/* Custom CSS styles for the Crowdsourced Decision Maker app - Black & White Theme */

:root {
    --primary-color: #000000;
    --secondary-color: #333333;
    --accent-color: #808080;
    --text-color: #ffffff;
    --background-dark: #121212;
    --background-light: #1e1e1e;
    --border-color: #404040;
    --highlight-color: #ffffff;
}

.animated-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
    pointer-events: none;
}

.shape {
    position: absolute;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 50%;
    filter: blur(60px);
    transition: transform 3s cubic-bezier(0.25, 0.1, 0.25, 1);
}

.shape-1 {
    top: 15%;
    left: 10%;
    width: 400px;
    height: 400px;
    animation: float-slow 15s infinite alternate;
}

.shape-2 {
    bottom: 10%;
    right: 10%;
    width: 300px;
    height: 300px;
    animation: float-slow 10s infinite alternate-reverse;
}

.shape-3 {
    top: 50%;
    left: 60%;
    width: 200px;
    height: 200px;
    animation: float-slow 12s infinite alternate;
}

.shape-4 {
    bottom: 30%;
    left: 30%;
    width: 250px;
    height: 250px;
    animation: float-slow 8s infinite alternate-reverse;
}

@keyframes float-slow {
    0% {
        transform: translate(0, 0);
        opacity: 0.02;
    }
    50% {
        opacity: 0.05;
    }
    100% {
        transform: translate(50px, 30px);
        opacity: 0.03;
    }
}

.navbar-brand .brand-text {
    font-weight: 700;
    letter-spacing: 1px;
}

.nav-link {
    position: relative;
    transition: all 0.3s ease;
    padding: 0.5rem 1rem;
    margin: 0 0.2rem;
    border-radius: 4px;
}

.nav-link:hover {
    background-color: rgba(255, 255, 255, 0.05);
    transform: translateY(-2px);
}

.nav-link.active {
    background-color: rgba(255, 255, 255, 0.1);
    font-weight: bold;
}

.nav-indicator {
    display: inline-block;
    margin-right: 5px;
    color: var(--highlight-color);
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.footer-icons {
    display: flex;
    gap: 1.5rem;
}

@keyframes pulse {
    0% {
        transform: scale(1);
        opacity: 0.8;
    }
    50% {
        transform: scale(1.2);
        opacity: 1;
    }
    100% {
        transform: scale(1);
        opacity: 0.8;
    }
}

.icon-pulse {
    font-size: 1.3rem;
    animation: pulse 2s infinite;
    animation-delay: calc(var(--i) * 0.3s);
}

.footer-icons i:nth-child(1) {
    --i: 0;
}

.footer-icons i:nth-child(2) {
    --i: 1;
}

.footer-icons i:nth-child(3) {
    --i: 2;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
}

.social-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-color);
    font-size: 1.2rem;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.social-link:hover {
    transform: translateY(-3px);
    background: rgba(255, 255, 255, 0.2);
    color: var(--highlight-color);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.social-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: all 0.5s ease;
}

.social-link:hover::before {
    left: 100%;
}

.social-share-buttons {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
    margin-top: 15px;
}

.social-share-btn {
    padding: 0.5rem;
    transition: all 0.3s ease;
}

.social-share-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

@media (max-width: 576px) {
    .social-share-buttons {
        grid-template-columns: 1fr;
    }
}

html, body {
    height: 100%;
    min-height: 100vh;
    background-color: var(--background-dark);
    color: var(--text-color);
}

body {
    display: flex;
    flex-direction: column;
}

main {
    flex: 1 0 auto;
}

footer {
    flex-shrink: 0;
    background: linear-gradient(to right, #000000, #333333) !important;
    box-shadow: 0 -5px 15px rgba(0, 0, 0, 0.2);
}

.navbar {
    background: linear-gradient(to right, #000000, #222222) !important;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
}

.card {
    background-color: var(--background-light);
    border: 1px solid var(--border-color);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275),
                box-shadow 0.3s ease;
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(
        to bottom right,
        rgba(255, 255, 255, 0.05),
        transparent,
        rgba(255, 255, 255, 0.03)
    );
    transform: rotate(30deg);
    pointer-events: none;
}

.card:hover {
    transform: translateY(-7px) scale(1.01);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
}

.card:hover::before {
    animation: shine 1.5s ease-in-out;
}

@keyframes shine {
    from {
        transform: translateX(-100%) rotate(30deg);
    }
    to {
        transform: translateX(100%) rotate(30deg);
    }
}

.card-header {
    background-color: rgba(0, 0, 0, 0.3);
    border-bottom: 1px solid var(--border-color);
}

.btn-primary {
    background: linear-gradient(45deg, #000000, #333333);
    border: none;
    position: relative;
    overflow: hidden;
    z-index: 1;
    transition: all 0.3s ease;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: all 0.5s ease;
    z-index: -1;
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-outline-secondary {
    border-color: var(--accent-color);
    color: var(--text-color);
}

.btn-outline-secondary:hover {
    background-color: var(--accent-color);
    color: var(--background-dark);
}

.list-group-item {
    background-color: var(--background-light);
    border-color: var(--border-color);
    transition: all 0.3s ease;
}

.list-group-item:hover {
    background-color: rgba(255, 255, 255, 0.05);
    transform: translateX(5px);
}

.progress {
    background-color: rgba(255, 255, 255, 0.1);
    height: 30px;
    border-radius: 5px;
    overflow: hidden;
    box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.2);
}

.progress-bar {
    background: linear-gradient(90deg, #000000, #333333, #666666);
    background-size: 200% 100%;
    animation: gradient-shift 3s ease infinite, width-expand 1s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.6);
}

@keyframes gradient-shift {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

@keyframes width-expand {
    from {
        width: 0;
    }
}

#shareUrl {
    background-color: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
    color: var(--text-color);
    cursor: pointer;
}

.option-entry {
    position: relative;
    transition: all 0.3s ease;
}

.option-entry:hover {
    transform: translateX(5px);
}

.chart-container {
    margin: 0 auto;
    max-width: 100%;
    filter: drop-shadow(0 5px 10px rgba(0, 0, 0, 0.4));
}

.loadingIndicator {
    perspective: 800px;
}

@keyframes pulse-shadow {
    0% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(255, 255, 255, 0.2);
    }
    70% {
        transform: scale(1.05);
        box-shadow: 0 0 0 15px rgba(255, 255, 255, 0);
    }
    100% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(255, 255, 255, 0);
    }
}

.spinner-border {
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.1);
    animation: spinner-border 0.75s linear infinite, pulse-shadow 2s infinite;
}

.feather-bar-chart-2 {
    filter: drop-shadow(0 0 8px rgba(255, 255, 255, 0.4));
    animation: float 5s ease-in-out infinite;
}

@keyframes float {
    0% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-15px);
    }
    100% {
        transform: translateY(0px);
    }
}

.alert {
    background-color: var(--background-light);
    border-left: 4px solid var(--highlight-color);
    border-radius: 0;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.alert-danger {
    border-left-color: #ff5555;
}

.alert-success {
    border-left-color: #50fa7b;
}

@media (max-width: 768px) {
    .display-4 {
        font-size: 1.8rem;
    }

    .h1, h1 {
        font-size: 1.6rem;
    }

    .h2, h2 {
        font-size: 1.4rem;
    }

    .card::before {
        display: none;
    }
}