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

:root {
    --bg-dark: #0d0d1a;
    --bg-primary: #1a1a2e;
    --bg-secondary: #16213e;
    --bg-card: #0f3460;
    --cyan: #00f5d4;
    --magenta: #f72585;
    --amber: #fca311;
    --emerald: #06d6a0;
    --text: #e0e0e0;
    --text-dim: #7a7a9a;
    --danger: #ff4444;
    --font-main: 'Chakra Petch', sans-serif;
    --font-mono: 'Share Tech Mono', monospace;
}

html, body {
    width: 100%; height: 100%;
    overflow: hidden;
    background: var(--bg-dark);
    color: var(--text);
    font-family: var(--font-main);
}

#game-container {
    display: flex;
    flex-direction: column;
    height: 100vh;
    width: 100vw;
    position: relative;
}

/* TOP BAR */
#top-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 6px 16px;
    background: linear-gradient(180deg, var(--bg-secondary), var(--bg-dark));
    border-bottom: 1px solid rgba(0,245,212,0.15);
    z-index: 10;
    min-height: 44px;
    flex-shrink: 0;
}

#top-left { display: flex; align-items: center; gap: 10px; }
#player-info { font-weight: 700; font-size: 14px; color: var(--cyan); letter-spacing: 1px; }
#xp-bar-container {
    width: 100px; height: 6px;
    background: rgba(255,255,255,0.1);
    border-radius: 3px; overflow: hidden;
}
#xp-bar-fill {
    width: 0%; height: 100%;
    background: linear-gradient(90deg, var(--cyan), var(--emerald));
    transition: width 0.5s ease;
}

#top-center { font-family: var(--font-mono); font-size: 13px; color: var(--amber); letter-spacing: 2px; }

#top-right { display: flex; align-items: center; gap: 10px; }
#gold-counter { font-family: var(--font-mono); font-size: 14px; color: var(--amber); }
#top-right button {
    background: none; border: 1px solid rgba(255,255,255,0.15);
    color: var(--text); font-size: 18px; cursor: pointer;
    padding: 4px 8px; border-radius: 4px; position: relative;
    transition: border-color 0.2s;
}
#top-right button:hover { border-color: var(--cyan); }
#achievement-badge {
    position: absolute; top: -4px; right: -4px;
    background: var(--magenta); color: white;
    font-size: 10px; width: 14px; height: 14px;
    border-radius: 50%; display: flex; align-items: center; justify-content: center;
    font-weight: 700;
}
.hidden { display: none !important; }

/* GAME AREA */
#game-area {
    flex: 1;
    display: flex;
    overflow: hidden;
    position: relative;
}

/* TURN ORDER SIDEBAR */
#turn-order-sidebar {
    width: 70px;
    background: rgba(15,52,96,0.4);
    border-right: 1px solid rgba(0,245,212,0.1);
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 8px 4px;
    overflow-y: auto;
    flex-shrink: 0;
}
.sidebar-title {
    font-family: var(--font-mono);
    font-size: 9px;
    color: var(--text-dim);
    letter-spacing: 2px;
    margin-bottom: 8px;
    text-align: center;
}
.turn-order-unit {
    width: 50px; height: 50px;
    border: 2px solid rgba(255,255,255,0.15);
    border-radius: 6px;
    margin-bottom: 6px;
    display: flex; align-items: center; justify-content: center;
    font-size: 22px;
    position: relative;
    transition: all 0.3s;
    background: rgba(0,0,0,0.3);
}
.turn-order-unit.active { border-color: var(--cyan); box-shadow: 0 0 12px rgba(0,245,212,0.4); }
.turn-order-unit.enemy { border-color: rgba(247,37,133,0.5); }
.turn-order-unit .unit-hp-mini {
    position: absolute; bottom: 2px; left: 4px; right: 4px;
    height: 3px; background: rgba(0,0,0,0.5); border-radius: 2px;
}
.turn-order-unit .unit-hp-mini-fill {
    height: 100%; background: var(--emerald); border-radius: 2px;
    transition: width 0.3s;
}

/* CANVAS */
#canvas-wrapper {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}
#canvas { display: block; image-rendering: pixelated; }

