/* FuturY Design System - Base Styles & Utilities */

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

/* === Base === */
body {
    font-family: var(--font-family);
    background: var(--color-bg-body);
    color: var(--color-text-primary);
    overflow: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

button {
    font-family: inherit;
    cursor: pointer;
}

/* === Scrollbar === */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.2);
}

::-webkit-scrollbar-thumb {
    background: var(--color-accent);
    border-radius: var(--border-radius-sm);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-accent-hover);
}

/* Firefox scrollbar */
* {
    scrollbar-width: thin;
    scrollbar-color: var(--color-accent) rgba(0, 0, 0, 0.2);
}

/* === Utility: Visibility === */
.hidden {
    opacity: 0;
    pointer-events: none;
}

.display-none {
    display: none !important;
}

/* === Utility: Layout === */
.flex-center {
    display: flex;
    justify-content: center;
    align-items: center;
}

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

.flex-col {
    display: flex;
    flex-direction: column;
}

/* === Glass Panel === */
.glass-panel {
    background: var(--glass-bg);
    border: var(--border-accent);
    border-radius: var(--border-radius-xl);
    padding: var(--space-xl);
}

.glass-panel-heavy {
    background: var(--glass-bg-heavy);
    border: var(--border-accent);
    border-radius: var(--border-radius-xl);
    padding: var(--space-xl);
}

/* === Animations === */
@keyframes floatUp {
    0% {
        opacity: 1;
        transform: translateY(0);
    }
    100% {
        opacity: 0;
        transform: translateY(-40px);
    }
}

@keyframes slideIn {
    from {
        transform: translateX(400px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideInLeft {
    from {
        transform: translateX(-100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes countdown-pulse {
    0%, 100% { transform: scale(1); opacity: 0.9; }
    50% { transform: scale(1.15); opacity: 1; }
}

@keyframes launch-flash {
    0% { transform: scale(1); opacity: 1; color: var(--color-accent); }
    30% { transform: scale(1.4); opacity: 1; color: #ff6b35; }
    60% { transform: scale(1.8); opacity: 0.8; color: #ffd700; }
    100% { transform: scale(2.5); opacity: 0; }
}

/* === Common Component: Button === */
.btn-accent {
    background: var(--color-accent-dim);
    border: 1px solid var(--color-accent);
    color: var(--color-accent);
    padding: var(--space-sm) var(--space-xl);
    border-radius: var(--border-radius-md);
    font-size: var(--font-size-md);
    transition: all var(--transition-base);
}

.btn-accent:hover {
    background: var(--color-accent-glow);
    transform: translateY(-2px);
}

.btn-accent.active {
    background: var(--color-accent);
    color: #000;
}

.btn-primary {
    width: 100%;
    padding: var(--space-sm);
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-blue));
    border: none;
    border-radius: var(--border-radius-md);
    color: white;
    font-weight: bold;
    transition: all var(--transition-base);
}

.btn-primary:hover:not(:disabled) {
    transform: translateY(-1px);
    box-shadow: var(--shadow-card-hover);
}

.btn-primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    background: #4a5568;
}

/* === Common Component: Progress Bar === */
.progress-bar {
    width: 100%;
    height: 6px;
    background: rgba(0, 0, 0, 0.5);
    border-radius: var(--border-radius-sm);
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--color-accent), var(--color-accent-blue));
    transition: width var(--transition-slow);
}

/* === Common Component: Resource Change Floater === */
.resource-change {
    position: fixed;
    font-size: var(--font-size-xl);
    font-weight: bold;
    pointer-events: none;
    z-index: var(--z-resource-change);
    animation: floatUp 1.5s ease-out forwards;
}

.resource-change.positive {
    color: var(--color-success);
}

.resource-change.negative {
    color: var(--color-error);
}