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

:root {
    --primary-color: #6c5ce7;
    --primary-hover: #5b4cdb;
    --secondary-color: #00cec9;
    --danger-color: #ff7675;
    --warning-color: #fdcb6e;
    --success-color: #55efc4;
    --dark-bg: #1a1a2e;
    --darker-bg: #16162a;
    --card-bg: #25254a;
    --text-primary: #ffffff;
    --text-secondary: #a0a0c0;
    --border-color: #3d3d6b;
    --health-color: #e74c3c;
    --health-bg: #4a1a1a;
    --enemy-health: #e74c3c;
}

html {
    font-size: 16px;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, var(--dark-bg) 0%, var(--darker-bg) 100%);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
}

.app-container {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem;
}

/* Header Styles */
header {
    text-align: center;
    padding: 1.5rem 0;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 1.5rem;
}

header h1 {
    font-size: 2rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

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

/* Main Content */
main {
    flex: 1;
    display: flex;
    flex-direction: column;
}

/* Screen Management */
.screen {
    display: none;
    animation: fadeIn 0.3s ease;
}

.screen.active {
    display: block;
}

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

/* Card Styles */
.card {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 2rem;
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

/* Start Screen */
#start-screen .card {
    max-width: 500px;
    margin: 2rem auto;
    text-align: center;
}

#start-screen h2 {
    margin-bottom: 1rem;
    color: var(--secondary-color);
}

#start-screen p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.character-setup {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 1.5rem;
    text-align: left;
}

.character-setup label {
    font-weight: 600;
    color: var(--text-secondary);
}

.character-setup input,
.character-setup select {
    padding: 0.75rem 1rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    background: var(--darker-bg);
    color: var(--text-primary);
    font-size: 1rem;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.character-setup input:focus,
.character-setup select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(108, 92, 231, 0.2);
}

/* Button Styles */
.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(108, 92, 231, 0.4);
}

.btn-secondary {
    background: var(--card-bg);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--border-color);
}

/* Stats Panel */
.stats-panel {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    padding: 1rem;
    background: var(--card-bg);
    border-radius: 12px;
    margin-bottom: 1rem;
    border: 1px solid var(--border-color);
}

.stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
    flex: 1;
    min-width: 80px;
}

.stat-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.stat-value {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--secondary-color);
}

/* Health Bar */
.health-bar {
    width: 100%;
    max-width: 120px;
    height: 8px;
    background: var(--health-bg);
    border-radius: 4px;
    overflow: hidden;
}

.health-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--danger-color), var(--warning-color));
    transition: width 0.3s ease;
    border-radius: 4px;
}

/* Game Area */
.game-area {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.story-container {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 1.5rem;
    border: 1px solid var(--border-color);
    min-height: 200px;
    max-height: 400px;
    overflow-y: auto;
}

.story-container p {
    margin-bottom: 1rem;
    line-height: 1.8;
}

.story-container p:last-child {
    margin-bottom: 0;
}

.story-container .event-title {
    color: var(--secondary-color);
    font-weight: 700;
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.story-container .loot-message {
    color: var(--warning-color);
}

.story-container .damage-message {
    color: var(--danger-color);
}

.story-container .heal-message {
    color: var(--success-color);
}

/* Choices Container */
.choices-container {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.choice-btn {
    padding: 1rem 1.5rem;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: left;
}

.choice-btn:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
    transform: translateX(5px);
}

.choice-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

/* Inventory Panel */
.inventory-panel {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 1rem;
    margin-top: 1rem;
    border: 1px solid var(--border-color);
}

.inventory-panel h3 {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.inventory-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.inventory-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.75rem;
    background: var(--darker-bg);
    border-radius: 6px;
    font-size: 0.875rem;
    border: 1px solid var(--border-color);
    cursor: pointer;
    transition: all 0.2s;
}

.inventory-item:hover {
    border-color: var(--primary-color);
}

.inventory-item.weapon {
    border-left: 3px solid var(--danger-color);
}

.inventory-item.armor {
    border-left: 3px solid var(--primary-color);
}

.inventory-item.consumable {
    border-left: 3px solid var(--success-color);
}

.inventory-item.key {
    border-left: 3px solid var(--warning-color);
}

.item-count {
    background: var(--border-color);
    padding: 0.125rem 0.375rem;
    border-radius: 4px;
    font-size: 0.75rem;
}

.empty-inventory {
    color: var(--text-secondary);
    font-style: italic;
}

/* Combat Panel */
.combat-panel {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--card-bg);
    border-radius: 12px;
    padding: 1.5rem;
    border: 2px solid var(--danger-color);
    box-shadow: 0 0 50px rgba(231, 76, 60, 0.3);
    z-index: 100;
    width: 90%;
    max-width: 500px;
    animation: combatAppear 0.3s ease;
}

@keyframes combatAppear {
    from {
        opacity: 0;
        transform: translate(-50%, -50%) scale(0.9);
    }
    to {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1);
    }
}

.combat-panel.hidden {
    display: none;
}

.combat-header {
    text-align: center;
    margin-bottom: 1rem;
}

.combat-header h3 {
    color: var(--danger-color);
    font-size: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.combatants {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.combatant {
    flex: 1;
    text-align: center;
}

