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

body {
    font-family: 'Press Start 2P', cursive;
    background: #2c3e50;
    color: #333;
    min-height: 100vh;
    padding: 20px;
    font-size: 12px;
    line-height: 1.6;
}

#app {
    max-width: 1400px;
    margin: 0 auto;
}

header {
    background: #ecf0f1;
    padding: 20px;
    border: 4px solid #34495e;
    margin-bottom: 20px;
    text-align: center;
    position: relative;
}

.header-icons {
    position: absolute;
    top: 15px;
    right: 15px;
    display: flex;
    gap: 10px;
}

.icon-btn {
    background: #3498db;
    color: white;
    border: 3px solid #2c3e50;
    width: 40px;
    height: 40px;
    font-size: 1.2em;
    cursor: pointer;
    padding: 0;
    margin: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.icon-btn:hover {
    background: #2980b9;
    box-shadow: 2px 2px 0px #34495e;
}

#music-toggle.muted {
    background: #95a5a6;
}

header h1 {
    font-size: 2em;
    color: #2c3e50;
    margin-bottom: 15px;
    text-shadow: 3px 3px 0px #95a5a6;
}

header p {
    font-size: 0.8em;
    color: #34495e;
    margin-bottom: 10px;
}

#combodex-status {
    font-weight: bold;
    color: #e74c3c;
}

#game-container {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 20px;
}

/* Trainers Section */
#trainers-section {
    background: #ecf0f1;
    padding: 20px;
    border: 4px solid #34495e;
}

#trainers-section h2 {
    color: #2c3e50;
    margin-bottom: 15px;
    text-align: center;
}

#difficulty-selector {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-top: 15px;
}

#difficulty-selector span {
    font-weight: bold;
    color: #2c3e50;
}

.difficulty-btn {
    background: #95a5a6;
    color: #2c3e50;
    padding: 8px 16px;
    font-size: 1em;
    font-weight: normal;
    border: 3px solid #34495e;
    cursor: pointer;
    margin: 0;
}

.difficulty-btn:hover {
    background: #7f8c8d;
    border-color: #2c3e50;
}

.difficulty-btn.active {
    background: #3498db;
    color: white;
    border-color: #2c3e50;
    box-shadow: inset 0 0 0 2px #2980b9;
}

.trainer {
    background: #bdc3c7;
    border: 3px solid #34495e;
    padding: 15px;
    margin-bottom: 15px;
}

.trainer-info {
    display: flex;
    align-items: center;
    margin-bottom: 10px;
}

.trainer-icon {
    background: #34495e;
    color: white;
    width: 80px;
    height: 80px;
    border: 3px solid #2c3e50;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 1.2em;
    margin-right: 15px;
    overflow: hidden;
}

.trainer-character-sprite {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.trainer-request {
    flex: 1;
    font-size: 0.9em;
    font-weight: normal;
    color: #2c3e50;
}

.trainer-slots {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
}

.trainer-slot {
    background: #ecf0f1;
    border: 3px dashed #7f8c8d;
    min-height: 120px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.trainer-slot:hover {
    border-color: #34495e;
    background: #bdc3c7;
}

.trainer-slot.active {
    border-color: #3498db;
    border-style: solid;
    background: #d6eaf8;
}

.trainer-slot.valid {
    background: #a9dfbf;
    border-color: #27ae60;
    border-style: solid;
}

.trainer-slot.invalid {
    background: #f5b7b1;
    border-color: #e74c3c;
    border-style: solid;
}

/* Board Section */
#board-section {
    background: #ecf0f1;
    padding: 20px;
    border: 4px solid #34495e;
}

#board-section h2 {
    color: #2c3e50;
    margin-bottom: 15px;
    text-align: center;
}

#board {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 15px;
    margin-bottom: 20px;
    background-image: url('Combomon Assets/images/grass1.png');
    background-repeat: repeat;
    background-size: 64px 64px;
    image-rendering: pixelated;
    image-rendering: -moz-crisp-edges;
    image-rendering: crisp-edges;
    padding: 15px;
    border-style: solid;
    border-width: 16px;
    border-image-source: url('Combomon Assets/images/fence1.png');
    border-image-slice: 16 fill;
    border-image-repeat: round;
}

.board-slot {
    background: rgba(255, 255, 255, 0.9);
    border: 3px solid #34495e;
    min-height: 140px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.board-slot:hover {
    border-color: #2c3e50;
    background: #ecf0f1;
}

.board-slot.active {
    border-color: #3498db;
    border-width: 4px;
    background: #d6eaf8;
}

/* Combomon Card */
.combomon-card {
    width: 100%;
    height: 100%;
    padding: 10px;
    position: relative;
    cursor: grab;
    user-select: none;
}

.combomon-card.dragging {
    opacity: 0.5;
    cursor: grabbing;
}

.combomon-card.selected {
    background: #f9e79f;
}

.card-corner {
    position: absolute;
    font-size: 0.5em;
    font-weight: normal;
    color: #333;
    line-height: 1.4;
}

.card-corner.top-left {
    top: 5px;
    left: 5px;
}

.card-corner.top-right {
    top: 5px;
    right: 5px;
    text-align: right;
}

.card-corner.bottom-left {
    bottom: 5px;
    left: 5px;
}

.card-corner.bottom-right {
    bottom: 5px;
    right: 5px;
    text-align: right;
}

.card-center {
    position: absolute;
    top: 45%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.combomon-icon {
    font-size: 2em;
    margin-bottom: 8px;
    font-weight: bold;
}

.combomon-sprite {
    width: 80px;
    height: 80px;
    object-fit: contain;
    margin-bottom: 8px;
    image-rendering: pixelated;
    image-rendering: -moz-crisp-edges;
    image-rendering: crisp-edges;
}

