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

/* Tech Theme (Default) */
.theme-tech {
    --primary: #e46626;
    --primary-alt: #ffab00;
    --secondary: #c40554;
    --secondary-alt: #870382;
    --background: #363232;
    --surface: #2a2727;
    --border: #e46626;
    --text: #ffffff;
    --text-alt: #cccccc;
    --surface-alt: #1f1d1d;
    --gradient-primary: linear-gradient(45deg, var(--background) 0%, var(--primary) 100%);
    --gradient-secondary: linear-gradient(45deg, var(--primary) 0%, var(--primary-alt) 100%);
    --gradient-header: linear-gradient(45deg, var(--background) 0%, var(--primary) 40%, var(--primary-alt) 60%, var(--secondary) 80%, var(--secondary-alt) 100%);
    --reward-gradient: linear-gradient(45deg, var(--secondary) 0%, var(--secondary-alt) 100%);
    --button-text: #ffffff;
    --button-bg: var(--primary);
    --button-border: var(--primary);
    --button-hover-bg: var(--gradient-secondary);
    --button-hover-border: var(--primary-alt);
    --shadow-color: rgba(228, 102, 38, 0.2);
    --box-text: var(--text);
    --box-bg: var(--surface-alt);
    --box-border: var(--primary);
    --input-border: #444444;
    --input-bg: #1a1818;
    --input-text: var(--text);
    --reward-button-bg: var(--secondary);
    --reward-button-border: var(--secondary);
    --reward-button-hover: var(--secondary-alt);
    --box-highlight-text: #ffffff;
    --box-winner-text: #ffffff;
}

/* Light Theme */
.theme-light {
    --primary: #1976d2;
    --primary-alt: #2196f3;
    --secondary: #c2185b;
    --secondary-alt: #e91e63;
    --background: #f8f9fa;
    --surface: #ffffff;
    --border: #dee2e6;
    --text: #212529;
    --text-alt: #495057;
    --surface-alt: #e9ecef;
    --gradient-primary: linear-gradient(45deg, var(--primary) 0%, var(--primary-alt) 100%);
    --gradient-secondary: linear-gradient(45deg, var(--secondary) 0%, var(--secondary-alt) 100%);
    --gradient-header: linear-gradient(45deg, var(--primary) 0%, var(--primary-alt) 50%, var(--secondary) 100%);
    --button-text: #ffffff;
    --button-bg: var(--primary);
    --button-border: var(--primary);
    --button-hover-bg: var(--primary-alt);
    --button-hover-border: var(--primary-alt);
    --shadow-color: rgba(0, 0, 0, 0.1);
    --box-text: var(--text);
    --box-bg: #f8f9fa;
    --box-border: #dee2e6;
    --box-highlight-text: #ffffff;
    --box-winner-text: #ffffff;
    --reward-button-bg: var(--secondary);
    --reward-button-border: var(--secondary);
    --reward-button-hover: var(--secondary-alt);
    --input-border: #ced4da;
    --input-bg: #ffffff;
    --input-text: var(--text);
}

/* Dark Theme */
.theme-dark {
    --primary: #7c4dff;
    --primary-alt: #b388ff;
    --secondary: #00e5ff;
    --secondary-alt: #18ffff;
    --background: #121212;
    --surface: #1e1e1e;
    --border: #333333;
    --text: #ffffff;
    --text-alt: #bdbdbd;
    --surface-alt: #2d2d2d;
    --gradient-primary: linear-gradient(45deg, var(--primary) 0%, var(--primary-alt) 100%);
    --gradient-secondary: linear-gradient(45deg, var(--secondary) 0%, var(--secondary-alt) 100%);
    --gradient-header: linear-gradient(45deg, var(--primary) 0%, var(--primary-alt) 50%, var(--secondary) 100%);
    --button-text: #ffffff;
    --button-bg: var(--primary);
    --button-border: var(--primary);
    --button-hover-bg: var(--primary-alt);
    --button-hover-border: var(--primary-alt);
    --shadow-color: rgba(124, 77, 255, 0.2);
    --box-text: var(--text);
    --box-bg: #2d2d2d;
    --box-border: var(--primary);
    --box-highlight-text: #ffffff;
    --box-winner-text: #ffffff;
    --reward-button-bg: var(--secondary);
    --reward-button-border: var(--secondary);
    --reward-button-hover: var(--secondary-alt);
    --input-border: #444444;
    --input-bg: #1e1e1e;
    --input-text: var(--text);
}

