/* MBattle - Main Stylesheet */

:root {
    /* Colors */
    --color-bg-primary: #1a1a2e;
    --color-bg-secondary: #16213e;
    --color-bg-card: #0f3460;
    --color-accent: #e94560;
    --color-accent-hover: #ff6b81;
    --color-text-primary: #ffffff;
    --color-text-secondary: #a0a0a0;
    --color-success: #00d26a;
    --color-warning: #ffc107;
    --color-danger: #ff4757;

    /* Element colors */
    --color-fire: #ff6b35;
    --color-ice: #00d4ff;
    --color-nature: #00b894;
    --color-lightning: #f9ca24;

    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;

    /* Border radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-full: 50%;

    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.4);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 300ms ease;

    /* Touch target minimum */
    --touch-min: 44px;
}

/* Reset */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html, body {
    height: 100%;
    margin: 0;
    padding: 0;
    overflow: hidden;
}

html {
    font-size: 16px;
    -webkit-tap-highlight-color: transparent;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background: #0a0a12;
    color: var(--color-text-primary);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overscroll-behavior-y: contain;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Mobile-like container - keeps phone proportions on desktop */
#app {
    width: 100%;
    height: 100%;
    max-width: 480px;
    max-height: 100%;
    display: flex;
    flex-direction: column;
    background: var(--color-bg-primary);
    overflow: hidden;
    position: relative;
}

/* On landscape/desktop: show phone frame */
@media (min-aspect-ratio: 1/1) and (min-width: 600px) {
    #app {
        max-height: 90vh;
        border-radius: 24px;
        box-shadow: 0 0 60px rgba(0, 0, 0, 0.5);
    }
}

/* Full height screen base */
.screen {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: var(--spacing-md);
    overflow: hidden;
    min-height: 0;
}

/* Loading Screen */
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-primary);
    z-index: 9999;
}

.loading-spinner {
    width: 48px;
    height: 48px;
    border: 4px solid var(--color-bg-card);
    border-top-color: var(--color-accent);
    border-radius: var(--radius-full);
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.loading-screen p {
    margin-top: var(--spacing-md);
    color: var(--color-text-secondary);
}

/* Button Base */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: var(--touch-min);
    min-width: var(--touch-min);
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    touch-action: manipulation;
}

.btn-primary {
    background: var(--color-accent);
    color: var(--color-text-primary);
}

.btn-primary:hover, .btn-primary:focus {
    background: var(--color-accent-hover);
}

.btn-primary:active {
    transform: scale(0.98);
}

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

.btn-secondary:hover, .btn-secondary:focus {
    background: var(--color-bg-secondary);
}

/* Input Fields */
.input {
    width: 100%;
    min-height: var(--touch-min);
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 1rem;
    color: var(--color-text-primary);
    background: var(--color-bg-secondary);
    border: 2px solid var(--color-bg-card);
    border-radius: var(--radius-md);
    transition: border-color var(--transition-fast);
}

.input:focus {
    outline: none;
    border-color: var(--color-accent);
}

.input::placeholder {
    color: var(--color-text-secondary);
}

/* Card */
.card {
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-md);
}

/* Health Bar */
.health-bar {
    height: 20px;
    background: var(--color-bg-secondary);
    border-radius: var(--radius-sm);
    overflow: hidden;
    position: relative;
}

.health-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--color-danger), var(--color-success));
    transition: width var(--transition-normal);
}

.health-bar-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 0.75rem;
    font-weight: 700;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
}

/* Element Colors for Skills */
.element-fire { color: var(--color-fire); }
.element-ice { color: var(--color-ice); }
.element-nature { color: var(--color-nature); }
.element-lightning { color: var(--color-lightning); }

.bg-fire { background: var(--color-fire); }
.bg-ice { background: var(--color-ice); }
.bg-nature { background: var(--color-nature); }
.bg-lightning { background: var(--color-lightning); }

/* Gesture Canvas Container */
.gesture-area {
    position: relative;
    width: 100%;
    flex: 1;
    min-height: 0;
    background: var(--color-bg-secondary);
    border-radius: var(--radius-lg);
    touch-action: none;
    overflow: hidden;
}

.gesture-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    touch-action: none;
}

.gesture-trail {
    pointer-events: none;
}

/* Battle Arena Layout */
.battle-arena {
    display: grid;
    grid-template-rows: auto 1fr auto;
    min-height: 100vh;
    padding: var(--spacing-md);
    gap: var(--spacing-md);
}

.battle-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.battle-main {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.battle-footer {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-sm);
}

/* Skill Button */
.skill-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 64px;
    padding: var(--spacing-sm);
    background: var(--color-bg-card);
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.skill-btn:hover {
    border-color: var(--color-accent);
}

.skill-btn.active,
.skill-select.active {
    border-color: var(--color-accent);
    background: rgba(233, 69, 96, 0.2);
}

.skill-btn.on-cooldown {
    opacity: 0.5;
    cursor: not-allowed;
}

.skill-icon {
    width: 32px;
    height: 32px;
    margin-bottom: var(--spacing-xs);
}

.skill-name {
    font-size: 0.75rem;
    text-align: center;
}

/* Mage Avatar */
.mage-avatar {
    width: 80px;
    height: 80px;
    border-radius: var(--radius-full);
    border: 3px solid var(--color-bg-card);
    overflow: hidden;
}

.mage-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Player Info */
.player-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.player-stats {
    flex: 1;
}

.player-name {
    font-weight: 600;
    font-size: 0.9rem;
}

.player-level {
    font-size: 0.75rem;
    color: var(--color-text-secondary);
}

/* Animations */
@keyframes pulse {
    0%, 100% { opacity: 1; transform: translate(-50%, -50%) scale(1); }
    50% { opacity: 0.8; transform: translate(-50%, -50%) scale(1.15); }
}

@keyframes skill-success {
    0% { transform: scale(0.5); opacity: 0; }
    50% { transform: scale(1.2); opacity: 1; }
    100% { transform: scale(1); opacity: 1; }
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

@keyframes damage-flash {
    0%, 100% { filter: none; }
    50% { filter: brightness(2) saturate(0); }
}

.animate-pulse { animation: pulse 2s infinite; }
.animate-shake { animation: shake 0.3s; }
.animate-damage { animation: damage-flash 0.2s; }

/* Utility Classes */
.hidden { display: none !important; }
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-sm { gap: var(--spacing-sm); }
.gap-md { gap: var(--spacing-md); }
.text-center { text-align: center; }
.w-full { width: 100%; }
.mt-md { margin-top: var(--spacing-md); }
.mb-md { margin-bottom: var(--spacing-md); }

/* Battle arena already contained by #app max-width */