/* Sidebar */
.sidebar {
    width: 280px;
    background-color: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    box-shadow: 2px 0 4px var(--shadow-light);
    display: flex;
    flex-direction: column;
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

.info_sidebar {
    padding: 2rem 1.5rem;
    text-align: center;
    border-bottom: 2px solid var(--accent-gold);
    background-color: var(--bg-tertiary);
    transition: background-color 0.3s ease;
}

.logo {
    width: 70px;
    height: 70px;
    margin-bottom: 1rem;
    cursor: pointer;
    transition: opacity 0.2s ease;
}

.logo:hover {
    opacity: 0.8;
}

.info_sidebar h1 {
    font-family: 'Poppins', sans-serif;
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    line-height: 1.3;
    transition: color 0.3s ease;
}

.container_sidebar {
    display: flex;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    overflow: hidden;
    background-color: var(--bg-secondary);
    transition: all 0.3s ease;
}

.container_sidebar input[type="text"] {
    flex: 1;
    padding: 10px 12px;
    border: none;
    font-size: 14px;
    outline: none;
    background-color: transparent;
    color: var(--text-primary);
    transition: color 0.3s ease;
}

.container_sidebar input[type="text"]::placeholder {
    color: var(--text-muted);
}

.container_sidebar input[type="text"]:focus {
    background-color: var(--bg-tertiary);
}

.container_sidebar input[type="submit"] {
    padding: 10px 10px;
    background-color: var(--accent-green);
    border: none;
    color: white;
    cursor: pointer;
    font-size: 14px;
    transition: background-color 0.2s ease;
}

.container_sidebar input[type="submit"]:hover {
    background-color: var(--accent-green-hover);
}

/* Menu */
.menu {
    flex: 1;
    padding: 1rem 0;
    overflow-y: auto;
    background-color: var(--bg-tertiary);
    transition: background-color 0.3s ease;
}

.menu-item {
    display: block;
    padding: 12px 20px;
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 15px;
    transition: all 0.2s ease;
    border-left: 3px solid transparent;
}

.menu-item:hover {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    border-left-color: var(--accent-gold);
}

.menu-item.is-active {
    background-color: var(--accent-gold);
    color: #fff;
    border-left-color: var(--accent-gold-hover);
    font-weight: 600;
}

.menu-item.admin-item {
    margin-top: 1rem;
    background-color: var(--accent-green);
    color: white;
    border-radius: 0;
}

.menu-item.admin-item:hover {
    background-color: var(--accent-green-hover);
}

/* Credit */
.credit {
    padding: 1rem;
    background-color: var(--accent-gold);
    border-top: 1px solid var(--accent-gold-hover);
    text-align: center;
    font-size: 13px;
    color: #2c3e50;
}

.credit .head {
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.credit a {
    color: #2c3e50;
    text-decoration: none;
    font-weight: 500;
}

.credit a:hover {
    text-decoration: underline;
}

/* Responsive design for sidebar */
@media (max-width: 768px) {
    .sidebar {
        position: fixed;
        top: 0;
        left: -280px;
        height: 100vh;
        z-index: 999;
        transition: left 0.3s ease;
        box-shadow: 2px 0 20px rgba(0,0,0,0.3);
    }

    .sidebar.is-active {
        left: 0;
    }
}

@media (max-width: 480px) {
    .info_sidebar {
        padding: 1.5rem 1rem;
    }

    .info_sidebar h1 {
        font-size: 1.2rem;
        margin-bottom: 1rem;
    }

    .logo {
        width: 60px;
        height: 60px;
        margin-bottom: 0.8rem;
    }

    .container_sidebar input[type="text"] {
        padding: 8px 10px;
        font-size: 13px;
    }

    .container_sidebar input[type="submit"] {
        padding: 8px 12px;
        font-size: 13px;
    }

    .menu-item {
        padding: 10px 16px;
        font-size: 14px;
    }

    .credit {
        padding: 0.8rem;
        font-size: 12px;
    }
}

/* Touch improvements for sidebar */
@media (hover: none) and (pointer: coarse) {
    .menu-item {
        padding: 14px 20px;
        font-size: 16px;
    }
}