/* Forest Theme */
.theme-forest {
    --primary: #2e7d32;
    --primary-alt: #388e3c;
    --secondary: #795548;
    --secondary-alt: #8d6e63;
    --background: #f1f8e9;
    --surface: #ffffff;
    --border: #81c784;
    --text: #1b5e20;
    --text-alt: #33691e;
    --surface-alt: rgba(46, 125, 50, 0.1);
    --gradient-primary: linear-gradient(45deg, var(--primary) 0%, var(--primary-alt) 100%);
    --gradient-secondary: linear-gradient(45deg, var(--secondary) 0%, var(--secondary-alt) 100%);
    --gradient-header: linear-gradient(45deg, var(--primary) 0%, var(--primary-alt) 50%, var(--secondary) 100%);
    --button-text: #ffffff;
    --button-bg: var(--primary);
    --button-border: var(--primary);
    --button-hover-bg: var(--primary-alt);
    --button-hover-border: var(--primary-alt);
    --shadow-color: rgba(56, 142, 60, 0.2);
    --box-text: var(--text);
    --box-bg: #ffffff;
    --box-border: var(--primary);
    --box-highlight-text: #ffffff;
    --box-winner-text: #ffffff;
    --reward-button-bg: var(--secondary);
    --reward-button-border: var(--secondary);
    --reward-button-hover: var(--secondary-alt);
    --input-border: #a5d6a7;
    --input-bg: #ffffff;
    --input-text: var(--text);
}

/* Apply default theme */
:root {
    --primary: var(--primary);
    --primary-alt: var(--primary-alt);
    --secondary: var(--secondary);
    --secondary-alt: var(--secondary-alt);
    --background: var(--background);
    --surface: var(--surface);
    --border: var(--border);
    --text: var(--text);
    --text-alt: var(--text-alt);
    --gradient-primary: var(--gradient-primary);
    --gradient-secondary: var(--gradient-secondary);
    --gradient-header: var(--gradient-header);
    --button-hover: var(--button-hover);
    --shadow-color: var(--shadow-color);
}

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

body {
    font-family: 'Open Sans', 'Segoe UI', Arial, sans-serif;
    line-height: 1.6;
    background-color: var(--background);
    color: var(--text);
    transition: background-color 0.3s ease, color 0.3s ease;
}

h1, h2, h3 {
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 800;
    text-align: center;
    color: var(--text);
    margin-bottom: 2rem;
}

h1 {
    background: var(--gradient-header);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    padding: 1rem;
}

/* Theme Selector Styles */
.theme-select {
    padding: 0.5rem;
    border-radius: 4px;
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--text);
    font-family: inherit;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.theme-select:hover {
    border-color: var(--primary);
}

.theme-select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 2px var(--shadow-color);
}

.theme-select option {
    background: var(--background);
    color: var(--text);
}

.page-container {
    display: flex;
    min-height: 100vh;
    padding: 1rem;
    gap: 2rem;
    max-width: 100%;
    overflow-x: hidden;
}

.main-panel {
    flex: 1 1 auto;
    padding: 1rem;
    min-width: 0; /* Allow panel to shrink below content size */
}

.side-panel {
    flex: 0 0 300px; /* Fixed width, no growing or shrinking */
    background: var(--surface);
    padding: 1.5rem;
    border-radius: 8px;
    border: 1px solid var(--border);
    box-shadow: 0 4px 20px var(--shadow-color);
    height: calc(100vh - 2rem);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transition: background 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.settings-group {
    margin: 1rem 0;
    border: 1px solid var(--border);
    border-radius: 4px;
    background: var(--surface);
    transition: background 0.3s ease, border-color 0.3s ease;
}

.collapsible-header {
    width: 100%;
    padding: 0.75rem 1rem;
    background: var(--gradient-primary);
    border: none;
    border-radius: 4px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text);
    transition: all 0.3s ease;
}

.collapsible-header:hover {
    background: var(--gradient-secondary);
}

.collapsible-header .arrow {
    transition: transform 0.3s;
}

.collapsible-header:not(.active) .arrow {
    transform: rotate(-90deg);
}

.collapsible-content {
    display: none;
    padding: 1rem;
    border-top: 1px solid var(--border);
    background: var(--surface);
    color: var(--text);
}

