:root {
    --bg-dark: #0d110d;
    --bg-panel: #151d15;
    --bg-input: #1f291f;
    --primary: #2eb82e;
    --primary-hover: #26a326;
    --text-main: #ffffff;
    --text-dim: #9eb19e;
    --border: #2a3b2a;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    font-family: 'Inter', sans-serif;
    margin: 0;
    display: flex;
    justify-content: center;
}

.container {
    display: grid;
    grid-template-columns: 300px 600px 350px;
    gap: 20px;
    max-width: 1300px;
    width: 100%;
    padding: 20px;
}

/* Sidebar & Nav */
.nav-menu a {
    display: block;
    padding: 12px;
    color: var(--text-main);
    text-decoration: none;
    font-weight: 600;
    border-radius: 8px;
    transition: 0.2s;
}

.nav-menu a:hover {
    background: var(--bg-panel);
    color: var(--primary);
}

/* Main Timeline */
.timeline {
    background: var(--bg-panel);
    border: 1px solid var(--border);
    border-radius: 12px;
    min-height: 100vh;
}

.timeline-header {
    padding: 15px;
    border-bottom: 1px solid var(--border);
    font-weight: bold;
    font-size: 1.2em;
    background: var(--bg-panel);
    position: sticky;
    top: 0;
    border-radius: 12px 12px 0 0;
}


.btn-relevant {
    background: var(--primary);
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 10px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(46, 184, 46, 0.2);
}

.btn-relevant:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(46, 184, 46, 0.4);
}

.btn-danger {
    background: rgba(255, 68, 68, 0.1);
    color: #ff4444;
    border: 1px solid #ff4444;
    padding: 10px;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
}

.btn-danger:hover {
    background: #ff4444;
    color: white;
}

input[type="text"], textarea {
    width: 100%;
    background: var(--bg-input);
    border: 1px solid var(--border);
    color: white;
    padding: 12px;
    border-radius: 10px;
    margin-top: 5px;
    outline: none;
}

input[type="text"]:focus {
    border-color: var(--primary);
}