:root {
    --neon-cyan: #00ffff;
    --neon-blue: #0080ff;
    --neon-purple: #8000ff;
    --dark-bg: #0a0e27;
    --darker-bg: #050812;
    --card-bg: #131829;
}

body {
    overflow: hidden;
    background: linear-gradient(135deg, var(--darker-bg) 0%, var(--dark-bg) 100%);
    position: relative;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 50%, rgba(0, 255, 255, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(128, 0, 255, 0.05) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
}

.intranet-header {
    background: linear-gradient(90deg, rgba(0, 128, 255, 0.1) 0%, rgba(128, 0, 255, 0.1) 100%);
    border-bottom: 2px solid rgba(0, 255, 255, 0.3);
    padding: 1rem 0;
    position: relative;
    z-index: 10;
    box-shadow: 0 4px 20px rgba(0, 255, 255, 0.2);
}

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

.intranet-title {
    font-family: 'Courier New', monospace;
    font-size: 2.5rem;
    font-weight: 900;
    margin: 0;
    letter-spacing: 0.3rem;
    text-transform: uppercase;
    color: var(--neon-cyan);
    text-shadow: 
        0 0 10px rgba(0, 255, 255, 0.8),
        0 0 20px rgba(0, 255, 255, 0.6),
        0 0 30px rgba(0, 128, 255, 0.4);
    animation: glow-pulse 3s ease-in-out infinite;
}

.header-decoration {
    position: absolute;
    right: 2rem;
    width: 100px;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--neon-cyan), transparent);
    animation: slide-decoration 2s ease-in-out infinite;
}

@keyframes glow-pulse {
    0%, 100% {
        filter: drop-shadow(0 0 10px rgba(0, 255, 255, 0.5));
    }
    50% {
        filter: drop-shadow(0 0 20px rgba(0, 255, 255, 0.8));
    }
}

@keyframes slide-decoration {
    0%, 100% {
        transform: translateX(-20px);
        opacity: 0.5;
    }
    50% {
        transform: translateX(20px);
        opacity: 1;
    }
}

.main-content {
    height: calc(100vh - 80px);
    position: relative;
    z-index: 1;
}

.tools-sidebar {
    background: linear-gradient(180deg, rgba(19, 24, 41, 0.95) 0%, rgba(10, 14, 39, 0.95) 100%);
    height: 100%;
    overflow-y: auto;
    border-right: 1px solid rgba(0, 255, 255, 0.2);
    box-shadow: 4px 0 20px rgba(0, 128, 255, 0.1);
    backdrop-filter: blur(10px);
}

.tools-sidebar::-webkit-scrollbar {
    width: 8px;
}

.tools-sidebar::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.3);
}

.tools-sidebar::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--neon-cyan), var(--neon-blue));
    border-radius: 4px;
}

.tools-sidebar h4,
.tools-sidebar h5 {
    color: var(--neon-cyan);
    text-transform: uppercase;
    letter-spacing: 0.1rem;
    font-weight: 600;
    text-shadow: 0 0 10px rgba(0, 255, 255, 0.5);
}

.canvas-area {
    height: 100%;
    padding: 0;
    position: relative;
    background: radial-gradient(ellipse at center, rgba(0, 128, 255, 0.03) 0%, transparent 70%);
}

#canvas2d {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-left: 1px solid rgba(0, 255, 255, 0.1);
}

#canvas3d {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: none;
    border-left: 1px solid rgba(0, 255, 255, 0.1);
}

.btn-secondary {
    background: linear-gradient(135deg, rgba(0, 128, 255, 0.3), rgba(0, 255, 255, 0.2));
    border: 1px solid rgba(0, 255, 255, 0.4);
    color: var(--neon-cyan);
    font-weight: 600;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.05rem;
}

.btn-secondary:hover {
    background: linear-gradient(135deg, rgba(0, 128, 255, 0.5), rgba(0, 255, 255, 0.4));
    border-color: var(--neon-cyan);
    box-shadow: 0 0 15px rgba(0, 255, 255, 0.4);
    transform: translateY(-2px);
}