.setting-item {
    margin: 1rem 0;
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    color: var(--text);
}

.setting-item label {
    color: var(--text);
}

.setting-item span {
    color: var(--text-alt);
}

.checkbox-group {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.checkbox-section {
    border: 1px solid var(--border);
    padding: 0.5rem;
    border-radius: 4px;
    background: var(--surface-alt);
}

.checkbox-section h4 {
    margin: 0 0 0.5rem 0;
    font-size: 0.9rem;
    color: var(--text);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.checkbox-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-left: 0.5rem;
    color: var(--text);
}

.mode-switch {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.mode-button {
    padding: 0.5rem 1.5rem;
    text-decoration: none;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--inde-orange);
    border: 2px solid var(--inde-orange);
    border-radius: 4px;
    transition: all 0.3s ease;
}

.mode-button:hover {
    background-color: var(--inde-orange);
    color: white;
}

.mode-button.active {
    background: linear-gradient(45deg, var(--inde-orange) 0%, var(--inde-yellow) 100%);
    border: none;
    color: white;
}

button {
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-family: 'Open Sans', 'Segoe UI', Arial, sans-serif;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border: 2px solid var(--button-border);
    border-radius: 4px;
    background-color: var(--button-bg);
    color: var(--button-text);
    cursor: pointer;
    transition: all 0.3s ease;
}

button:hover {
    background: var(--button-hover-bg);
    border-color: var(--button-hover-border);
}

button:disabled {
    background-color: var(--surface-alt);
    border-color: var(--text-alt);
    color: var(--text-alt);
    cursor: not-allowed;
}

.primary-button {
    font-size: 1.2rem;
    padding: 1rem 2rem;
    margin: 1rem 0;
    background: var(--gradient-secondary);
    border: none;
    color: var(--button-text);
}

.primary-button:hover {
    background: var(--gradient-primary);
}

.reward-button {
    background: var(--reward-button-bg);
    border-color: var(--reward-button-border);
}

.reward-button:hover {
    background: var(--reward-button-hover);
    border-color: var(--reward-button-hover);
}

.selection-container {
    text-align: center;
    padding: 2rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    box-shadow: 0 4px 20px var(--shadow-color);
    min-height: 70vh;
    display: flex;
    flex-direction: column;
    align-items: center;
}

textarea {
    width: 100%;
    flex: 1;
    padding: 0.75rem;
    font-size: 1rem;
    background: var(--input-bg);
    border: 1px solid var(--input-border);
    border-radius: 4px;
    color: var(--input-text);
    resize: none;
    margin-top: 0.5rem;
}

textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 2px var(--shadow-color);
}

.winner-popup {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0);
    background: linear-gradient(45deg, var(--inde-charcoal) 0%, rgba(54, 50, 50, 0.98) 100%);
    padding: 3rem 4rem;
    border-radius: 1rem;
    border: 2px solid var(--inde-orange);
    box-shadow: 0 8px 32px rgba(228, 102, 38, 0.3);
    text-align: center;
    z-index: 9999;
    opacity: 0;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    min-width: min(400px, 90vw);
    position: relative;
}

.winner-popup.show {
    transform: translate(-50%, -50%) scale(1);
    opacity: 1;
}

.winner-popup h2 {
    font-size: 2.5rem;
    color: var(--inde-orange);
    margin: 0 0 1rem 0;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.winner-popup .close-button {
    position: absolute;
    top: 10px;
    right: 10px;
    background: transparent;
    border: none;
    color: var(--text-alt);
    font-size: 1.2rem;
    padding: 5px;
    cursor: pointer;
    opacity: 0.7;
    transition: opacity 0.3s ease;
}

.winner-popup .close-button:hover {
    opacity: 1;
}

.winner-popup .winner-name {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: #fff;
    margin: 1rem 0;
    padding: 1rem 2rem;
    background: linear-gradient(45deg, var(--inde-orange) 0%, var(--inde-yellow) 100%);
    border-radius: 0.5rem;
}

.winner-popup.reward .winner-name {
    background: linear-gradient(45deg, var(--inde-magenta) 0%, var(--inde-purple) 100%);
}

.input-section, .settings-section {
    display: flex;
    flex-direction: column;
    flex: 1;
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--inde-orange);
    min-height: 0; /* Allow container to shrink */
    overflow: hidden; /* Prevent overflow */
}

