 1.75rem;
        --font-size-medium: 1.1rem;
    }

    h1 {
        font-size: var(--font-size-large);
    }

    .kindness-act {
        font-size: 1rem;
    }

    nav {
        padding: var(--spacing-tiny);
    }

    .logo {
        font-size: 1rem;
    }

    nav ul li {
        margin-left: var(--spacing-tiny);
    }

    nav a {
        font-size: 0.9rem;
    }
}

/* Reduce motion for accessibility */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}