/* greek */
@font-face {
    font-family: 'Comfortaa';
    font-style: normal;
    font-weight: 600 700;
    font-display: swap;
    src: url('fonts/Comfortaa-greek.woff2') format('woff2');
    unicode-range: U+0370-0377, U+037A-037F, U+0384-038A, U+038C, U+038E-03A1, U+03A3-03FF;
}
/* latin */
@font-face {
    font-family: 'Comfortaa';
    font-style: normal;
    font-weight: 600 700;
    font-display: swap;
    src: url('fonts/Comfortaa-latin.woff2') format('woff2');
    unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

:root {
    --bg-gradient: linear-gradient(180deg, #2e7d32 0%, #388e3c 40%, #2e7d32 100%);
    --card-bg: rgba(255, 255, 255, 0.85);
    --primary-color: #ff6b6b;
    --primary-shadow: #c92a2a;
    --secondary-color: #4ecdc4;
    --secondary-shadow: #12b886;
    --accent-color: #fca311;
    --accent-shadow: #e85d04;
    --text-main: #2b2d42;
    --correct-bg: #8ce99a;
    --correct-shadow: #2b8a3e;
    --wrong-bg: #ffa8a8;
    --wrong-shadow: #c92a2a;
    --font-heading: 'Comfortaa', cursive;
    --font-body: 'Comfortaa', sans-serif;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    user-select: none; /* Prevent text selection to feel more like an app */
}

body {
    font-family: var(--font-body);
    background: var(--bg-gradient);
    min-height: 100vh;
    color: var(--text-main);
    overflow: hidden; /* Hide scrollbars, full app feel */
}

/* ==================================================
   ΣΥΣΤΗΜΑ ΟΘΟΝΩΝ (SCREENS)
   ================================================== */
.screen {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s ease-in-out, transform 0.4s ease-in-out;
    transform: scale(1.05);
}

.screen.active {
    opacity: 1;
    pointer-events: auto;
    transform: scale(1);
    z-index: 10;
}

/* ==================================================
   ΟΘΟΝΗ ΧΑΡΤΗ (MAP SCREEN)
   ================================================== */
#map-screen {
    background:
        linear-gradient(rgba(0,0,0,0.18), rgba(0,0,0,0.18)),
        url('forest.png') center / cover no-repeat;
}

#map-screen header {
    background: rgba(0, 0, 0, 0.45);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    padding: 12px 20px 12px 110px; /* αριστερά χώρος για το logo */
    box-shadow: 0 4px 20px rgba(0,0,0,0.5);
    text-align: center;
    border-bottom-left-radius: 20px;
    border-bottom-right-radius: 20px;
    position: relative;
    z-index: 2;
    border-bottom: 2px solid rgba(255,255,255,0.15);
}

#header-logo {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    height: 75px;
    width: auto;
    object-fit: contain;
    filter: drop-shadow(2px 3px 4px rgba(0,0,0,0.5));
}

#map-screen header h1 {
    font-family: var(--font-heading);
    color: #ffcc02;
    font-size: 28px;
    letter-spacing: 1px;
    text-shadow: 2px 2px 0px rgba(0,0,0,0.5);
}

#map-screen header p {
    font-size: 16px;
    color: #ffe0b2;
    margin-top: 5px;
    font-weight: 700;
}

#total-stars-display {
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    background: #fff3bf;
    padding: 8px 15px;
    border-radius: 20px;
    font-weight: 900;
    color: #e67700;
    box-shadow: 0 4px 0 #fcc419;
    font-size: 18px;
}

.map-container {
    flex: 1;
    position: relative;
    overflow-y: auto;
    overflow-x: hidden;
    padding: 40px 20px 80px 20px; /* space for scrolling */
}

.map-container::-webkit-scrollbar {
    width: 8px;
}
.map-container::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.5);
    border-radius: 10px;
}

.map-path {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 0;
    pointer-events: none;
}

/* Στυλ για το μονοπάτι χωματόδρομο */
#map-path-line {
    stroke: #a0724a;
    stroke-width: 18;
    stroke-dasharray: none;
    filter: drop-shadow(0 3px 4px rgba(0,0,0,0.4));
}

/* Εσωτερική γραμμή μονοπατιού (texture) */
#map-path-inner {
    stroke: #c49a6c;
    stroke-width: 8;
    stroke-dasharray: 20, 15;
    stroke-linecap: round;
}

/* Δέντρα διακόσμησης */
.bg-tree {
    position: absolute;
    font-size: 36px;
    pointer-events: none;
    z-index: 0;
    line-height: 1;
    filter: drop-shadow(2px 4px 3px rgba(0,0,0,0.4));
    animation: treeSway 3s ease-in-out infinite;
}

@keyframes treeSway {
    0%   { transform: rotate(-2deg) scale(1); }
    50%  { transform: rotate(2deg) scale(1.04); }
    100% { transform: rotate(-2deg) scale(1); }
}

/* Ποταμάκι - κινούμενο νερό */
.river-flow {
    animation: riverFlow 1.8s linear infinite;
}

@keyframes riverFlow {
    from { stroke-dashoffset: 0; }
    to   { stroke-dashoffset: -40; }
}

