:root {
    --color-implementation: #00c853; /* Green */
    --color-improvement: #2962ff; /* Blue */
    --color-text: #333;
    --color-text-light: #666;
    --bg-color: #f4f6f8;
    --card-bg: #fff;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg-color);
    color: var(--color-text);
    margin: 0;
    padding: 20px;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
}

h1 {
    color: var(--color-text);
    margin-bottom: 40px;
}

/* Timeline Structure */
.timeline {
    position: relative;
    padding: 20px 0;
}

.timeline::before {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: 30%; /* Position line */
    width: 2px;
    background: #e0e0e0;
}

.month-separator {
    text-align: center;
    font-size: 1.5rem;
    font-weight: bold;
    margin: 40px 0;
    position: relative;
    z-index: 1;
    color: #333;
    clear: both;
}

.update-item {
    position: relative;
    margin-bottom: 40px;
    display: flex;
}

/* Left side: Date */
.update-date {
    width: 30%;
    padding-right: 40px;
    text-align: right;
    font-size: 0.9rem;
    color: var(--color-text-light);
    font-weight: 600;
    text-transform: uppercase;
    box-sizing: border-box;
    padding-top: 5px;
}

/* Center: Icon */
.update-icon {
    position: absolute;
    left: 30%;
    transform: translateX(-50%);
    width: 32px;
    height: 32px;
    border-radius: 50%;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2;
    box-shadow: 0 0 0 4px var(--bg-color);
}

.type-implementacao .update-icon {
    background-color: var(--color-implementation);
}

.type-melhoria .update-icon {
    background-color: var(--color-improvement);
}

/* Colored line segment connection */
.update-item::after {
    content: '';
    position: absolute;
    left: 30%;
    top: 32px;
    bottom: -40px; /* Extend to next item */
    width: 2px;
    transform: translateX(-50%);
    z-index: 0;
}

.type-implementacao::after {
    background-color: var(--color-implementation);
}

.type-melhoria::after {
    background-color: var(--color-improvement);
}

.update-item:last-child::after {
    display: none;
}


/* Right side: Content */
.update-content {
    width: 70%;
    padding-left: 40px;
    box-sizing: border-box;
}

.version-tag {
    font-weight: bold;
    font-size: 1.1rem;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--color-text-light);
}

.badge {
    font-size: 0.75rem;
    padding: 1px 6px;
    border-radius: 4px;
    border: 1px solid #2962ff;
    color: #2962ff;
    font-weight: 600;
    background-color: transparent;
    vertical-align: middle;
}

.update-list {
    list-style-type: disc;
    padding-left: 20px;
    color: var(--color-text-light);
    line-height: 1.6;
}

.update-list li {
    margin-bottom: 5px;
}

/* Admin Panel Styles */
.admin-form {
    background: var(--card-bg);
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
}

.form-control {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    box-sizing: border-box;
}

.btn {
    padding: 10px 20px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-weight: bold;
    text-transform: uppercase;
}

.btn-primary {
    background-color: var(--color-improvement);
    color: white;
}

.btn-success {
    background-color: var(--color-implementation);
    color: white;
}