/* UNIT INFO SIDEBAR */
#unit-info-sidebar {
    width: 180px;
    background: rgba(15,52,96,0.4);
    border-left: 1px solid rgba(0,245,212,0.1);
    padding: 10px;
    overflow-y: auto;
    flex-shrink: 0;
}
.unit-portrait {
    width: 80px; height: 80px; margin: 0 auto 10px;
    border: 2px solid var(--cyan); border-radius: 8px;
    display: flex; align-items: center; justify-content: center;
    font-size: 40px; background: rgba(0,0,0,0.3);
}
.unit-name { text-align: center; font-weight: 700; font-size: 14px; margin-bottom: 6px; }
.unit-hp-bar {
    width: 100%; height: 10px;
    background: rgba(0,0,0,0.4); border-radius: 5px;
    overflow: hidden; margin-bottom: 4px;
}
.unit-hp-bar-fill { height: 100%; background: var(--emerald); border-radius: 5px; transition: width 0.3s; }
.unit-hp-text { font-family: var(--font-mono); font-size: 11px; text-align: center; color: var(--text-dim); margin-bottom: 10px; }
.unit-stats { font-family: var(--font-mono); font-size: 11px; }
.unit-stat-row { display: flex; justify-content: space-between; padding: 2px 0; }
.unit-stat-label { color: var(--text-dim); }
.unit-stat-value { color: var(--text); }

/* BOTTOM PANEL */
#bottom-panel {
    background: linear-gradient(0deg, var(--bg-dark), var(--bg-secondary));
    border-top: 1px solid rgba(0,245,212,0.15);
    padding: 8px 16px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    z-index: 10;
    flex-shrink: 0;
}

/* MANA BAR */
#mana-bar {
    display: flex;
    gap: 4px;
    align-items: center;
}
.mana-crystal {
    width: 16px; height: 20px;
    background: rgba(0,100,255,0.15);
    border: 1px solid rgba(0,150,255,0.3);
    border-radius: 3px;
    transition: all 0.3s;
}
.mana-crystal.filled {
    background: linear-gradient(180deg, #4488ff, #2266dd);
    border-color: #66aaff;
    box-shadow: 0 0 6px rgba(68,136,255,0.5);
}
.mana-crystal.empty {
    background: rgba(0,0,0,0.3);
    border-color: rgba(255,255,255,0.1);
}

/* CARD HAND */
#card-hand {
    display: flex;
    gap: 8px;
    justify-content: center;
    flex-wrap: nowrap;
    overflow-x: auto;
    max-width: 100%;
    padding: 4px;
}
.card {
    width: 110px; min-width: 110px; height: 150px;
    border-radius: 8px;
    padding: 6px;
    cursor: pointer;
    transition: all 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    border: 2px solid rgba(255,255,255,0.15);
    background: var(--bg-card);
    flex-shrink: 0;
}
.card:hover {
    transform: translateY(-16px) scale(1.08);
    z-index: 5;
    box-shadow: 0 8px 24px rgba(0,0,0,0.6);
}
.card.selected {
    transform: translateY(-20px) scale(1.1);
    z-index: 6;
}
.card.disabled { opacity: 0.4; cursor: not-allowed; pointer-events: none; }
.card.attack { border-color: rgba(255,68,68,0.6); }
.card.defense { border-color: rgba(68,136,255,0.6); }
.card.spell { border-color: rgba(180,68,255,0.6); }
.card.support { border-color: rgba(6,214,160,0.6); }
.card.attack.selected { box-shadow: 0 0 20px rgba(255,68,68,0.5); border-color: #ff4444; }
.card.defense.selected { box-shadow: 0 0 20px rgba(68,136,255,0.5); border-color: #4488ff; }
.card.spell.selected { box-shadow: 0 0 20px rgba(180,68,255,0.5); border-color: #b444ff; }
.card.support.selected { box-shadow: 0 0 20px rgba(6,214,160,0.5); border-color: var(--emerald); }

.card-icon {
    width: 48px; height: 48px;
    border-radius: 4px;
    margin-bottom: 4px;
    display: flex; align-items: center; justify-content: center;
    font-size: 28px;
    background: rgba(0,0,0,0.3);
    image-rendering: pixelated;
}
.card-icon img { width: 100%; height: 100%; image-rendering: pixelated; border-radius: 4px; }
.card-name { font-weight: 700; font-size: 11px; text-align: center; margin-bottom: 2px; letter-spacing: 0.5px; }
.card-desc { font-size: 9px; color: var(--text-dim); text-align: center; line-height: 1.3; flex: 1; }
.card-cost {
    position: absolute; top: -6px; right: -6px;
    width: 22px; height: 22px;
    background: linear-gradient(135deg, #4488ff, #2266dd);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 12px; font-weight: 700;
    border: 2px solid #66aaff;
    box-shadow: 0 0 8px rgba(68,136,255,0.4);
}
.card-value {
    font-family: var(--font-mono);
    font-size: 13px; font-weight: 700;
    color: var(--amber);
    margin-bottom: 2px;
}