.combatant span:first-child {
    display: block;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.player-combat span:first-child {
    color: var(--secondary-color);
}

.enemy-combat span:first-child {
    color: var(--danger-color);
}

.vs {
    font-weight: 700;
    color: var(--text-secondary);
    font-size: 1.25rem;
}

.enemy-bar .health-fill {
    background: linear-gradient(90deg, #c0392b, #e74c3c);
}

.combat-log {
    background: var(--darker-bg);
    border-radius: 8px;
    padding: 1rem;
    margin-bottom: 1rem;
    max-height: 150px;
    overflow-y: auto;
    font-size: 0.875rem;
}

.combat-log p {
    margin-bottom: 0.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border-color);
}

.combat-log p:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.combat-actions {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.5rem;
}

.btn-attack {
    background: var(--danger-color);
    color: white;
}

.btn-attack:hover {
    background: #e74c3c;
}

.btn-defend {
    background: var(--primary-color);
    color: white;
}

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

.btn-item {
    background: var(--success-color);
    color: var(--dark-bg);
}

.btn-item:hover {
    background: #00b894;
}

.btn-flee {
    background: var(--warning-color);
    color: var(--dark-bg);
}

.btn-flee:hover {
    background: #f39c12;
}

/* Game Over Screen */
.gameover-card {
    max-width: 500px;
    margin: 2rem auto;
    text-align: center;
}

.gameover-card h2 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
}

.gameover-card h2.victory {
    color: var(--success-color);
}

.gameover-card h2.defeat {
    color: var(--danger-color);
}

.gameover-stats {
    text-align: left;
    margin-bottom: 1.5rem;
}

.gameover-stats p {
    display: flex;
    justify-content: space-between;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border-color);
}

.gameover-stats span:first-child {
    color: var(--text-secondary);
}

.gameover-stats span:last-child {
    color: var(--secondary-color);
    font-weight: 700;
}

/* Footer */
footer {
    text-align: center;
    padding: 1.5rem 0;
    margin-top: 2rem;
    border-top: 1px solid var(--border-color);
}

footer a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.875rem;
    transition: color 0.2s;
}

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

/* Scrollbar Styles */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--darker-bg);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-color);
}

/* Combat overlay */
.combat-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    z-index: 99;
}

.combat-overlay.hidden {
    display: none;
}

/* Responsive Design */
@media (max-width: 768px) {
    html {
        font-size: 14px;
    }

    .app-container {
        padding: 0.75rem;
    }

    header h1 {
        font-size: 1.5rem;
    }

    .card {
        padding: 1.25rem;
    }

    .stats-panel {
        gap: 0.5rem;
        padding: 0.75rem;
    }

    .stat {
        min-width: 60px;
    }

    .stat-value {
        font-size: 1rem;
    }

    .health-bar {
        max-width: 80px;
    }

    .story-container {
        padding: 1rem;
        min-height: 150px;
        max-height: 300px;
    }

    .inventory-panel {
        padding: 0.75rem;
    }

    .combat-panel {
        padding: 1rem;
        width: 95%;
    }

    .combatants {
        flex-direction: column;
        gap: 0.5rem;
    }

    .vs {
        font-size: 1rem;
    }

    .combat-actions {
        grid-template-columns: 1fr 1fr;
    }

    .combat-actions .btn {
        padding: 0.6rem 0.75rem;
        font-size: 0.875rem;
    }
}

@media (max-width: 480px) {
    header {
        padding: 1rem 0;
    }

    header h1 {
        font-size: 1.25rem;
    }

    .subtitle {
        font-size: 0.875rem;
    }

    .stats-panel {
        flex-wrap: wrap;
        justify-content: center;
    }

    .stat {
        min-width: 70px;
    }

    .choice-btn {
        padding: 0.75rem 1rem;
        font-size: 0.875rem;
    }

    .inventory-item {
        font-size: 0.75rem;
        padding: 0.375rem 0.5rem;
    }
}

/* Utility Classes */
.hidden {
    display: none !important;
}

.text-center {
    text-align: center;
}

.text-danger {
    color: var(--danger-color);
}

.text-success {
    color: var(--success-color);
}

.text-warning {
    color: var(--warning-color);
}

/* Item tooltip */
.item-tooltip {
    position: absolute;
    background: var(--darker-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0.75rem;
    font-size: 0.875rem;
    z-index: 1000;
    max-width: 200px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.item-tooltip h4 {
    color: var(--secondary-color);
    margin-bottom: 0.25rem;
}

.item-tooltip p {
    color: var(--text-secondary);
    margin-bottom: 0.25rem;
}

.item-tooltip .item-stats {
    color: var(--success-color);
}

/* Animation for damage/heal numbers */
@keyframes floatUp {
    0% {
        opacity: 1;
        transform: translateY(0);
    }
    100% {
        opacity: 0;
        transform: translateY(-30px);
    }
}

.float-number {
    position: absolute;
    font-weight: 700;
    font-size: 1.25rem;
    animation: floatUp 1s ease-out forwards;
    pointer-events: none;
}

.float-number.damage {
    color: var(--danger-color);
}

.float-number.heal {
    color: var(--success-color);
}