/* === GLOBAL TYPOGRAPHY === */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;600&display=swap');

body {
    font-family: 'Poppins', sans-serif;
    margin: 0;
    padding: 0;
    background: linear-gradient(270deg, #87CEEB, #1E90FF);
    background-size: 400% 400%;
    animation: oceanFlow 15s ease infinite;
    min-height: 100vh;
}

/* Ocean-like background animation */
@keyframes oceanFlow {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.hidden { display: none !important; }

#game-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* === HEADER === */
header {
    background: rgba(255, 255, 255, 0.9);
    padding: 15px;
    border-radius: 10px;
    margin-bottom: 20px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

h1 {
    margin: 0;
    color: #2c3e50;
    text-align: center;
}

#resources {
    display: flex;
    justify-content: space-around;
    margin-top: 10px;
    flex-wrap: wrap;
    gap: 8px;
}

#resources span {
    background: rgba(52, 73, 94, 0.9);
    color: white;
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 1em;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 6px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.2);
}

/* === MAIN LAYOUT === */
main {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 20px;
}

/* === BOARD === */
#game-board {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 10px;
    padding: 15px;
    min-height: 500px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);

    display: grid;
    grid-template-columns: repeat(6, 1fr);
    grid-template-rows: repeat(6, 1fr);
    /* gap: 5px; */
}

.cell {
    background-image: url(pexels-photo-413195.jpeg);
    /* border: 2px solid #2ecc71;
    border-radius: 5px; */
    min-height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 7.5em;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
}

.cell:hover {
    transform: scale(1.05);
    border-color: #f1c40f;
}

.cell.selected {
    border: 3px solid #e74c3c;
    box-shadow: 0 0 10px rgba(231, 76, 60, 0.5);
    transform: scale(1.02);
}

.cell.coast {
    background-image:url(istockphoto-1300107681-612x612.jpg);
    border-color: #2980b9;
}

.cell.flooded {
    background: #8e44ad;
    border-color: #9b59b6;
}

/* Animation when building something */
.cell.build {
    animation: popIn 0.4s ease;
}
@keyframes popIn {
    0% { transform: scale(0.7); opacity: 0; }
    100% { transform: scale(1); opacity: 1; }
}

/* Tooltip */
.cell::after {
    content: attr(title);
    position: absolute;
    bottom: 2px;
    left: 2px;
    right: 2px;
    background: rgba(0, 0, 0, 0.7);
    color: white;
    font-size: 0.5em;
    padding: 1px 3px;
    border-radius: 3px;
    opacity: 0;
    transition: opacity 0.3s ease;
}
.cell:hover::after { opacity: 1; }

/* === CONTROL PANEL === */
#control-panel {
    background: rgba(255, 255, 255, 0.95);
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.action-buttons {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 20px;
}

.action-buttons button {
    padding: 12px;
    border: none;
    border-radius: 8px;
    background: linear-gradient(135deg, #3498db, #2980b9);
    color: white;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: left;
    box-shadow: 0 3px 8px rgba(0,0,0,0.2);
}
.action-buttons button:hover {
    background: linear-gradient(135deg, #2980b9, #1c598a);
    transform: translateY(-2px);
}

.action-buttons button:disabled {
    background: #bdc3c7;
    cursor: not-allowed;
    opacity: 0.6;
    box-shadow: none;
}

#next-turn-btn {
    width: 100%;
    padding: 15px;
    background: linear-gradient(135deg, #e67e22, #d35400);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 1.1em;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 10px rgba(0,0,0,0.2);
}
#next-turn-btn:hover {
    background: linear-gradient(135deg, #d35400, #a84300);
    transform: translateY(-2px);
}
#next-turn-btn:disabled {
    background: #95a5a6;
    cursor: not-allowed;
    box-shadow: none;
}

/* === MODALS === */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal-content {
    background: white;
    padding: 30px;
    border-radius: 15px;
    max-width: 500px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}


.modal.hidden { display: none; }
.modal { position: fixed; left: 0; top: 0; right: 0; bottom: 0; background: rgba(0,0,0,0.4); display: flex; align-items: center; justify-content: center; }
.btn { padding: 8px 12px; border-radius:6px; border:1px solid #ccc; background:#fff; cursor:pointer; }
.btn.primary { background:#1d72f3;color:#fff;border-color:transparent; }

/* === NASA PANEL === */
#nasa-data-panel {
    background: linear-gradient(135deg, #0b3d91, #1a5f9e);
    color: white;
    padding: 15px;
    border-radius: 8px;
    margin-top: 20px;
    border-left: 4px solid #f1c40f;
}

#nasa-data-panel h3 {
    margin-top: 0;
    color: #f1c40f;
    text-align: center;
    font-size: 1.1em;
}

.nasa-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin: 15px 0;
}

.stat-item {
    background: rgba(255, 255, 255, 0.1);
    padding: 12px;
    border-radius: 8px;
    text-align: center;
    font-size: 0.9em;
    backdrop-filter: blur(5px);
}
.stat-value {
    font-size: 1.2em;
    font-weight: bold;
    color: #f1c40f;
}

/* Styles for save controls */
.save-controls {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px solid #ddd;
}

.save-controls button {
    padding: 8px;
    background: #95a5a6;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 0.9em;
    transition: background 0.3s ease;
}

.save-controls button:hover {
    background: #7f8c8d;
}

.save-controls button:disabled {
    background: #bdc3c7;
    cursor: not-allowed;
}

.modal-content.ai-modal {
    background: linear-gradient(135deg, #1b2735, #2c3e50);
    color: #f1f1f1;
    border: 2px solid #00ffcc;
    text-align: left;
}

#ai-response {
    max-height: 300px;
    overflow-y: auto;
    margin-bottom: 15px;
    font-size: 0.9em;
    line-height: 1.4;
    white-space: pre-wrap;
}


/* === RESPONSIVE === */
@media (max-width: 768px) {
    main { grid-template-columns: 1fr; }
    #game-board { min-height: 400px; }
    .cell { min-height: 60px; font-size: 1.2em; }
    #resources { flex-direction: column; align-items: center; }
    .action-buttons button { font-size: 0.9em; padding: 10px; }
}