.levels-wrapper {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 40px;
    padding-bottom: 50px;
}

/* Τα κουμπιά ανά επίπεδο (Map Nodes) */
.level-node {
    position: relative;
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: radial-gradient(circle at 35% 35%, #ffca28, #f57f17);
    box-shadow: 0 6px 0 #bf360c, 0 10px 20px rgba(0,0,0,0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    font-family: var(--font-heading);
    color: white;
    font-size: 28px;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    border: 4px solid rgba(255,255,255,0.8);
    text-shadow: 1px 2px 3px rgba(0,0,0,0.4);
}

.level-node:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 0 var(--accent-shadow), 0 12px 20px rgba(0,0,0,0.3);
}

.level-node:active {
    transform: translateY(4px);
    box-shadow: 0 2px 0 var(--accent-shadow), 0 4px 10px rgba(0,0,0,0.2);
}

/* Για να κάνουμε ζιγκ-ζαγκ (snake path) τοποθέτηση */
.level-node:nth-child(even) { margin-left: 30vw; }
.level-node:nth-child(odd) { margin-right: 30vw; }
/* Αλλαγή χρώματος για τα boss levels 13 14 */
.level-node.boss {
    background: var(--primary-color);
    box-shadow: 0 6px 0 var(--primary-shadow), 0 10px 15px rgba(0,0,0,0.2);
    width: 90px;
    height: 90px;
}

/* Stars under map nodes */
.node-stars {
    position: absolute;
    bottom: -25px;
    display: flex;
    gap: 2px;
    font-size: 14px;
}

.node-stars .star {
    opacity: 0.3;
    filter: grayscale(100%);
    transition: 0.3s;
}
.node-stars .star.earned {
    opacity: 1;
    filter: none;
    transform: scale(1.2);
}

.node-label {
    position: absolute;
    top: -30px;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    color: #fff;
    padding: 4px 10px;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 800;
    white-space: nowrap;
    box-shadow: 0 3px 8px rgba(0,0,0,0.5);
    border: 1px solid rgba(255,255,255,0.2);
}

/* ==================================================
   ΟΘΟΝΗ ΠΑΙΧΝΙΔΙΟΥ (GAME SCREEN)
   ================================================== */
#game-screen {
    background: rgba(255,255,255,0.95);
}

.game-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px;
    background: white;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
}

.btn-round {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    border: none;
    background: var(--secondary-color);
    color: white;
    font-size: 24px;
    line-height: 50px;
    text-align: center;
    cursor: pointer;
    box-shadow: 0 4px 0 var(--secondary-shadow);
    transition: 0.1s;
    font-weight: bold;
}
.btn-round:active {
    transform: translateY(4px);
    box-shadow: 0 0 0 var(--secondary-shadow);
}

#level-title {
    font-family: var(--font-heading);
    color: var(--primary-color);
    font-size: 24px;
}

.progress-container {
    flex: 1;
    margin: 0 20px;
    height: 15px;
    background: #e9ecef;
    border-radius: 10px;
    overflow: hidden;
    position: relative;
    box-shadow: inset 0 2px 4px rgba(0,0,0,0.1);
}

.progress-bar {
    height: 100%;
    width: 0%;
    background: var(--secondary-color);
    border-radius: 10px;
    transition: width 0.3s ease;
}

.score-display {
    font-family: var(--font-heading);
    font-size: 20px;
    color: var(--text-main);
    background: #fff3bf;
    padding: 5px 15px;
    border-radius: 15px;
    box-shadow: 0 3px 0 #fcc419;
}

.game-board {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.question-container {
    background: white;
    border-radius: 30px;
    padding: 40px 60px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    margin-bottom: 40px;
    border: 5px solid var(--primary-color);
    animation: floating 3s ease-in-out infinite;
}

#question-text {
    font-family: var(--font-heading);
    font-size: 60px;
    color: var(--text-main);
    text-align: center;
}

.answers-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    width: 100%;
    max-width: 500px;
}

.answer-btn {
    background: #fff;
    border: 4px solid var(--secondary-color);
    border-radius: 20px;
    padding: 20px 0;
    font-family: var(--font-heading);
    font-size: 36px;
    color: var(--text-main);
    cursor: pointer;
    box-shadow: 0 8px 0 var(--secondary-shadow), 0 10px 10px rgba(0,0,0,0.1);
    transition: all 0.15s;
}

.answer-btn:hover {
    transform: translateY(-2px);
}

.answer-btn:active {
    transform: translateY(6px);
    box-shadow: 0 2px 0 var(--secondary-shadow), 0 3px 5px rgba(0,0,0,0.1);
}

/* Χρώματα κατάστασης Απάντησης */
.answer-btn.correct {
    background: var(--correct-bg);
    border-color: var(--correct-shadow);
    color: white;
    box-shadow: 0 8px 0 var(--correct-shadow);
    animation: correctPop 0.5s;
}
.answer-btn.correct:active {
    box-shadow: 0 2px 0 var(--correct-shadow);
}