.names-input, .rewards-input {
    display: flex;
    flex-direction: column;
    flex: 1;
    min-height: 0; /* Allow container to shrink */
    margin-bottom: 0.5rem;
}

.input-container {
    display: flex;
    flex-direction: column;
    flex: 1;
    gap: 1rem;
    min-height: 0; /* Allow container to shrink */
    overflow: hidden; /* Prevent overflow */
}

/* Set textarea to fill available space */
textarea {
    flex: 1 1 auto;
    min-height: 100px; /* Minimum height */
    height: 100%; /* Take full height */
}

/* Wheel specific styles */
.wheel-section {
    position: relative;
    width: 100%;
    max-width: 600px;
    aspect-ratio: 1;
    margin: 2rem 0;
    border: 2px solid var(--primary);
    border-radius: 50%;
    background: var(--surface);
    box-shadow: 0 4px 20px var(--shadow-color);
    transition: border-color 0.3s ease, background 0.3s ease, box-shadow 0.3s ease;
}

#wheelCanvas {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    transition: filter 0.3s ease;
}

.wheel-selector {
    position: absolute;
    right: -30px;
    top: 50%;
    transform: translateY(-50%) scaleX(-1);
    width: 0;
    height: 0;
    border-top: 20px solid transparent;
    border-bottom: 20px solid transparent;
    border-left: 30px solid var(--primary);
    filter: drop-shadow(0 2px 4px var(--shadow-color));
    transition: border-color 0.3s ease, filter 0.3s ease;
}

.input-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.input-header h3 {
    margin-bottom: 0;
}

.shuffle-button {
    padding: 0.25rem 0.75rem;
    font-size: 0.9rem;
    border: 1px solid var(--inde-orange);
    background: none;
    color: var(--inde-orange);
}

.shuffle-button:hover {
    background: var(--inde-orange);
    color: white;
}

/* Selection grid layout */
.selection-area {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 1rem;
    width: 100%;
    min-height: 200px;
    margin: 2rem auto 0 auto;
    padding: 0 1rem;
}

.reward-area {
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
}

/* Additional styles for cards and buttons */
.selection-buttons {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
    align-items: stretch;
}

.selection-buttons button {
    flex: 0 1 auto;
    min-height: 3.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.selected-winner {
    text-align: center;
    margin-bottom: 2rem;
    padding: 1rem;
    background: var(--surface-alt);
    border: 2px solid var(--primary);
    border-radius: 8px;
}

.selected-winner h3 {
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-alt);
}

.selected-winner .winner-name {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.name-box {
    padding: 1rem;
    background: var(--box-bg);
    border: 2px solid var(--box-border);
    border-radius: 8px;
    text-align: center;
    transition: all 0.3s ease;
    color: var(--box-text);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.name-box.highlight {
    background: var(--primary-alt);
    color: var(--box-highlight-text);
    transform: scale(1.05);
    border-color: var(--primary);
    box-shadow: 
        0 0 15px var(--primary-alt),
        0 0 30px var(--primary);
    animation: highlight-pulse 0.5s infinite alternate;
}

@keyframes highlight-pulse {
    from {
        box-shadow: 
            0 0 15px var(--primary-alt),
            0 0 30px var(--primary);
    }
    to {
        box-shadow: 
            0 0 25px var(--primary-alt),
            0 0 50px var(--primary);
    }
}

.name-box.winner {
    background: linear-gradient(45deg, var(--primary) 0%, var(--primary-alt) 100%);
    color: var(--box-winner-text);
    transform: scale(1.1);
    border-color: var(--primary-alt);
    animation: winner-pulse 1s infinite;
    box-shadow: 
        0 0 20px var(--primary-alt),
        0 0 40px var(--primary);
}

.reward-area .name-box {
    background: var(--box-bg);
    border-color: var(--secondary);
}

.reward-area .name-box.highlight {
    background: var(--secondary-alt);
    color: var(--box-highlight-text);
    border-color: var(--secondary);
    box-shadow: 
        0 0 15px var(--secondary-alt),
        0 0 30px var(--secondary);
    animation: reward-highlight-pulse 0.5s infinite alternate;
}

@keyframes reward-highlight-pulse {
    from {
        box-shadow: 
            0 0 15px var(--secondary-alt),
            0 0 30px var(--secondary);
    }
    to {
        box-shadow: 
            0 0 25px var(--secondary-alt),
            0 0 50px var(--secondary);
    }
}