.btn-outline-secondary {
    border: 1px solid rgba(0, 255, 255, 0.3);
    color: rgba(0, 255, 255, 0.8);
    background: rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
}

.btn-outline-secondary:hover {
    background: rgba(0, 128, 255, 0.2);
    border-color: var(--neon-cyan);
    color: var(--neon-cyan);
    box-shadow: 0 0 10px rgba(0, 255, 255, 0.3);
}

.btn-outline-secondary.active {
    background: linear-gradient(135deg, rgba(0, 128, 255, 0.4), rgba(0, 255, 255, 0.3));
    border-color: var(--neon-cyan);
    color: white;
    box-shadow: 0 0 15px rgba(0, 255, 255, 0.5);
}

.form-range {
    accent-color: var(--neon-cyan);
}

.form-range::-webkit-slider-thumb {
    background: linear-gradient(135deg, var(--neon-cyan), var(--neon-blue));
    box-shadow: 0 0 10px rgba(0, 255, 255, 0.5);
}

.form-control-color {
    border: 2px solid rgba(0, 255, 255, 0.3);
    background: rgba(0, 0, 0, 0.3);
}

.form-control-color:focus {
    border-color: var(--neon-cyan);
    box-shadow: 0 0 10px rgba(0, 255, 255, 0.4);
}

label {
    color: rgba(0, 255, 255, 0.9);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05rem;
    font-weight: 500;
}

.mailing-list-container {
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(0, 255, 255, 0.2);
}

.mailing-list-description {
    color: rgba(0, 255, 255, 0.7);
    font-size: 0.85rem;
    margin-bottom: 1rem;
}

.mailing-list-form .form-control {
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid rgba(0, 255, 255, 0.3);
    color: rgba(0, 255, 255, 0.9);
    transition: all 0.3s ease;
}

.mailing-list-form .form-control:focus {
    background: rgba(0, 0, 0, 0.5);
    border-color: var(--neon-cyan);
    box-shadow: 0 0 10px rgba(0, 255, 255, 0.4);
    color: var(--neon-cyan);
}

.mailing-list-form .form-control::placeholder {
    color: rgba(0, 255, 255, 0.4);
}

.mailing-list-form .btn-primary {
    background: linear-gradient(135deg, rgba(0, 128, 255, 0.5), rgba(0, 255, 255, 0.4));
    border: 1px solid var(--neon-cyan);
    color: white;
    font-weight: 600;
    transition: all 0.3s ease;
}

.mailing-list-form .btn-primary:hover {
    background: linear-gradient(135deg, rgba(0, 128, 255, 0.7), rgba(0, 255, 255, 0.6));
    box-shadow: 0 0 15px rgba(0, 255, 255, 0.5);
    transform: translateY(-1px);
}

.alert {
    font-size: 0.85rem;
    margin-bottom: 1rem;
    border-radius: 4px;
}

.alert-success {
    background: rgba(0, 255, 128, 0.2);
    border: 1px solid rgba(0, 255, 128, 0.4);
    color: rgba(0, 255, 128, 0.9);
}

.alert-info {
    background: rgba(0, 191, 255, 0.2);
    border: 1px solid rgba(0, 191, 255, 0.4);
    color: rgba(0, 191, 255, 0.9);
}

.alert-danger {
    background: rgba(255, 64, 129, 0.2);
    border: 1px solid rgba(255, 64, 129, 0.4);
    color: rgba(255, 64, 129, 0.9);
}

.flyer-container {
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(0, 255, 255, 0.2);
}

.flyer-wrapper {
    position: relative;
    border: 2px solid rgba(0, 255, 255, 0.3);
    border-radius: 8px;
    overflow: hidden;
    background: rgba(0, 0, 0, 0.3);
    box-shadow: 0 4px 20px rgba(0, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.flyer-wrapper:hover {
    border-color: var(--neon-cyan);
    box-shadow: 0 6px 30px rgba(0, 255, 255, 0.4);
    transform: translateY(-2px);
}

.event-flyer {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.3s ease;
}

.flyer-wrapper:hover .event-flyer {
    transform: scale(1.02);
}

.row.h-100 {
    margin: 0;
}

.row.h-100 > * {
    padding-left: 0;
    padding-right: 0;
}