.answer-btn.wrong {
    background: var(--wrong-bg);
    border-color: var(--wrong-shadow);
    color: white;
    box-shadow: 0 8px 0 var(--wrong-shadow);
    animation: wrongShake 0.4s;
}
.answer-btn.wrong:active {
    box-shadow: 0 2px 0 var(--wrong-shadow);
}

/* ==================================================
   ΟΘΟΝΗ ΑΠΟΤΕΛΕΣΜΑΤΩΝ (MODAL)
   ================================================== */
.modal-overlay {
    background: rgba(0,0,0,0.7);
    justify-content: center;
    align-items: center;
    z-index: 50;
}

.result-modal {
    background: white;
    border-radius: 30px;
    padding: 40px;
    width: 90%;
    max-width: 480px;
    max-height: 90vh;
    overflow-y: auto;
    text-align: center;
    box-shadow: 0 20px 40px rgba(0,0,0,0.2);
    border: 5px solid var(--accent-color);
    animation: popIn 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

/* ── BOSS REPORT ── */
.boss-report {
    margin: 18px 0 10px;
    text-align: left;
}

.report-title {
    font-family: var(--font-heading);
    font-size: 18px;
    color: var(--text-main);
    text-align: center;
    margin-bottom: 12px;
}

.report-perfect {
    text-align: center;
    font-size: 18px;
    font-weight: 800;
    color: #2e7d32;
    padding: 10px;
}

.report-subtitle {
    font-size: 14px;
    font-weight: 800;
    color: #666;
    margin-bottom: 10px;
    text-align: center;
}

.report-bars {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.report-row {
    display: flex;
    align-items: center;
    gap: 8px;
}

.report-label {
    font-family: var(--font-heading);
    font-size: 16px;
    color: white;
    background: var(--primary-color);
    border-radius: 8px;
    padding: 3px 8px;
    min-width: 42px;
    text-align: center;
    flex-shrink: 0;
}

.report-bar-bg {
    flex: 1;
    height: 18px;
    background: #f0f0f0;
    border-radius: 10px;
    overflow: hidden;
}

.report-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, #ff6b6b, #ff8e53);
    border-radius: 10px;
    min-width: 6px;
    transition: width 0.8s ease;
}

.report-count {
    font-size: 13px;
    font-weight: 800;
    color: var(--primary-color);
    min-width: 52px;
    text-align: right;
    flex-shrink: 0;
}

.report-ok-row {
    display: flex;
    align-items: center;
    gap: 8px;
}

.report-ok-label {
    font-family: var(--font-heading);
    font-size: 15px;
    color: white;
    background: #66bb6a;
    border-radius: 8px;
    padding: 3px 8px;
    min-width: 42px;
    text-align: center;
    flex-shrink: 0;
}

.report-ok-text {
    font-size: 13px;
    color: #2e7d32;
    font-weight: 800;
}

.result-modal h2 {
    font-family: var(--font-heading);
    color: var(--primary-color);
    font-size: 32px;
    margin-bottom: 20px;
}

.stars-earned {
    display: flex;
    justify-content: center;
    gap: 15px;
    font-size: 50px;
    margin-bottom: 20px;
}

.stars-earned .star {
    opacity: 0.2;
    filter: grayscale(100%);
    transform: scale(0.8);
    transition: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}
.stars-earned .star.active {
    opacity: 1;
    filter: none;
    transform: scale(1.2);
}

#result-message {
    font-size: 22px;
    font-weight: 800;
    margin-bottom: 10px;
    color: #495057;
}

.btn-primary {
    background: var(--accent-color);
    color: white;
    border: none;
    border-radius: 20px;
    padding: 15px 40px;
    font-family: var(--font-heading);
    font-size: 24px;
    cursor: pointer;
    box-shadow: 0 6px 0 var(--accent-shadow);
    margin-top: 20px;
    transition: 0.1s;
}
.btn-primary:active {
    transform: translateY(4px);
    box-shadow: 0 2px 0 var(--accent-shadow);
}

/* ==================================================
   ANIMATIONS
   ================================================== */
@keyframes floating {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
    100% { transform: translateY(0px); }
}

@keyframes correctPop {
    0% { transform: scale(1); }
    50% { transform: scale(1.1); }
    100% { transform: scale(1); }
}

@keyframes wrongShake {
    0% { transform: translateX(0); }
    20% { transform: translateX(-10px); }
    40% { transform: translateX(10px); }
    60% { transform: translateX(-10px); }
    80% { transform: translateX(10px); }
    100% { transform: translateX(0); }
}

@keyframes popIn {
    0% { transform: scale(0.5); opacity: 0; }
    100% { transform: scale(1); opacity: 1; }
}

/* Ανταπόκριση για Κινητά / Tablets */
@media (max-width: 600px) {
    #question-text { font-size: 48px; }
    .question-container { padding: 30px; }
    .answer-btn { font-size: 28px; padding: 15px 0; }
    .level-node { width: 70px; height: 70px; font-size: 24px; }
    #map-screen header h1 { font-size: 24px; }
    #total-stars-display { 
        position: static; 
        transform: none; 
        display: inline-block;
        margin-top: 10px; 
    }
}