/* END TURN BUTTON */
#end-turn-btn-container { margin-top: 2px; }
#btn-end-turn {
    font-family: var(--font-main);
    font-weight: 700;
    font-size: 13px;
    letter-spacing: 2px;
    color: var(--bg-dark);
    background: linear-gradient(135deg, var(--cyan), var(--emerald));
    border: none;
    padding: 8px 32px;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s;
}
#btn-end-turn:hover { transform: scale(1.05); box-shadow: 0 0 16px rgba(0,245,212,0.4); }
#btn-end-turn:disabled {
    background: rgba(255,255,255,0.1);
    color: var(--text-dim);
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

/* BANNER OVERLAY */
#banner-overlay {
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    font-family: var(--font-main);
    font-weight: 700;
    font-size: 28px;
    letter-spacing: 4px;
    padding: 12px 40px;
    border-radius: 4px;
    z-index: 20;
    pointer-events: none;
    animation: bannerSlide 1.2s ease forwards;
}
@keyframes bannerSlide {
    0% { opacity: 0; transform: translate(-50%, -50%) scale(0.5); }
    20% { opacity: 1; transform: translate(-50%, -50%) scale(1.05); }
    80% { opacity: 1; transform: translate(-50%, -50%) scale(1); }
    100% { opacity: 0; transform: translate(-50%, -50%) scale(1); }
}

/* SCREEN OVERLAY */
#screen-overlay {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0,0,0,0.85);
    z-index: 50;
    display: flex; align-items: center; justify-content: center;
}

/* MENU SCREEN */
#menu-screen {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    z-index: 100;
    display: flex; flex-direction: column;
    align-items: center; justify-content: center;
    background: radial-gradient(ellipse at center, var(--bg-secondary), var(--bg-dark));
}
.menu-title {
    font-family: var(--font-main);
    font-weight: 700;
    font-size: 42px;
    letter-spacing: 6px;
    background: linear-gradient(135deg, var(--cyan), var(--magenta), var(--amber));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
}
.menu-subtitle {
    font-family: var(--font-mono);
    font-size: 14px;
    color: var(--text-dim);
    letter-spacing: 3px;
    margin-bottom: 40px;
}
.menu-btn {
    font-family: var(--font-main);
    font-weight: 600;
    font-size: 16px;
    letter-spacing: 3px;
    padding: 14px 48px;
    margin: 8px;
    border: 2px solid var(--cyan);
    background: transparent;
    color: var(--cyan);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s;
}
.menu-btn:hover {
    background: var(--cyan);
    color: var(--bg-dark);
    box-shadow: 0 0 24px rgba(0,245,212,0.3);
}
.menu-btn.secondary { border-color: var(--text-dim); color: var(--text-dim); }
.menu-btn.secondary:hover { background: var(--text-dim); color: var(--bg-dark); }

/* TOAST */
#toast-container {
    position: fixed;
    top: 60px; right: 16px;
    z-index: 200;
    display: flex; flex-direction: column; gap: 8px;
}
.toast {
    padding: 10px 18px;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 1px;
    border-left: 4px solid var(--amber);
    background: rgba(15,52,96,0.95);
    color: var(--text);
    animation: toastIn 0.4s ease, toastOut 0.4s ease 2.6s forwards;
    backdrop-filter: blur(8px);
}
@keyframes toastIn { from { transform: translateX(100%); opacity: 0; } to { transform: translateX(0); opacity: 1; } }
@keyframes toastOut { to { transform: translateX(100%); opacity: 0; } }

/* REWARD SCREEN */
.reward-screen {
    display: flex; flex-direction: column; align-items: center;
    gap: 16px; padding: 24px;
}
.reward-title {
    font-size: 24px; font-weight: 700;
    color: var(--amber); letter-spacing: 3px;
}
.reward-cards { display: flex; gap: 16px; flex-wrap: wrap; justify-content: center; }
.reward-card {
    width: 140px; height: 190px;
    border: 2px solid rgba(255,255,255,0.2);
    border-radius: 10px;
    padding: 12px;
    background: var(--bg-card);
    cursor: pointer;
    transition: all 0.2s;
    display: flex; flex-direction: column; align-items: center;
    text-align: center;
}
.reward-card:hover {
    transform: translateY(-8px);
    border-color: var(--amber);
    box-shadow: 0 8px 24px rgba(252,163,17,0.3);
}
.reward-card .card-icon { width: 56px; height: 56px; font-size: 32px; margin-bottom: 8px; }
.reward-card .card-name { font-size: 13px; margin-bottom: 4px; }
.reward-card .card-desc { font-size: 10px; }
.reward-card .card-value { font-size: 14px; }