.combomon-name {
    font-weight: bold;
    font-size: 0.75em;
    margin-top: 5px;
    text-align: center;
}

/* Buttons */
button {
    padding: 12px 24px;
    font-size: 0.9em;
    font-weight: normal;
    border: 4px solid #2c3e50;
    cursor: pointer;
    margin-right: 10px;
    box-shadow: 4px 4px 0px #34495e;
}

#submit-btn {
    background: #27ae60;
    color: white;
}

#submit-btn:hover:not(:disabled) {
    background: #229954;
    box-shadow: 2px 2px 0px #34495e;
}

#submit-btn:disabled {
    background: #95a5a6;
    cursor: not-allowed;
    opacity: 0.6;
}

#reset-btn {
    background: #e74c3c;
    color: white;
}

#reset-btn:hover {
    background: #c0392b;
    box-shadow: 2px 2px 0px #34495e;
}

#combodex-btn {
    background: #9b59b6;
    color: white;
}

#combodex-btn:hover {
    background: #8e44ad;
    box-shadow: 2px 2px 0px #34495e;
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal.hidden {
    display: none;
}

.modal-content {
    background: #ecf0f1;
    border: 6px solid #34495e;
    width: 90%;
    max-width: 1000px;
    max-height: 80vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: 8px 8px 0px #2c3e50;
}

.modal-header {
    padding: 20px;
    border-bottom: 4px solid #34495e;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: #bdc3c7;
}

.modal-header h2 {
    color: #2c3e50;
}

.modal-footer {
    padding: 20px;
    border-top: 4px solid #34495e;
    background: #bdc3c7;
    text-align: center;
}

#reset-combodex-btn {
    background: #e74c3c;
    color: white;
    padding: 12px 24px;
    font-size: 0.9em;
    font-weight: normal;
    border: 4px solid #2c3e50;
    cursor: pointer;
    box-shadow: 4px 4px 0px #34495e;
    margin: 0;
}

#reset-combodex-btn:hover {
    background: #c0392b;
    box-shadow: 2px 2px 0px #34495e;
}

.close-btn {
    background: none;
    border: none;
    font-size: 2em;
    cursor: pointer;
    color: #666;
    padding: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0;
}

.close-btn:hover {
    color: #333;
    transform: none;
    box-shadow: none;
}

#combodex-grid {
    padding: 20px;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 15px;
    overflow-y: auto;
    flex: 1;
}

.combodex-entry {
    background: #95a5a6;
    border: 3px solid #34495e;
    padding: 15px;
    padding-top: 30px;
    text-align: center;
    position: relative;
    min-height: 180px;
}

.combodex-entry.locked {
    opacity: 0.5;
}

.combodex-entry.unlocked {
    background: #ecf0f1;
    border-color: #27ae60;
    border-width: 4px;
}

.combodex-number {
    position: absolute;
    top: 5px;
    left: 50%;
    transform: translateX(-50%);
    font-weight: bold;
    font-size: 0.75em;
    color: #2c3e50;
}

.combodex-icon {
    display: flex;
    align-items: center;
    justify-content: center;
}

.combodex-sprite {
    width: 70px;
    height: 70px;
    object-fit: contain;
    image-rendering: pixelated;
    image-rendering: -moz-crisp-edges;
    image-rendering: crisp-edges;
}

.combodex-name {
    font-weight: bold;
    font-size: 0.8em;
    margin-top: 5px;
    text-align: center;
}

/* Help Modal Content */
.help-content {
    padding: 20px;
    overflow-y: auto;
    max-height: 60vh;
}

.help-content section {
    margin-bottom: 20px;
}

.help-content h3 {
    color: #2c3e50;
    font-size: 1em;
    margin-bottom: 10px;
    border-bottom: 2px solid #34495e;
    padding-bottom: 5px;
}

.help-content p {
    margin: 8px 0;
    line-height: 1.8;
    font-size: 0.75em;
}

.help-content .credits {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 3px solid #34495e;
}

.help-content .credits p {
    font-weight: normal;
}

/* Perfect Message */
#perfect-message {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 6em;
    font-weight: bold;
    color: #f1c40f;
    text-shadow: 4px 4px 0px #e67e22, 8px 8px 0px #34495e;
    z-index: 2000;
    gap: 0.1em;
    pointer-events: none;
}

#perfect-message:not(.hidden) {
    display: flex !important;
}

#perfect-message.hidden {
    display: none !important;
}

.wave-text {
    display: inline-block;
    animation: wave 1s ease-in-out infinite;
}

.wave-text:nth-child(1) { animation-delay: 0s; }
.wave-text:nth-child(2) { animation-delay: 0.1s; }
.wave-text:nth-child(3) { animation-delay: 0.2s; }
.wave-text:nth-child(4) { animation-delay: 0.3s; }
.wave-text:nth-child(5) { animation-delay: 0.4s; }
.wave-text:nth-child(6) { animation-delay: 0.5s; }
.wave-text:nth-child(7) { animation-delay: 0.6s; }
.wave-text:nth-child(8) { animation-delay: 0.7s; }

@keyframes wave {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-30px);
    }
}

/* Responsive Design */
@media (max-width: 1024px) {
    #game-container {
        grid-template-columns: 1fr;
    }

    #board {
        grid-template-columns: repeat(3, 1fr);
    }

    #perfect-message {
        font-size: 4em;
    }
}

@media (max-width: 768px) {
    #board {
        grid-template-columns: repeat(2, 1fr);
    }

    #combodex-grid {
        grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    }

    #perfect-message {
        font-size: 3em;
    }
}