/* css/main.css */

/* ==========================================================================
   MAIN ARCHITECTURE BRIDGE
   ========================================================================== */

/* 1. BASE LAYER - Core settings and DNA */
@import 'base/variables.css';
@import 'base/reset.css';
@import 'base/responsive.css';

/* 2. COMPONENT LAYER - Reusable UI elements */
@import 'components/buttons.css';
@import 'components/windows.css';
@import 'components/forms.css';
@import 'components/tooltips.css';
@import 'components/player_stats.css';

/* 3. LAYOUT LAYER - Permanent HUD elements */
@import 'layout/topbar.css';
/* @import 'layout/sidebar.css'; REMOVED */
@import 'layout/bottom-bar.css';
@import 'layout/hud.css';
@import 'layout/shop.css';

/* 4. ENTITY LAYER - Unit-specific visuals */
@import 'entities/towers.css';
@import 'entities/enemies.css';
@import 'entities/projectiles.css';

/* 5. SCREEN LAYER - Full-screen overlays */
@import 'screens/boot.css';
@import 'screens/menu.css';
@import 'screens/pause.css';
@import 'screens/deployment.css';
@import 'screens/game-over.css';
@import 'screens/store.css';
@import 'screens/inventory.css';
/* @import 'screens/map-select.css'; // Uncomment when you add this file */

:root {
    --neon-blue: #00f3ff;
    --neon-pink: #ff00ff;
    --bg-color: #050505;
    --glass-bg: rgba(10, 20, 30, 0.8);
}

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

body {
    background-color: var(--bg-color);
    font-family: 'Orbitron', sans-serif;
    overflow: hidden;
    color: white;
    touch-action: none;
    /* Disables all browser-handled touch actions like pinch-zoom */
    user-select: none;
    /* Prevents highlighting text while clicking fast */
    overscroll-behavior: none;
    /* Prevents the 'bounce' effect at page edges */
}

#game-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    background-color: #000;
}

#ui-layer {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 10;
    pointer-events: none;
}

.hidden {
    display: none !important;
}

/* --- FIXING THE BOOT SCREEN --- */
#boot-screen {
    position: fixed;
    /* Must be fixed to cover everything */
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: #000;
    /* Solid black background */
    z-index: 9999;
    /* Sit on top of everything */

    display: flex;
    justify-content: center;
    align-items: center;

    transition: opacity 1s ease, visibility 1s;
    opacity: 1;
    visibility: visible;
}

#boot-screen.fade-out {
    opacity: 0;
    visibility: hidden;
}

/* --- ENHANCED TRANSITION LAYER --- */
#transition-layer {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 999999;
    pointer-events: none;
    display: flex;
    justify-content: center;
    align-items: center;
}

.shutter-top,
.shutter-bottom {
    z-index: 10;
    position: absolute;
    left: 0;
    width: 100%;
    height: 50%;
    background: #05070d;
    overflow: hidden;
    transition: transform 0.6s cubic-bezier(0.85, 0, 0.15, 1);
}

.shutter-top {
    top: 0;
    border-bottom: 2px solid var(--neon-blue);
    transform: translateY(-100%);
}

.shutter-bottom {
    bottom: 0;
    border-top: 2px solid var(--neon-blue);
    transform: translateY(100%);
}

/* Holographic Grid on Shutters */
.shutter-grid {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image:
        linear-gradient(rgba(0, 243, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 243, 255, 0.03) 1px, transparent 1px);
    background-size: 40px 40px;
    opacity: 0.5;
}

/* Scanner Beam */
.scanner-beam {
    position: absolute;
    z-index: 15;
    width: 100%;
    height: 4px;
    background: var(--neon-blue);
    box-shadow: 0 0 20px var(--neon-blue), 0 0 40px var(--neon-blue);
    top: 0;
    opacity: 0;
    transform: translateY(-100vh);
}

@keyframes laser-scan {
    0% {
        transform: translateY(-10vh);
        opacity: 0;
    }

    10% {
        opacity: 1;
    }

    90% {
        opacity: 1;
    }

    100% {
        transform: translateY(100vh);
        opacity: 0;
    }
}

/* Transition Text & Content */
.transition-content {
    position: relative;
    z-index: 20;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    opacity: 0;
    transform: scale(1.1);
    transition: all 0.4s ease-out 0.2s;
}

.transition-text {
    color: var(--neon-blue);
    font-size: 2.2rem;
    letter-spacing: 10px;
    font-weight: 900;
    text-shadow: 0 0 20px rgba(0, 243, 255, 0.6);
}

/* Glitch Effect */
.transition-text::after {
    content: attr(data-text);
    position: absolute;
    left: 2px;
    text-shadow: -2px 0 #ff0055;
    background: transparent;
    overflow: hidden;
    clip-path: inset(0 0 0 0);
    animation: text-glitch 2s infinite linear alternate-reverse;
}

@keyframes text-glitch {
    0% {
        clip-path: inset(40% 0 61% 0);
    }

    20% {
        clip-path: inset(92% 0 1% 0);
    }

    40% {
        clip-path: inset(43% 0 1% 0);
    }

    60% {
        clip-path: inset(25% 0 58% 0);
    }

    80% {
        clip-path: inset(54% 0 7% 0);
    }

    100% {
        clip-path: inset(58% 0 43% 0);
    }
}

/* Progress Bar */
.link-progress-wrap {
    width: 400px;
    height: 4px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 2px;
    overflow: hidden;
    border: 1px solid rgba(0, 243, 255, 0.2);
}

.link-progress-bar {
    width: 0%;
    height: 100%;
    background: var(--neon-blue);
    box-shadow: 0 0 15px var(--neon-blue);
}

@keyframes progress-fill {
    0% {
        width: 0%;
    }

    100% {
        width: 100%;
    }
}

.transition-subtext {
    font-size: 0.8rem;
    color: var(--neon-blue);
    opacity: 0.6;
    letter-spacing: 4px;
    animation: pulse 1s infinite alternate;
}

/* Active State Trigger */
#transition-layer.active {
    pointer-events: auto;
    /* BLOCKS clicks when active */
}

#transition-layer.active .shutter-top,
#transition-layer.active .shutter-bottom {
    transform: translateY(0);
}

#transition-layer.active .transition-content {
    opacity: 1;
    transform: scale(1);
}

#transition-layer.active .link-progress-bar {
    animation: progress-fill 1.5s ease-in-out forwards;
}

#transition-layer.active .scanner-beam {
    animation: laser-scan 1.2s ease-in-out infinite;
}

/* --- RETREAT THEME (RED/AMBER) --- */
#transition-layer.retreat .shutter-top,
#transition-layer.retreat .shutter-bottom {
    border-color: #ff3c00;
}

#transition-layer.retreat .scanner-beam {
    background: #ff3c00;
    box-shadow: 0 0 20px #ff3c00, 0 0 40px #ff3c00;
    animation-duration: 0.6s;
    /* Faster, more frantic scan */
}

#transition-layer.retreat .transition-text {
    color: #ff9d00;
    text-shadow: 0 0 20px rgba(255, 100, 0, 0.6);
}

#transition-layer.retreat .link-progress-bar {
    background: #ff3c00;
    box-shadow: 0 0 15px #ff3c00;
}

#transition-layer.retreat .transition-subtext {
    color: #ff3c00;
}

#transition-layer.retreat .shutter-grid {
    background-image:
        linear-gradient(rgba(255, 60, 0, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 60, 0, 0.05) 1px, transparent 1px);
}