/*
  ═══════════════════════════════════════════════════════════
  FUTURISTIC FEATURES CSS
  ═══════════════════════════════════════════════════════════
  Styles for: cursor, neural grid, tooltips, achievements, glitch effects
*/

:root {
    --animation-play-state: running;
}

/* ═══════ CUSTOM CURSOR ═══════ */
.custom-cursor {
    position: fixed;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent, #ff3b78);
    pointer-events: none;
    z-index: 10000;
    mix-blend-mode: difference;
    transition: width 0.2s ease, height 0.2s ease;
}

.custom-cursor.hovering {
    width: 30px;
    height: 30px;
    background: transparent;
    border: 2px solid var(--accent, #ff3b78);
}

.cursor-glow {
    position: fixed;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: radial-gradient(circle, var(--accent, #ff3b78) 0%, transparent 70%);
    pointer-events: none;
    z-index: 9999;
    opacity: 0.3;
    mix-blend-mode: screen;
    transform: translate(-50%, -50%);
    transition: width 0.3s ease, height 0.3s ease, opacity 0.3s ease;
}

.cursor-glow.hovering {
    width: 80px;
    height: 80px;
    opacity: 0.5;
}

.click-ripple {
    position: fixed;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    border: 2px solid var(--accent, #ff3b78);
    pointer-events: none;
    z-index: 9998;
    transform: translate(-50%, -50%);
    animation: ripple-expand 0.8s cubic-bezier(0, 0, 0.2, 1) forwards;
}

@keyframes ripple-expand {
    0% {
        width: 10px;
        height: 10px;
        opacity: 1;
    }

    100% {
        width: 100px;
        height: 100px;
        opacity: 0;
    }
}

/* ═══════ HUD TOOLTIPS ═══════ */
.hud-tooltip {
    position: fixed;
    background: rgba(8, 13, 38, 0.95);
    border: 1px solid var(--accent, #ff3b78);
    border-radius: 8px;
    padding: 8px 12px;
    font-size: 0.85rem;
    color: var(--text, #e9f0ff);
    pointer-events: none;
    z-index: 10001;
    opacity: 0;
    transform: translateY(-5px);
    transition: opacity 0.2s ease, transform 0.2s ease;
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5), 0 0 20px rgba(var(--accent-rgb, 255, 59, 120), 0.2);
}

.hud-tooltip.show {
    opacity: 1;
    transform: translateY(0);
}

.tooltip-text {
    font-weight: 500;
}

.tooltip-shortcut {
    margin-top: 4px;
    padding: 2px 6px;
    background: var(--accent, #ff3b78);
    color: var(--bg, #020419);
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
    display: inline-block;
}

/* ═══════ HELP BUTTON ═══════ */
.hud-help-btn {
    position: fixed;
    bottom: 2rem;
    left: 2rem;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--accent, #ff3b78);
    color: var(--bg, #020419);
    border: none;
    font-size: 1.2rem;
    font-weight: bold;
    cursor: pointer;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    box-shadow: 0 4px 15px rgba(var(--accent-rgb, 255, 59, 120), 0.4);
}

.hud-help-btn:hover {
    transform: scale(1.1) rotate(15deg);
    box-shadow: 0 6px 25px rgba(var(--accent-rgb, 255, 59, 120), 0.6);
}

/* ═══════ HELP MODAL ═══════ */
.hud-help-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
    z-index: 10002;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.hud-help-modal.show {
    opacity: 1;
}

.help-modal-content {
    background: var(--card, #080d26);
    border: 2px solid var(--accent, #ff3b78);
    border-radius: 16px;
    padding: 2rem;
    max-width: 500px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
    position: relative;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5), 0 0 40px rgba(var(--accent-rgb, 255, 59, 120), 0.3);
}

.help-modal-content h2 {
    margin: 0 0 1.5rem;
    color: var(--accent, #ff3b78);
    font-size: 1.8rem;
}

.help-close-btn {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--bg-soft, #0a1030);
    border: 1px solid var(--line, #1b2452);
    color: var(--text, #e9f0ff);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.help-close-btn:hover {
    background: var(--accent, #ff3b78);
    transform: rotate(90deg);
}

.shortcuts-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.shortcut-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem;
    background: var(--bg-soft, #0a1030);
    border-radius: 8px;
    border: 1px solid var(--line, #1b2452);
}

.shortcut-item kbd {
    padding: 4px 8px;
    background: var(--accent, #ff3b78);
    color: var(--bg, #020419);
    border-radius: 4px;
    font-size: 0.85rem;
    font-weight: 600;
    font-family: 'Courier New', monospace;
}