.reward-area .name-box.winner {
    background: linear-gradient(45deg, var(--secondary) 0%, var(--secondary-alt) 100%);
    color: var(--box-winner-text);
    border-color: var(--secondary-alt);
    box-shadow: 
        0 0 20px var(--secondary-alt),
        0 0 40px var(--secondary);
}

/* Modal Styles */
.winner-popup {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0);
    background: var(--surface);
    padding: 3rem 4rem;
    border-radius: 1rem;
    border: 2px solid var(--primary);
    box-shadow: 0 8px 32px var(--shadow-color);
    text-align: center;
    z-index: 9999;
    opacity: 0;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    min-width: min(400px, 90vw);
    pointer-events: auto;
}

.winner-popup .close-button {
    position: absolute;
    top: 10px;
    right: 10px;
    background: transparent;
    border: none;
    color: var(--text-alt);
    font-size: 1.2rem;
    padding: 5px;
    cursor: pointer;
    opacity: 0.7;
    transition: opacity 0.3s ease;
}

.winner-popup .close-button:hover {
    opacity: 1;
}

.winner-popup.show {
    transform: translate(-50%, -50%) scale(1);
    opacity: 1;
}

.winner-popup h2 {
    font-size: 2.5rem;
    color: var(--primary);
    margin: 0 0 1rem 0;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.winner-popup .winner-name {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 800;
    color: var(--text);
    margin: 1rem 0;
    padding: 1rem 2rem;
    background: var(--gradient-primary);
    border-radius: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.winner-popup.reward {
    border-color: var(--secondary);
}

.winner-popup.reward h2 {
    color: var(--secondary);
}

.winner-popup.reward .winner-name {
    background: var(--gradient-secondary);
}

/* Mobile and Touch Device Optimizations */
@media screen and (max-width: 768px) {
    .page-container {
        flex-direction: column;
        padding: 0.5rem;
        gap: 1rem;
        height: auto;
        min-height: 100vh;
    }

    .side-panel {
        flex: none;
        width: 100%;
        height: auto;
        max-height: none;
        overflow-y: visible;
        position: relative;
    }

    .input-section {
        min-height: 300px;
    }

    .input-container {
        display: flex;
        flex-direction: column;
        gap: 1rem;
    }

    .names-input,
    .rewards-input {
        min-height: 200px;
    }

    textarea {
        min-height: 150px;
    }

    .selection-container {
        padding: 1rem;
        min-height: 50vh;
    }

    .selection-buttons {
        flex-direction: column;
        width: 100%;
    }

    .selection-buttons button {
        width: 100%;
        padding: 1rem;
        font-size: 1rem;
    }

    .selection-area {
        grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
        gap: 0.5rem;
        padding: 0 0.5rem;
    }

    .name-box {
        padding: 0.75rem;
        font-size: 0.9rem;
    }

    textarea {
        min-height: 80px;
        font-size: 16px; /* Prevent zoom on iOS */
    }

    h1 {
        font-size: 1.5rem;
        padding: 0.5rem;
    }

    .mode-switch {
        flex-wrap: wrap;
        gap: 0.5rem;
    }

    .mode-button {
        flex: 1;
        min-width: 120px;
        text-align: center;
    }

    .wheel-section {
        max-width: 100%;
        margin: 1rem 0;
    }
}

/* Touch Device Specific Optimizations */
@media (hover: none) {
    /* Improve touch targets */
    button, 
    .collapsible-header,
    .mode-button {
        min-height: 44px;
        padding: 12px 20px;
    }

    /* Reduce animations on mobile */
    .name-box.highlight {
        animation: none;
        transform: scale(1.02);
    }

    .name-box.winner {
        animation: none;
        transform: scale(1.05);
    }

    /* Optimize scrolling */
    .side-panel,
    .selection-container {
        -webkit-overflow-scrolling: touch;
    }

    /* Improve tap targets */
    .checkbox-item {
        padding: 8px 0;
    }

    input[type="checkbox"],
    input[type="range"] {
        transform: scale(1.2);
        margin: 0 8px;
    }

    .setting-item {
        margin: 1.5rem 0;
    }
}

/* Add a class for touch devices */
body.touch-device * {
    cursor: default !important;
}