/* CAMPAIGN MAP */
.campaign-screen { padding: 24px; max-width: 600px; }
.campaign-title { font-size: 20px; font-weight: 700; color: var(--cyan); letter-spacing: 3px; margin-bottom: 20px; text-align: center; }
.campaign-nodes { display: flex; flex-direction: column; align-items: center; gap: 4px; }
.campaign-node {
    width: 200px; padding: 12px;
    border: 2px solid rgba(255,255,255,0.15);
    border-radius: 8px;
    text-align: center;
    font-size: 13px;
    transition: all 0.2s;
    cursor: default;
    background: rgba(0,0,0,0.3);
}
.campaign-node.current { border-color: var(--cyan); box-shadow: 0 0 16px rgba(0,245,212,0.3); cursor: pointer; }
.campaign-node.completed { border-color: var(--emerald); opacity: 0.6; }
.campaign-node.locked { opacity: 0.3; }
.campaign-connector { width: 2px; height: 16px; background: rgba(255,255,255,0.15); }
.node-type { font-size: 18px; margin-bottom: 4px; }
.node-label { font-weight: 600; letter-spacing: 1px; }

/* ACHIEVEMENT PANEL */
.achievements-screen { padding: 20px; max-width: 500px; max-height: 70vh; overflow-y: auto; }
.achievements-title { font-size: 20px; font-weight: 700; color: var(--amber); letter-spacing: 3px; margin-bottom: 16px; text-align: center; }
.achievement-grid { display: flex; flex-direction: column; gap: 8px; }
.achievement-tile {
    display: flex; align-items: center; gap: 12px;
    padding: 10px 14px;
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 8px;
    background: rgba(0,0,0,0.3);
}
.achievement-tile.unlocked { border-color: rgba(252,163,17,0.5); background: rgba(252,163,17,0.05); }
.achievement-icon { font-size: 28px; width: 40px; text-align: center; }
.achievement-info { flex: 1; }
.achievement-name { font-weight: 600; font-size: 13px; }
.achievement-desc { font-size: 10px; color: var(--text-dim); margin-top: 2px; }
.achievement-progress { margin-top: 4px; height: 4px; background: rgba(255,255,255,0.1); border-radius: 2px; overflow: hidden; }
.achievement-progress-fill { height: 100%; background: var(--amber); border-radius: 2px; transition: width 0.3s; }

.close-btn {
    font-family: var(--font-main);
    font-weight: 600; font-size: 13px;
    letter-spacing: 2px;
    padding: 10px 32px;
    margin-top: 16px;
    border: 1px solid var(--text-dim);
    background: transparent;
    color: var(--text);
    border-radius: 6px;
    cursor: pointer;
    display: block;
    margin-left: auto; margin-right: auto;
}
.close-btn:hover { border-color: var(--cyan); color: var(--cyan); }

/* FOOTER */
#app-footer {
    text-align: center;
    padding: 4px;
    flex-shrink: 0;
}
#app-footer a {
    font-family: var(--font-mono);
    font-size: 10px;
    color: var(--cyan);
    text-decoration: none;
    opacity: 0.5;
    transition: opacity 0.2s;
}
#app-footer a:hover { opacity: 1; }

/* RESPONSIVE */
@media (max-width: 768px) {
    #turn-order-sidebar { width: 50px; }
    .turn-order-unit { width: 38px; height: 38px; font-size: 16px; }
    #unit-info-sidebar { display: none !important; }
    .card { width: 90px; min-width: 90px; height: 130px; }
    .card-icon { width: 36px; height: 36px; font-size: 22px; }
    .card-name { font-size: 9px; }
    .card-desc { font-size: 8px; }
    .menu-title { font-size: 24px; }
    #wave-indicator { font-size: 10px; }
}

@media (max-width: 480px) {
    #turn-order-sidebar { width: 40px; padding: 4px 2px; }
    .turn-order-unit { width: 32px; height: 32px; font-size: 14px; }
    #top-bar { padding: 4px 8px; }
    .card { width: 80px; min-width: 80px; height: 115px; padding: 4px; }
    .card-icon { width: 30px; height: 30px; font-size: 18px; }
    #btn-end-turn { padding: 6px 20px; font-size: 11px; }
}