.help-footer {
    margin-top: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid var(--line, #1b2452);
    text-align: center;
    color: var(--muted, #9cabcc);
    font-size: 0.85rem;
}

/* ═══════ ACHIEVEMENT NOTIFICATIONS ═══════ */
.achievement-notification {
    position: fixed;
    top: 2rem;
    right: -400px;
    width: 350px;
    background: linear-gradient(135deg, var(--card, #080d26), var(--bg-soft, #0a1030));
    border: 2px solid var(--accent, #ff3b78);
    border-radius: 12px;
    padding: 1rem;
    display: flex;
    gap: 1rem;
    align-items: center;
    z-index: 10003;
    transition: right 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5), 0 0 30px rgba(var(--accent-rgb, 255, 59, 120), 0.4);
    animation: achievement-glow 2s ease-in-out infinite;
}

.achievement-notification.show {
    right: 2rem;
}

@keyframes achievement-glow {

    0%,
    100% {
        box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5), 0 0 30px rgba(var(--accent-rgb, 255, 59, 120), 0.4);
    }

    50% {
        box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5), 0 0 50px rgba(var(--accent-rgb, 255, 59, 120), 0.6);
    }
}

.achievement-icon {
    font-size: 3rem;
    flex-shrink: 0;
    animation: achievement-bounce 0.6s ease-in-out;
}

@keyframes achievement-bounce {

    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.2);
    }
}

.achievement-content {
    flex: 1;
}

.achievement-title {
    font-size: 0.75rem;
    color: var(--accent, #ff3b78);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.achievement-name {
    font-size: 1.1rem;
    color: var(--text, #e9f0ff);
    font-weight: 700;
    margin: 0.25rem 0;
}

.achievement-desc {
    font-size: 0.85rem;
    color: var(--muted, #9cabcc);
}

/* ═══════ HUD TOAST ═══════ */
.hud-toast {
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: rgba(8, 13, 38, 0.95);
    border: 1px solid var(--accent, #ff3b78);
    border-radius: 8px;
    padding: 0.75rem 1.5rem;
    color: var(--text, #e9f0ff);
    font-weight: 500;
    z-index: 10001;
    backdrop-filter: blur(10px);
    opacity: 0;
    transition: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.hud-toast.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

/* ═══════ GLITCH EFFECTS ═══════ */
.glitch-active {
    animation: glitch-anim 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94) both;
}

@keyframes glitch-anim {
    0% {
        transform: translate(0);
    }

    20% {
        transform: translate(-2px, 2px);
        filter: hue-rotate(0deg);
    }

    40% {
        transform: translate(-2px, -2px);
        filter: hue-rotate(180deg);
    }

    60% {
        transform: translate(2px, 2px);
        filter: hue-rotate(90deg);
    }

    80% {
        transform: translate(2px, -2px);
        filter: hue-rotate(270deg);
    }

    100% {
        transform: translate(0);
        filter: hue-rotate(0deg);
    }
}

/* RGB Split Effect */
.glitch-active::before,
.glitch-active::after {
    content: attr(data-text);
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
}

.glitch-active::before {
    animation: glitch-rgb-before 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94) both;
    color: rgba(255, 0, 0, 0.7);
}

.glitch-active::after {
    animation: glitch-rgb-after 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94) both;
    color: rgba(0, 255, 255, 0.7);
}

@keyframes glitch-rgb-before {

    0%,
    100% {
        transform: translate(0);
    }

    33% {
        transform: translate(-2px, 0);
    }

    66% {
        transform: translate(2px, 0);
    }
}

@keyframes glitch-rgb-after {

    0%,
    100% {
        transform: translate(0);
    }

    33% {
        transform: translate(2px, 0);
    }

    66% {
        transform: translate(-2px, 0);
    }
}

/* ═══════ MOBILE RESPONSIVENESS ═══════ */
@media (max-width: 768px) {

    .custom-cursor,
    .cursor-glow,
    .click-ripple {
        display: none;
    }

    .achievement-notification {
        width: calc(100% - 2rem);
        right: -100%;
    }

    .achievement-notification.show {
        right: 1rem;
    }

    .hud-help-btn {
        bottom: 6rem;
        left: 1rem;
    }
}

/* Respect reduced motion */
@media (prefers-reduced-motion: reduce) {

    .custom-cursor,
    .cursor-glow,
    .click-ripple,
    .glitch-active {
        animation: none !important;
        transition: none !important;
    }
}